/* ===========================
   COMPONENT STYLES
   =========================== */

/* Font Awesome Icon Spacing */
.fa-solid, .fa-regular, .fa-brands {
    margin-right: 0.5rem;
}

/* Remove margin when icon is at the end or standalone */
.fa-solid:last-child, 
.fa-regular:last-child, 
.fa-brands:last-child {
    margin-right: 0;
}

/* Icon size adjustments */
h1 .fa-solid, h1 .fa-regular {
    margin-right: 0.75rem;
    font-size: 0.9em;
}

h2 .fa-solid, h2 .fa-regular {
    margin-right: 0.5rem;
}

h3 .fa-solid, h3 .fa-regular {
    margin-right: 0.5rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: var(--desktop-card-padding, 22px) var(--desktop-card-padding, 24px);
    margin-bottom: 18px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.card h2 {
    margin-bottom: 14px;
    color: var(--text-color);
    font-size: var(--desktop-h2, 1.3em);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.card h3 {
    margin-bottom: 10px;
    color: var(--text-color);
    font-size: 1.1em;
    font-weight: 600;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    font-family: inherit;
    transition: border-color 0.3s;
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* Dark mode form inputs */
body.dark-mode input[type="text"],
body.dark-mode input[type="number"],
body.dark-mode input[type="date"],
body.dark-mode textarea,
body.dark-mode select {
    background-color: #0f172a;
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode input[type="text"]::placeholder,
body.dark-mode input[type="number"]::placeholder,
body.dark-mode textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea {
    resize: vertical;
    min-height: 120px;
    font-family: 'Courier New', monospace;
}

input[type="checkbox"] {
    cursor: pointer;
}

/* Buttons */
button {
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

button:hover:not(:disabled)::before {
    opacity: 1;
}

button:hover:not(:disabled) {
    filter: brightness(1.08);
}

button:active:not(:disabled) {
    transform: scale(0.98);
}

/* Icons in buttons don't need extra margin */
button .fa-solid, 
button .fa-regular, 
button .fa-brands {
    margin-right: 0;
    transition: transform 0.2s ease;
}

button:hover:not(:disabled) .fa-solid,
button:hover:not(:disabled) .fa-regular,
button:hover:not(:disabled) .fa-brands {
    transform: scale(1.1);
}

.btn-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #6366f1 50%, #818cf8 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3),
                0 2px 6px rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #4338ca 0%, #4f46e5 50%, #6366f1 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.45),
                0 4px 10px rgba(79, 70, 229, 0.3);
    filter: brightness(1.05);
}

.btn-primary:focus-visible {
    outline: 3px solid rgba(79, 70, 229, 0.5);
    outline-offset: 2px;
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(5, 150, 105, 0.4);
    filter: brightness(1.05);
}

.btn-success:focus-visible {
    outline: 3px solid rgba(16, 185, 129, 0.5);
    outline-offset: 2px;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 38, 38, 0.4);
    filter: brightness(1.05);
}

.btn-danger:focus-visible {
    outline: 3px solid rgba(239, 68, 68, 0.5);
    outline-offset: 2px;
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(100, 116, 139, 0.25);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, #475569 0%, #334155 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(71, 85, 105, 0.4);
    filter: brightness(1.1);
}

.btn-secondary:focus-visible {
    outline: 3px solid rgba(100, 116, 139, 0.5);
    outline-offset: 2px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.875em;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.02em;
    gap: 6px;
}

.btn-small:hover:not(:disabled) {
    transform: translateY(-1px);
}

.btn-small .fa-solid,
.btn-small .fa-regular {
    font-size: 0.95em;
}

.button-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* Desktop: keep button rows tight */
@media (min-width: 1025px) {
    .button-group {
        gap: 10px;
    }
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--card-bg);
    padding: 16px 18px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.stat-card.danger {
    border-left-color: var(--danger-color);
}

.stat-card.success {
    border-left-color: var(--success-color);
}

.stat-label {
    font-size: var(--desktop-label, 0.8125em);
    color: var(--text-secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.stat-value {
    font-size: 1.875em;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.1;
}

/* Badges */
.alert-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85em;
    font-weight: 600;
}

.alert-badge.danger {
    background-color: #fee2e2;
    color: var(--danger-color);
}

.alert-badge.warning {
    background-color: #fef3c7;
    color: #d97706;
}

.alert-badge.success {
    background-color: #dcfce7;
    color: var(--success-color);
}

/* Dark mode badges */
body.dark-mode .alert-badge.danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

body.dark-mode .alert-badge.warning {
    background-color: rgba(251, 191, 36, 0.2);
    color: #fcd34d;
}

body.dark-mode .alert-badge.success {
    background-color: rgba(34, 197, 94, 0.2);
    color: #86efac;
}

/* ===========================
   GENERIC BADGE STYLES
   =========================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
}

.badge-success {
    background-color: #dcfce7;
    color: #16a34a;
}

.badge-warning {
    background-color: #fef3c7;
    color: #d97706;
}

.badge-danger {
    background-color: #fee2e2;
    color: #dc2626;
}

.badge-secondary {
    background-color: #f1f5f9;
    color: #64748b;
}

.badge-info {
    background-color: #dbeafe;
    color: #2563eb;
}

/* Dark mode generic badges */
body.dark-mode .badge-success {
    background-color: rgba(34, 197, 94, 0.2);
    color: #86efac;
}

body.dark-mode .badge-warning {
    background-color: rgba(251, 191, 36, 0.2);
    color: #fcd34d;
}

body.dark-mode .badge-danger {
    background-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

body.dark-mode .badge-secondary {
    background-color: rgba(100, 116, 139, 0.2);
    color: #94a3b8;
}

body.dark-mode .badge-info {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
}

/* ===========================
   CLOUD SYNC STYLES
   =========================== */
.cloud-sync-status {
    padding: 15px;
    background: var(--card-bg-secondary, #f8fafc);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

body.dark-mode .cloud-sync-status {
    background: rgba(15, 23, 42, 0.5);
}

.sync-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
}

.sync-status-item {
    padding: 10px;
    background: var(--card-bg);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Checkbox label styling for cloud sync settings */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Provider settings card styling */
.provider-settings {
    transition: all 0.3s ease;
}

.provider-settings h4 {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Alert styles for cloud sync */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert-warning {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    color: #92400e;
}

body.dark-mode .alert-warning {
    background-color: rgba(251, 191, 36, 0.15);
    border-color: rgba(251, 191, 36, 0.4);
    color: #fcd34d;
}

.alert i {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Info background for auto-sync indicator */
:root {
    --info-bg: #dbeafe;
}

body.dark-mode {
    --info-bg: rgba(59, 130, 246, 0.15);
}

/* ===========================
   SYNC LOG STYLES
   =========================== */
.sync-log-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-bg-secondary);
    overflow: hidden;
}

.sync-log-entry {
    transition: background-color 0.2s ease;
}

.sync-log-entry:hover {
    background-color: var(--card-bg);
}

.sync-log-entry:last-child {
    border-bottom: none !important;
}

body.dark-mode .sync-log-container {
    background: rgba(15, 23, 42, 0.5);
}

/* Sync status item styling enhancements */
.sync-status-item {
    padding: 12px;
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

.sync-status-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

body.dark-mode .sync-status-item {
    background: rgba(30, 41, 59, 0.5);
}

/* ===========================
   STORAGE TYPE BADGES - ENHANCED
   =========================== */
.storage-type-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    background-color: var(--bg-color);
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.8em;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    min-width: 55px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.2s ease;
}

.storage-type-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

/* MKT - Market/Sales floor */
.storage-type-badge.mkt {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1e40af;
    border: 1px solid rgba(30, 64, 175, 0.2);
    box-shadow: 0 2px 4px rgba(30, 64, 175, 0.15);
}

.storage-type-badge.mkt:hover {
    box-shadow: 0 4px 8px rgba(30, 64, 175, 0.2);
}

/* RES - Reserve/Warehouse */
.storage-type-badge.res {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    border: 1px solid rgba(146, 64, 14, 0.2);
    box-shadow: 0 2px 4px rgba(146, 64, 14, 0.15);
}

.storage-type-badge.res:hover {
    box-shadow: 0 4px 8px rgba(146, 64, 14, 0.2);
}

/* GNG - Gangway/Aisle */
.storage-type-badge.gng {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 1px solid rgba(6, 95, 70, 0.2);
    box-shadow: 0 2px 4px rgba(6, 95, 70, 0.15);
}

.storage-type-badge.gng:hover {
    box-shadow: 0 4px 8px rgba(6, 95, 70, 0.2);
}

/* LAG - Warehouse storage type */
.storage-type-badge.lag {
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    color: #3730a3;
    border: 1px solid rgba(55, 48, 163, 0.2);
    box-shadow: 0 2px 4px rgba(55, 48, 163, 0.15);
}

.storage-type-badge.lag:hover {
    box-shadow: 0 4px 8px rgba(55, 48, 163, 0.2);
}

/* 916 - Zustellung (Delivery) storage type */
.storage-type-badge.\39 16 {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    color: #6b21a8;
    border: 1px solid rgba(107, 33, 168, 0.25);
    box-shadow: 0 2px 4px rgba(107, 33, 168, 0.15);
}

.storage-type-badge.\39 16:hover {
    box-shadow: 0 4px 8px rgba(107, 33, 168, 0.2);
}

/* Alternative class for 916 without escape sequence */
.storage-type-badge.zustellung {
    background: linear-gradient(135deg, #f3e8ff 0%, #e9d5ff 100%);
    color: #6b21a8;
    border: 1px solid rgba(107, 33, 168, 0.25);
    box-shadow: 0 2px 4px rgba(107, 33, 168, 0.15);
}

.storage-type-badge.zustellung:hover {
    box-shadow: 0 4px 8px rgba(107, 33, 168, 0.2);
}

/* Dark mode storage type badges - Enhanced */
body.dark-mode .storage-type-badge {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

body.dark-mode .storage-type-badge.mkt {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(59, 130, 246, 0.15) 100%);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

body.dark-mode .storage-type-badge.res {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.25) 0%, rgba(251, 191, 36, 0.15) 100%);
    color: #fcd34d;
    border: 1px solid rgba(251, 191, 36, 0.4);
}

body.dark-mode .storage-type-badge.gng {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.25) 0%, rgba(34, 197, 94, 0.15) 100%);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.4);
}

/* Dark mode LAG - Warehouse storage type */
body.dark-mode .storage-type-badge.lag {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.25) 0%, rgba(99, 102, 241, 0.15) 100%);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.4);
}

/* Dark mode 916 - Zustellung (Delivery) storage type */
body.dark-mode .storage-type-badge.\39 16 {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.25) 0%, rgba(168, 85, 247, 0.15) 100%);
    color: #d8b4fe;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

body.dark-mode .storage-type-badge.zustellung {
    background-color: rgba(168, 85, 247, 0.2);
    color: #d8b4fe;
    border: 1px solid rgba(168, 85, 247, 0.4);
}

/* Promotional Styles */
.promo-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fef9e7 100%);
    border: 2px solid #fbbf24;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
}

/* Dark mode promo section */
body.dark-mode .promo-section {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-color: rgba(251, 191, 36, 0.4);
}

.promo-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 700;
    margin-left: 8px;
    box-shadow: 0 2px 4px rgba(251, 191, 36, 0.3);
    animation: promoPulse 2s ease-in-out infinite;
}

@keyframes promoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.promo-status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85em;
    font-weight: 600;
    text-align: center;
}

.promo-status-badge.active {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    box-shadow: 0 2px 4px rgba(251, 191, 36, 0.3);
}

.promo-status-badge.inactive {
    background: var(--bg-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.promo-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--warning-color);
}

/* Capacity Display - Enhanced */
.capacity-display {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.9em;
    min-width: 50px;
}

.capacity-display.has-capacity {
    color: #059669;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.capacity-display.no-capacity {
    color: var(--text-secondary);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    font-weight: 500;
}

.capacity-display.promo-active {
    color: #d97706;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15) 0%, rgba(245, 158, 11, 0.08) 100%);
    border: 1px solid rgba(251, 191, 36, 0.3);
    font-weight: 700;
}

/* Dark mode capacity display */
body.dark-mode .capacity-display.has-capacity {
    color: #34d399;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-color: rgba(16, 185, 129, 0.3);
}

body.dark-mode .capacity-display.promo-active {
    color: #fbbf24;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2) 0%, rgba(245, 158, 11, 0.1) 100%);
    border-color: rgba(251, 191, 36, 0.4);
}

/* Quick Add Button - Enhanced */
.quick-add-btn {
    padding: 8px 16px;
    font-size: 0.875em;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.2);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.quick-add-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.quick-add-btn:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(5, 150, 105, 0.35);
    filter: brightness(1.05);
}

.quick-add-btn:hover::before {
    opacity: 1;
}

.quick-add-btn:active {
    transform: scale(0.98);
}

.quick-add-btn:disabled {
    background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    cursor: not-allowed;
    opacity: 0.6;
    box-shadow: none;
}

.quick-add-btn:disabled:hover {
    transform: none;
}

.quick-add-btn .fa-solid,
.quick-add-btn .fa-regular {
    transition: transform 0.2s ease;
}

.quick-add-btn:hover:not(:disabled) .fa-solid,
.quick-add-btn:hover:not(:disabled) .fa-regular {
    transform: scale(1.1);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3em;
    margin-bottom: 10px;
    opacity: 0.5;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

.toast {
    background: var(--card-bg);
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
    border-left: 4px solid var(--primary-color);
    color: var(--text-color);
}

/* Dark mode toast */
body.dark-mode .toast {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.toast.success {
    border-left-color: var(--success-color);
}

.toast.error {
    border-left-color: var(--danger-color);
}

.toast.warning {
    border-left-color: var(--warning-color);
}

.toast-icon {
    font-size: 1.5em;
    flex-shrink: 0;
}

.toast-content {
    flex-grow: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.toast-message {
    font-size: 0.9em;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-close:hover {
    color: var(--text-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.toast.hiding {
    animation: slideOut 0.3s ease-in forwards;
}

/* Upload Section */
.upload-section {
    margin-bottom: 20px;
}

.upload-methods {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 20px;
}

.upload-box {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 28px 20px;
    text-align: center;
    background: var(--bg-color);
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-box:hover {
    border-color: var(--primary-color);
    background: var(--card-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.upload-box.drag-over {
    border-color: var(--primary-color);
    background: var(--card-bg);
    border-style: solid;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
}

/* Dark mode upload box */
body.dark-mode .upload-box:hover,
body.dark-mode .upload-box.drag-over {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.upload-box.paste-box {
    border-style: dashed;
}

.upload-box-content {
    width: 100%;
}

.upload-icon {
    font-size: 3em;
    margin-bottom: 12px;
    opacity: 0.6;
}

.upload-title {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
    text-align: center !important;
    display: block !important;
}

.upload-description {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 1em;
}

.upload-description-or {
    color: var(--text-secondary);
    margin: 15px 0;
    font-weight: 600;
    font-size: 0.9em;
}

.upload-hint {
    color: var(--text-secondary);
    font-size: 0.85em;
    margin-top: 10px;
}

.upload-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1.1em;
}

.upload-divider span {
    background: var(--card-bg);
    padding: 10px 20px;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    z-index: 1;
}

/* ===========================
   NEW FEATURE STYLES
   =========================== */

/* Filter Controls */
#filterControls {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
}

#resultsFilterControls {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
}

#resultsFilterControls select {
    padding: 8px 12px;
    font-size: 0.95em;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Dark mode select */
body.dark-mode #resultsFilterControls select {
    background: #0f172a;
}

#resultsFilterControls select:hover {
    border-color: var(--primary-color);
}

#resultsFilterControls select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#filterControls .form-group {
    margin-bottom: 15px;
}

#filterControls label {
    font-size: 0.9em;
    margin-bottom: 5px;
}

#filterControls input,
#filterControls select {
    padding: 8px 12px;
    font-size: 0.9em;
}

/* ===========================
   UNDO ACTIONS REDESIGN
   =========================== */

.undo-actions-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-secondary) 100%);
    border: 2px solid var(--border-color);
}

.undo-action-buttons {
    display: flex;
    gap: 10px;
}

.btn-undo,
.btn-redo {
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-undo:not(:disabled):hover,
.btn-redo:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-undo:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

.btn-redo:not(:disabled) {
    background: var(--success-color);
    color: white;
}

.btn-disabled {
    cursor: not-allowed !important;
    background: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

.undo-history-container {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.undo-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.status-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-item i {
    color: var(--primary-color);
    font-size: 1.2em;
}

.status-text {
    font-weight: 500;
    color: var(--text-color);
}

.history-count {
    display: flex;
    align-items: baseline;
    gap: 5px;
    font-weight: 600;
}

.history-count span:first-child {
    font-size: 1.5em;
}

.undo-history-list {
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.history-item:last-child {
    border-bottom: none;
}

.history-item:hover {
    background: var(--bg-secondary);
}

.history-item.current {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0.05) 100%);
    border-left: 4px solid var(--primary-color);
}

.history-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 50%;
    flex-shrink: 0;
}

.history-item.current .history-icon {
    background: var(--primary-color);
    color: white;
}

.history-icon i {
    font-size: 1.1em;
}

.history-content {
    flex: 1;
    min-width: 0;
}

.history-description {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-time {
    font-size: 0.85em;
    color: var(--text-secondary);
}

.history-badge {
    background: var(--success-color);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    text-align: center;
}

.history-empty i {
    font-size: 3em;
    margin-bottom: 10px;
    opacity: 0.5;
}

.history-empty span {
    font-size: 0.95em;
}

/* Scrollbar styling for history list */
.undo-history-list::-webkit-scrollbar {
    width: 8px;
}

.undo-history-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

.undo-history-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.undo-history-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Responsive adjustments for undo actions */
@media (max-width: 768px) {
    .undo-action-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-undo,
    .btn-redo {
        width: 100%;
    }
    
    .undo-status-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .history-item {
        padding: 12px 15px;
    }
    
    .history-icon {
        width: 35px;
        height: 35px;
    }
}

/* ===========================
   END UNDO ACTIONS REDESIGN
   =========================== */

/* Bulk Import/Export Section */
.bulk-section {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-secondary) 100%);
    border-radius: 12px;
    padding: 20px;
    border: 2px solid var(--border-color);
}

.bulk-section h2 {
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Button Styles */
.btn-bulk {
    position: relative;
    overflow: hidden;
    padding: 15px 25px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-bulk::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transition: width 0.4s, height 0.4s, top 0.4s, left 0.4s;
    transform: translate(-50%, -50%);
}

.btn-bulk:hover::before {
    width: 300px;
    height: 300px;
}

/* Material Group Badges */
.group-badge {
    display: inline-block;
    padding: 4px 8px;
    background: var(--primary-color);
    color: white;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 500;
    margin-right: 5px;
}

.group-badge.ungrouped {
    background: var(--text-secondary);
}

/* Filter Status Indicator */
.filter-active {
    position: relative;
}

.filter-active::after {
    content: '●';
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--warning-color);
    color: white;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    font-size: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Enhanced Promo Status Badges */
.promo-status-badge {
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.85em;
    font-weight: 500;
    display: inline-block;
    text-align: center;
    min-width: 80px;
}

.promo-status-badge.active {
    background: linear-gradient(135deg, var(--warning-color), #ff8c00);
    color: white;
    animation: pulse 2s infinite;
}

.promo-status-badge.inactive {
    background: var(--border-color);
    color: var(--text-secondary);
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Action History Display */
#undoStatus {
    background: var(--bg-secondary);
    padding: 8px 12px;
    border-radius: 6px;
    border-left: 3px solid var(--info-color);
    min-width: 200px;
}

/* CSV Import/Export Indicators */
.import-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: none;
    text-align: center;
}

.import-indicator.show {
    display: block;
    animation: fadeInScale 0.3s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ===========================
   FLOATING ACTION BUTTON (FAB)
   =========================== */

.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4), 0 2px 6px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow: hidden;
}

.fab::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: width 0.4s, height 0.4s, top 0.4s, left 0.4s;
    transform: translate(-50%, -50%);
}

.fab:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.5), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.fab:hover::before {
    width: 100px;
    height: 100px;
}

.fab:active {
    transform: translateY(-2px) scale(1);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4), 0 2px 6px rgba(0, 0, 0, 0.2);
}

.fab .fa-solid {
    margin-right: 0;
    z-index: 1;
    position: relative;
}

/* FAB Animation on page load */
@keyframes fabEnter {
    from {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    to {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.fab {
    animation: fabEnter 0.5s cubic-bezier(0.4, 0, 0.2, 1) 0.3s backwards;
}

/* Dark mode FAB */
body.dark-mode .fab {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
}

body.dark-mode .fab:hover {
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.6), 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* High contrast FAB */
body.high-contrast .fab {
    background: #0000ff !important;
    border: 3px solid #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 0, 255, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);
}

body.high-contrast .fab:hover {
    background: #0000cc !important;
    border-color: #ffff00 !important;
    box-shadow: 0 8px 20px rgba(255, 255, 0, 0.8), 0 4px 12px rgba(0, 0, 0, 0.7);
}

/* Hide FAB on non-materials tabs */
#checkTab:not(.active) ~ .fab,
#archiveTab:not(.active) ~ .fab {
    display: none;
}

/* Only show FAB on materials tab */
.fab {
    display: none;
}

#materialsTab.active ~ .fab,
#materialsTab .fab {
    display: flex;
}

/* Responsive FAB adjustments */
@media (max-width: 768px) {
    .fab {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 1.3em;
    }
}

@media (max-width: 480px) {
    .fab {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
        font-size: 1.2em;
    }
}

/* ===========================
   END FLOATING ACTION BUTTON
   =========================== */

/* ===========================
   COMPREHENSIVE RESPONSIVE DESIGN
   =========================== */

/* Tablet Breakpoint (768px - 1024px) */
@media (max-width: 1024px) {
    /* Forms */
    .form-group {
        margin-bottom: 18px;
    }

    input[type="text"],
    input[type="number"],
    input[type="date"],
    textarea,
    select {
        padding: 10px;
        font-size: 0.95em;
    }

    /* Buttons */
    button {
        padding: 10px 20px;
        font-size: 0.95em;
    }

    .button-group {
        gap: 8px;
    }

    /* Upload Section */
    .upload-methods {
        grid-template-columns: 1fr auto 1fr;
        gap: 20px;
    }

    .upload-box {
        min-height: 240px;
        padding: 35px 18px;
    }

    .upload-icon {
        font-size: 3.5em;
    }

    .upload-title {
        font-size: 1.2em;
    }

    /* Stats Grid */
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    /* Settings */
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile Breakpoint (max-width: 768px) */
@media (max-width: 768px) {
    /* Form Controls Mobile */
    .form-group {
        margin-bottom: 16px;
    }

    label {
        font-size: 0.95em;
        margin-bottom: 6px;
    }

    input[type="text"],
    input[type="number"],
    input[type="date"],
    textarea,
    select {
        padding: 12px;
        font-size: 16px; /* Prevents zoom on iOS */
        border-radius: 6px;
    }

    textarea {
        min-height: 100px;
    }

    /* Buttons Mobile */
    button {
        padding: 12px 20px;
        font-size: 0.95em;
        border-radius: 6px;
        min-height: 44px; /* Touch-friendly */
    }

    .btn-small {
        padding: 8px 14px;
        font-size: 0.85em;
        min-height: 38px;
    }

    .button-group {
        gap: 8px;
        flex-direction: column;
    }

    .button-group button {
        width: 100%;
    }

    /* Upload Section Mobile */
    .upload-methods {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .upload-divider {
        display: none;
    }

    .upload-box {
        min-height: 200px;
        padding: 30px 15px;
        border-width: 2px;
    }

    .upload-icon {
        font-size: 3em;
        margin-bottom: 12px;
    }

    .upload-title {
        font-size: 1.1em;
    }

    .upload-description {
        font-size: 0.9em;
    }

    .upload-hint {
        font-size: 0.8em;
    }

    /* Stats Mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-card {
        padding: 15px;
    }

    .stat-label {
        font-size: 0.8em;
    }

    .stat-value {
        font-size: 1.6em;
    }

    /* Badges Mobile */
    .alert-badge {
        padding: 3px 10px;
        font-size: 0.8em;
    }

    .storage-type-badge {
        padding: 3px 8px;
        font-size: 0.85em;
    }

    /* Promo Section Mobile */
    .promo-section {
        padding: 15px;
        margin: 15px 0;
    }

    .promo-badge {
        font-size: 0.75em;
        padding: 3px 8px;
    }

    /* Quick Add Button Mobile */
    .quick-add-btn {
        padding: 10px 14px;
        font-size: 0.875em;
        min-height: 40px;
    }

    /* Toast Mobile - Already in main.css */

    /* Filter Controls Mobile */
    #filterControls,
    #resultsFilterControls {
        padding: 12px;
    }

    #filterControls .form-group {
        margin-bottom: 12px;
    }

    #filterControls input,
    #filterControls select,
    #resultsFilterControls select {
        font-size: 16px; /* Prevents zoom */
    }

    /* Undo Actions Mobile */
    .undo-action-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .btn-undo,
    .btn-redo {
        width: 100%;
        padding: 12px 18px;
    }
    
    .undo-status-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 12px 15px;
    }
    
    .history-item {
        padding: 12px 15px;
    }
    
    .history-icon {
        width: 35px;
        height: 35px;
        font-size: 1em;
    }

    .history-description {
        font-size: 0.95em;
    }

    .history-time {
        font-size: 0.8em;
    }

    /* Bulk Section Mobile */
    .bulk-section {
        padding: 15px;
    }

    .btn-bulk {
        width: 100%;
        margin-bottom: 10px;
        padding: 12px 20px;
    }

    /* Settings Mobile */
    .settings-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .settings-section .form-group {
        margin-bottom: 15px;
        padding: 12px;
    }

    #storageTypesSettings .form-group {
        padding: 15px;
    }

    /* Filter Panel Mobile */
    .filter-panel {
        padding: 15px;
    }

    .filter-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .filter-actions {
        flex-direction: column;
        gap: 8px;
    }

    .filter-actions button {
        width: 100%;
    }

    /* Comparison Panel Mobile */
    .comparison-panel {
        padding: 12px;
    }

    .comparison-info {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .report-comparison-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }

    .report-summary,
    .differences-analysis {
        padding: 15px;
    }

    .diff-section {
        padding: 12px;
        margin-bottom: 15px;
    }

    /* FAB Mobile - Already defined in components.css */
    .fab {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
        font-size: 1.3em;
    }

    /* Bulk Actions Toolbar Mobile */
    .bulk-actions-toolbar {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
        align-items: stretch;
    }
    
    .bulk-actions-info {
        justify-content: center;
        font-size: 0.95rem;
    }
    
    .bulk-actions-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .bulk-actions-buttons .btn-small {
        width: 100%;
        justify-content: center;
        padding: 12px 18px;
    }

    /* Empty State Mobile */
    .empty-state {
        padding: 30px 15px;
    }

    .empty-state-icon {
        font-size: 2.5em;
    }

    /* Storage Stat Mobile */
    .storage-stat {
        padding: 12px;
    }

    .storage-stat-value {
        font-size: 1.3em;
    }

    /* Group Card Mobile */
    .group-card {
        padding: 15px;
        margin-bottom: 12px;
    }
}

/* Small Mobile Breakpoint (max-width: 480px) */
@media (max-width: 480px) {
    /* Compact Forms */
    .form-group {
        margin-bottom: 14px;
    }

    label {
        font-size: 0.9em;
    }

    input[type="text"],
    input[type="number"],
    input[type="date"],
    textarea,
    select {
        padding: 10px;
    }

    /* Compact Buttons */
    button {
        padding: 10px 16px;
        font-size: 0.9em;
    }

    .btn-small {
        padding: 6px 12px;
        font-size: 0.8em;
        min-height: 36px;
    }

    /* Upload Compact */
    .upload-box {
        min-height: 180px;
        padding: 25px 12px;
    }

    .upload-icon {
        font-size: 2.5em;
        margin-bottom: 10px;
    }

    .upload-title {
        font-size: 1em;
    }

    .upload-description {
        font-size: 0.85em;
    }

    /* Stats Single Column */
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: 12px;
    }

    .stat-value {
        font-size: 1.4em;
    }

    /* Badges Compact */
    .alert-badge,
    .storage-type-badge {
        padding: 2px 8px;
        font-size: 0.75em;
    }

    /* FAB Compact */
    .fab {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
        font-size: 1.2em;
    }

    /* Bulk Actions Compact */
    .bulk-actions-toolbar {
        padding: 12px;
        border-radius: 8px;
    }
    
    .bulk-actions-info {
        font-size: 0.9rem;
        gap: 8px;
    }
    
    .bulk-actions-info::before {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    
    .bulk-actions-info span {
        min-width: 28px;
        height: 24px;
        font-size: 0.85rem;
    }
    
    .bulk-actions-buttons .btn-small {
        font-size: 0.85rem;
        padding: 10px 16px;
    }

    /* Undo Actions Compact */
    .undo-history-list {
        max-height: 250px;
    }

    .history-icon {
        width: 32px;
        height: 32px;
    }

    .history-badge {
        font-size: 0.7em;
        padding: 3px 8px;
    }

    /* Filter Compact */
    .filter-panel,
    .comparison-panel {
        padding: 10px;
    }

    .report-summary {
        padding: 12px;
    }

    .diff-section {
        padding: 10px;
    }

    /* Storage Stat Compact */
    .storage-stat {
        padding: 10px;
    }

    .storage-stat-value {
        font-size: 1.2em;
    }
}

/* Touch-friendly improvements for components */
@media (hover: none) and (pointer: coarse) {
    /* Increase all interactive elements */
    button,
    .btn-small,
    .quick-add-btn,
    .tab,
    input[type="checkbox"],
    input[type="radio"],
    select {
        min-height: 44px;
    }

    /* Upload boxes larger tap area */
    .upload-box {
        min-height: 220px;
    }

    /* Larger checkboxes */
    .material-select-checkbox,
    #selectAllMaterials,
    .promo-checkbox {
        width: 22px;
        height: 22px;
    }

    /* Toast close button larger */
    .toast-close {
        width: 32px;
        height: 32px;
        font-size: 1.4em;
    }

    /* Remove hover effects */
    .btn-primary:hover,
    .btn-success:hover,
    .btn-danger:hover,
    .btn-secondary:hover {
        transform: none;
    }

    .upload-box:hover {
        transform: none;
    }

    .quick-add-btn:hover {
        transform: none;
    }
}

/* Landscape orientation optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .upload-methods {
        grid-template-columns: 1fr 1fr;
    }

    .upload-divider {
        display: none;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .undo-history-list {
        max-height: 200px;
    }
}

/* ===========================
   SETTINGS STYLES
   =========================== */

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 15px;
}

.settings-section {
    margin-top: 15px;
}

.settings-section .form-group {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.settings-section .form-group:hover {
    background: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* Toggle switches for checkboxes */
.settings-section input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.settings-section label {
    font-weight: 500;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.settings-section label:hover {
    color: var(--primary-color);
}

/* Storage type settings */
#storageTypesSettings .form-group {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

#storageTypesSettings .form-group:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#storageTypesSettings input[type="number"] {
    margin-top: 8px;
    transition: opacity 0.3s ease;
}

#storageTypesSettings input[type="number"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Settings card headers */
.card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-color);
}

/* Settings validation */
.form-group.error input {
    border-color: var(--error-color);
    box-shadow: 0 0 0 2px rgba(255, 99, 132, 0.2);
}

.form-group.error small {
    color: var(--error-color);
    font-weight: 500;
}

/* Enhanced Archive Features */
.filter-panel {
    background: var(--background-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 5px;
}

.filter-group input {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9em;
    transition: border-color 0.3s;
}

.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(var(--primary-color-rgb), 0.2);
}

.filter-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.comparison-panel {
    background: var(--background-secondary);
    border: 2px solid var(--secondary-color);
    border-radius: 12px;
    padding: 15px;
}

.comparison-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.comparison-info span {
    font-weight: 600;
    color: var(--text-color);
}

/* Report comparison modal styles */
.comparison-container .report-comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.report-summary {
    background: var(--background-secondary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
}

.report-summary h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.report-stats {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.report-stats div {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
}

.differences-analysis {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
}

.differences-analysis h4 {
    color: var(--text-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

.diff-section {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--background-secondary);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.diff-section h5 {
    color: var(--text-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.diff-section ul {
    margin: 0;
    padding-left: 20px;
}

.diff-section li {
    margin-bottom: 5px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.diff-section li strong {
    color: var(--text-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .filter-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .comparison-info {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .report-comparison-grid {
        grid-template-columns: 1fr !important;
        gap: 15px;
    }
    
    .filter-actions {
        justify-content: center;
    }
}

/* ===========================
   COMPREHENSIVE DARK MODE SUPPORT
   =========================== */

/* Stats Cards Dark Mode */
body.dark-mode .stat-card {
    background: var(--card-bg);
    border-left-color: var(--primary-color);
}

body.dark-mode .stat-card.danger {
    border-left-color: var(--danger-color);
}

body.dark-mode .stat-card.success {
    border-left-color: var(--success-color);
}

/* DataTables Dark Mode */
body.dark-mode .dataTables_wrapper .dataTables_filter input,
body.dark-mode .dataTables_wrapper .dataTables_length select {
    background: #0f172a;
    color: var(--text-color);
    border-color: var(--border-color);
}

body.dark-mode .dataTables_wrapper .dataTables_info,
body.dark-mode .dataTables_wrapper .dataTables_length label,
body.dark-mode .dataTables_wrapper .dataTables_filter label {
    color: var(--text-color);
}

/* Loading Overlay Dark Mode */
body.dark-mode .loading-overlay {
    background: rgba(0, 0, 0, 0.85);
}

/* Empty State Dark Mode */
body.dark-mode .empty-state {
    color: var(--text-secondary);
}

/* Checkbox Dark Mode */
body.dark-mode input[type="checkbox"] {
    accent-color: var(--primary-color);
}

/* Button Dark Mode Enhancements */
body.dark-mode .btn-primary:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

body.dark-mode .btn-success:hover {
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

body.dark-mode .btn-danger:hover {
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

/* Bulk Section Dark Mode */
body.dark-mode .bulk-section {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-color: var(--border-color);
}

/* Settings Dark Mode */
body.dark-mode .settings-section .form-group {
    background: rgba(59, 130, 246, 0.05);
    border-left-color: var(--primary-color);
}

body.dark-mode .settings-section .form-group:hover {
    background: var(--card-bg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

body.dark-mode #storageTypesSettings .form-group {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode #storageTypesSettings .form-group:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Filter Panel Dark Mode */
body.dark-mode .filter-panel {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .filter-group input {
    background: #0f172a;
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Comparison Panel Dark Mode */
body.dark-mode .comparison-panel {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .report-summary {
    background: rgba(59, 130, 246, 0.05);
    border-color: var(--border-color);
}

body.dark-mode .differences-analysis {
    background: var(--card-bg);
}

body.dark-mode .diff-section {
    background: rgba(59, 130, 246, 0.05);
    border-left-color: var(--primary-color);
}

/* Undo Actions Dark Mode */
body.dark-mode .undo-actions-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-color: var(--border-color);
}

body.dark-mode .undo-status-bar {
    background: rgba(59, 130, 246, 0.05);
    border-bottom-color: var(--border-color);
}

body.dark-mode .history-item {
    border-bottom-color: var(--border-color);
}

body.dark-mode .history-item:hover {
    background: rgba(59, 130, 246, 0.05);
}

body.dark-mode .history-item.current {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
    border-left-color: var(--primary-color);
}

body.dark-mode .history-icon {
    background: rgba(59, 130, 246, 0.1);
}

body.dark-mode .history-item.current .history-icon {
    background: var(--primary-color);
    color: white;
}

/* Scrollbar Dark Mode */
body.dark-mode .undo-history-list::-webkit-scrollbar-track {
    background: #0f172a;
}

body.dark-mode .undo-history-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

body.dark-mode .undo-history-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Import Indicator Dark Mode */
body.dark-mode .import-indicator {
    background: var(--card-bg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

/* ===========================
   HIGH CONTRAST MODE SUPPORT
   =========================== */

/* Button High Contrast Improvements */
body.high-contrast .btn-primary {
    background-color: #0000ff !important;
    color: #ffffff !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .btn-primary:hover {
    background-color: #0000cc !important;
    border-color: #ffff00 !important;
}

body.high-contrast .btn-secondary {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .btn-secondary:hover {
    background-color: #333333 !important;
    border-color: #ffff00 !important;
}

body.high-contrast .btn-success {
    background-color: #008000 !important;
    color: #ffffff !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .btn-success:hover {
    background-color: #006600 !important;
    border-color: #ffff00 !important;
}

body.high-contrast .btn-danger {
    background-color: #ff0000 !important;
    color: #ffffff !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .btn-danger:hover {
    background-color: #cc0000 !important;
    border-color: #ffff00 !important;
}

body.high-contrast .btn-small {
    border-width: 2px !important;
}

/* Tab buttons high contrast */
body.high-contrast .tab {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .tab:hover {
    background-color: #333333 !important;
    border-color: #ffff00 !important;
}

body.high-contrast .tab.active {
    background-color: #0000ff !important;
    color: #ffffff !important;
    border: 3px solid #ffff00 !important;
}

/* Header buttons high contrast */
body.high-contrast .header-btn {
    background-color: #000000 !important;
    color: #ffffff !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .header-btn:hover {
    background-color: #333333 !important;
    border-color: #ffff00 !important;
}

/* Quick add button high contrast */
body.high-contrast .quick-add-btn {
    background-color: #008000 !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .quick-add-btn:hover {
    background-color: #006600 !important;
    border-color: #ffff00 !important;
}

/* ===========================
   BULK OPERATIONS STYLES
   =========================== */

/* Bulk Actions Toolbar */
.bulk-actions-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.95) 0%, rgba(59, 130, 246, 0.95) 100%);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.2), 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.bulk-actions-toolbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    animation: shimmerTop 2s infinite;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shimmerTop {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.bulk-actions-info {
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: 0.3px;
}

.bulk-actions-info::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.bulk-actions-info span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 28px;
    padding: 0 10px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 14px;
    font-weight: 700;
    font-size: 0.95rem;
}

.bulk-actions-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.bulk-actions-buttons .btn-small {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 10px 18px;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.bulk-actions-buttons .btn-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    background: #f8fafc;
}

.bulk-actions-buttons .btn-small:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.bulk-actions-buttons .btn-danger {
    background: var(--danger-color);
    color: white;
}

.bulk-actions-buttons .btn-danger:hover {
    background: #b91c1c;
    box-shadow: 0 6px 12px rgba(220, 38, 38, 0.3);
}

.bulk-actions-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.bulk-actions-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Material Selection Checkboxes */
.material-select-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

#selectAllMaterials {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* Batch Processing Modal */
.batch-progress-info {
    text-align: center;
}

.progress-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-bar > div {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar > div::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Batch Info Banner */
.info-bg {
    background: rgba(59, 130, 246, 0.1);
}

/* Dark Mode Adjustments */
body.dark-mode .bulk-actions-toolbar {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.95) 0%, rgba(139, 92, 246, 0.95) 100%);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.15);
}

body.dark-mode .bulk-actions-info::before {
    background: rgba(255, 255, 255, 0.2);
}

body.dark-mode .bulk-actions-info span {
    background: rgba(255, 255, 255, 0.2);
}

body.dark-mode .bulk-actions-buttons .btn-small {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .bulk-actions-buttons .btn-small:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

body.dark-mode .bulk-actions-buttons .btn-danger {
    background: var(--danger-color);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .bulk-actions-buttons .btn-danger:hover {
    background: #b91c1c;
}

body.dark-mode .bulk-actions-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

body.dark-mode .bulk-actions-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

body.dark-mode .info-bg {
    background: rgba(59, 130, 246, 0.15);
}

/* High Contrast Mode */
body.high-contrast .bulk-actions-toolbar {
    background: #0000ff !important;
    border: 3px solid #ffff00 !important;
    box-shadow: 0 0 0 3px #000000 !important;
}

body.high-contrast .bulk-actions-info::before {
    background: #ffff00 !important;
    color: #0000ff !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .bulk-actions-info span {
    background: #ffff00 !important;
    color: #0000ff !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .bulk-actions-buttons .btn-small {
    background: #ffffff !important;
    color: #000000 !important;
    border: 3px solid #000000 !important;
    font-weight: 700 !important;
}

body.high-contrast .bulk-actions-buttons .btn-small:hover {
    background: #ffff00 !important;
    border-color: #000000 !important;
}

body.high-contrast .bulk-actions-buttons .btn-danger {
    background: #ff0000 !important;
    color: #ffffff !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .bulk-actions-buttons .btn-danger:hover {
    background: #cc0000 !important;
}

body.high-contrast .bulk-actions-buttons .btn-secondary {
    background: #ffffff !important;
    color: #0000ff !important;
    border: 3px solid #0000ff !important;
}

body.high-contrast .bulk-actions-buttons .btn-secondary:hover {
    background: #ffff00 !important;
    color: #0000ff !important;
}

body.high-contrast .material-select-checkbox,
body.high-contrast #selectAllMaterials {
    width: 22px;
    height: 22px;
    border: 3px solid #ffffff !important;
}

body.high-contrast .quick-add-btn:disabled {
    background-color: #666666 !important;
    color: #999999 !important;
    border-color: #999999 !important;
}

/* Responsive Design for Bulk Actions */
@media (max-width: 768px) {
    .bulk-actions-toolbar {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
        align-items: stretch;
    }
    
    .bulk-actions-info {
        justify-content: center;
        font-size: 0.95rem;
    }
    
    .bulk-actions-buttons {
        flex-direction: column;
        gap: 8px;
    }
    
    .bulk-actions-buttons .btn-small {
        width: 100%;
        justify-content: center;
        padding: 12px 18px;
    }
}

@media (max-width: 480px) {
    .bulk-actions-toolbar {
        padding: 12px;
        border-radius: 8px;
    }
    
    .bulk-actions-info {
        font-size: 0.9rem;
        gap: 8px;
    }
    
    .bulk-actions-info::before {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    
    .bulk-actions-info span {
        min-width: 28px;
        height: 24px;
        font-size: 0.85rem;
    }
    
    .bulk-actions-buttons .btn-small {
        font-size: 0.85rem;
        padding: 10px 16px;
    }
}

/* Storage Management Stats */
.storage-stat {
    background: rgba(59, 130, 246, 0.05);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.storage-stat:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Group Management Cards */
.group-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.group-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color, #8b5cf6));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.group-card h4 {
    transition: color 0.2s ease;
}

body.dark-mode .group-card {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.high-contrast .group-card {
    border: 3px solid var(--border-color) !important;
}

body.high-contrast .group-card::before {
    height: 4px;
}

.storage-stat-label {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.storage-stat-value {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

/* Dark Mode Storage Stats */
body.dark-mode .storage-stat {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: #60a5fa;
}

body.dark-mode .storage-stat:hover {
    background: rgba(59, 130, 246, 0.15);
}

/* High Contrast Storage Stats */
body.high-contrast .storage-stat {
    background: #000000 !important;
    border: 3px solid #ffff00 !important;
}

body.high-contrast .storage-stat-label {
    color: #ffff00 !important;
}

body.high-contrast .storage-stat-value {
    color: #ffffff !important;
}

/* ===========================
   RECENTLY ADDED MATERIALS PREVIEW
   =========================== */

.recently-added-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--background-secondary) 100%);
    border: 2px solid var(--primary-color);
    border-left-width: 5px;
    animation: slideInFromLeft 0.4s ease-out;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.recently-added-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 0.75em;
    font-weight: 700;
    margin-left: 10px;
    min-width: 30px;
    text-align: center;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

.recently-added-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
    background: var(--background-primary);
    border-radius: 8px;
}

.recently-added-item {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    animation: fadeInSlide 0.3s ease-out;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.recently-added-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.recently-added-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.recently-added-item-header {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.recently-added-item-code {
    font-weight: 700;
    font-size: 1.1em;
    color: var(--text-color);
    background: var(--primary-color);
    color: white;
    padding: 4px 12px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.recently-added-item-name {
    color: var(--text-secondary);
    font-size: 0.95em;
}

.recently-added-item-details {
    display: flex;
    gap: 15px;
    font-size: 0.9em;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.recently-added-item-detail {
    display: flex;
    align-items: center;
    gap: 5px;
}

.recently-added-item-detail strong {
    color: var(--text-color);
    font-weight: 600;
}

.recently-added-item-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.recently-added-item-time {
    font-size: 0.8em;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 5px;
}

.recently-added-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.recently-added-empty i {
    font-size: 3em;
    margin-bottom: 10px;
    opacity: 0.3;
}

/* Success indicator for newly added item */
.recently-added-item.just-added {
    border-color: var(--success-color);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(34, 197, 94, 0.05) 100%);
}

.recently-added-item.just-added::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--success-color);
    border-radius: 8px 0 0 8px;
}

/* Dark Mode */
body.dark-mode .recently-added-card {
    background: linear-gradient(135deg, var(--card-bg) 0%, #1a1f2e 100%);
    border-color: #60a5fa;
}

body.dark-mode .recently-added-item {
    background: var(--card-bg);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .recently-added-item:hover {
    border-color: #60a5fa;
    box-shadow: 0 4px 8px rgba(96, 165, 250, 0.2);
}

body.dark-mode .recently-added-list {
    background: #0f1419;
}

/* High Contrast Mode */
body.high-contrast .recently-added-card {
    background: #000000 !important;
    border: 4px solid #ffff00 !important;
}

body.high-contrast .recently-added-badge {
    background: #ffff00 !important;
    color: #000000 !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .recently-added-item {
    background: #000000 !important;
    border: 3px solid #ffffff !important;
}

body.high-contrast .recently-added-item:hover {
    border-color: #ffff00 !important;
}

body.high-contrast .recently-added-item-code {
    background: #ffff00 !important;
    color: #000000 !important;
    border: 2px solid #ffffff !important;
}

body.high-contrast .recently-added-item-detail strong {
    color: #ffff00 !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .recently-added-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .recently-added-item-actions {
        width: 100%;
        justify-content: flex-end;
    }
    
    .recently-added-item-header {
        width: 100%;
    }
}

/* ===========================
   STORAGE BACKEND SELECTION
   =========================== */

.storage-backend-option {
    padding: 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--card-bg);
}

.storage-backend-option:hover {
    border-color: var(--primary-color);
    background: var(--card-bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.storage-backend-option.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

.backend-status {
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.backend-status.active {
    color: var(--success-color);
    background: rgba(34, 197, 94, 0.1);
}

.backend-status.available {
    color: var(--info-color);
    background: rgba(59, 130, 246, 0.1);
}

.backend-status.inactive {
    color: var(--text-secondary);
    background: var(--card-bg-secondary);
}

.github-config-status {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
}

.github-config-status.success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.github-config-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===========================
   CONFLICT RESOLUTION UI
   =========================== */

.conflict-resolution-modal {
    max-width: 1000px;
    width: 95%;
    max-height: 90vh;
}

.conflict-resolution-modal .modal-body {
    max-height: calc(90vh - 200px);
    overflow-y: auto;
}

.conflict-intro {
    padding: 15px;
    background: var(--warning-bg, rgba(251, 191, 36, 0.1));
    border-left: 4px solid var(--warning-color, #f59e0b);
    border-radius: 8px;
    margin-bottom: 20px;
    color: var(--text-color);
}

.conflicts-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.conflict-item {
    padding: 20px;
    background: var(--card-bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.conflict-item h4 {
    margin: 0 0 15px 0;
    color: var(--text-color);
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.conflict-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.conflict-option {
    padding: 15px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
}

.conflict-option.local {
    border-color: rgba(59, 130, 246, 0.4);
}

.conflict-option.remote {
    border-color: rgba(168, 85, 247, 0.4);
}

.conflict-option h5 {
    margin: 0 0 10px 0;
    color: var(--text-color);
    font-size: 0.95em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.conflict-option p {
    margin: 0 0 10px 0;
    font-size: 0.85em;
    color: var(--text-secondary);
}

.conflict-option pre {
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: 6px;
    font-size: 12px;
    max-height: 200px;
    overflow-y: auto;
    margin: 0 0 12px 0;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.conflict-option button {
    width: 100%;
    font-size: 14px;
    padding: 10px;
}

.conflict-actions {
    display: flex;
    justify-content: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.conflict-actions button {
    min-width: 200px;
}

.success-message {
    padding: 20px;
    text-align: center;
    color: var(--success-color);
    font-size: 1.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* Responsive conflict resolution */
@media (max-width: 768px) {
    .conflict-comparison {
        grid-template-columns: 1fr;
    }
    
    .conflict-resolution-modal {
        width: 100%;
        max-width: 100%;
        border-radius: 0;
        max-height: 100vh;
    }
}

/* ===========================
   COLLABORATION INDICATORS
   =========================== */

.collaboration-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--card-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.collaboration-status.active {
    border-color: var(--success-color);
    background: rgba(34, 197, 94, 0.05);
}

.collaboration-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-secondary);
    animation: pulse 2s infinite;
}

.collaboration-indicator.active {
    background: var(--success-color);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.sync-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: var(--card-bg-secondary);
    border: 1px solid var(--border-color);
}

.sync-status-badge.syncing {
    color: var(--info-color);
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.1);
}

.sync-status-badge.synced {
    color: var(--success-color);
    border-color: rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.1);
}

.sync-status-badge.error {
    color: var(--danger-color);
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.1);
}

.sync-status-badge i {
    font-size: 10px;
}

/* Dark mode adjustments */
body.dark-mode .conflict-option pre {
    background: rgba(255, 255, 255, 0.05);
}

body.dark-mode .storage-backend-option.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.08) 100%);
}

/* ===========================
   GITHUB SETUP GUIDE STYLING
   =========================== */

.step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.github-setup-guide {
    animation: fadeIn 0.3s ease-in;
}

.github-setup-guide ol li {
    margin-bottom: 8px;
}

.github-setup-guide ol li:last-child {
    margin-bottom: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Input field improvements for GitHub config */
#githubConfigSection .input-field {
    transition: all 0.3s ease;
}

#githubConfigSection .input-field:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

#githubConfigSection .input-field::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Password visibility toggle button */
#githubConfigSection button[onclick*="togglePasswordVisibility"] {
    transition: color 0.2s ease;
}

#githubConfigSection button[onclick*="togglePasswordVisibility"]:hover {
    color: var(--primary-color);
}