/* Sahara Electrical - Modern Premium CSS Design System (style.css) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(22, 30, 49, 0.65);
    --bg-card-hover: rgba(30, 41, 69, 0.8);
    --bg-sidebar: #070a12;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(255, 159, 0, 0.4);
    
    --primary: #ff9f00;      /* Sahara Amber */
    --primary-glow: rgba(255, 159, 0, 0.15);
    --secondary: #3b82f6;    /* Electric Blue */
    --secondary-glow: rgba(59, 130, 246, 0.15);
    
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --text-highlight: #ffffff;
    
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --pending: #8b5cf6;
    
    --font-header: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(255, 159, 0, 0.06) 0px, transparent 50%);
    background-attachment: fixed;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

#app-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* Sidebar */
#sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: var(--transition);
    backdrop-filter: blur(20px);
}

#sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-highlight);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    transition: var(--transition);
}

.sidebar-logo span.highlight {
    color: var(--primary);
}

#sidebar.collapsed .sidebar-logo {
    opacity: 0;
    width: 0;
    pointer-events: none;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: var(--transition);
}

.sidebar-toggle-btn:hover {
    color: var(--primary);
    background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
    overflow-y: auto;
}

.sidebar-menu-item {
    margin-bottom: 6px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-family: var(--font-header);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.sidebar-link i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.sidebar-link:hover {
    color: var(--text-highlight);
    background-color: rgba(255, 255, 255, 0.04);
}

.sidebar-link.active {
    color: var(--text-highlight);
    background: linear-gradient(90deg, rgba(255, 159, 0, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
    box-shadow: inset 3px 0 0 0 var(--primary);
    border-left: 3px solid var(--primary);
    padding-left: 13px; /* balance the border */
}

.sidebar-link .menu-badge {
    background-color: var(--warning);
    color: #000;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: auto;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

#sidebar.collapsed .sidebar-link span,
#sidebar.collapsed .sidebar-link .menu-badge {
    opacity: 0;
    width: 0;
    pointer-events: none;
    margin: 0;
    padding: 0;
}

/* Main Content Wrapper */
#main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition);
}

#sidebar.collapsed + #main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Top Bar */
.topbar {
    height: 70px;
    background-color: rgba(7, 10, 18, 0.6);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.page-title-section {
    display: flex;
    flex-direction: column;
}

.page-title {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-highlight);
}

.breadcrumbs {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.breadcrumbs a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--primary);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-search {
    position: relative;
    display: flex;
    align-items: center;
}

.topbar-search input {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px 8px 40px;
    color: var(--text-main);
    font-size: 0.85rem;
    outline: none;
    width: 240px;
    transition: var(--transition);
}

.topbar-search input:focus {
    width: 320px;
    border-color: var(--primary);
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px var(--primary-glow);
}

.topbar-search i {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 0.9rem;
    pointer-events: none;
}

/* Page View Content Inner */
.content-body {
    padding: 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* ==========================================================================
   CARDS & STATS
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3), 0 0 15px rgba(59, 130, 246, 0.05);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-value {
    font-family: var(--font-header);
    font-weight: 800;
    font-size: 2.0rem;
    color: var(--text-highlight);
    line-height: 1.2;
}

.stat-icon-box {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    transition: var(--transition);
}

.stat-icon-box.orange {
    background-color: rgba(255, 159, 0, 0.1);
    color: var(--primary);
}

.stat-icon-box.blue {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--secondary);
}

.stat-icon-box.green {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon-box.purple {
    background-color: rgba(139, 92, 246, 0.1);
    color: var(--pending);
}

.stat-card:hover .stat-icon-box {
    transform: scale(1.1) rotate(5deg);
}

/* ==========================================================================
   MODULE LAYOUT (FORM + TABLE SPLIT)
   ========================================================================== */

.module-container {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 1100px) {
    .module-container {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.panel-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-title {
    font-family: var(--font-header);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-highlight);
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.panel-body {
    padding: 24px;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.form-grid.two-col {
    grid-template-columns: 1fr 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.form-group.span-2 {
    grid-column: span 2;
}

.form-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

.form-control:focus {
    border-color: var(--primary);
    background-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 10px var(--primary-glow);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-control:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: rgba(255, 255, 255, 0.01);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

/* Button UI */
.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 8px;
    font-family: var(--font-header);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #e68a00 100%);
    color: #000000;
    box-shadow: 0 4px 15px rgba(255, 159, 0, 0.25);
}

.btn-primary:hover {
    box-shadow: 0 4px 20px rgba(255, 159, 0, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-highlight);
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.25);
    color: var(--error);
}

.btn-danger:hover {
    background-color: var(--error);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-success {
    background-color: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.25);
    color: var(--success);
}

.btn-success:hover {
    background-color: var(--success);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-icon {
    width: 42px;
    height: 42px;
    padding: 0;
    border-radius: 8px;
}

/* ==========================================================================
   TABLE SECTION
   ========================================================================== */

.table-container {
    overflow-x: auto;
    width: 100%;
    max-height: 550px;
    position: relative;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.custom-table th {
    background-color: #0e1424;
    color: var(--text-highlight);
    font-family: var(--font-header);
    font-weight: 600;
    padding: 14px 16px;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.custom-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    white-space: nowrap;
    transition: var(--transition);
}

.custom-table tbody tr {
    cursor: pointer;
    transition: var(--transition);
}

.custom-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.custom-table tbody tr.selected {
    background: linear-gradient(90deg, rgba(255, 159, 0, 0.08) 0%, rgba(59, 130, 246, 0.02) 100%);
    border-left: 3px solid var(--primary);
}

.custom-table tbody tr.selected td {
    color: var(--text-highlight);
}

.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.badge-success {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.badge.badge-error {
    background-color: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.badge.badge-warning {
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.badge.badge-pending {
    background-color: rgba(139, 92, 246, 0.15);
    color: var(--pending);
}

.table-action-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.0rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.table-action-btn:hover {
    color: var(--error);
    background-color: rgba(239, 68, 68, 0.1);
}

.search-box-wrapper {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ==========================================================================
   AUTOCOMPLETE DROPDOWN
   ========================================================================== */

.autocomplete-wrapper {
    position: relative;
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #0e1424;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 4px;
    max-height: 240px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.autocomplete-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-size: 0.85rem;
}

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

.autocomplete-item:hover {
    background-color: rgba(255, 159, 0, 0.12);
    color: var(--text-highlight);
}

.autocomplete-item .match {
    color: var(--primary);
    font-weight: 600;
}

.autocomplete-item-title {
    font-weight: 600;
    color: var(--text-highlight);
    margin-bottom: 2px;
}

.autocomplete-item-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */

#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    min-width: 320px;
    background: rgba(14, 20, 36, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    transform: translateX(120%);
    animation: slideIn 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transition: var(--transition);
}

.toast.toast-success {
    border-left: 4px solid var(--success);
}

.toast.toast-error {
    border-left: 4px solid var(--error);
}

.toast-icon {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.toast-error .toast-icon {
    color: var(--error);
}

.toast-content {
    flex: 1;
}

.toast-message {
    font-size: 0.85rem;
    color: var(--text-main);
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.0rem;
    transition: var(--transition);
}

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

@keyframes slideIn {
    to {
        transform: translateX(0);
    }
}

/* ==========================================================================
   LOADING OVERLAY & PROGRESS
   ========================================================================== */

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 7, 12, 0.8);
    backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

#loading-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 159, 0, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s infinite linear;
    box-shadow: 0 0 20px rgba(255, 159, 0, 0.2);
}

.loading-text {
    font-family: var(--font-header);
    font-size: 1.1rem;
    color: var(--text-highlight);
    font-weight: 500;
}

.progress-container {
    width: 300px;
    background-color: rgba(255,255,255,0.05);
    height: 6px;
    border-radius: 3px;
    overflow: hidden;
    display: none;
    border: 1px solid var(--border-color);
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary) 0%, var(--primary) 100%);
    transition: width 0.1s ease;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   MODAL WINDOWS
   ========================================================================== */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 7, 12, 0.7);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-backdrop.visible {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background-color: #0e1424;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 500px;
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: translateY(-50px);
    transition: transform 0.3s ease;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal-backdrop.visible .modal-content {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-family: var(--font-header);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-highlight);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==========================================================================
   SPECIAL WIDGETS & PO MASTER / MACHINE POPUP
   ========================================================================== */

/* Machine list grid in tax invoice */
.machine-select-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 8px;
    background-color: rgba(0,0,0,0.15);
}

.machine-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: var(--transition);
}

.machine-checkbox-label:hover {
    background-color: rgba(255,255,255,0.05);
}

.machine-checkbox-label input[type="checkbox"] {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

/* Excel Mapping UI */
.excel-mapping-table {
    width: 100%;
    margin-top: 12px;
    border-collapse: collapse;
}

.excel-mapping-table td {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* Modal tab buttons */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.modal-tab-btn {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-header);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    text-align: center;
}

.modal-tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background-color: rgba(255, 159, 0, 0.03);
}

/* ==========================================================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================================================== */

/* Tablet (820px - 1024px) */
@media (max-width: 1024px) {
    #sidebar {
        width: var(--sidebar-collapsed-width);
    }
    
    #sidebar .sidebar-logo,
    #sidebar .sidebar-link span,
    #sidebar .sidebar-link .menu-badge {
        opacity: 0;
        width: 0;
        pointer-events: none;
        margin: 0;
        padding: 0;
    }
    
    #main-content {
        margin-left: var(--sidebar-collapsed-width);
    }
    
    .topbar {
        padding: 0 20px;
    }
    
    .content-body {
        padding: 20px;
        gap: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Devices (480px - 820px) */
@media (max-width: 820px) {
    #sidebar {
        left: -100%;
        width: var(--sidebar-width);
    }
    
    #sidebar.mobile-open {
        left: 0;
    }
    
    #sidebar.mobile-open .sidebar-logo,
    #sidebar.mobile-open .sidebar-link span,
    #sidebar.mobile-open .sidebar-link .menu-badge {
        opacity: 1;
        width: auto;
        pointer-events: all;
    }
    
    #main-content {
        margin-left: 0 !important;
    }
    
    .topbar-search input {
        width: 160px;
    }
    
    .topbar-search input:focus {
        width: 200px;
    }
    
    .module-container {
        grid-template-columns: 1fr;
    }
}

/* Very Small Mobile (< 480px) */
@media (max-width: 480px) {
    .topbar-search {
        display: none; /* Hide topbar search to save space */
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .panel-header {
        padding: 16px;
    }
    
    .panel-body {
        padding: 16px;
    }
}

/* ==========================================================================
   PRINT OPTIMIZATIONS
   ========================================================================== */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
    }
    #sidebar, .topbar, .btn-group, .search-box-wrapper, #toast-container, #loading-overlay {
        display: none !important;
    }
    #main-content {
        margin-left: 0 !important;
        padding: 0 !important;
    }
    .panel {
        border: none !important;
        background: none !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
    }
}

/* =========================================================================
   SYNC STATUS BAR — Always visible below topbar
   ========================================================================= */
.sync-status-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 20px;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--font-body);
    letter-spacing: 0.3px;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    position: relative;
    z-index: 5;
}

.sync-status-bar.sync-healthy {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.15) 50%, rgba(16, 185, 129, 0.08) 100%);
    border-bottom-color: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.sync-status-bar.sync-degraded {
    background: linear-gradient(90deg, rgba(245, 158, 11, 0.08) 0%, rgba(245, 158, 11, 0.18) 50%, rgba(245, 158, 11, 0.08) 100%);
    border-bottom-color: rgba(245, 158, 11, 0.25);
    color: var(--warning);
    animation: sync-degraded-flash 3s ease-in-out infinite;
}

@keyframes sync-degraded-flash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

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

.sync-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    position: relative;
    flex-shrink: 0;
}

.sync-healthy .sync-pulse-dot {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
    animation: sync-pulse-green 2s ease-in-out infinite;
}

.sync-degraded .sync-pulse-dot {
    background: var(--warning);
    box-shadow: 0 0 6px var(--warning);
    animation: sync-pulse-amber 1.5s ease-in-out infinite;
}

@keyframes sync-pulse-green {
    0%, 100% { box-shadow: 0 0 4px var(--success); transform: scale(1); }
    50% { box-shadow: 0 0 12px var(--success), 0 0 20px rgba(16, 185, 129, 0.3); transform: scale(1.2); }
}

@keyframes sync-pulse-amber {
    0%, 100% { box-shadow: 0 0 4px var(--warning); transform: scale(1); }
    50% { box-shadow: 0 0 14px var(--warning), 0 0 24px rgba(245, 158, 11, 0.4); transform: scale(1.3); }
}

.sync-status-text {
    display: flex;
    align-items: center;
}

.sync-status-link {
    color: inherit;
    text-decoration: none;
    opacity: 0.7;
    font-size: 0.72rem;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 4px;
    transition: var(--transition);
    margin-left: 6px;
    border: 1px solid currentColor;
}

.sync-status-link:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

/* =========================================================================
   SYNC ADMIN PAGE STYLES
   ========================================================================= */

/* Mode Selector Cards */
.sync-mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.sync-mode-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-card);
    position: relative;
    overflow: hidden;
}

.sync-mode-card:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.sync-mode-card.active {
    border-color: var(--primary);
    background: var(--primary-glow, rgba(37, 99, 235, 0.1));
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.15);
}

.sync-mode-card.active::after {
    content: '✓ ACTIVE';
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 0.65rem;
    font-weight: 700;
    color: white;
    background: var(--primary);
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.sync-mode-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.sync-mode-title {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-header);
    margin-bottom: 4px;
}

.sync-mode-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Node Status Cards */
.sync-node-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.sync-node-card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    background: var(--bg-card);
    transition: var(--transition);
}

.sync-node-card.node-healthy {
    border-left: 4px solid var(--success);
}

.sync-node-card.node-down {
    border-left: 4px solid var(--error);
    opacity: 0.7;
}

.sync-node-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.sync-node-name {
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-header);
}

.sync-node-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sync-node-badge.badge-healthy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.sync-node-badge.badge-down {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.sync-node-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 0.85rem;
    border-bottom: 1px dashed var(--border-color);
}

.sync-node-stat:last-child {
    border-bottom: none;
}

.sync-node-stat-label {
    color: var(--text-muted);
}

.sync-node-stat-value {
    font-weight: 600;
    font-family: 'Inter', monospace;
}

/* Sync Event Log */
.sync-events-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.sync-events-table th {
    position: sticky;
    top: 0;
    background: var(--bg-card);
    padding: 10px 12px;
    text-align: left;
    font-weight: 700;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-highlight);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sync-events-table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sync-events-table tr:hover td {
    background: var(--bg-card-hover, rgba(255, 255, 255, 0.03));
}

.sync-event-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.sync-event-badge.badge-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.sync-event-badge.badge-processed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.sync-event-badge.badge-failed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.sync-event-badge.badge-insert {
    background: rgba(59, 130, 246, 0.15);
    color: var(--secondary);
}

.sync-event-badge.badge-update {
    background: rgba(139, 92, 246, 0.15);
    color: var(--pending);
}

.sync-event-badge.badge-delete {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

/* Replay Progress */
.sync-replay-progress {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    margin-top: 12px;
}

.sync-replay-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.sync-replay-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 3px;
    transition: width 0.5s ease;
    width: 0%;
}

/* Replay Log */
.sync-log-container {
    max-height: 300px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    line-height: 1.6;
    color: var(--text-muted);
}

[data-theme="dark"] .sync-log-container {
    background: rgba(0, 0, 0, 0.3);
}

.sync-log-entry {
    padding: 2px 0;
    border-bottom: 1px dotted var(--border-color);
}

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

/* Responsive */
@media (max-width: 768px) {
    .sync-mode-grid {
        grid-template-columns: 1fr;
    }
    .sync-node-grid {
        grid-template-columns: 1fr;
    }
    .sync-status-bar {
        font-size: 0.7rem;
        padding: 5px 12px;
    }
}