/* ==========================================================================
   CSS Stylesheet - Construction Equipment Rental System
   Theme: Clean Light Mode with Accent Colors
   ========================================================================== */

/* Design Tokens (CSS Variables) */
:root {
    --primary-color: #4f46e5;       /* Indigo */
    --primary-light: #e0e7ff;
    --primary-hover: #4338ca;
    --accent-color: #0d9488;        /* Teal */
    --accent-light: #ccfbf1;
    --accent-hover: #0f766e;
    --success-color: #10b981;       /* Emerald */
    --success-light: #d1fae5;
    --danger-color: #ef4444;        /* Red */
    --danger-light: #fee2e2;
    --warning-color: #f59e0b;       /* Amber */
    --warning-light: #fef3c7;
    
    --bg-body: #f8fafc;             /* Slate 50 */
    --bg-card: #ffffff;
    --border-color: #e2e8f0;        /* Slate 200 */
    --text-main: #0f172a;           /* Slate 900 */
    --text-muted: #64748b;          /* Slate 500 */
    --text-light: #94a3b8;          /* Slate 400 */
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* Reset and Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Prompt', 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-body);
    background-image: 
        radial-gradient(rgba(148, 163, 184, 0.08) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-brand {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.brand-icon {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.brand-icon:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.3);
}

.brand-icon i {
    width: 22px;
    height: 22px;
}

.brand-text h1 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.sidebar-menu {
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.menu-item i {
    width: 20px;
    height: 20px;
}

.menu-item:hover {
    background-color: var(--bg-body);
    color: var(--primary-color);
}

.menu-item.active {
    background-color: var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-light);
}

.sidebar-footer > span {
    display: block;
    margin-top: 4px;
    color: var(--success-color);
    font-weight: 500;
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    width: calc(100% - 280px);
    position: relative;
}

.main-content::before {
    content: "";
    position: fixed;
    top: -10%;
    right: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.main-content::after {
    content: "";
    position: fixed;
    bottom: -10%;
    left: 10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.04) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

/* Top Header */
.top-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 90;
}

.header-title h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.current-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Base Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
    text-decoration: none;
}

.btn i {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: #ffffff;
    border-color: var(--border-color);
    color: var(--text-muted);
}

.btn-secondary:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
}

.btn-accent {
    background-color: var(--accent-color);
    color: #ffffff;
}

.btn-accent:hover {
    background-color: var(--accent-hover);
}

.btn-success {
    background-color: var(--success-color);
    color: #ffffff;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-sm i {
    width: 14px;
    height: 14px;
}

/* View Wrapper (SPA views container) */
.view-wrapper {
    padding: 32px;
    flex-grow: 1;
}

.content-view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.content-view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Card Components */
.card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    overflow: hidden;
}

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

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-body {
    padding: 24px;
}

/* Stats Dashboard Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    width: 24px;
    height: 24px;
}

.stat-icon.income {
    background-color: var(--success-light);
    color: var(--success-color);
}

.stat-icon.active-rent {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.stat-icon.total-prod {
    background-color: var(--accent-light);
    color: var(--accent-color);
}

.stat-icon.low-stock {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.stat-card.alert {
    border-color: #fcd34d;
}

.stat-info h3 {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-top: 2px;
}

/* Dashboard Charts & Alerts Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr;
    gap: 24px;
    margin-bottom: 24px;
}

.chart-container {
    position: relative;
    height: 280px;
    width: 100%;
}

/* Table Styling */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.table th {
    background-color: var(--bg-body);
    padding: 14px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
}

.table tbody tr:hover {
    background-color: #fafafa;
}

.min-table th, .min-table td {
    padding: 10px 12px;
    font-size: 0.85rem;
}

.empty-row-placeholder {
    text-align: center;
    color: var(--text-light);
    padding: 32px !important;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success-color);
}

.badge-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.badge-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

/* View Header Bar (Search & Filter) */
.view-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 20px;
}

.search-filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-grow: 1;
    max-width: 600px;
}

.search-box {
    position: relative;
    flex-grow: 1;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    width: 18px;
    height: 18px;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
    background-color: var(--bg-card);
    color: var(--text-main);
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Form Controls */
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
    background-color: var(--bg-card);
    color: var(--text-main);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.col-6 { flex: 1; }
.col-4 { width: 33.33%; }
.col-8 { width: 66.66%; }

.required {
    color: var(--danger-color);
}

/* Sub-tabs inside view */
.sub-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    gap: 24px;
}

.sub-tab-btn {
    padding: 10px 4px;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    transition: var(--transition-fast);
}

.sub-tab-btn:hover {
    color: var(--primary-color);
}

.sub-tab-btn.active {
    color: var(--primary-color);
    font-weight: 600;
}

.sub-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.sub-tab-content {
    display: none;
}

.sub-tab-content.active {
    display: block;
}

/* Products Inventory Cards Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.product-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.product-card-body {
    padding: 20px;
    flex-grow: 1;
}

.product-cat {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    display: block;
}

.product-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
    line-height: 1.3;
}

.product-stock-bar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background-color: var(--bg-body);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    font-size: 0.8rem;
}

.stock-indicator {
    display: flex;
    justify-content: space-between;
}

.stock-progress-track {
    height: 6px;
    background-color: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.stock-progress-bar {
    height: 100%;
    background-color: var(--success-color);
    border-radius: 3px;
}

.stock-progress-bar.low {
    background-color: var(--danger-color);
}

.product-price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
}

.product-price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.product-price-val {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.product-card-actions {
    background-color: var(--bg-body);
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
}

.product-card-actions button {
    flex: 1;
}

/* Info Alerts */
.info-alert {
    display: flex;
    gap: 12px;
    padding: 14px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.info-alert p {
    margin: 0;
}

.info-alert.info {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.info-alert.success {
    background-color: var(--success-light);
    color: var(--success-color);
}

.info-alert.warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

/* Dynamic Forms Page Layout */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 24px;
    align-items: start;
}

.form-grid.text-layout {
    grid-template-columns: 1fr 1.5fr;
}

.select-search-group {
    display: flex;
    gap: 8px;
}

.select-search-group select {
    flex-grow: 1;
}

.select-item-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.flex-3 { flex: 3; }
.flex-1 { flex: 1; }

.selected-items-table-wrapper {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.selected-items-table-wrapper table th {
    position: sticky;
    top: 0;
    background-color: var(--bg-body);
    z-index: 10;
}

.rental-billing-summary {
    background-color: var(--bg-body);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.billing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.billing-row strong {
    color: var(--text-main);
    font-size: 1.05rem;
}

.deposit-label {
    margin-bottom: 0 !important;
}

.inline-input {
    width: 120px;
    padding: 6px 12px;
    text-align: right;
}

.grand-total {
    font-size: 1.05rem;
    font-weight: 600;
}

.grand-total strong {
    font-size: 1.35rem;
    color: var(--success-color);
}

.form-actions-bar {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Document Settings Live Preview */
.preview-card {
    position: sticky;
    top: 90px;
}

.invoice-preview {
    background-color: #ffffff;
    border: 1px dashed var(--text-light);
    border-radius: 4px;
    padding: 32px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.02);
    font-size: 0.75rem;
    color: #333333;
    
    /* Scoped variables for preview context to prevent dark mode values from leaking */
    --text-main: #111111 !important;
    --text-muted: #475569 !important;
    --text-light: #94a3b8 !important;
    --bg-body: #f8fafc !important;
    --bg-card: #ffffff !important;
    --border-color: #e2e8f0 !important;
    --primary-light: #e0e7ff !important;
    --success-light: #d1fae5 !important;
    --danger-light: #fee2e2 !important;
}

.invoice-preview-header {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.preview-logo-box {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.preview-header-info {
    text-align: right;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.preview-header-info h4 {
    font-size: 0.85rem;
    color: var(--text-main);
    margin-bottom: 4px;
}

.preview-divider {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 16px 0;
}

.invoice-preview-body {
    display: flex;
    flex-direction: column;
}

.preview-title-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.preview-title-box h5 {
    font-size: 0.8rem;
    font-weight: 700;
}

.preview-serial {
    color: var(--text-muted);
}

.preview-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.preview-table th {
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 6px;
    text-align: left;
    font-size: 0.7rem;
}

.preview-table td {
    border-bottom: 1px solid #f1f5f9;
    padding: 6px;
    font-size: 0.7rem;
}

.preview-summary {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    margin-bottom: 16px;
}

.preview-terms-box {
    background-color: #f8fafc;
    padding: 10px;
    border-radius: 4px;
    font-size: 0.65rem;
}

.preview-terms-box h6 {
    font-weight: 600;
    margin-bottom: 4px;
}

.preview-terms-box p {
    white-space: pre-line;
    color: var(--text-muted);
}

/* Daily Report Dashboard */
.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding: 24px;
}

.report-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.report-title {
    text-align: right;
}

.report-title h2 {
    font-size: 1.3rem;
    font-weight: 700;
}

.report-selected-date-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.report-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.r-summary-card {
    background-color: var(--bg-body);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--border-color);
}

.r-summary-card span {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
}

.r-summary-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.r-summary-card.cashflow h4 {
    color: var(--success-color);
}

.report-divider {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 24px 0;
}

.report-lists-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.report-list-column h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-main);
}

/* Modals Overlay Base */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.4); /* Slate 900 translucent */
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transform: translateY(16px);
    transition: transform 0.2s ease;
}

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

.invoice-modal-content {
    max-width: 800px;
}

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

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    font-weight: 300;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

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

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

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

.header-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* Details Page styling inside modal */
.details-section {
    margin-bottom: 24px;
}

.details-section h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    font-size: 0.9rem;
}

.details-item span {
    color: var(--text-muted);
    display: block;
    font-size: 0.8rem;
}

.details-item strong {
    color: var(--text-main);
}

.details-item.full-width {
    grid-column: span 2;
}

/* Return Confirmation Modal Elements */
.return-info-summary {
    background-color: var(--bg-body);
    border-radius: var(--radius-md);
    padding: 16px;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.return-items-list-wrapper {
    margin-top: 20px;
    margin-bottom: 20px;
}

.return-items-list-wrapper h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 8px;
}

/* Printable Invoice Styles */
.printable-invoice-area {
    background-color: #ffffff;
    color: #111111;
    font-size: 0.95rem;
    line-height: 1.5;

    /* Scoped variables to prevent dark mode styles from leaking into printable invoice modal */
    --text-main: #111111 !important;
    --text-muted: #475569 !important;
    --text-light: #94a3b8 !important;
    --bg-body: #f8fafc !important;
    --bg-card: #ffffff !important;
    --border-color: #e2e8f0 !important;
    --primary-light: #e0e7ff !important;
    --success-light: #d1fae5 !important;
    --danger-light: #fee2e2 !important;
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    gap: 32px;
}

.biz-logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.biz-info {
    text-align: right;
}

.biz-info h2 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.biz-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.invoice-divider {
    border: none;
    border-top: 1px solid var(--text-light);
    margin: 20px 0;
}

.invoice-subheader {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.bill-to h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
}

.bill-to p {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.bill-meta {
    text-align: right;
}

.bill-meta h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.bill-meta p {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 24px;
}

.invoice-table th {
    border-top: 1.5px solid #000;
    border-bottom: 1.5px solid #000;
    padding: 10px 8px;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: left;
}

.invoice-table td {
    border-bottom: 1px solid #f1f5f9;
    padding: 12px 8px;
    font-size: 0.95rem;
}

.invoice-summary-section {
    display: flex;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 32px;
}

.bill-remarks-box {
    flex: 1.5;
    background-color: var(--bg-body);
    padding: 16px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

.bill-remarks-box p {
    margin-top: 4px;
    white-space: pre-line;
}

.bill-totals {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.total-row.grand {
    font-size: 1.1rem;
    font-weight: 700;
}

.total-row.grand strong {
    font-size: 1.35rem;
    color: var(--success-color);
}

.invoice-terms {
    background-color: #fafafa;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 32px;
    font-size: 0.85rem;
}

.invoice-terms h4 {
    font-weight: 600;
    margin-bottom: 6px;
}

.invoice-terms p {
    white-space: pre-line;
    color: var(--text-muted);
}

.invoice-signatures {
    display: flex;
    justify-content: space-between;
    margin-top: 48px;
    padding: 0 16px;
}

.signature-box {
    text-align: center;
    width: 250px;
    font-size: 0.9rem;
}

.signature-box p:first-child {
    margin-bottom: 24px;
}

/* Print Stylesheet Overrides */
@media print {
    /* Print-specific layout overrides to fit 1 page */
    @page {
        size: A4;
        margin: 10mm 12mm;
    }
    
    html, body {
        height: auto !important;
        overflow: visible !important;
        background: #ffffff !important;
        color: #000000 !important;
        font-size: 10pt !important;
    }
    
    /* Hide everything on screen */
    body * {
        visibility: hidden;
        box-shadow: none !important;
    }
    
    /* Active printing of invoice */
    body.printing-invoice .printable-invoice-area, 
    body.printing-invoice .printable-invoice-area * {
        visibility: visible;
    }
    
    body.printing-invoice .printable-invoice-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        padding: 0;
        margin: 0;
        font-size: 10.5pt !important;
        line-height: 1.4 !important;
        page-break-inside: avoid !important;
        max-height: 100%;
        overflow: visible;
    }
    
    body.printing-invoice h2 {
        font-size: 16pt !important;
    }
    body.printing-invoice h3 {
        font-size: 14pt !important;
    }
    body.printing-invoice h4 {
        font-size: 11.5pt !important;
    }
    body.printing-invoice p {
        margin: 2px 0 !important;
        font-size: 10.5pt !important;
    }
    
    body.printing-invoice .invoice-header {
        margin-bottom: 6px !important;
    }
    body.printing-invoice .invoice-header h2 {
        font-size: 16pt !important;
    }
    body.printing-invoice .invoice-divider {
        margin: 8px 0 !important;
        border-top: 1px solid #000000 !important;
    }
    body.printing-invoice .invoice-subheader {
        margin-bottom: 12px !important;
    }
    body.printing-invoice .invoice-table {
        margin: 10px 0 !important;
    }
    body.printing-invoice .invoice-table th {
        padding: 6px 8px !important;
        font-size: 10.5pt !important;
        border-top: 1.5px solid #000000 !important;
        border-bottom: 1.5px solid #000000 !important;
        font-weight: bold !important;
    }
    body.printing-invoice .invoice-table td {
        padding: 6px 8px !important;
        font-size: 10pt !important;
        border-bottom: 1px solid #cccccc !important;
    }
    body.printing-invoice .invoice-summary-section {
        margin-top: 12px !important;
        margin-bottom: 12px !important;
        gap: 20px !important;
    }
    body.printing-invoice .bill-remarks-box {
        padding: 8px !important;
        font-size: 9.5pt !important;
        border: 1px solid #999999 !important;
    }
    body.printing-invoice .bill-totals {
        gap: 4px !important;
        min-width: 250px !important;
    }
    body.printing-invoice .bill-totals .total-row {
        padding: 2px 0 !important;
        font-size: 10.5pt !important;
    }
    body.printing-invoice .bill-totals .total-row.grand {
        font-size: 12pt !important;
        font-weight: bold !important;
    }
    body.printing-invoice .bill-totals .total-row.grand strong {
        font-size: 13pt !important;
    }
    body.printing-invoice .bill-totals hr {
        margin: 4px 0 !important;
        border-top: 1px solid #000000 !important;
    }
    body.printing-invoice .invoice-terms {
        margin-bottom: 12px !important;
        padding: 8px 12px !important;
        font-size: 9pt !important;
        border: 1px solid #999999 !important;
        line-height: 1.35 !important;
    }
    body.printing-invoice .invoice-terms h4 {
        margin-bottom: 4px !important;
        font-size: 10pt !important;
    }
    body.printing-invoice .invoice-signatures {
        margin-top: 24px !important;
    }
    body.printing-invoice .signature-box {
        width: 220px !important;
        font-size: 9.5pt !important;
    }
    
    /* Active printing of daily report */
    body.printing-report #printable-report-card,
    body.printing-report #printable-report-card * {
        visibility: visible;
    }
    
    body.printing-report #printable-report-card {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        padding: 0;
        margin: 0;
        border: none !important;
        box-shadow: none !important;
        background: #ffffff !important;
    }
    body.printing-report .report-header {
        padding: 12px 0 !important;
        border-bottom: 2px solid #000000 !important;
    }
    body.printing-report .report-summary-grid {
        margin-bottom: 16px !important;
        gap: 12px !important;
    }
    body.printing-report .r-summary-card {
        border: 1px solid #000000 !important;
        padding: 10px !important;
        background: #ffffff !important;
    }
    body.printing-report .table th,
    body.printing-report .table td {
        border-color: #000000 !important;
        padding: 6px 8px !important;
    }
    
    /* Hide modal frames and scrollbars during print */
    .modal {
        background: none !important;
        position: absolute !important;
        overflow: visible !important;
        display: block !important;
    }
    .modal-content {
        box-shadow: none !important;
        border: none !important;
        overflow: visible !important;
        width: 100% !important;
        max-width: 100% !important;
    }
    .hide-on-print {
        display: none !important;
    }
    .modal-body {
        overflow: visible !important;
        padding: 0 !important;
    }
    
    /* Force high contrast colors */
    .total-row.grand strong {
        color: #000000 !important;
    }
    .biz-logo {
        color: #000000 !important;
    }
    .bill-meta h3 {
        color: #000000 !important;
    }
}

/* Searchable Dropdown */
.searchable-select-wrapper { position: relative; }
.searchable-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    max-height: 220px;
    overflow-y: auto;
    z-index: 500;
    box-shadow: var(--shadow-md);
}
.searchable-dropdown .dropdown-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--bg-body);
    transition: background 0.15s;
}
.searchable-dropdown .dropdown-item:hover, .searchable-dropdown .dropdown-item.active {
    background: var(--primary-light);
    color: var(--primary-color);
}
.searchable-dropdown .dropdown-item.no-results {
    color: var(--text-light);
    cursor: default;
}

/* Logo & Product Image Upload Areas */
.logo-upload-area, .product-img-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    background: var(--bg-body);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s;
}
.logo-upload-area:hover, .product-img-upload-area:hover {
    border-color: var(--primary-color);
}
.logo-upload-area span, .product-img-upload-area span {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: 4px;
}
.logo-upload-area i, .product-img-upload-area i {
    color: var(--text-light);
    width: 24px;
    height: 24px;
}

/* Net Balance Amount in Invoice */
.net-balance-amount {
    font-size: 1.35rem !important;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
}
.net-balance-amount.owe { color: var(--danger-color) !important; background: var(--danger-light); }
.net-balance-amount.refund { color: var(--success-color) !important; background: var(--success-light); }
.net-balance-amount.even { color: var(--text-main) !important; }

/* Product card image */
.product-card-image {
    width: 100%;
    height: 140px;
    object-fit: cover;
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
}
.product-card-image img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}
.product-card-image-placeholder {
    color: var(--text-light);
    font-size: 2rem;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-body), #e2e8f0);
}

/* Delete product button danger outline */
.btn-outline-danger {
    background: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
}
.btn-outline-danger:hover {
    background: var(--danger-color);
    color: #ffffff;
}

/* --- RESPONSIVE MOBILE STYLES --- */
@media (max-width: 992px) {
    #btn-toggle-sidebar {
        display: flex !important;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 10000;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    /* Overlay background when sidebar is open */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 9999;
        display: none;
    }
    .sidebar-overlay.active {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .top-header {
        padding: 16px 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-card {
        position: static;
        margin-top: 24px;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .report-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .report-lists-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
        gap: 12px;
    }
    
    .form-row > [class*="col-"] {
        width: 100% !important;
        flex: none !important;
    }

    /* Stack search and filters on tablet/mobile & make inputs larger */
    .view-header-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .search-filter-group {
        flex-direction: column;
        align-items: stretch;
        max-width: 100%;
        gap: 10px;
    }

    .search-box input {
        padding: 12px 16px 12px 42px !important;
        font-size: 1rem !important;
    }

    .search-box i {
        width: 20px;
        height: 20px;
        left: 14px;
    }

    .form-control,
    .searchable-select-wrapper input,
    .search-filter-group select {
        font-size: 1rem !important;
        padding: 10px 14px !important;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .report-summary-grid {
        grid-template-columns: 1fr;
    }
}

/* Sync Status Indicator */
.sync-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    margin-right: 16px;
    color: var(--text-muted);
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: 9999px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.sync-indicator:hover {
    background-color: var(--bg-body);
    border-color: var(--text-light);
}

.sync-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #94a3b8;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.sync-indicator .dot.syncing {
    background-color: #3b82f6;
    animation: sync-pulse 1s infinite alternate;
}

.sync-indicator .dot.success {
    background-color: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.sync-indicator .dot.error {
    background-color: #ef4444;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

@keyframes sync-pulse {
    from {
        transform: scale(0.8);
        opacity: 0.5;
        box-shadow: 0 0 0 rgba(59, 130, 246, 0.2);
    }
    to {
        transform: scale(1.2);
        opacity: 1;
        box-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
    }
}

/* ==========================================================================
   Dark Mode variables
   ========================================================================== */
[data-theme="dark"] {
    --bg-body: #0f172a;             /* Slate 900 */
    --bg-card: #1e293b;             /* Slate 800 */
    --border-color: #334155;        /* Slate 700 */
    --text-main: #f8fafc;           /* Slate 50 */
    --text-muted: #94a3b8;          /* Slate 400 */
    --text-light: #475569;          /* Slate 600 */
    
    --primary-light: rgba(79, 70, 229, 0.15);
    --accent-light: rgba(13, 148, 136, 0.15);
    --success-light: rgba(16, 185, 129, 0.15);
    --danger-light: rgba(239, 68, 68, 0.15);
    --warning-light: rgba(245, 158, 11, 0.15);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
}

/* Apply Dark Mode background dot pattern override */
[data-theme="dark"] body {
    background-image: 
        radial-gradient(rgba(148, 163, 184, 0.05) 1.5px, transparent 1.5px);
}

/* Dark mode custom adjustments for charts, prints & date inputs */
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

[data-theme="dark"] .btn-secondary {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    color: var(--text-muted);
}
[data-theme="dark"] .btn-secondary:hover {
    background-color: var(--bg-body);
    color: var(--text-main);
}

[data-theme="dark"] .table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .searchable-dropdown .dropdown-item:hover,
[data-theme="dark"] .searchable-dropdown .dropdown-item.active {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* Brand Logo Image Styles */
.brand-logo-img {
    transition: transform var(--transition-fast);
}
.brand-logo-img:hover {
    transform: scale(1.03);
}
[data-theme="dark"] .brand-logo-img img {
    filter: invert(1);
}

/* Excel Upload Zone */
.excel-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    cursor: pointer;
    background: var(--bg-body);
    transition: all 0.2s;
    margin-bottom: 20px;
}
.excel-upload-zone:hover, .excel-upload-zone.dragover {
    border-color: var(--primary-color);
    background: var(--primary-light);
}

/* Import Preview Status & Row Colors */
.import-row-valid {
    color: var(--success-color);
    font-weight: 500;
}
.import-row-invalid {
    color: var(--danger-color);
    font-weight: 500;
}
.import-row-error-line {
    background-color: var(--danger-light) !important;
}

/* Sidebar Sync Indicator */
.sidebar-sync-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    margin-top: 6px;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.2s;
}

.sidebar-sync-indicator:hover {
    color: var(--text-main);
}

.sidebar-sync-indicator .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #94a3b8;
    display: inline-block;
    transition: background-color 0.3s, box-shadow 0.3s;
}

.sidebar-sync-indicator .dot.syncing {
    background-color: #3b82f6;
    animation: sync-pulse-mini 1s infinite alternate;
}

.sidebar-sync-indicator .dot.success {
    background-color: #10b981;
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.sidebar-sync-indicator .dot.error {
    background-color: #ef4444;
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
}

@keyframes sync-pulse-mini {
    from {
        transform: scale(0.9);
        opacity: 0.6;
    }
    to {
        transform: scale(1.1);
        opacity: 1;
    }
}

/* ==========================================================================
   Welcome Greeting Modal Styles
   ========================================================================== */

.welcome-modal-content {
    background: rgba(255, 255, 255, 0.75) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15) !important;
}

[data-theme="dark"] .welcome-modal-content {
    background: rgba(30, 41, 59, 0.75) !important; /* Slate 800 */
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4) !important;
}

.welcome-decor-1 {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
    pointer-events: none;
}

.welcome-decor-2 {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(13, 148, 136, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 1;
    pointer-events: none;
}

[data-theme="dark"] .welcome-decor-1 {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
}

[data-theme="dark"] .welcome-decor-2 {
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
}

.welcome-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px auto;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.25);
    animation: welcomePulse 2s infinite alternate;
}

.welcome-icon-wrapper i {
    width: 36px;
    height: 36px;
    color: #ffffff;
}

.welcome-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-main), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

[data-theme="dark"] .welcome-title {
    background: linear-gradient(135deg, #ffffff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-message {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
    font-weight: 400;
}

[data-theme="dark"] .welcome-message {
    color: var(--text-light);
}

.welcome-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.18);
    transition: all 0.2s ease;
}

.welcome-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(79, 70, 229, 0.28);
}

@keyframes welcomePulse {
    0% {
        transform: scale(1);
        box-shadow: 0 10px 25px rgba(79, 70, 229, 0.25);
    }
    100% {
        transform: scale(1.06);
        box-shadow: 0 12px 30px rgba(79, 70, 229, 0.4);
    }
}