/* ==========================================================================
   AG-Tech CSS Style Sheet - Designed with Taste-Skills Principles
   ========================================================================== */

:root {
    /* Brand Primary Accent - Premium Indigo-Blue */
    --primary: oklch(63% 0.16 260);
    --primary-hover: oklch(55% 0.18 260);
    --primary-muted: oklch(63% 0.16 260 / 10%);

    /* Dark Mode Neutrals - Tinted towards Hue 260 (Chroma 0.012) */
    --bg-color: oklch(13% 0.012 260);
    --sidebar-bg: oklch(16% 0.014 260);
    --card-bg: oklch(19% 0.015 260 / 75%);
    --card-hover: oklch(23% 0.016 260 / 90%);
    --border-color: oklch(25% 0.015 260 / 30%);
    --border-focus: oklch(63% 0.16 260 / 60%);

    /* Typography Contrast Compliance */
    --text-primary: oklch(96% 0.005 260);
    --text-secondary: oklch(82% 0.008 260);
    --text-muted: oklch(66% 0.01 260); /* WCAG 4.5:1 compliant on dark bg */

    /* Semantic Status (OKLCH) */
    --success: oklch(65% 0.16 145);
    --success-muted: oklch(65% 0.16 145 / 10%);
    --warning: oklch(78% 0.14 70);
    --warning-muted: oklch(78% 0.14 70 / 10%);
    --danger: oklch(62% 0.17 25);
    --danger-muted: oklch(62% 0.17 25 / 10%);

    /* Typography Stacks */
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-heading: 'Plus Jakarta Sans', sans-serif;

    /* Space System - Base 4pt scale */
    --space-2xs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Borders & Radius - Banned over-round (Max 12px on elements) */
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-sm: 4px;
    --radius-pill: 999px;

    /* Transition & Motion Rules - Fast (180ms cubic-bezier) */
    --transition: all 180ms cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 2px 8px oklch(10% 0.01 260 / 30%);
    --shadow-md: 0 8px 16px oklch(10% 0.01 260 / 40%);
    --shadow-lg: 0 16px 32px oklch(10% 0.01 260 / 50%);
}

/* General Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Layout Cấu Trúc App SPA */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 16px;
    position: fixed;
    height: 100vh;
    z-index: 10;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    margin-bottom: 32px;
}

.logo-icon {
    color: var(--primary);
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.4));
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    transition: var(--transition);
}

.nav-btn svg {
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
}

.nav-btn:hover svg {
    color: var(--primary);
    transform: translateX(2px);
}

.nav-btn.active {
    background-color: var(--primary-muted);
    color: var(--primary);
    font-weight: 600;
}

.nav-btn.active svg {
    color: var(--primary);
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px;
}

.avatar {
    width: 36px;
    height: 36px;
    background-color: var(--primary-muted);
    color: var(--primary);
    border: 1.5px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.username {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

/* Main Content Area */
.main-content {
    margin-left: 260px;
    flex-grow: 1;
    padding: 32px 40px;
    max-width: 1400px;
    width: calc(100% - 260px);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.content-header h1 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.current-date {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Tab Panels */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 180ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Bento Grid Layout */
.dashboard-bento {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.bento-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-xl);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(16px);
}

.bento-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-focus);
    background-color: var(--card-hover);
    box-shadow: var(--shadow-md);
}

.bento-revenue {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    min-height: 200px;
    padding: var(--space-xl);
    background: radial-gradient(circle at 80% 20%, oklch(63% 0.16 260 / 6%), transparent 50%), var(--card-bg);
}

.bento-revenue .bento-value {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--primary);
    margin: var(--space-xs) 0;
    font-variant-numeric: tabular-nums;
}

.bento-small {
    padding: var(--space-md) var(--space-lg);
}

.bento-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.bento-subtext {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

.bento-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.bento-badge {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.bento-small .bento-value {
    font-size: 32px;
    font-weight: 700;
    margin-top: var(--space-xs);
    color: var(--text-primary);
}

.bento-visual {
    position: absolute;
    right: -10px;
    bottom: -10px;
    opacity: 0.08;
    color: var(--primary);
    pointer-events: none;
}

.bento-watermark {
    display: block;
}

@media (max-width: 768px) {
    .dashboard-bento {
        grid-template-columns: 1fr;
    }
    .bento-revenue {
        grid-column: auto;
        grid-row: auto;
        min-height: auto;
    }
}

/* Dashboard Section Layout */
.dashboard-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Data Tables */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.scrollable-table {
    max-height: 250px;
    overflow-y: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.data-table th, .data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.empty-message {
    text-align: center;
    color: var(--text-muted);
    padding: 32px !important;
    font-style: italic;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
}

.badge-active {
    background-color: var(--primary-muted);
    color: var(--primary);
    border-color: oklch(63% 0.16 260 / 20%);
}

.badge-completed {
    background-color: var(--success-muted);
    color: var(--success);
    border-color: oklch(65% 0.16 145 / 20%);
}

.badge-warning {
    background-color: var(--warning-muted);
    color: var(--warning);
    border-color: oklch(78% 0.14 70 / 20%);
}

.badge-danger {
    background-color: var(--danger-muted);
    color: var(--danger);
    border-color: oklch(62% 0.17 25 / 20%);
}

/* Action Buttons & Forms */
.section-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 16px;
}

.search-box {
    position: relative;
    width: 320px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 16px;
    transition: var(--transition);
    user-select: none;
}

.btn-primary {
    background-color: var(--primary);
    color: oklch(100% 0 0);
    border-color: var(--primary);
}

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

.btn-secondary {
    background-color: oklch(100% 0 0 / 4%);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: oklch(100% 0 0 / 8%);
    border-color: var(--text-secondary);
}

.btn-danger {
    background-color: var(--danger-muted);
    color: var(--danger);
    border: 1px solid var(--danger-muted);
}

.btn-danger:hover {
    background-color: var(--danger);
    color: oklch(100% 0 0);
    border-color: var(--danger);
}

.btn-block {
    width: 100%;
}

.btn-action-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-action-icon:hover {
    background-color: oklch(100% 0 0 / 5%);
    color: var(--text-primary);
}

.btn-action-icon.btn-delete:hover {
    color: var(--danger);
    background-color: var(--danger-muted);
}

/* Facilities Cards Grid */
.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.facility-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 220px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
}

.facility-card:hover {
    border-color: var(--border-focus);
    background-color: var(--card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.facility-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    gap: 12px;
}

.facility-name {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.facility-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.facility-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.facility-detail-item svg {
    color: var(--text-muted);
    flex-shrink: 0;
    margin-top: 2px;
}

.facility-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

/* Lập Biên Bản Layout (2 Columns) */
.workorder-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: start;
}

.form-container, .signature-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
}

.form-subtitle {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-secondary);
    margin: 24px 0 16px 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background-color: oklch(0% 0 0 / 12%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 13.5px;
    font-family: var(--font-sans);
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    background-color: oklch(0% 0 0 / 20%);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' 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 14px center;
    padding-right: 40px;
}

textarea.form-control {
    resize: vertical;
}

/* Preview Box */
.facility-preview-box {
    background-color: rgba(99, 102, 241, 0.05);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    margin-bottom: 20px;
    font-size: 13px;
}

.preview-line {
    margin-bottom: 6px;
}

.preview-line:last-child {
    margin-bottom: 0;
}

/* Items Selector Inline Row */
.items-selector-row {
    display: grid;
    grid-template-columns: 2fr 0.8fr auto;
    gap: 12px;
    margin-bottom: 16px;
}

/* Totals Area */
.form-totals {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--text-secondary);
}

.total-row.grand-total {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
    margin-top: 4px;
}

/* Checkbox Container Styling */
.checkbox-container {
    display: inline-flex;
    align-items: center;
    position: relative;
    padding-left: 28px;
    cursor: pointer;
    font-size: 13px;
    user-select: none;
    color: var(--text-secondary);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--text-secondary);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary);
    border-color: var(--primary);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 4px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Disclaimer Checkbox Extra Margin */
.disclaimer-checkbox {
    margin-top: 16px;
    margin-bottom: 24px;
}

.disclaimer-checkbox .checkbox-container {
    align-items: flex-start;
}

.disclaimer-checkbox .checkmark {
    margin-top: 2px;
}

/* Signature Pad Area */
.signature-canvas-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    background-color: oklch(0% 0 0 / 15%);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-top: 8px;
    height: 180px;
    transition: var(--transition);
}

.signature-canvas-wrapper:focus-within {
    border-color: var(--primary);
}

.signature-canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
}

.btn-clear-sig {
    position: absolute;
    right: 8px;
    bottom: 8px;
    background-color: oklch(0% 0 0 / 60%);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 8px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-clear-sig:hover {
    background-color: var(--danger);
    color: oklch(100% 0 0);
    border-color: var(--danger);
}

/* Modal Backdrop & Windows */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: oklch(0% 0 0 / 70%);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal {
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    width: 500px;
    max-width: 95%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: modalShow 180ms cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
}

.modal-large {
    width: 850px;
}

@keyframes modalShow {
    from { opacity: 0; transform: scale(0.97); }
    to { opacity: 1; transform: scale(1); }
}

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

.modal-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
}

.btn-close-modal {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 70vh;
}

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

/* Print View Modal Body Styles */
.print-modal-body {
    background-color: #f9fafb;
    padding: 40px;
    color: #1f2937;
    border-radius: var(--radius-md);
}

/* Hide print area by default */
.print-only-container {
    display: none;
}

/* ==========================================================================
   PRINT MEDIA STYLESHEET (Biên bản nghiệm thu xuất PDF chuẩn A4)
   ========================================================================== */

@media print {
    /* Ẩn các cấu trúc giao diện ứng dụng web */
    body {
        background-color: white !important;
        color: black !important;
        font-family: 'Inter', sans-serif !important;
        font-size: 12px !important;
    }
    
    .no-print, 
    .app-container,
    .modal-backdrop,
    .modal {
        display: none !important;
    }

    /* Hiển thị vùng in chuyên dụng */
    .print-only-container {
        display: block !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 20px !important;
    }

    /* Bố cục biên bản nghiệm thu thiết kế báo chí tối giản */
    .print-receipt {
        max-width: 800px;
        margin: 0 auto;
        color: #111827;
    }

    .print-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 2px solid #111827;
        padding-bottom: 16px;
        margin-bottom: 24px;
    }

    .print-logo-section {
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .print-logo-name {
        font-family: 'Plus Jakarta Sans', sans-serif;
        font-size: 22px;
        font-weight: 800;
        letter-spacing: -0.02em;
    }

    .print-logo-sub {
        font-size: 10px;
        color: #4b5563;
    }

    .print-title-section {
        text-align: right;
    }

    .print-title {
        font-family: 'Plus Jakarta Sans', sans-serif;
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 4px;
        text-transform: uppercase;
    }

    .print-id {
        font-size: 11px;
        font-family: monospace;
        color: #374151;
    }

    .print-metadata-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        margin-bottom: 30px;
    }

    .print-meta-column h3 {
        font-family: 'Plus Jakarta Sans', sans-serif;
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: #4b5563;
        margin-bottom: 8px;
        border-bottom: 1px solid #d1d5db;
        padding-bottom: 4px;
    }

    .print-meta-line {
        margin-bottom: 4px;
        line-height: 1.4;
    }

    .print-notes-box {
        background-color: #f3f4f6;
        border-radius: 6px;
        padding: 12px 16px;
        margin-bottom: 24px;
        border-left: 3px solid #6366f1;
    }

    .print-notes-title {
        font-weight: 700;
        font-size: 11px;
        margin-bottom: 4px;
        text-transform: uppercase;
        color: #374151;
    }

    .print-table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 30px;
    }

    .print-table th, .print-table td {
        padding: 10px 12px;
        text-align: left;
        border-bottom: 1px solid #e5e7eb;
    }

    .print-table th {
        font-weight: 700;
        font-size: 10px;
        text-transform: uppercase;
        background-color: #f9fafb;
    }

    .print-table td {
        font-size: 11px;
    }

    .print-totals-box {
        width: 280px;
        margin-left: auto;
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-bottom: 40px;
        border-top: 1px dashed #d1d5db;
        padding-top: 12px;
    }

    .print-total-row {
        display: flex;
        justify-content: space-between;
        font-size: 11px;
    }

    .print-total-row.grand-total {
        font-size: 14px;
        font-weight: 700;
        border-top: 1px solid #111827;
        padding-top: 8px;
        margin-top: 4px;
    }

    .print-signature-area {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        text-align: center;
        margin-top: 50px;
        page-break-inside: avoid;
    }

    .print-sign-column h4 {
        font-weight: 600;
        font-size: 11px;
        text-transform: uppercase;
        margin-bottom: 60px;
    }

    .print-signature-image-wrapper {
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 8px;
    }

    .print-signature-img {
        max-height: 100%;
        max-width: 150px;
        object-fit: contain;
    }

    .print-signer-role {
        font-size: 10px;
        color: #4b5563;
    }
}

/* ==========================================================================
   CSS VARIABLES FOR LIGHT MODE & DYNAMIC THEMES
   ========================================================================== */
:root[data-theme="light"] {
    --bg-color: oklch(97% 0.006 260);
    --sidebar-bg: oklch(100% 0 0);
    --card-bg: oklch(99% 0.004 260 / 90%);
    --card-hover: oklch(95% 0.008 260);
    --border-color: oklch(90% 0.008 260 / 50%);
    --border-focus: oklch(63% 0.16 260 / 80%);
    
    --text-primary: oklch(20% 0.012 260);
    --text-secondary: oklch(40% 0.012 260);
    --text-muted: oklch(55% 0.012 260);
    
    --primary-muted: oklch(63% 0.16 260 / 8%);
    --success-muted: oklch(65% 0.16 145 / 8%);
    --warning-muted: oklch(78% 0.14 70 / 8%);
    --danger-muted: oklch(62% 0.17 25 / 8%);
    
    --shadow-sm: 0 2px 8px oklch(10% 0.01 260 / 8%);
    --shadow-md: 0 8px 16px oklch(10% 0.01 260 / 12%);
    --shadow-lg: 0 16px 32px oklch(10% 0.01 260 / 16%);
}

:root[data-theme="light"] select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234b5563' 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");
}

:root[data-theme="light"] .form-control {
    background-color: rgba(255, 255, 255, 0.9);
    color: #111827;
    border-color: rgba(0, 0, 0, 0.12);
}

:root[data-theme="light"] .form-control:focus {
    background-color: #ffffff;
}

:root[data-theme="light"] .nav-btn:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

:root[data-theme="light"] .stat-card {
    background-color: #ffffff;
}

/* ==========================================================================
   FLOATING CHATBOT WIDGET STYLING
   ========================================================================== */
.chatbot-container {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 9999;
    font-family: var(--font-sans);
}

.chatbot-toggle {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background-color: var(--primary);
    color: oklch(100% 0 0);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px oklch(63% 0.16 260 / 30%);
    transition: var(--transition);
}

.chatbot-toggle:hover {
    transform: scale(1.05);
    background-color: var(--primary-hover);
    box-shadow: 0 6px 18px oklch(63% 0.16 260 / 40%);
}

.chatbot-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background-color: var(--danger);
    color: oklch(100% 0 0);
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--sidebar-bg);
}

.chat-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 360px;
    height: 480px;
    background-color: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: chatOpen 180ms cubic-bezier(0.25, 0.8, 0.25, 1);
    backdrop-filter: blur(20px);
}

.chat-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: oklch(0% 0 0 / 10%);
}

.chat-logo {
    width: 30px;
    height: 30px;
    background-color: var(--primary);
    color: oklch(100% 0 0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
}

.chat-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.chat-status {
    font-size: 10px;
    color: var(--text-secondary);
    display: block;
}

.btn-close-chat {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 22px;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.btn-close-chat:hover {
    color: var(--text-primary);
}

.chat-body {
    flex-grow: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-msg {
    max-width: 85%;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
    line-height: 1.45;
}

.chat-msg p {
    margin-bottom: 0;
}

.bot-msg {
    align-self: flex-start;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-left-radius: 2px;
}

:root[data-theme="light"] .bot-msg {
    background-color: rgba(0, 0, 0, 0.04);
}

.user-msg {
    align-self: flex-end;
    background-color: var(--primary);
    color: white;
    border-bottom-right-radius: 2px;
}

.chat-footer {
    padding: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 8px;
    background-color: rgba(0, 0, 0, 0.08);
}

.chat-footer input {
    flex-grow: 1;
    background-color: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 13px;
}

:root[data-theme="light"] .chat-footer input {
    background-color: #ffffff;
}

.btn-send-chat {
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

/* ==========================================================================
   DOCUMENT HUB STYLING
   ========================================================================== */
.facility-docs-section {
    margin-top: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.docs-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: 0.03em;
}

.doc-list-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.doc-item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.15);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

:root[data-theme="light"] .doc-item-row {
    background-color: #ffffff;
}

.doc-item-row:hover {
    border-color: rgba(99, 102, 241, 0.2);
}

.doc-item-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 12.5px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.doc-item-link:hover {
    text-decoration: underline;
    color: var(--primary-hover);
}

.doc-btn-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    padding: 0 4px;
    line-height: 1;
}

.doc-btn-delete:hover {
    color: var(--danger);
}

.btn-add-doc-inline {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-add-doc-inline:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* Sub-tab styling for Estimate workflow */
.sub-tab-bar .btn-secondary {
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    transition: var(--transition);
}

.sub-tab-bar .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.sub-tab-bar .btn-secondary.active-sub-tab {
    background-color: var(--primary-muted);
    color: var(--primary);
    border-color: var(--primary);
    font-weight: 700;
}

:root[data-theme="light"] .sub-tab-bar .btn-secondary {
    background-color: rgba(0, 0, 0, 0.02);
}

:root[data-theme="light"] .sub-tab-bar .btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.06);
}

:root[data-theme="light"] .sub-tab-bar .btn-secondary.active-sub-tab {
    background-color: var(--primary-muted);
    color: var(--primary);
    border-color: var(--primary);
}

.workorder-layout.mode-estimate {
    grid-template-columns: 1fr !important;
}

@keyframes chatOpen {
    from { opacity: 0; transform: translateY(12px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}