/* ============================================================
   TRUSTONE HEALTH LEDGER - Global Design System
   Color palette: Blue #1a56e8 / White / Slate grays
   Font: Inter (matching Edulog UI attachment style)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
    --primary: #1a56e8;
    --primary-dark: #0a3dbf;
    --primary-light: #e8f0fd;
    --primary-pale: #f0f5ff;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #06b6d4;
    --info-light: #cffafe;

    --bg: #f0f5ff;
    --bg-sidebar: #fff;
    --bg-card: #ffffff;
    --bg-hover: #f8faff;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;

    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);
    --shadow: 0 4px 16px rgba(26, 86, 232, .1);
    --shadow-lg: 0 8px 32px rgba(26, 86, 232, .15);

    --sidebar-w: 250px;
    --topbar-h: 68px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --transition: .2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ─── Reset ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: var(--primary);
}

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

img,
svg {
    display: block;
    max-width: 100%;
}

ul,
ol {
    list-style: none;
}

input,
select,
textarea,
button {
    font-family: var(--font);
    outline: none;
}

/* ─── Layout ─────────────────────────────────────────────────── */
.app-layout {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
    min-height: 100vh;
}

/* ─── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    grid-row: 1 / -1;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border-light);
    min-height: var(--topbar-h);
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    flex-shrink: 0;
}

.sidebar-brand-text .app-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.sidebar-brand-text .app-sub {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 12px;
    overflow-y: auto;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 10px 8px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    margin-bottom: 2px;
    position: relative;
}

.nav-item:hover {
    background: var(--primary-pale);
    color: var(--primary);
}

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

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 3px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-item .nav-icon svg {
    width: 16px;
    height: 16px;
    stroke-width: 1.8;
}

/* ─── Lucide icon utility sizes ─────────────────────────────── */
.icon-xs svg {
    width: 12px;
    height: 12px;
}

.icon-sm svg {
    width: 14px;
    height: 14px;
    stroke-width: 1.8;
}

.icon-md svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.8;
}

.icon-lg svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.6;
}

.icon-xl svg {
    width: 28px;
    height: 28px;
    stroke-width: 1.5;
}

.stat-icon svg {
    width: 26px;
    height: 26px;
    stroke-width: 1.6;
}

.sidebar-signout svg {
    width: 15px;
    height: 15px;
    vertical-align: middle;
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-light);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: var(--primary-pale);
}

.sidebar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.sidebar-user-info .user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

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

.sidebar-signout {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: 4px;
}

.sidebar-signout:hover {
    background: var(--danger-light);
}

/* ─── Top Bar ────────────────────────────────────────────────── */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 90;
}

.topbar-hamburger {
    display: none;
    width: 36px;
    height: 36px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: background var(--transition);
}

.topbar-hamburger:hover {
    background: var(--primary-pale);
}

.topbar-hamburger span {
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all var(--transition);
}

.topbar-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.topbar-search {
    flex: 1;
    max-width: 380px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 8px 16px;
    margin-left: 8px;
}

.topbar-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--text-primary);
}

.topbar-search input::placeholder {
    color: var(--text-muted);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.topbar-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    font-size: 17px;
    color: var(--text-secondary);
}

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

.topbar-notif-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background: var(--danger);
    border-radius: 50%;
    border: 1.5px solid #fff;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px 6px 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    cursor: pointer;
    transition: all var(--transition);
}

.topbar-user:hover {
    background: var(--primary-pale);
}

.topbar-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 11px;
}

.topbar-user-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.topbar-lab-badge {
    font-size: 10px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

/* ─── Main Content ───────────────────────────────────────────── */
.main-content {
    padding: 28px;
    overflow-y: auto;
    min-height: 0;
}

/* ─── Page Header ────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.page-header .page-sub {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

.page-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ─── Stat Cards ─────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: currentColor;
    opacity: .05;
}

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

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

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

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

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

.stat-icon.red {
    background: var(--danger-light);
    color: var(--danger);
}

.stat-icon.cyan {
    background: var(--info-light);
    color: var(--info);
}

.stat-info .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-info .stat-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.stat-info .stat-sub {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border-light);
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 22px;
}

.card-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border-light);
    background: var(--bg);
}

/* ─── Dashboard Grid ─────────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 20px;
}

.dashboard-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ─── Charts ─────────────────────────────────────────────────── */
.chart-container {
    position: relative;
    height: 260px;
}

.chart-container-sm {
    position: relative;
    height: 200px;
}

/* ─── Tables ─────────────────────────────────────────────────── */
.table-wrap {
    overflow-x: auto;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.data-table thead th {
    background: var(--bg);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

.data-table tbody td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.data-table td .patient-name {
    font-weight: 600;
}

.data-table td .patient-code {
    font-size: 11px;
    color: var(--text-muted);
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.badge-success {
    background: var(--success-light);
    color: #065f46;
}

.badge-warning {
    background: var(--warning-light);
    color: #92400e;
}

.badge-danger {
    background: var(--danger-light);
    color: #991b1b;
}

.badge-info {
    background: var(--info-light);
    color: #155e75;
}

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

.badge-grey {
    background: var(--border-light);
    color: var(--text-secondary);
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

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

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

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

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

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

.btn-success:hover {
    filter: brightness(0.9);
}

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

.btn-danger:hover {
    filter: brightness(0.9);
}

.btn-warning {
    background: var(--warning);
    color: #fff;
    border-color: var(--warning);
}

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

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

.btn-sm {
    font-size: 12px;
    padding: 6px 12px;
}

.btn-lg {
    font-size: 15px;
    padding: 12px 24px;
}

.btn-icon {
    padding: 8px;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    justify-content: center;
}

.btn:disabled {
    opacity: .55;
    cursor: not-allowed;
}

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

.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

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

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 232, .1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control[readonly] {
    background: var(--bg);
    color: var(--text-secondary);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.form-error {
    font-size: 11px;
    color: var(--danger);
    margin-top: 4px;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 16px;
}

.alert-icon {
    font-size: 17px;
    flex-shrink: 0;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background: var(--danger-light);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-warning {
    background: var(--warning-light);
    color: #92400e;
    border: 1px solid #fcd34d;
}

.alert-info {
    background: var(--info-light);
    color: #155e75;
    border: 1px solid #67e8f9;
}

/* ─── Modals ─────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .55);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 620px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, .2);
    transform: translateY(20px);
    transition: transform var(--transition);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.open .modal {
    transform: translateY(0);
}

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

.modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    background: var(--bg);
    cursor: pointer;
    font-size: 17px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

/* ─── Status Timeline ────────────────────────────────────────── */
.status-timeline {
    display: flex;
    gap: 4px;
    align-items: center;
}

.status-step {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
}

.status-step.done {
    background: var(--success-light);
    color: #065f46;
}

.status-step.current {
    background: var(--primary-light);
    color: var(--primary);
}

.status-step.pending {
    background: var(--border-light);
    color: var(--text-muted);
}

.status-connector {
    width: 16px;
    height: 2px;
    background: var(--border);
    flex-shrink: 0;
}

/* ─── Progress Ring ─────────────────────────────────────────── */
.progress-ring {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring-label {
    position: absolute;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ─── Anomaly Alert Item ─────────────────────────────────────── */
.anomaly-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
}

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

.anomaly-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-top: 5px;
    flex-shrink: 0;
}

.anomaly-dot.high {
    background: var(--danger);
}

.anomaly-dot.medium {
    background: var(--warning);
}

.anomaly-dot.low {
    background: var(--info);
}

.anomaly-text .anomaly-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.anomaly-text .anomaly-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ─── Invoice Print Styles ───────────────────────────────────── */
.invoice-box {
    max-width: 700px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

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

.invoice-logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}

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

.invoice-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.invoice-table th {
    background: var(--primary);
    color: #fff;
    padding: 10px 14px;
    text-align: left;
    font-size: 13px;
}

.invoice-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}

.invoice-total {
    background: var(--primary-pale);
    font-weight: 700;
}

.invoice-footer {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

/* ─── Tabs ──────────────────────────────────────────────────── */
.tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.tab-btn {
    padding: 10px 18px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-muted);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2.5px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition);
}

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

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

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* ─── Loading Spinner ────────────────────────────────────────── */
.spinner {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    animation: spin .7s linear infinite;
}

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

/* ─── Banner / Hero ──────────────────────────────────────────── */
.hero-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    color: #fff;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
}

.hero-banner::after {
    content: '';
    position: absolute;
    bottom: -30px;
    right: 80px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
}

.hero-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

.hero-sub {
    font-size: 14px;
    opacity: .85;
}

.hero-emoji {
    font-size: 56px;
    z-index: 1;
}

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 20px;
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ─── Search Input ───────────────────────────────────────────── */
.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    background: #fff;
    transition: border-color var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 232, .1);
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--text-primary);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    color: var(--text-muted);
    font-size: 15px;
}

/* ─── AUTOCOMPLETE DROPDOWN ──────────────────────────────────── */
.autocomplete-wrapper {
    position: relative;
}

.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 500;
    max-height: 240px;
    overflow-y: auto;
    display: none;
}

.autocomplete-dropdown.open {
    display: block;
}

.ac-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13.5px;
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition);
}

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

.ac-item:hover {
    background: var(--primary-pale);
}

.ac-item .ac-name {
    font-weight: 600;
    color: var(--text-primary);
}

.ac-item .ac-sub {
    font-size: 11px;
    color: var(--text-muted);
}

/* ─── Sidebar Overlay (Mobile) ───────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    z-index: 99;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    :root {
        --sidebar-w: 260px;
    }

    .app-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100%;
        transform: translateX(-100%);
        z-index: 200;
        box-shadow: var(--shadow-lg);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.open {
        display: block;
    }

    .topbar {
        grid-column: 1;
    }

    .topbar-hamburger {
        display: flex;
    }

    .main-content {
        padding: 18px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-grid-3 {
        grid-template-columns: 1fr;
    }

    .form-grid-2,
    .form-grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar-search {
        display: none;
    }

    .hero-emoji {
        display: none;
    }

    .invoice-header {
        flex-direction: column;
        gap: 16px;
    }

    .invoice-meta {
        text-align: left;
    }
}

/* ─── Print ──────────────────────────────────────────────────── */
@media print {

    .sidebar,
    .topbar,
    .page-actions,
    .btn,
    .topbar-hamburger,
    .modal-overlay,
    .no-print {
        display: none !important;
    }

    .app-layout {
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    body {
        background: #fff;
    }
}

/* ─── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ─── Filter Bar ────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.filter-bar .filter-group {
    flex: 1;
    min-width: 180px;
    margin-bottom: 0;
}