:root {
    --primary-dark: #1B4332;
    --primary: #2D6A4F;
    --primary-light: #40916C;
    --accent: #52B788;
    --background: #F8FAF9;
    --card-bg: #FFFFFF;
    --input-bg: #FFFFFF;
    --border: #E5E7EB;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --sidebar-width: 260px;
    --table-hover: rgba(248, 250, 249, 0.8);
    --shadow-soft: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
    --background: #0E1512;
    --card-bg: #17201C;
    --input-bg: #1F2B26;
    --border: #2C3A34;
    --text-primary: #F3F4F6;
    --text-secondary: #B6C2BC;
    --text-muted: #8B9A92;
    --table-hover: rgba(255, 255, 255, 0.04);
    --shadow-soft: rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    overflow-x: hidden;
}

body.sidebar-open { overflow: hidden; }

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

/* Auth */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--background);
}

.auth-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    width: 100%;
    max-width: 420px;
}

.auth-logo {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(45, 106, 79, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 40px;
}

/* Layout */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--primary-dark);
    color: white;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-logo {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
    position: relative;
}

.sidebar-close {
    display: none;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
}

.sidebar-logo-icon {
    background: var(--primary-light);
    padding: 8px;
    border-radius: 10px;
    font-size: 24px;
}

.sidebar-logo h1 { font-size: 16px; margin: 0; font-weight: 700; }
.sidebar-logo p { font-size: 10px; margin: 0; color: rgba(255,255,255,0.6); }

.sidebar-nav { flex: 1; padding: 8px 12px; overflow-y: auto; }

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 8px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    margin-bottom: 2px;
    transition: all 0.15s;
}

.sidebar-link:hover { background: #264D3B; color: white; }
.sidebar-link.active {
    background: var(--primary);
    color: white;
    font-weight: 600;
    border-left: 3px solid var(--accent);
}

.sidebar-user {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-link {
    color: inherit;
    text-decoration: none;
    border-radius: 8px;
    padding: 2px 4px;
    margin: -2px -4px;
    transition: background 0.15s ease;
}
.sidebar-user-link:hover { background: rgba(255, 255, 255, 0.08); color: white; }
.sidebar-user-name { font-size: 13px; font-weight: 600; }
.sidebar-user-role { font-size: 11px; color: rgba(255,255,255,0.6); }
.sidebar-user-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    margin-top: 4px;
}
.sidebar-settings,
.sidebar-logout {
    background: rgba(255,255,255,0.1);
    color: white;
    border: none;
    font-size: 11px;
    text-decoration: none;
}
.sidebar-settings:hover,
.sidebar-logout:hover {
    background: rgba(255,255,255,0.18);
    color: white;
}
.sidebar-settings.active {
    background: var(--primary);
    color: white;
}

.sidebar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.header-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.header h2 { margin: 0; font-size: 20px; font-weight: 600; }
.header-date { font-size: 13px; white-space: nowrap; }

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card-bg);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 90;
}

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

.page-content { padding: 24px; flex: 1; }

.footer {
    padding: 12px 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 12px;
    text-align: center;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 16px;
}

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (max-width: 1400px) { .kpi-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1000px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .kpi-grid { grid-template-columns: 1fr; } }

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

.kpi-card .kpi-label { font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.kpi-card .kpi-value { font-size: 22px; font-weight: 700; }
.kpi-card .kpi-unit { font-size: 11px; color: var(--text-muted); }
.kpi-card .kpi-change { font-size: 11px; margin-top: 6px; }
.kpi-card .kpi-change.positive { color: var(--success); }
.kpi-card .kpi-change.negative { color: var(--danger); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text-secondary); }

.form-control, .form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: var(--input-bg);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.15);
}

.password-field-wrapper {
    position: relative;
}

.password-field-wrapper .password-field-input {
    padding-right: 44px;
}

.password-toggle-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.password-toggle-btn:hover {
    color: var(--primary);
    background: rgba(45, 106, 79, 0.08);
}

.password-toggle-btn:focus {
    outline: none;
    color: var(--primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.15);
}

.password-toggle-btn .icon-eye-hide {
    display: none;
}

.password-toggle-btn.is-visible .icon-eye-show {
    display: none;
}

.password-toggle-btn.is-visible .icon-eye-hide {
    display: block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.15s;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-light); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-primary); }
.btn-outline:hover { background: var(--background); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Tables */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
.data-table tr:hover td { background: var(--table-hover); }
.data-table tr.row-total td {
    background: rgba(64, 145, 108, 0.08);
    font-weight: 600;
}

.table-wrapper { overflow-x: auto; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

@media (max-width: 1000px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-error { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }
.alert-warning { background: #FEF3C7; color: #92400E; border: 1px solid #FDE68A; }

/* Chart placeholder */
.chart-container { height: 280px; position: relative; }
.chart-bar-group { display: flex; align-items: flex-end; gap: 8px; height: 220px; padding-top: 20px; }
.chart-bar {
    flex: 1;
    background: var(--primary-light);
    border-radius: 4px 4px 0 0;
    min-height: 4px;
    position: relative;
    transition: height 0.3s;
}
.chart-bar-label { text-align: center; font-size: 10px; color: var(--text-muted); margin-top: 6px; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab {
    padding: 10px 16px;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    font-family: inherit;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* Quick actions */
.quick-actions { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.quick-action {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 13px;
    transition: all 0.15s;
}
.quick-action:hover { border-color: var(--primary); background: rgba(45,106,79,0.05); }

/* Badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
}
.badge-admin { background: #DBEAFE; color: #1D4ED8; }
.badge-user { background: #E5E7EB; color: #374151; }

/* Pagination */
.pagination { display: flex; gap: 4px; margin-top: 16px; }
.pagination a, .pagination span {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-primary);
}
.pagination .active { background: var(--primary); color: white; border-color: var(--primary); }
.pagination-disabled { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--text-muted); }
.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}
.pagination-meta { font-size: 12px; color: var(--text-secondary); }

/* Record actions */
.record-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.inline-form { display: inline; margin: 0; }

/* Edit record modal */
body.modal-open { overflow: hidden; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    overflow-y: auto;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 760px;
    max-height: calc(100vh - 40px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
    transform: translateY(12px);
    transition: transform 0.2s ease;
    margin: auto;
    flex-shrink: 0;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(180deg, #fff 0%, var(--background) 100%);
    flex-shrink: 0;
}

#editRecordForm {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.modal-title { margin: 0; font-size: 18px; font-weight: 700; color: var(--primary-dark); }
.modal-subtitle { margin: 4px 0 0; font-size: 13px; color: var(--text-secondary); }

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 4px;
}

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

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    background: var(--background);
    flex-shrink: 0;
}

.record-search { border-radius: 14px; }

/* Import preview editable table */
.import-preview-table { margin-bottom: 8px; }
.import-edit-input {
    width: 100%;
    min-width: 72px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 12px;
    font-family: inherit;
    background: var(--input-bg);
    color: var(--text-primary);
}
.import-edit-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(45, 106, 79, 0.12);
}
.import-confirm-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding: 16px 20px;
    background: rgba(45, 106, 79, 0.08);
    border: 1px solid rgba(45, 106, 79, 0.2);
    border-radius: 12px;
}
.import-confirm-form { margin-top: 0; }

@media (max-width: 576px) {
    .modal-overlay { padding: 12px; align-items: flex-start; }
    .modal-dialog { max-height: calc(100vh - 24px); }
    .modal-header, .modal-body, .modal-footer { padding-left: 16px; padding-right: 16px; }
    .modal-footer .btn { flex: 1; }
}

/* Export cards */
.export-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 1200px) { .export-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .export-grid { grid-template-columns: 1fr; } }
.export-card {
    text-align: center;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 12px;
    transition: all 0.15s;
}
.export-card:hover { border-color: var(--primary); box-shadow: 0 4px 12px var(--shadow-soft); }
.export-card-active { border-color: var(--primary); background: rgba(64, 145, 108, 0.06); box-shadow: 0 4px 12px rgba(64, 145, 108, 0.12); }
.export-card .icon { font-size: 32px; margin-bottom: 12px; }
.export-status-alert { margin-bottom: 16px; }
.export-loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 20, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}
.export-loading-overlay.active { display: flex; }
body.export-loading { overflow: hidden; }
.export-loading-box {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 32px 36px;
    max-width: 360px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}
.export-loading-spinner {
    width: 44px;
    height: 44px;
    border: 4px solid #d8e2dc;
    border-top-color: var(--primary);
    border-radius: 50%;
    margin: 0 auto 18px;
    animation: export-spin 0.9s linear infinite;
}
.export-loading-title { font-size: 18px; font-weight: 600; color: var(--text-primary); margin: 0 0 8px; }
.export-loading-text { font-size: 14px; color: var(--text-secondary); margin: 0 0 8px; }
.export-loading-hint { font-size: 12px; color: var(--text-muted); margin: 0; line-height: 1.5; }
@keyframes export-spin { to { transform: rotate(360deg); } }
.export-download-btn:disabled { opacity: 0.75; cursor: wait; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.flex { display: flex; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* Dashboard extras */
.year-badge {
    display: inline-block;
    background: rgba(45, 106, 79, 0.12);
    color: var(--primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.year-badge-sm {
    display: inline-block;
    background: rgba(45, 106, 79, 0.1);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.chart-empty {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
}

.chart-container-sm { height: 240px; }

.page-intro { font-size: 14px; }

/* Data filters */
.filter-panel { border-radius: 14px; }
.filter-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.filter-panel-desc { font-size: 13px; color: var(--text-secondary); margin: 6px 0 0; }
.filter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.filter-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.filter-hint { font-size: 12px; margin: 12px 0 0; }
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-chip {
    display: inline-block;
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(45, 106, 79, 0.1);
    color: var(--primary);
    font-weight: 500;
}
.report-type-form { max-width: 400px; }

@media (max-width: 1000px) {
    .filter-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 576px) {
    .filter-grid { grid-template-columns: 1fr; }
    .filter-actions .btn { width: 100%; }
}

/* Add Data hub */
.add-data-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    border-radius: 16px;
    color: white;
    flex-wrap: wrap;
}

.hero-title { margin: 0 0 6px; font-size: 22px; font-weight: 700; }
.hero-subtitle { margin: 0; font-size: 14px; opacity: 0.85; max-width: 520px; }
.hero-stats { display: flex; gap: 16px; }
.hero-stat {
    background: rgba(255,255,255,0.15);
    padding: 12px 20px;
    border-radius: 12px;
    text-align: center;
    min-width: 100px;
}
.hero-stat-value { display: block; font-size: 24px; font-weight: 700; }
.hero-stat-label { font-size: 11px; opacity: 0.8; }

.tab-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    background: var(--card-bg);
    padding: 8px;
    border-radius: 14px;
    border: 1px solid var(--border);
}

.tab-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.15s;
    flex: 1;
    justify-content: center;
    min-width: 140px;
}

.tab-link:hover { background: var(--background); color: var(--primary); }
.tab-link.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(45, 106, 79, 0.25);
}

.tab-icon { font-size: 16px; }
.tab-link:disabled,
.tab-nav .tab-link[disabled] {
    opacity: 0.7;
    cursor: wait;
}

button.tab-link {
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
}

.add-data-tab-panel {
    min-height: 280px;
    transition: opacity 0.2s ease;
}

.add-data-tab-panel.is-loading {
    opacity: 0.92;
}

.tab-shimmer {
    animation: tabFadeIn 0.25s ease;
}

.tab-shimmer-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
}

.shimmer-line,
.shimmer-block {
    position: relative;
    overflow: hidden;
    background: var(--background);
    border-radius: 8px;
}

.shimmer-line::after,
.shimmer-block::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.45),
        transparent
    );
    animation: shimmerSweep 1.2s infinite;
}

[data-theme="dark"] .shimmer-line::after,
[data-theme="dark"] .shimmer-block::after {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent
    );
}

.shimmer-line {
    height: 14px;
    margin-bottom: 12px;
}

.shimmer-line-title { width: 38%; height: 20px; }
.shimmer-line-sub { width: 62%; margin-bottom: 24px; }
.shimmer-line-wide { width: 100%; }
.shimmer-line-medium { width: 72%; }

.shimmer-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.shimmer-block {
    height: 44px;
}

@keyframes shimmerSweep {
    100% { transform: translateX(100%); }
}

@keyframes tabFadeIn {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

.btn-link {
    border: none;
    background: none;
    color: var(--primary);
    cursor: pointer;
    font: inherit;
    text-decoration: underline;
    padding: 0;
}

.tab-panel { border-radius: 14px; }

.panel-header { margin-bottom: 24px; }
.panel-desc { font-size: 13px; margin-top: 6px; margin-bottom: 0; }

.form-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type { border-bottom: none; }
.form-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 8px;
}

.import-dropzone {
    border: 2px dashed var(--border);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    background: linear-gradient(180deg, var(--card-bg) 0%, var(--background) 100%);
    margin-bottom: 24px;
}

[data-theme="dark"] .alert-success { background: rgba(16, 185, 129, 0.15); color: #6EE7B7; border-color: rgba(16, 185, 129, 0.35); }
[data-theme="dark"] .alert-error { background: rgba(239, 68, 68, 0.15); color: #FCA5A5; border-color: rgba(239, 68, 68, 0.35); }
[data-theme="dark"] .alert-warning { background: rgba(245, 158, 11, 0.15); color: #FCD34D; border-color: rgba(245, 158, 11, 0.35); }
[data-theme="dark"] .badge-admin { background: rgba(59, 130, 246, 0.2); color: #93C5FD; }
[data-theme="dark"] .badge-user { background: rgba(255, 255, 255, 0.08); color: #D1D5DB; }

/* Settings */
.settings-layout {
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.settings-nav { padding: 0; overflow: hidden; }
.settings-nav-header { padding: 20px 20px 12px; border-bottom: 1px solid var(--border); }
.settings-nav-subtitle { font-size: 12px; margin: 6px 0 0; }

.settings-nav-list { display: flex; flex-direction: column; padding: 10px; gap: 4px; }

.settings-nav-link {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--text-primary);
    transition: background 0.15s ease, color 0.15s ease;
}

.settings-nav-link:hover { background: var(--background); color: var(--primary); }
.settings-nav-link.active {
    background: rgba(45, 106, 79, 0.12);
    color: var(--primary);
    box-shadow: inset 0 0 0 1px rgba(45, 106, 79, 0.18);
}

.settings-nav-icon { font-size: 18px; line-height: 1.2; }
.settings-nav-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.settings-nav-text strong { font-size: 14px; font-weight: 600; }
.settings-nav-text small { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

.settings-panel { min-height: 520px; }
.settings-panel-header { margin-bottom: 24px; }

.settings-account-badge {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--background);
    margin-bottom: 24px;
}

.settings-account-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.settings-account-name { font-size: 16px; font-weight: 600; }
.settings-account-meta { font-size: 12px; margin-top: 2px; }

.settings-theme-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--background);
    margin-bottom: 20px;
}

.settings-theme-card h4 { margin: 0 0 6px; font-size: 15px; }
.settings-theme-card p { margin: 0; font-size: 13px; }

.theme-switch {
    position: relative;
    display: inline-flex;
    width: 52px;
    height: 30px;
    flex-shrink: 0;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.theme-switch-slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.theme-switch-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 4px;
    top: 4px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}

.theme-switch input:checked + .theme-switch-slider {
    background: var(--primary);
}

.theme-switch input:checked + .theme-switch-slider::before {
    transform: translateX(22px);
}

.theme-switch input:focus + .theme-switch-slider {
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.2);
}

.settings-theme-preview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.settings-theme-preview-card {
    padding: 16px;
    border-radius: 14px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-theme-preview-card strong { font-size: 14px; }
.settings-theme-preview-card small { font-size: 12px; color: var(--text-muted); }
.settings-theme-preview-dot {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    margin-bottom: 6px;
}

.light-preview { background: #F8FAF9; }
.light-preview .settings-theme-preview-dot { background: #FFFFFF; border: 1px solid #E5E7EB; }
.dark-preview { background: #17201C; color: #F3F4F6; }
.dark-preview small { color: #9CA3AF; }
.dark-preview .settings-theme-preview-dot { background: #2D6A4F; }

.settings-legal-content section { margin-bottom: 20px; }
.settings-legal-content h4 { margin: 0 0 8px; font-size: 14px; color: var(--primary); }
.settings-legal-content p { margin: 0; font-size: 14px; line-height: 1.7; color: var(--text-secondary); }
.settings-legal-updated { font-size: 12px; margin-top: 8px; }

.settings-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.settings-contact-card {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--background);
}

.settings-contact-icon { font-size: 24px; display: block; margin-bottom: 10px; }
.settings-contact-card h4 { margin: 0 0 6px; font-size: 15px; }
.settings-contact-card p { margin: 0 0 8px; font-size: 13px; }
.settings-contact-card a { font-weight: 500; }

.settings-contact-note {
    padding: 18px 20px;
    border-radius: 14px;
    border: 1px solid rgba(45, 106, 79, 0.2);
    background: rgba(45, 106, 79, 0.08);
}

.settings-contact-note h4 { margin: 0 0 8px; font-size: 14px; }
.settings-contact-note p { margin: 0; font-size: 13px; line-height: 1.6; }

@media (max-width: 992px) {
    .settings-layout { grid-template-columns: 1fr; }
    .settings-nav-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .settings-nav-list,
    .settings-theme-preview,
    .settings-contact-grid { grid-template-columns: 1fr; }
    .settings-theme-card { flex-direction: column; align-items: flex-start; }
}

.import-dropzone-icon { font-size: 48px; margin-bottom: 12px; }
.import-dropzone-title { font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.import-dropzone-hint { font-size: 13px; color: var(--text-muted); margin: 0 0 20px; }

.import-form { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.import-file-input { display: none; }
.import-file-name { font-size: 13px; color: var(--text-secondary); }
.import-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 8px; }

.import-columns-info h4 { font-size: 13px; margin: 0 0 12px; color: var(--text-secondary); }
.column-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.column-tag {
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    background: var(--background);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.column-tag.required {
    background: rgba(45, 106, 79, 0.08);
    border-color: rgba(45, 106, 79, 0.2);
    color: var(--primary);
    font-weight: 500;
}

.preview-errors { margin: 8px 0 0; padding-left: 20px; }
.preview-note { font-size: 12px; margin-top: 12px; }
.alert-list { margin: 0; padding-left: 20px; }

/* Responsive layout */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    .sidebar.open { transform: translateX(0); }
    .sidebar-close { display: block; }

    .main-content { margin-left: 0; }
    .menu-toggle { display: flex; }

    .header h2 { font-size: 18px; }
    .page-content { padding: 16px; }
    .header { padding: 12px 16px; }
    .header-date { font-size: 11px; }
}

@media (max-width: 768px) {
    .header-date { display: none; }
    .quick-actions { grid-template-columns: 1fr; }
    .tab-link { min-width: 100%; }
    .add-data-hero { padding: 20px 16px; }
    .hero-title { font-size: 18px; }
    .import-dropzone { padding: 24px 16px; }
    .form-actions .btn { width: 100%; }
    .chart-container { height: 220px; }
    .chart-container-sm { height: 200px; }
    .kpi-card .kpi-value { font-size: 18px; }
    .card { padding: 16px; }
    .footer { font-size: 11px; padding: 10px 16px; }
}

@media (max-width: 480px) {
    .auth-card { padding: 24px 20px; }
    .sidebar { width: min(280px, 85vw); }
    .data-table { font-size: 12px; }
    .data-table th, .data-table td { padding: 8px 10px; }
}