/* ═══════════════════════════════════════════
   Universem Dashboard — Custom CSS for Dash
   Colors from brand guidelines
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap');

:root {
    --navy: #1B2A4A;
    --navy-deep: #132039;
    --cyan: #00D4C8;
    --cyan-light: #00E8DA;
    --cyan-muted: #7DDDD6;
    --yellow: #F5C842;
    --yellow-light: #FFD95A;
    --coral: #F26B5B;
    --teal-dark: #0A8F8F;
    --white: #FFFFFF;
    --off-white: #F4F6F9;
    --gray-50: #EEF1F6;
    --gray-100: #DDE2EA;
    --gray-200: #B8C0CF;
    --gray-400: #7A849A;
    --gray-600: #4A5468;
    --gray-800: #2A3247;
}

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif !important;
    background: var(--off-white) !important;
    color: var(--gray-800);
    overflow-x: hidden;
}

/* ── Kill Dash default margins ── */
#react-entry-point,
._dash-loading {
    font-family: 'DM Sans', sans-serif !important;
}

.dash-table-container {
    font-family: 'DM Sans', sans-serif !important;
}

/* ═══════════════════════════════════════════
   LOGIN PAGE
   ═══════════════════════════════════════════ */

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    bottom: -120px;
    left: -80px;
    width: 400px;
    height: 400px;
    background: var(--cyan);
    border-radius: 50%;
    opacity: 0.08;
    filter: blur(60px);
}

.login-wrapper::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: var(--yellow);
    border-radius: 50%;
    opacity: 0.06;
    filter: blur(40px);
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    padding: 48px 40px;
    width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--cyan);
    border-radius: 14px;
    font-weight: 700;
    color: var(--navy);
    font-size: 22px;
    margin-bottom: 16px;
    position: relative;
}

.login-logo-mark::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: -4px;
    width: 22px;
    height: 22px;
    background: var(--yellow);
    border-radius: 50%;
    opacity: 0.6;
}

.login-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy);
}

.login-title span {
    color: var(--cyan);
}

.login-subtitle {
    font-size: 14px;
    color: var(--gray-400);
    margin-top: 4px;
}

.login-field {
    margin-bottom: 20px;
}

.login-field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.login-field input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-100);
    border-radius: 10px;
    font-size: 14px;
    font-family: 'DM Sans', sans-serif;
    color: var(--gray-800);
    transition: border-color 0.2s;
    outline: none;
    background: var(--gray-50);
}

.login-field input:focus {
    border-color: var(--cyan);
    background: var(--white);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

.login-btn:hover {
    background: var(--navy-deep);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(27, 42, 74, 0.3);
}

.login-error {
    color: var(--coral);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    margin-top: 12px;
}

/* ═══════════════════════════════════════════
   MAIN LAYOUT
   ═══════════════════════════════════════════ */

.app-container {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
    width: 260px;
    min-width: 260px;
    height: 100vh;
    background: var(--navy);
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    overflow: hidden;
    transition: width 0.3s ease, padding 0.3s ease, transform 0.3s ease;
}

.sidebar::before {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -40px;
    width: 200px;
    height: 200px;
    background: var(--cyan);
    border-radius: 50%;
    opacity: 0.12;
    filter: blur(40px);
    pointer-events: none;
}

.sidebar::after {
    content: '';
    position: absolute;
    top: 40%;
    right: -60px;
    width: 140px;
    height: 140px;
    background: var(--yellow);
    border-radius: 50%;
    opacity: 0.08;
    filter: blur(30px);
    pointer-events: none;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.sidebar-logo-mark {
    width: 38px;
    height: 38px;
    background: var(--cyan);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--navy);
    font-size: 16px;
    position: relative;
    flex-shrink: 0;
}

.sidebar-logo-mark::after {
    content: '';
    position: absolute;
    bottom: -3px;
    right: -3px;
    width: 16px;
    height: 16px;
    background: var(--yellow);
    border-radius: 50%;
    opacity: 0.6;
}

.sidebar-logo-text {
    font-weight: 700;
    font-size: 18px;
    color: var(--white);
    letter-spacing: 0.5px;
}

.sidebar-logo-text span {
    color: var(--cyan);
}

.nav-section {
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.nav-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.6px;
    color: var(--gray-400);
    margin-bottom: 4px;
    padding-left: 12px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 10px;
    color: var(--gray-200);
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 2px;
    text-decoration: none;
    position: relative;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    text-decoration: none;
}

.nav-item.active {
    background: rgba(0, 212, 200, 0.12);
    color: var(--cyan-light) !important;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 24px;
    background: var(--cyan);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    opacity: 0.7;
    flex-shrink: 0;
    stroke-width: 1.6;
}

.nav-item.active .nav-icon {
    opacity: 1;
}

.sidebar-footer {
    margin-top: auto;
    padding: 10px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--cyan), var(--teal-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: var(--white);
    flex-shrink: 0;
}

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

.sidebar-user-role {
    font-size: 11px;
    color: var(--gray-400);
}

/* ── Main content area ── */
.main-content {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
    min-width: 0;
    /* Prevent overflow */
}

.main-content.collapsed {
    margin-left: 80px;
}

.sidebar.collapsed {
    width: 80px;
    min-width: 80px;
    padding: 28px 12px;
}

.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-user-name,
.sidebar.collapsed .sidebar-user-role,
.sidebar.collapsed .nav-item span:not(:first-child) {
    /* span:not(:first-child) matches the text label since icon is in a span? No, icon is in Span, label is text node or div? Check layout.py */
    display: none !important;
}

/* Specifically target the text part of nav-item in layout.py */
.sidebar.collapsed .nav-text {
    display: none;
}

.sidebar.collapsed .sidebar-logo {
    justify-content: center;
}

.sidebar.collapsed .sidebar-logo-mark {
    margin: 0;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 11px 0;
}

.sidebar.collapsed .sidebar-footer {
    justify-content: center;
    padding: 14px 0;
}

/* Toggle Button */
.sidebar-toggle {
    position: absolute;
    top: 50%;
    /* Center vertically */
    transform: translateY(-50%);
    right: -12px;
    /* Overlap right edge */
    width: 24px;
    height: 24px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--navy);
    font-size: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    /* Ensure it's on top */
    transition: all 0.2s;
}

.sidebar-toggle:hover {
    background: var(--gray-50);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.sidebar.collapsed .sidebar-toggle {
    right: -12px;
    /* Keep it on the edge */
    transform: translateY(-50%) rotate(180deg);
}

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1102;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    background: var(--navy);
    color: var(--white);
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.mobile-menu-toggle:hover {
    background: var(--navy-deep);
}

/* ── Top bar ── */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 36px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -0.3px;
}

.page-title span {
    color: var(--cyan);
}

.page-breadcrumb {
    font-size: 12px;
    color: var(--gray-400);
    font-weight: 500;
    margin-top: 2px;
}

.topbar-filters {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--gray-50);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    border: 1px solid var(--gray-100);
    cursor: pointer;
}

.filter-pill:hover {
    border-color: var(--cyan);
}

/* ── Page content ── */
.page-content {
    padding: 24px 36px;
    flex: 1;
    min-width: 0;
    /* Prevents flex item from overflowing due to wide content */
}

/* ═══════════════════════════════════════════
   KPI CARDS
   ═══════════════════════════════════════════ */

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

.kpi-card {
    background: var(--white);
    border-radius: 16px;
    padding: 22px 24px;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: all 0.2s;
}

.kpi-card:hover {
    border-color: var(--cyan);
    box-shadow: 0 4px 20px rgba(0, 212, 200, 0.08);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

.kpi-card.cyan::before {
    background: var(--cyan);
}

.kpi-card.yellow::before {
    background: var(--yellow);
}

.kpi-card.coral::before {
    background: var(--coral);
}

.kpi-card.navy::before {
    background: var(--navy);
}

.kpi-card .blob {
    position: absolute;
    bottom: -20px;
    right: -10px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0.06;
    pointer-events: none;
}

.kpi-card.cyan .blob {
    background: var(--cyan);
}

.kpi-card.yellow .blob {
    background: var(--yellow);
}

.kpi-card.coral .blob {
    background: var(--coral);
}

.kpi-card.navy .blob {
    background: var(--navy);
    opacity: 0.08;
}

.kpi-label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 10px;
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 6px;
}

.kpi-sub {
    font-size: 12px;
    color: var(--gray-400);
}

/* ═══════════════════════════════════════════
   CARDS / CHART CONTAINERS
   ═══════════════════════════════════════════ */

.chart-card {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--gray-100);
    margin-bottom: 20px;
    min-width: 0;
    /* Critical for grid/flex overflow prevention */
    max-width: 100%;
}

.chart-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--navy);
    margin-bottom: 16px;
}

.charts-grid-2 {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.charts-grid-equal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.charts-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* ═══════════════════════════════════════════
   DROPDOWNS (Dash dcc.Dropdown override)
   ═══════════════════════════════════════════ */

.dash-dropdown .Select-control {
    border: 1.5px solid var(--gray-100) !important;
    border-radius: 10px !important;
    background: var(--white) !important;
    font-family: 'DM Sans', sans-serif !important;
    font-size: 13px !important;
    min-height: 40px !important;
}

.dash-dropdown .Select-control:hover {
    border-color: var(--cyan) !important;
}

.dash-dropdown .Select-value-label,
.dash-dropdown .Select-placeholder {
    font-family: 'DM Sans', sans-serif !important;
    font-size: 13px !important;
    color: var(--gray-600) !important;
}

.dash-dropdown .Select-menu-outer {
    border-radius: 10px !important;
    border: 1.5px solid var(--gray-100) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08) !important;
    font-family: 'DM Sans', sans-serif !important;
    font-size: 13px !important;
}

.filter-row {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-item {
    min-width: 200px;
    flex: 1;
}

.filter-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--gray-400);
    margin-bottom: 6px;
}

/* ═══════════════════════════════════════════
   DATA TABLES
   ═══════════════════════════════════════════ */

.dash-table-container .dash-spreadsheet-container {
    border-radius: 12px !important;
    overflow: hidden;
    border: 1px solid var(--gray-100) !important;
}

.dash-table-container .dash-header {
    background: var(--gray-50) !important;
    font-family: 'DM Sans', sans-serif !important;
    font-weight: 600 !important;
    font-size: 12px !important;
    color: var(--cyan) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    border-bottom: 2px solid var(--gray-100) !important;
}

.dash-table-container .dash-cell {
    font-family: 'DM Sans', sans-serif !important;
    font-size: 13px !important;
    color: var(--gray-800) !important;
    border-bottom: 1px solid var(--gray-50) !important;
    padding: 10px 12px !important;
}

.dash-table-container .dash-cell.focused {
    border: 1px solid var(--cyan) !important;
    outline: none !important;
}

/* ═══════════════════════════════════════════
   PLOTLY CHART OVERRIDES
   ═══════════════════════════════════════════ */

.js-plotly-plot .plotly .modebar {
    right: 10px !important;
    top: 5px !important;
}

.js-plotly-plot .plotly .modebar-btn {
    font-size: 14px !important;
}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.kpi-card {
    animation: fadeInUp 0.4s ease both;
}

.kpi-card:nth-child(1) {
    animation-delay: 0.05s;
}

.kpi-card:nth-child(2) {
    animation-delay: 0.1s;
}

.kpi-card:nth-child(3) {
    animation-delay: 0.15s;
}

.kpi-card:nth-child(4) {
    animation-delay: 0.2s;
}

.chart-card {
    animation: fadeInUp 0.4s ease both;
    animation-delay: 0.2s;
}

/* ═══════════════════════════════════════════
   DATE DROPDOWN (compact)
   ═══════════════════════════════════════════ */

.date-dropdown .Select-control {
    min-height: 34px !important;
    border-radius: 8px !important;
}

.date-dropdown .Select-value-label,
.date-dropdown .Select-placeholder {
    font-size: 12.5px !important;
    line-height: 32px !important;
}

/* ═══════════════════════════════════════════
   EXPORT BUTTON
   ═══════════════════════════════════════════ */

.export-btn-small,
.export-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
    padding: 6px 14px;
    background: var(--white);
    border: 1.5px solid var(--gray-100);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.15s;
}

.export-btn-small:hover,
.export-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    background: rgba(0, 212, 200, 0.04);
}

/* ═══════════════════════════════════════════
   TABLE IMPROVEMENTS
   ═══════════════════════════════════════════ */

.dash-table-container {
    width: 100%;
    overflow: hidden;
}

.dash-table-container .dash-spreadsheet-container {
    max-height: 600px;
    overflow: auto !important;
}

.dash-table-container .dash-spreadsheet-inner {
    min-width: 100% !important;
}

.dash-table-container table {
    table-layout: auto !important;
    width: 100% !important;
}

/* Hover rows */
.dash-table-container tr:hover td {
    background-color: rgba(0, 212, 200, 0.04) !important;
}

/* Tooltip */
.dash-table-tooltip {
    max-width: 500px !important;
    white-space: normal !important;
    font-family: 'DM Sans', sans-serif !important;
    font-size: 12px !important;
}

/* Cell text wrapping — allow expanding */
.dash-cell-value {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ═══════════════════════════════════════════
   COMPARISON KPI DELTA (domain vs domain)
   ═══════════════════════════════════════════ */

.kpi-value span {
    font-weight: 500;
    margin-left: 4px;
}

/* ═══════════════════════════════════════════
   TEMPORAL KPI DELTA (period vs period)
   ═══════════════════════════════════════════ */

.kpi-delta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    padding: 3px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
}

.kpi-delta.positive {
    background: rgba(46, 204, 113, 0.10);
    color: #1a9a5a;
}

.kpi-delta.negative {
    background: rgba(242, 107, 91, 0.10);
    color: #d94130;
}

.kpi-delta.neutral {
    background: var(--gray-50);
    color: var(--gray-400);
}

.kpi-delta-value {
    font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════
   ALERTS PAGE
   ═══════════════════════════════════════════ */

.alerts-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.alert-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 22px;
    background: var(--white);
    border-radius: 14px;
    border: 1px solid var(--gray-100);
    transition: all 0.2s;
    animation: fadeInUp 0.3s ease both;
}

.alert-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.alert-card.alert-positive {
    border-left: 4px solid #2ecc71;
}

.alert-card.alert-negative {
    border-left: 4px solid var(--coral);
}

.alert-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.alert-icon-positive {
    background: rgba(46, 204, 113, 0.12);
    color: #1a9a5a;
}

.alert-icon-negative {
    background: rgba(242, 107, 91, 0.12);
    color: #d94130;
}

.alert-body {
    flex: 1;
    min-width: 0;
}

.alert-type {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.alert-message {
    font-size: 14px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 2px;
}

.alert-detail {
    font-size: 12px;
    color: var(--gray-400);
    font-variant-numeric: tabular-nums;
}

.alerts-empty {
    text-align: center;
    padding: 80px 20px;
    background: var(--white);
    border-radius: 16px;
    border: 1px solid var(--gray-100);
}

.alerts-empty-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(46, 204, 113, 0.12);
    color: #1a9a5a;
    font-size: 24px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.alerts-empty-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 6px;
}

.alerts-empty-sub {
    font-size: 13px;
    color: var(--gray-400);
}

/* ═══════════════════════════════════════════
   RESPONSIVE — Full breakpoints
   ═══════════════════════════════════════════ */

/* ── Large desktops (default, > 1400px) ── */
/* No changes needed, this is the base layout */

/* ── Medium desktops / small laptops ── */
@media (max-width: 1400px) {
    .kpi-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .charts-grid-2,
    .charts-grid-equal {
        grid-template-columns: 1fr;
    }

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

/* ── Tablets / narrow desktops ── */
@media (max-width: 1200px) {
    /* Auto-collapse sidebar */
    .sidebar {
        width: 80px;
        min-width: 80px;
        padding: 28px 12px;
    }

    .sidebar .sidebar-logo-text,
    .sidebar .nav-label,
    .sidebar .sidebar-user-name,
    .sidebar .sidebar-user-role,
    .sidebar .nav-text {
        display: none;
    }

    .sidebar .sidebar-logo {
        justify-content: center;
    }

    .sidebar .nav-item {
        justify-content: center;
        padding: 11px 0;
    }

    .sidebar .sidebar-footer {
        justify-content: center;
        padding: 14px 0;
    }

    .sidebar-toggle {
        display: none;
    }

    .main-content {
        margin-left: 80px;
    }

    .page-content {
        padding: 20px 24px;
    }

    .topbar {
        padding: 14px 24px;
    }

    .page-title {
        font-size: 18px;
    }
}

/* ── Tablets portrait / large phones ── */
@media (max-width: 900px) {
    /* Sidebar becomes overlay */
    .sidebar {
        width: 260px;
        min-width: 260px;
        padding: 28px 20px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
        z-index: 1000;
    }

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

    .sidebar .sidebar-logo-text,
    .sidebar .nav-label,
    .sidebar .sidebar-user-name,
    .sidebar .sidebar-user-role,
    .sidebar .nav-text {
        display: block;
    }

    .sidebar .nav-item {
        justify-content: flex-start;
        padding: 11px 12px;
    }

    .sidebar .sidebar-footer {
        justify-content: flex-start;
        padding: 14px;
    }

    .sidebar-toggle {
        display: none;
    }

    .mobile-menu-toggle {
        display: inline-flex;
    }

    /* Overlay backdrop */
    .sidebar-backdrop {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    .sidebar-backdrop.visible {
        display: block;
    }

    .main-content,
    .main-content.collapsed {
        margin-left: 0;
    }

    .topbar {
        padding: 14px 20px;
        padding-left: 60px; /* Room for burger toggle */
    }

    .page-content {
        padding: 16px 20px;
    }

    .kpi-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .kpi-card {
        padding: 16px 18px;
    }

    .kpi-value {
        font-size: 26px;
    }

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

    .chart-card {
        padding: 18px;
    }

    .filter-row {
        flex-direction: column;
        gap: 10px;
    }

    .filter-item {
        min-width: 100%;
    }

    /* Table horizontal scroll */
    .dash-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .dash-table-container .dash-spreadsheet-container {
        max-height: 400px;
    }

    .topbar-filters {
        gap: 8px;
    }

    .page-title {
        font-size: 17px;
    }

    .page-breadcrumb {
        display: none;
    }
}

/* ── Mobile phones ── */
@media (max-width: 600px) {
    .kpi-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .kpi-card {
        padding: 14px 16px;
    }

    .kpi-value {
        font-size: 24px;
    }

    .kpi-label {
        font-size: 11px;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 12px 16px;
        padding-left: 56px;
    }

    .topbar-filters {
        width: 100%;
    }

    .topbar-filters > div {
        flex: 1;
    }

    .page-content {
        padding: 12px 14px;
    }

    .chart-card {
        padding: 14px;
        border-radius: 12px;
    }

    .chart-card-title {
        font-size: 13px;
    }

    .export-btn,
    .export-btn-small {
        font-size: 11px;
        padding: 5px 10px;
    }

    /* Login responsive */
    .login-card {
        width: 90vw;
        padding: 32px 24px;
        margin: 16px;
    }

    .login-logo-mark {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }

    .login-title {
        font-size: 18px;
    }
}