:root {
    --bg: #0f1012;
    --bg-panel: rgba(20, 22, 26, 0.92);
    --bg-panel-strong: rgba(24, 27, 31, 0.98);
    --bg-soft: rgba(255, 255, 255, 0.026);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(255, 255, 255, 0.13);
    --text: #f5f3ef;
    --text-muted: #a9adb6;
    --text-soft: #868b94;
    --accent: #e58b3a;
    --accent-2: #ffb66d;
    --accent-soft: rgba(229, 139, 58, 0.14);
    --positive: #58d38f;
    --negative: #ef6a72;
    --neutral: #ddb662;
    --shadow: 0 24px 64px rgba(0, 0, 0, 0.34);
    --shadow-soft: 0 12px 34px rgba(0, 0, 0, 0.22);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
}

* {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Inter", sans-serif;
    color: var(--text);
    background:
        radial-gradient(
            circle at top left,
            rgba(229, 139, 58, 0.11),
            transparent 22%
        ),
        radial-gradient(
            circle at top right,
            rgba(255, 182, 109, 0.05),
            transparent 18%
        ),
        linear-gradient(180deg, #0c0d0f 0%, #111418 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.22;
    pointer-events: none;
}

body.modal-open {
    overflow: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    color: inherit;
}

.site-shell {
    width: min(1280px, calc(100% - 40px));
    margin: 0 auto;
    padding: 24px 0 44px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    margin-bottom: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(16, 18, 22, 0.84);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
}

.brand {
    display: inline-block;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.045em;
}

.brand-subtitle {
    margin: 6px 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-links form {
    margin: 0;
}

.nav-links a,
.ghost-button,
.secondary-button,
.primary-button,
.sort-button {
    transition:
        background-color 140ms ease,
        border-color 140ms ease,
        color 140ms ease,
        transform 140ms ease,
        box-shadow 140ms ease;
}

.nav-links a,
.ghost-button,
.secondary-button,
.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    cursor: pointer;
}

.nav-links a:hover,
.ghost-button:hover,
.secondary-button:hover {
    background: rgba(255, 255, 255, 0.038);
    border-color: var(--line);
}

.secondary-button {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.025);
}

.secondary-button:hover {
    border-color: rgba(229, 139, 58, 0.3);
    box-shadow: inset 0 0 0 1px rgba(229, 139, 58, 0.1);
}

.primary-button {
    padding: 0 16px;
    border-color: rgba(229, 139, 58, 0.3);
    background: linear-gradient(
        180deg,
        rgba(229, 139, 58, 0.2),
        rgba(229, 139, 58, 0.12)
    );
    color: #fff3e5;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.primary-button:hover {
    border-color: rgba(255, 182, 109, 0.42);
    background: linear-gradient(
        180deg,
        rgba(229, 139, 58, 0.25),
        rgba(229, 139, 58, 0.14)
    );
}

.flash-stack {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
}

.flash {
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--bg-panel);
    box-shadow: var(--shadow-soft);
}

.flash.success {
    border-color: rgba(88, 211, 143, 0.2);
    background: linear-gradient(
        180deg,
        rgba(88, 211, 143, 0.08),
        rgba(20, 22, 26, 0.94)
    );
}

.flash.error {
    border-color: rgba(239, 106, 114, 0.2);
    background: linear-gradient(
        180deg,
        rgba(239, 106, 114, 0.08),
        rgba(20, 22, 26, 0.94)
    );
}

.page-content {
    display: grid;
    gap: 24px;
}

.hero-card,
.panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--bg-panel);
    box-shadow: var(--shadow-soft);
}

.hero-card::before,
.panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.018),
        transparent 34%
    );
    pointer-events: none;
}

.hero-card {
    padding: 30px;
}

.hero-card.compact {
    padding: 24px 28px;
}

.panel {
    padding: 22px;
}

.eyebrow {
    margin: 0 0 8px;
    color: var(--accent-2);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    letter-spacing: -0.05em;
}

h1 {
    font-size: clamp(2.15rem, 4.2vw, 3.7rem);
    line-height: 0.98;
}

h2 {
    font-size: 1.34rem;
    line-height: 1.15;
}

h3 {
    position: relative;
    z-index: 1;
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.2;
}

.muted-text {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.65;
}

.muted-text.small,
.tiny-text {
    font-size: 0.9rem;
}

.tiny-text {
    color: var(--text-soft);
}

.grid {
    display: grid;
    gap: 24px;
}

.two-col {
    grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.95fr);
}

.leaderboard-layout {
    grid-template-columns: minmax(0, 2.3fr) minmax(280px, 0.7fr);
}

.three-col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-col {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stack-gap {
    display: grid;
    gap: 18px;
}

.form-shell {
    display: grid;
    justify-content: center;
}

.form-shell.narrow {
    grid-template-columns: minmax(320px, 540px);
}

.form-card {
    display: grid;
    gap: 16px;
    align-content: start;
}

.form-card label {
    display: grid;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.form-card label > span {
    color: var(--text-soft);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-card input,
.form-card select,
.form-card textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.028);
    color: var(--text);
    padding: 12px 13px;
    outline: none;
    appearance: none;
}

.form-card textarea {
    resize: vertical;
    min-height: 112px;
}

.compact-form textarea {
    min-height: 92px;
}

.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
    border-color: rgba(229, 139, 58, 0.42);
    box-shadow: 0 0 0 4px rgba(229, 139, 58, 0.1);
}

.admin-layout .form-card {
    align-self: start;
}

.admin-layout {
    grid-template-columns: minmax(420px, 1.15fr) minmax(360px, 0.85fr);
}

.admin-layout > .grid {
    gap: 18px;
}

.panel-header {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
}

.panel-header-with-actions {
    align-items: center;
}

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

.chart-panel {
    min-height: 420px;
}

.chart-panel-large {
    min-height: 600px;
}

.chart-frame,
.chart-modal-frame {
    position: relative;
    min-height: 340px;
}

.chart-panel-large .chart-frame {
    min-height: 510px;
}

.chart-frame-interactive {
    cursor: zoom-in;
}

.chart-frame-interactive:focus-visible {
    outline: 2px solid rgba(229, 139, 58, 0.55);
    outline-offset: 5px;
}

.chart-panel canvas,
.chart-frame canvas,
.chart-modal-frame canvas {
    width: 100% !important;
    height: 100% !important;
}

.stat-panel,
.stat-card {
    display: grid;
    align-content: start;
}

.stat-list {
    display: grid;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row span {
    color: var(--text-muted);
}

.stat-card {
    gap: 10px;
    min-height: 128px;
}

.stat-card span {
    color: var(--text-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.stat-card strong {
    font-size: clamp(1.8rem, 3vw, 2.35rem);
    line-height: 1;
    letter-spacing: -0.06em;
}

.rank-move {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    font-weight: 650;
    letter-spacing: 0.01em;
}

.rank-up {
    color: #22c55e;
}

.rank-down {
    color: #ef4444;
}

.rank-flat {
    color: var(--text-muted);
}

.inline-filter-form select {
    min-width: 12rem;
}

.table-wrap {
    position: relative;
    z-index: 1;
    overflow-x: auto;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.018);
}

.small-table th,
.small-table td {
    padding: 12px 14px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    white-space: nowrap;
    vertical-align: top;
}

th {
    color: var(--text-soft);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

tbody tr {
    transition: background-color 140ms ease;
}

tbody tr:hover {
    background: rgba(255, 255, 255, 0.026);
}

tbody tr:last-child td,
tbody tr:last-child th {
    border-bottom: none;
}

td a {
    font-weight: 600;
}

td a:hover {
    color: var(--accent-2);
}

.sort-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.sort-button:hover {
    color: var(--text);
}

.sort-button.is-active {
    color: var(--accent-2);
}

.sort-indicator {
    color: var(--text-soft);
    font-size: 0.9em;
}

.sort-button.is-active .sort-indicator {
    color: var(--accent-2);
}

.leaderboard-controls {
    display: grid;
    gap: 8px;
    justify-items: end;
}

.session-filter-form {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.session-filter-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.session-filter-select {
    min-width: 220px;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.035);
    color: var(--text);
    outline: none;
}

.session-filter-select:focus {
    border-color: rgba(240, 138, 56, 0.42);
    box-shadow: 0 0 0 4px rgba(240, 138, 56, 0.12);
}

.compact-button {
    min-height: 42px;
}

.positive,
.negative,
.neutral {
    font-weight: 700;
}

.positive {
    color: var(--positive);
}

.negative {
    color: var(--negative);
}

.neutral {
    color: var(--neutral);
}

.event-feed {
    display: grid;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.event-feed.condensed {
    gap: 10px;
}

.event-card {
    display: grid;
    gap: 8px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.022);
}

.event-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.event-amount {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 26px;
    padding: 0 10px;
    border: 1px solid rgba(229, 139, 58, 0.25);
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-2);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.note-list {
    margin: 0;
    padding-left: 18px;
    color: var(--text-muted);
    white-space: normal;
}

.note-list li + li {
    margin-top: 6px;
}

.chart-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: none;
}

.chart-modal.is-open {
    display: block;
}

.chart-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 10, 12, 0.78);
    backdrop-filter: blur(6px);
}

.chart-modal-card {
    position: relative;
    z-index: 1;
    width: min(1320px, calc(100vw - 48px));
    max-height: calc(100vh - 48px);
    margin: 24px auto;
    padding: 22px;
    border: 1px solid var(--line-strong);
    border-radius: 18px;
    background: var(--bg-panel-strong);
    box-shadow: var(--shadow);
}

.chart-modal-frame {
    height: min(74vh, 820px);
}

.leaderboard-layout,
.session-layout {
    align-items: stretch;
}

.admin-layout {
    align-items: start;
}

.results-panel-full {
    display: block;
}

.table-scroll-open {
    overflow-x: auto;
    overflow-y: visible;
    max-height: none;
    padding-right: 0;
}

.chart-row {
    align-items: stretch;
}

.chart-panel-compact,
.session-insights-panel {
    display: flex;
    flex-direction: column;
}

.chart-panel-compact .chart-frame-compact {
    flex: 1;
    min-height: 220px;
    height: auto;
}

.session-results-table {
    min-width: 980px;
}

.session-results-table th,
.session-results-table td {
    vertical-align: top;
    white-space: nowrap;
}

.session-results-table th:last-child,
.session-results-table td:last-child {
    min-width: 18rem;
    width: 22rem;
    white-space: normal;
}

.session-results-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: rgba(16, 20, 28, 0.96);
    backdrop-filter: blur(6px);
}

.detail-grid {
    display: grid;
    gap: 0.9rem;
}

.detail-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line);
}

.detail-row:last-child {
    border-bottom: 0;
}

.button-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.secondary-button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-strong);
    border-radius: 12px;
    padding: 0.8rem 1rem;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.07);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 5.5rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.status-open {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.24);
}

.status-closed {
    color: #94a3b8;
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.inline-action-form {
    margin: 0;
}

.table-action-button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-strong);
    border-radius: 10px;
    padding: 0.45rem 0.7rem;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
}

.table-action-button:hover {
    background: rgba(255, 255, 255, 0.07);
}

.chart-frame-small {
    min-height: 260px;
}

.status-none {
    color: #94a3b8;
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.status-unpaid {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.24);
}

.status-partial {
    color: #fb923c;
    background: rgba(251, 146, 60, 0.12);
    border: 1px solid rgba(251, 146, 60, 0.24);
}

.status-paid {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.24);
}

.pill-paid {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.22);
}

.pill-cashout {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.22);
}

.pill-buyin {
    color: #60a5fa;
    background: rgba(96, 165, 250, 0.12);
    border: 1px solid rgba(96, 165, 250, 0.22);
}

.pill-front {
    color: #fb923c;
    background: rgba(251, 146, 60, 0.12);
    border: 1px solid rgba(251, 146, 60, 0.22);
}

.pill-front_collected {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.22);
}

.pill-front_writeoff {
    color: #f87171;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.22);
}

.pill-note {
    color: #cbd5e1;
    background: rgba(203, 213, 225, 0.08);
    border: 1px solid rgba(203, 213, 225, 0.14);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 5.5rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.status-owes {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.24);
}

.status-written_off {
    color: #f87171;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.24);
}

.status-collected {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.24);
}

.inline-action-form {
    margin: 0;
}

.table-action-button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-strong);
    border-radius: 10px;
    padding: 0.45rem 0.72rem;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition:
        background 140ms ease,
        border-color 140ms ease,
        transform 140ms ease;
}

.table-action-button:hover {
    background: rgba(255, 166, 77, 0.12);
    border-color: rgba(255, 166, 77, 0.28);
}

.table-action-button:active {
    transform: translateY(1px);
}

.table-action-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(255, 166, 77, 0.18);
    border-color: rgba(255, 166, 77, 0.35);
}

.admin-tools-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.debt-panel {
    display: grid;
    gap: 18px;
}

.debt-summary {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.debt-summary span {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0 12px;
    color: var(--text-muted);
    font-size: 0.86rem;
    font-weight: 700;
}

.debt-action-grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.import-form input[type="file"] {
    width: 100%;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.import-form input[type="file"]::file-selector-button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-strong);
    border-radius: 10px;
    padding: 0.55rem 0.8rem;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    margin-right: 0.75rem;
    cursor: pointer;
}

.import-form input[type="file"]::file-selector-button:hover {
    background: rgba(255, 166, 77, 0.12);
    border-color: rgba(255, 166, 77, 0.28);
}

.payout-summary-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.table-toolbar {
    display: flex;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.table-view-toggle.is-active {
    background: rgba(255, 166, 77, 0.12);
    border-color: rgba(255, 166, 77, 0.28);
}

.session-results-table.compact .detail-col {
    display: none;
}

.admin-cash-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(6, minmax(150px, 1fr));
    margin-bottom: 1rem;
}

@media (max-width: 1180px) {
    .admin-cash-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .profile-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .admin-cash-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .debt-action-grid {
        grid-template-columns: 1fr;
    }

    .debt-summary {
        justify-content: flex-start;
    }
}

@media (max-width: 520px) {
    .admin-cash-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 1100px) {
    .payout-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .payout-summary-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    .site-shell {
        width: min(100% - 24px, 100%);
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
        border-radius: 14px;
    }

    .two-col,
    .three-col,
    .four-col,
    .leaderboard-layout,
    .session-layout,
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .chart-panel-large .chart-frame {
        min-height: 360px;
    }
}

@media (max-width: 640px) {
    .site-shell {
        padding-top: 16px;
    }

    .topbar,
    .hero-card,
    .panel,
    .chart-modal-card {
        border-radius: 14px;
    }

    .topbar,
    .hero-card,
    .panel,
    .chart-modal-card {
        padding-left: 16px;
        padding-right: 16px;
    }

    h1 {
        font-size: 1.95rem;
    }

    .nav-links {
        width: 100%;
    }

    .nav-links a,
    .ghost-button,
    .secondary-button,
    .primary-button {
        min-height: 40px;
    }

    th,
    td {
        padding: 12px;
    }

    .chart-modal-card {
        width: min(100vw - 20px, 100%);
        margin: 10px auto;
        max-height: calc(100vh - 20px);
    }

    .chart-modal-frame {
        height: min(66vh, 680px);
    }
}

@media (max-width: 860px) {
    .leaderboard-header,
    .leaderboard-controls {
        align-items: start;
        justify-items: start;
    }

    .session-filter-form {
        width: 100%;
    }

    .session-filter-select {
        width: 100%;
    }
}