:root {
    --bg: #f4f0e8;
    --panel: rgba(255, 252, 246, 0.92);
    --panel-border: rgba(46, 59, 54, 0.08);
    --text: #1e2724;
    --muted: #5c675f;
    --line: rgba(30, 39, 36, 0.09);
    --green: #8dbf4d;
    --green-deep: #56733d;
    --clay: #c96a3d;
    --ink: #21313d;
    --shadow: 0 24px 80px rgba(27, 28, 24, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background:
        radial-gradient(circle at top left, rgba(141, 191, 77, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(201, 106, 61, 0.16), transparent 26%),
        linear-gradient(180deg, #f8f4ec 0%, #f1ece3 100%);
}

body {
    margin: 0;
    color: var(--text);
    font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
}

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

.app-frame {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 28px;
    border-right: 1px solid var(--panel-border);
    background:
        linear-gradient(180deg, rgba(255, 251, 243, 0.92), rgba(245, 238, 226, 0.92)),
        repeating-linear-gradient(-45deg, transparent 0, transparent 16px, rgba(86, 115, 61, 0.03) 16px, rgba(86, 115, 61, 0.03) 18px);
}

.brand-block {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.brand-lockup {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.brand-lockup > span,
.mobile-brand > span {
    font-family: "Iowan Old Style", "Baskerville", serif;
    font-size: 0.96rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
}

.brand-divider {
    display: block;
    width: 72px;
    height: 1px;
    background: linear-gradient(90deg, rgba(33, 49, 61, 0.45), rgba(33, 49, 61, 0.14));
}

.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--green), #d4e779);
    display: grid;
    place-items: center;
}

.brand-mark span {
    width: 18px;
    height: 18px;
    border-radius: 999px;
    background: #f7ffcf;
}

.eyebrow {
    margin: 0 0 6px;
    font-size: 0.76rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}

.brand-block h1,
.page-intro h2,
.panel h3,
.panel h4 {
    margin: 0;
    font-family: "Iowan Old Style", "Baskerville", serif;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.brand-block h1 {
    font-size: 1.08rem;
    line-height: 1;
}

.nav-stack {
    display: grid;
    gap: 8px;
}

.nav-link {
    padding: 12px 14px;
    border-radius: 16px;
    color: var(--muted);
}

.nav-link-active,
.nav-link:hover {
    background: linear-gradient(135deg, rgba(86, 115, 61, 0.15), rgba(201, 106, 61, 0.10));
    color: var(--text);
}

.sidebar-note {
    margin-top: auto;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.68);
}

.auth-card {
    display: grid;
    gap: 10px;
}

.sidebar-note p,
.sidebar-note span {
    margin: 0;
}

.sidebar-note p {
    font-weight: 600;
}

.sidebar-note span {
    color: var(--muted);
}

.main-panel {
    padding: 28px;
}

.mobile-brand {
    display: none;
}

.mobile-auth {
    display: none;
}

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

.page-intro {
    display: grid;
    gap: 8px;
    max-width: 760px;
}

.page-intro h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 0.98;
}

.page-intro p:last-child {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.stats-grid,
.panel-grid,
.program-grid,
.action-grid,
.form-grid {
    display: grid;
    gap: 16px;
}

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

.panel-grid-two {
    grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
}

.calendar-layout {
    grid-template-columns: minmax(0, 1.5fr) 320px;
}

.program-grid,
.action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card,
.panel {
    border: 1px solid var(--panel-border);
    border-radius: 28px;
    background: var(--panel);
    box-shadow: var(--shadow);
}

.stat-card,
.panel {
    padding: 22px;
}

.stat-card strong {
    display: block;
    margin: 14px 0 10px;
    font-size: 2rem;
}

.muted,
.stat-card span,
.stat-card p,
.panel p,
.panel li,
.data-table,
.field-help {
    color: var(--muted);
}

.panel-header,
.table-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
}

.status-pill {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.9rem;
    background: rgba(141, 191, 77, 0.15);
    color: var(--green-deep);
}

.status-warning {
    background: rgba(201, 106, 61, 0.12);
    color: #9a4f2d;
}

.status-muted {
    background: rgba(33, 49, 61, 0.09);
    color: var(--ink);
}

.session-list,
.session-stack,
.payment-stack,
.feature-list {
    display: grid;
    gap: 14px;
}

.session-row,
.mini-session-card,
.payment-row,
.empty-state,
.action-card {
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
}

.session-row {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 14px;
    align-items: center;
}

.session-time {
    font-weight: 700;
    color: var(--ink);
}

.session-main,
.session-meta,
.program-meta,
.payment-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.snapshot-shell {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 16px;
    min-height: 260px;
}

.snapshot-hours,
.snapshot-board {
    position: relative;
}

.snapshot-hours span {
    position: absolute;
    right: 0;
    transform: translateY(-50%);
    font-size: 0.78rem;
    color: var(--muted);
}

.snapshot-board {
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.76);
    border: 1px solid var(--line);
    overflow: hidden;
    min-height: 260px;
}

.snapshot-line {
    position: absolute;
    left: 0;
    right: 0;
    border-top: 1px dashed rgba(30, 39, 36, 0.09);
}

.snapshot-card {
    position: absolute;
    min-height: 48px;
    padding: 10px 12px;
    border-radius: 18px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--session-color) 16%, white), rgba(255, 255, 255, 0.94));
    border: 1px solid color-mix(in srgb, var(--session-color) 32%, rgba(30, 39, 36, 0.08));
    box-shadow: 0 12px 30px rgba(27, 28, 24, 0.06);
}

.snapshot-card strong,
.mini-session-card strong {
    display: block;
    margin-bottom: 4px;
}

.snapshot-card span,
.mini-session-card span {
    display: block;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.35;
}

.trend-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.trend-card {
    border-radius: 24px;
    padding: 18px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
}

.trend-card-green {
    background:
        radial-gradient(circle at top right, rgba(141, 191, 77, 0.16), transparent 36%),
        rgba(255, 255, 255, 0.72);
}

.trend-card-clay {
    background:
        radial-gradient(circle at top right, rgba(201, 106, 61, 0.14), transparent 36%),
        rgba(255, 255, 255, 0.72);
}

.trend-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 10px;
}

.trend-card-head strong {
    display: block;
    margin-top: 6px;
    font-size: 2rem;
}

.trend-card-chart svg {
    width: 100%;
    height: auto;
    display: block;
}

.trend-line {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    filter: drop-shadow(0 8px 16px rgba(27, 28, 24, 0.08));
}

.trend-line-green {
    stroke: var(--green);
}

.trend-line-clay {
    stroke: var(--clay);
}

.trend-point-green {
    fill: var(--green);
}

.trend-point-clay {
    fill: var(--clay);
}

.trend-card-foot {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 0.72rem;
    text-align: center;
}

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

.table-cell-stack {
    display: grid;
    gap: 4px;
}

.table-cell-stack strong {
    color: var(--ink);
}

.table-cell-stack span {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.35;
}

.presence-count {
    display: inline-flex;
    min-width: 32px;
    min-height: 32px;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(141, 191, 77, 0.16);
    color: var(--green-deep);
    font-weight: 700;
}

.week-accordion-stack {
    display: grid;
    gap: 14px;
}

.week-accordion {
    border: 1px solid rgba(86, 115, 61, 0.12);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.7);
    overflow: hidden;
    box-shadow: 0 10px 24px rgba(27, 28, 24, 0.05);
}

.week-accordion-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
    background:
        linear-gradient(90deg, rgba(141, 191, 77, 0.2), rgba(255, 255, 255, 0.92) 38%, rgba(201, 106, 61, 0.12)),
        rgba(255, 255, 255, 0.9);
    border-left: 6px solid var(--green);
    transition: background 160ms ease, transform 160ms ease;
}

.week-accordion-summary::-webkit-details-marker {
    display: none;
}

.week-accordion-summary:hover {
    background:
        linear-gradient(90deg, rgba(141, 191, 77, 0.24), rgba(255, 255, 255, 0.96) 38%, rgba(201, 106, 61, 0.16)),
        rgba(255, 255, 255, 0.95);
}

.week-accordion[open] .week-accordion-summary {
    background:
        linear-gradient(90deg, rgba(141, 191, 77, 0.3), rgba(255, 255, 255, 0.96) 34%, rgba(201, 106, 61, 0.18)),
        rgba(255, 255, 255, 0.95);
}

.week-accordion-main {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.week-accordion-toggle {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    flex: 0 0 auto;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(33, 49, 61, 0.08);
    position: relative;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.week-accordion-toggle::before {
    content: "";
    position: absolute;
    top: 11px;
    left: 12px;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink);
    transform: rotate(-45deg);
    transition: transform 160ms ease, top 160ms ease;
}

.week-accordion[open] .week-accordion-toggle::before {
    top: 9px;
    transform: rotate(45deg);
}

.week-accordion-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.week-accordion-title {
    font-family: "Iowan Old Style", "Baskerville", serif;
    font-size: 1.22rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--ink);
}

.week-accordion-subtitle {
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.35;
}

.week-accordion-body {
    padding: 12px 16px 16px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0.78));
}

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

.data-table th,
.data-table td {
    padding: 14px 12px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

.data-table th {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.calendar-shell {
    min-height: 480px;
}

.empty-state {
    text-align: center;
}

.empty-state strong {
    display: block;
    margin-bottom: 8px;
}

.button-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.table-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.button,
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 14px;
    border: 1px solid rgba(86, 115, 61, 0.15);
    background: linear-gradient(135deg, rgba(141, 191, 77, 0.18), rgba(201, 106, 61, 0.10));
    color: var(--text);
    cursor: pointer;
}

.auth-button {
    width: 100%;
}

.auth-actions {
    display: grid;
    gap: 10px;
    width: 100%;
}

.auth-form {
    max-width: 760px;
}

.button-secondary {
    background: rgba(255, 255, 255, 0.76);
    border-color: var(--line);
}

.button-danger {
    background: rgba(201, 106, 61, 0.12);
    border-color: rgba(201, 106, 61, 0.28);
    color: #8d4427;
}

.field-group {
    display: grid;
    gap: 8px;
}

.field-span-2 {
    grid-column: 1 / -1;
}

.field-group label {
    font-weight: 600;
}

.field-group input,
.field-group select,
.field-group textarea {
    min-height: 44px;
    width: 100%;
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid rgba(30, 39, 36, 0.14);
    background: rgba(255, 255, 255, 0.85);
}

.field-group input[type="checkbox"] {
    min-height: auto;
    width: auto;
    padding: 0;
}

.checkbox-row {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.field-group textarea {
    min-height: 120px;
    resize: vertical;
}

.flash {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(141, 191, 77, 0.15);
}

.flash-error {
    background: rgba(201, 106, 61, 0.12);
    color: #9a4f2d;
}

.flash-warning {
    background: rgba(201, 106, 61, 0.12);
    color: #9a4f2d;
}

@media (max-width: 1080px) {
    .stats-grid,
    .panel-grid-two,
    .calendar-layout,
    .program-grid,
    .action-grid,
    .form-grid {
        grid-template-columns: 1fr;
    }

    .snapshot-shell {
        grid-template-columns: 56px 1fr;
    }

    .trend-strip {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .app-frame {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .main-panel {
        padding: 18px;
    }

    .mobile-brand {
        display: grid;
        gap: 6px;
        margin-bottom: 20px;
        color: var(--ink);
    }

    .mobile-auth {
        display: flex;
        margin-bottom: 20px;
    }

    .mobile-brand strong {
        font-family: "Iowan Old Style", "Baskerville", serif;
        font-size: 1.2rem;
        font-weight: 600;
        letter-spacing: -0.02em;
        line-height: 1;
    }
}