/* ClimbUp Admin — internal-tool aesthetic.
   Distinct from the gym-console design system: denser, terminal-flavored,
   warm-stone neutrals + copper accent inherited from the brand. */

:root {
    color-scheme: light;
    --n-50:  oklch(98% 0.005 60);
    --n-100: oklch(95% 0.008 60);
    --n-200: oklch(90% 0.010 60);
    --n-300: oklch(82% 0.012 60);
    --n-500: oklch(58% 0.015 60);
    --n-700: oklch(36% 0.015 60);
    --n-900: oklch(18% 0.015 60);
    --copper: oklch(60% 0.135 45);
    --copper-dim: oklch(55% 0.110 45);
    --danger: oklch(55% 0.180 30);
    --ok: oklch(58% 0.120 145);

    --bg-base: var(--n-50);
    --bg-card: #ffffff;
    --text-primary: var(--n-900);
    --text-secondary: var(--n-700);
    --text-tertiary: var(--n-500);
    --border: var(--n-200);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.45;
    background: var(--bg-base);
    color: var(--text-primary);
}

.admin-shell {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
}

.admin-nav {
    background: var(--n-900);
    color: var(--n-100);
    padding: 16px 0;
    display: flex;
    flex-direction: column;
}
.admin-nav-brand {
    padding: 0 18px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.admin-nav-mark {
    background: var(--copper);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
}
.admin-nav-text {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--n-300);
}
.admin-nav-list {
    list-style: none;
    padding: 12px 0;
    margin: 0;
}
.admin-nav-list a {
    display: block;
    padding: 9px 18px;
    color: var(--n-300);
    text-decoration: none;
    font-size: 13px;
}
.admin-nav-list a:hover { background: rgba(255, 255, 255, 0.04); color: white; }
.admin-nav-list a.active {
    background: rgba(184, 92, 56, 0.16);
    color: white;
    border-inline-start: 2px solid var(--copper);
    padding-inline-start: 16px;
}

.admin-main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.admin-topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 22px;
    border-bottom: 1px solid var(--border);
    background: white;
}
.admin-brand-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.admin-user { margin-inline-start: auto; font-size: 13px; color: var(--text-secondary); }

.admin-content {
    padding: 24px;
    overflow-y: auto;
}

h1 {
    font-size: 22px;
    margin: 0 0 4px;
    letter-spacing: -0.01em;
}
.admin-page-sub {
    color: var(--text-secondary);
    margin: 0 0 20px;
    font-size: 13px;
}

.admin-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 12px;
}
.admin-stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
}
.admin-stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
}
.admin-stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 600;
    margin-top: 6px;
}

.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.admin-table th,
.admin-table td {
    padding: 10px 12px;
    text-align: start;
}
.admin-table thead th {
    background: var(--n-100);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}
.admin-table tbody tr + tr td { border-top: 1px solid var(--border); }

.admin-btn-primary {
    background: var(--copper);
    color: white;
    border: 0;
    border-radius: 6px;
    padding: 8px 14px;
    font-weight: 600;
    cursor: pointer;
    font-size: 13px;
}
.admin-btn-primary:hover { background: var(--copper-dim); }
.admin-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.admin-btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 12px;
}
.admin-btn-ghost:hover { background: var(--n-100); }

.admin-auth-shell {
    display: grid;
    place-items: center;
    min-height: 100vh;
    background: var(--n-100);
}
.admin-auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 28px 24px;
    width: min(380px, 92vw);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}
.admin-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}
.admin-field > span {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
}
.admin-field input {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 9px 11px;
    font-size: 14px;
    background: white;
}
.admin-field input:focus {
    outline: 2px solid var(--copper);
    outline-offset: -1px;
    border-color: transparent;
}
.admin-error {
    background: oklch(96% 0.04 30);
    color: var(--danger);
    border: 1px solid oklch(86% 0.10 30);
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 12px;
    margin-bottom: 12px;
}

/* Page head + utility chrome */
.admin-page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}
.admin-page-head a, .admin-page-head button { flex-shrink: 0; }
.admin-search {
    align-self: center;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 7px 10px;
    font-size: 13px;
    min-width: 260px;
    background: white;
}

/* Status pills */
.admin-pill-ok, .admin-pill-muted {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.admin-pill-ok { background: oklch(94% 0.06 145); color: var(--ok); }
.admin-pill-muted { background: var(--n-100); color: var(--text-tertiary); }

code {
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--n-100);
    padding: 1px 6px;
    border-radius: 4px;
}

/* Forms */
.admin-form {
    max-width: 560px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
}
.admin-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.admin-form textarea {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 9px 11px;
    font: inherit;
    background: white;
    resize: vertical;
}
.admin-form textarea:focus {
    outline: 2px solid var(--copper);
    outline-offset: -1px;
    border-color: transparent;
}

/* Bar chart (analytics) */
.admin-bar-chart {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
}
.admin-bar-row {
    display: grid;
    grid-template-columns: 180px 1fr 56px;
    gap: 12px;
    align-items: center;
    font-size: 13px;
}
.admin-bar-label {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.admin-bar-track {
    background: var(--n-100);
    border-radius: 4px;
    height: 12px;
    overflow: hidden;
}
.admin-bar-fill {
    background: var(--copper);
    height: 100%;
    border-radius: 4px 0 0 4px;
}
.admin-bar-fill-alt { background: var(--ok); }
.admin-bar-fill-alt2 { background: oklch(55% 0.13 250); }
.admin-bar-value {
    text-align: end;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--text-primary);
}

h2 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

/* ============================================================
   Responsive — tablet & phone
   ============================================================ */

/* Tables scroll inside their own box instead of stretching the page */
@media (max-width: 1024px) {
    .admin-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .admin-table thead, .admin-table tbody, .admin-table tr {
        width: max-content;
        min-width: 100%;
    }
}

/* Sidebar collapses into a horizontal top nav */
@media (max-width: 899px) {
    .admin-shell {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    .admin-nav {
        flex-direction: row;
        align-items: center;
        padding: 0 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .admin-nav::-webkit-scrollbar { display: none; }
    .admin-nav-brand {
        padding: 10px 12px;
        border-bottom: 0;
        flex-shrink: 0;
    }
    .admin-nav-text { display: none; }
    .admin-nav-list {
        display: flex;
        padding: 0;
        align-items: stretch;
    }
    .admin-nav-list a {
        padding: 14px 12px;
        white-space: nowrap;
    }
    .admin-nav-list a.active {
        border-inline-start: 0;
        border-bottom: 2px solid var(--copper);
        padding-inline-start: 12px;
    }
    .admin-main { overflow: visible; }
    .admin-topbar {
        flex-wrap: wrap;
        gap: 8px;
        padding: 8px 14px;
    }
    .admin-content { padding: 14px; }
    .admin-page-head { flex-wrap: wrap; }
    .admin-search { min-width: 0; width: 100%; }
}

@media (max-width: 560px) {
    .admin-form-row { grid-template-columns: 1fr; }
    .admin-stat-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
    .admin-stat-value { font-size: 22px; }
    h1 { font-size: 19px; }
    .admin-brand-tag { display: none; }
}