/* ──────────────────────────────────────────────────────────────
   Lost at Night — design system (tokens + primitives)
   Imported by main.css and styles.css.
   ────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Night palette */
    --bg-0: oklch(0.16 0.045 290);
    --bg-1: oklch(0.20 0.055 290);
    --bg-2: oklch(0.245 0.06 288);
    --bg-3: oklch(0.295 0.065 286);
    --bg-4: oklch(0.36 0.07 284);

    --line: oklch(0.36 0.05 286 / 0.55);
    --line-soft: oklch(0.5 0.04 286 / 0.22);

    --ink-0: oklch(0.98 0.01 280);
    --ink-1: oklch(0.88 0.02 285);
    --ink-2: oklch(0.72 0.03 285);
    --ink-3: oklch(0.58 0.04 285);

    --accent: oklch(0.95 0.13 113);
    --accent-ink: oklch(0.22 0.05 100);
    --info: oklch(0.78 0.13 230);
    --good: oklch(0.78 0.16 150);
    --warn: oklch(0.82 0.17 75);
    --danger: oklch(0.72 0.18 25);

    /* Shape & spacing */
    --radius: 10px;
    --radius-lg: 14px;
    --shadow: 0 1px 0 oklch(1 0 0 / 0.04) inset, 0 8px 24px oklch(0 0 0 / 0.35);
    --gap: 12px;
    --topbar-h: 56px;
    --rail-w: 320px;

    /* Typography */
    --font-ui: 'Inter Tight', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* Mono helper — used for IDs, ranks, point counts, timers, coords. */
.mono {
    font-family: var(--font-mono);
    font-feature-settings: "tnum" 1, "ss01" 1;
}

/* ──────────── BUTTONS ──────────── */
.ds-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 36px;
    padding: 0 14px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--ink-1);
    cursor: pointer;
    text-decoration: none;
    transition: transform 80ms ease, filter 120ms, background 120ms, border-color 120ms, color 120ms;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
    white-space: nowrap;
}
.ds-btn:hover { background: var(--bg-3); color: var(--ink-0); }
.ds-btn:active { transform: translateY(1px); }
.ds-btn:disabled,
.ds-btn[disabled],
.ds-btn.disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

.ds-btn--sm { height: 28px; padding: 0 10px; font-size: 12px; border-radius: 6px; }
.ds-btn--md { height: 36px; padding: 0 14px; font-size: 13px; border-radius: 8px; }
.ds-btn--lg { height: 44px; padding: 0 18px; font-size: 14px; border-radius: 10px; }

.ds-btn--primary {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: transparent;
    font-weight: 600;
}
.ds-btn--primary:hover { background: var(--accent); color: var(--accent-ink); filter: brightness(1.04); }

.ds-btn--secondary {
    background: var(--bg-3);
    color: var(--ink-0);
    border-color: var(--line);
    font-weight: 500;
}
.ds-btn--secondary:hover { background: var(--bg-4); color: var(--ink-0); }

.ds-btn--ghost {
    background: transparent;
    color: var(--ink-1);
    border-color: var(--line);
}
.ds-btn--ghost:hover { background: var(--bg-3); color: var(--ink-0); }

.ds-btn--danger {
    background: transparent;
    color: var(--ink-2);
    border-color: var(--line);
}
.ds-btn--danger:hover { background: oklch(0.32 0.12 25 / 0.2); color: oklch(0.85 0.13 25); border-color: oklch(0.5 0.16 25 / 0.5); }

/* ──────────── PILLS ──────────── */
.ds-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 9px;
    height: 26px;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    border-radius: 999px;
    background: var(--bg-3);
    color: var(--ink-1);
    border: 1px solid var(--line);
    white-space: nowrap;
}
.ds-pill.mono { font-family: var(--font-mono); }
.ds-pill--accent  { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.ds-pill--ghost   { background: transparent; color: var(--ink-2); border-color: var(--line); }
.ds-pill--neutral { background: var(--bg-3); color: var(--ink-1); border-color: var(--line); }
.ds-pill--live    { background: oklch(0.32 0.12 150 / 0.35); color: oklch(0.92 0.16 150); border-color: oklch(0.5 0.16 150 / 0.5); }
.ds-pill--good    { background: oklch(0.32 0.12 150 / 0.35); color: oklch(0.92 0.16 150); border-color: oklch(0.5 0.16 150 / 0.5); }
.ds-pill--warn    { background: oklch(0.35 0.14 75 / 0.35); color: oklch(0.92 0.17 75); border-color: oklch(0.55 0.17 75 / 0.5); }
.ds-pill--info    { background: oklch(0.32 0.12 230 / 0.35); color: oklch(0.88 0.13 230); border-color: oklch(0.55 0.13 230 / 0.5); }

/* ──────────── SEGMENTED CONTROL ──────────── */
.ds-segmented {
    display: inline-flex;
    padding: 2px;
    gap: 2px;
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: 8px;
    height: 30px;
}
.ds-segmented__btn {
    padding: 0 10px;
    height: 24px;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-2);
    background: transparent;
    border: 0;
    border-radius: 6px;
    transition: background 120ms, color 120ms;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.ds-segmented__btn:hover { color: var(--ink-1); }
.ds-segmented__btn.is-active,
.ds-segmented__btn[aria-selected="true"] {
    background: var(--bg-3);
    color: var(--ink-0);
}

/* ──────────── PROGRESS BAR ──────────── */
.ds-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 140px;
}
.ds-progress__track {
    flex: 1;
    height: 6px;
    border-radius: 6px;
    background: var(--bg-1);
    border: 1px solid var(--line-soft);
    overflow: hidden;
    position: relative;
}
.ds-progress__fill {
    position: absolute;
    inset: 0;
    background: var(--accent);
    border-radius: inherit;
    transition: right 0.5s ease;
}
.ds-progress--gradient .ds-progress__fill {
    background: linear-gradient(90deg, oklch(0.7 0.15 290), oklch(0.85 0.16 280));
}
.ds-progress--good .ds-progress__fill { background: var(--good); }
.ds-progress__label {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--ink-2);
    white-space: nowrap;
}

/* ──────────── CARDS / FLOATING SURFACES ──────────── */
.ds-card {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    color: var(--ink-1);
}
.ds-floatcard {
    background: oklch(0.18 0.05 290 / 0.86);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
    color: var(--ink-1);
    min-width: 240px;
}
.ds-floatcard__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-bottom: 1px solid var(--line-soft);
    color: var(--ink-1);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.2px;
}
.ds-floatcard__header-left { display: flex; align-items: center; gap: 7px; }
.ds-floatcard__body { padding: 12px; }

/* ──────────── ICONS (thin-stroke SVG vocabulary) ────────────
   Usage: <svg class="ds-icon" viewBox="0 0 24 24"><use href="#icon-name"/></svg>
   Icons are rendered inline in templates — see _ds_icons.html for the sprite. */
.ds-icon {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.ds-icon--sm { width: 12px; height: 12px; }
.ds-icon--lg { width: 20px; height: 20px; }

/* ──────────── DARK SLIDER (range input) ──────────── */
.ds-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 22px;
    background: transparent;
    cursor: pointer;
    accent-color: var(--accent);
}
.ds-slider::-webkit-slider-runnable-track {
    height: 3px; border-radius: 2px;
    background: var(--bg-4);
}
.ds-slider::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 14px; height: 14px; margin-top: -5.5px;
    border-radius: 50%; background: var(--ink-0); border: 0;
    box-shadow: 0 0 0 1px oklch(0 0 0 / 0.3), 0 1px 3px oklch(0 0 0 / 0.4);
    cursor: pointer;
}
.ds-slider::-moz-range-track { height: 3px; border-radius: 2px; background: var(--bg-4); }
.ds-slider::-moz-range-thumb {
    width: 14px; height: 14px; border-radius: 50%; background: var(--ink-0); border: 0;
    box-shadow: 0 0 0 1px oklch(0 0 0 / 0.3), 0 1px 3px oklch(0 0 0 / 0.4);
    cursor: pointer;
}

/* ──────────── STATIC SCREEN BACKGROUND ──────────── */
body.ds-app {
    background: oklch(0.10 0.02 285);
    color: var(--ink-1);
    font: 14px/1.4 var(--font-ui);
    -webkit-font-smoothing: antialiased;
    margin: 0;
}

/* Decorative star background (used by Home + Login). */
.ds-stars {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}
.ds-stars::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(2px 2px at 12% 18%, oklch(0.95 0.05 280 / 0.4), transparent 50%),
      radial-gradient(1.5px 1.5px at 22% 78%, oklch(0.95 0.05 280 / 0.3), transparent 50%),
      radial-gradient(1.5px 1.5px at 38% 30%, oklch(0.95 0.05 280 / 0.45), transparent 50%),
      radial-gradient(2px 2px at 56% 64%, oklch(0.95 0.05 280 / 0.3), transparent 50%),
      radial-gradient(1.5px 1.5px at 71% 24%, oklch(0.95 0.05 280 / 0.4), transparent 50%),
      radial-gradient(1.5px 1.5px at 84% 56%, oklch(0.95 0.05 280 / 0.35), transparent 50%),
      radial-gradient(1px 1px at 94% 80%, oklch(0.95 0.05 280 / 0.4), transparent 50%);
}

/* Helper text colors */
.ds-text-0 { color: var(--ink-0); }
.ds-text-1 { color: var(--ink-1); }
.ds-text-2 { color: var(--ink-2); }
.ds-text-3 { color: var(--ink-3); }
.ds-text-accent { color: var(--accent); }
.ds-text-good { color: var(--good); }
.ds-text-warn { color: var(--warn); }

/* ──────────── LEAFLET CONTROLS — DS skin ────────────
   Applies wherever a Leaflet map is mounted (gettask, visited-map on
   user-profile, etc.) so the +/- and attribution match the dark theme. */
.leaflet-bar {
    border: 1px solid var(--line) !important;
    border-radius: 10px !important;
    box-shadow: 0 6px 16px oklch(0 0 0 / 0.45) !important;
    overflow: hidden;
}
.leaflet-bar a,
.leaflet-bar a:hover,
.leaflet-bar a:focus {
    background-color: oklch(0.20 0.055 290 / 0.92) !important;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    color: var(--ink-1) !important;
    border-bottom: 1px solid var(--line-soft) !important;
    transition: background-color 0.15s ease, color 0.15s ease;
}
.leaflet-bar a:last-child { border-bottom: none !important; }
.leaflet-bar a:hover {
    background-color: var(--bg-3) !important;
    color: var(--accent) !important;
}
.leaflet-bar a.leaflet-disabled {
    background-color: oklch(0.18 0.05 290 / 0.6) !important;
    color: var(--ink-3) !important;
    cursor: not-allowed;
}
.leaflet-control-attribution {
    background: oklch(0.20 0.055 290 / 0.7) !important;
    color: var(--ink-2) !important;
    border-radius: 6px 0 0 0 !important;
    font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--accent) !important; }

/* ──────────── PAGINATOR + RANKING/LEADERBOARD COMPONENTS ────────────
   Shared between /user-profile/ (global ranking) and /challenges/<id>/
   (per-challenge leaderboard). Anything page-specific (header rows,
   right padding, sort indicators on table headers) lives in the page. */
.rk-jump-btn {
    background: var(--bg-3) !important;
    border: 1px solid var(--line) !important;
    color: var(--ink-1) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    padding: 6px 14px !important;
    border-radius: 999px !important;
    cursor: pointer !important;
    line-height: 1 !important;
    box-shadow: none !important;
    transform: none !important;
    transition: background 120ms, color 120ms, border-color 120ms;
}
.rk-jump-btn:hover {
    background: var(--accent) !important;
    color: var(--accent-ink) !important;
    border-color: transparent !important;
}

.rk-pager {
    display: flex; gap: 6px;
    justify-content: center; align-items: center;
    margin-top: 14px; padding: 12px 0 22px;
    border-top: 1px solid var(--line-soft);
}
.rk-pager-btn {
    background: var(--bg-2) !important;
    border: 1px solid var(--line) !important;
    color: var(--ink-1) !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    padding: 6px 12px !important;
    border-radius: 8px !important;
    min-width: 36px;
    cursor: pointer !important;
    line-height: 1 !important;
    box-shadow: none !important;
    transform: none !important;
}
.rk-pager-btn:hover { color: var(--accent) !important; border-color: var(--accent) !important; }
.rk-pager-btn:disabled { opacity: 0.4; cursor: not-allowed !important; }
.rk-pager-info {
    font-size: 12px;
    color: var(--ink-2);
    padding: 0 10px;
    font-family: var(--font-mono);
}

/* User avatar pill used in ranking rows. Falls back to astronaut icon. */
.rk-row-avatar {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px;
    border-radius: 50%;
    margin-right: 8px;
    background: radial-gradient(circle at 50% 35%,
                  oklch(0.95 0.13 113 / 0.18) 0%, transparent 70%),
                var(--bg-3);
    border: 1px solid var(--line);
    color: var(--ink-1);
    flex-shrink: 0;
    overflow: hidden;
}
.rk-row-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rk-row-avatar i { font-size: 14px; }
.rk-row-avatar.is-invisible {
    background: oklch(0.18 0.05 290 / 0.6);
    border-color: oklch(0.55 0.18 25 / 0.4);
    color: oklch(0.78 0.16 25);
}