/* ==========================================================================
   Crashing Moon - UI foundation
   Single source of truth for tokens, fonts and shared components.
   Dark is the default. Light is enabled by [data-theme-mode="light"]
   (set by script/theme-mode.js).
   ========================================================================== */

/* ---------- Fonts (self-hosted, works offline at venues) ---------- */
@font-face { font-family: 'Radikal'; font-weight: 400; font-display: swap; src: url('Assets/Font/ui/radikal-400.otf') format('opentype'); }
@font-face { font-family: 'Radikal'; font-weight: 500; font-display: swap; src: url('Assets/Font/ui/radikal-500.otf') format('opentype'); }
@font-face { font-family: 'Radikal'; font-weight: 700; font-display: swap; src: url('Assets/Font/ui/radikal-700.otf') format('opentype'); }
@font-face { font-family: 'Big Noodle UI'; font-weight: 400; font-display: swap; src: url('Assets/Font/ui/big-noodle.ttf') format('truetype'); }
@font-face { font-family: 'JetBrains Mono UI'; font-weight: 400; font-display: swap; src: url('Assets/Font/ui/jetbrains-mono-400.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono UI'; font-weight: 500; font-display: swap; src: url('Assets/Font/ui/jetbrains-mono-500.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono UI'; font-weight: 700; font-display: swap; src: url('Assets/Font/ui/jetbrains-mono-700.woff2') format('woff2'); }

/* ---------- Tokens: dark (default) ---------- */
:root {
    --font-display: 'Big Noodle UI', 'Radikal', 'Arial Narrow', Impact, sans-serif;
    --font-body: 'Radikal', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono UI', ui-monospace, 'Cascadia Mono', Consolas, monospace;

    --radius: 6px;
    --radius-lg: 8px;

    --bg: #0B0C0F;
    --surface: #14161B;
    --surface-2: #1B1E25;
    --surface-3: #232730;
    --line: #2A2E37;
    --line-strong: #3A3F4B;

    --text: #ECEAE4;
    --text-2: #B4B2AA;
    --muted: #8D9099;

    --accent: #D4AF6A;
    --accent-hover: #E6C687;
    --accent-ink: #1A1408;
    --accent-rgb: 212, 175, 106;

    --danger: #F2644A;
    --danger-rgb: 242, 100, 74;
    --success: #5CC98A;

    --blue-side-accent: #4F8CFF;
    --blue-side-bg: #0E1522;
    --blue-side-card: #131C2E;
    --blue-side-border: #1F3A66;
    --blue-side-header: #7DAAFF;
    --blue-side-glow: rgba(79, 140, 255, 0.12);

    --red-side-accent: #E5484D;
    --red-side-bg: #1A0F11;
    --red-side-card: #251416;
    --red-side-border: #5C1F25;
    --red-side-header: #FF7A7F;
    --red-side-glow: rgba(229, 72, 77, 0.12);

    --overlay: rgba(5, 6, 8, 0.72);
    color-scheme: dark;
}

/* ---------- Tokens: light ---------- */
[data-theme-mode="light"] {
    --bg: #F4F2EC;
    --surface: #FFFFFF;
    --surface-2: #F0EEE7;
    --surface-3: #E6E3DA;
    --line: #DAD6CB;
    --line-strong: #C4BFB1;

    --text: #17181C;
    --text-2: #4B4E57;
    --muted: #6B6E76;

    --accent: #8A6A1F;
    --accent-hover: #6F5416;
    --accent-ink: #FFFFFF;
    --accent-rgb: 138, 106, 31;

    --danger: #C23A22;
    --danger-rgb: 194, 58, 34;
    --success: #1E7A49;

    --blue-side-accent: #1D4ED8;
    --blue-side-bg: #F3F7FF;
    --blue-side-card: #FFFFFF;
    --blue-side-border: #BFD3F7;
    --blue-side-header: #1E40AF;
    --blue-side-glow: rgba(29, 78, 216, 0.1);

    --red-side-accent: #B91C1C;
    --red-side-bg: #FFF5F5;
    --red-side-card: #FFFFFF;
    --red-side-border: #F3C4C4;
    --red-side-header: #991B1B;
    --red-side-glow: rgba(185, 28, 28, 0.1);

    --overlay: rgba(20, 20, 24, 0.45);
    color-scheme: light;
}

/* ---------- Legacy aliases ----------
   Old pages still reference the previous variable names. Mapping them here
   re-themes every page without rewriting each stylesheet at once.
   Remove an alias only after nothing references it anymore. */
:root, [data-theme-mode="light"] {
    --bg-canvas: var(--surface);
    --bg-subtle: var(--bg);
    --bg-sage-light: var(--surface-2);
    --bg-sage-stage: var(--surface-3);
    --card-bg: var(--surface);
    --header-bg: color-mix(in srgb, var(--bg) 92%, transparent);

    --text-heading: var(--text);
    --text-body: var(--text-2);
    --text-muted: var(--muted);
    --text-secondary: var(--text-2);

    --border-hairline: var(--line);
    --border-card: var(--line);

    --olive-dark: var(--accent);
    --olive-hover: var(--accent-hover);
    --olive-accent: var(--accent);
    --sage-accent: var(--accent);
    --pill-dark-bg: var(--accent);
    --pill-dark-hover: var(--accent-hover);
    --pill-dark-text: var(--accent-ink);
    --active-color: var(--accent);

    --card-shadow: none;
    --card-shadow-hover: none;
    --container-max: 1440px;
}

/* ---------- Global helpers ---------- */
/* Kill the old decorative backgrounds everywhere */
.bg-motif, .background-container, .liquid-blob, .blob, .blob-container { display: none !important; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ==========================================================================
   Components (all prefixed with ui-)
   ========================================================================== */

/* ---------- Button ---------- */
.ui-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 38px; padding: 0 16px;
    font-family: var(--font-body); font-size: 13px; font-weight: 700; letter-spacing: 0.02em; line-height: 1;
    color: var(--text); background: var(--surface-2);
    border: 1px solid var(--line-strong); border-radius: var(--radius);
    cursor: pointer; text-decoration: none; white-space: nowrap;
    transition: background-color .15s, border-color .15s, color .15s;
}
.ui-btn:hover { background: var(--surface-3); border-color: var(--muted); }
.ui-btn:active { transform: translateY(1px); }
.ui-btn[disabled], .ui-btn.is-disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }
.ui-btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.ui-btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.ui-btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.ui-btn-ghost:hover { background: var(--surface-2); border-color: var(--line); color: var(--text); }
.ui-btn-danger { background: transparent; border-color: rgba(var(--danger-rgb), .55); color: var(--danger); }
.ui-btn-danger:hover { background: rgba(var(--danger-rgb), .12); border-color: var(--danger); }
.ui-btn-danger.is-solid { background: var(--danger); border-color: var(--danger); color: #fff; }
.ui-btn-danger.is-solid:hover { filter: brightness(1.08); }
.ui-btn-sm { min-height: 30px; padding: 0 10px; font-size: 12px; }
.ui-btn-lg { min-height: 46px; padding: 0 22px; font-size: 14px; }

/* ---------- Theme toggle button ---------- */
.theme-toggle-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    min-height: 32px; padding: 0 14px;
    font-family: var(--font-body); font-size: 13px; font-weight: 600; line-height: 1;
    color: var(--text-2); background: var(--surface-2);
    border: 1px solid var(--line); border-radius: var(--radius);
    cursor: pointer; text-decoration: none; white-space: nowrap; user-select: none;
    box-sizing: border-box;
    transition: background-color .15s, border-color .15s, color .15s, transform .1s;
}
.theme-toggle-btn:hover { background: var(--surface-3); border-color: var(--line-strong); color: var(--text); }
.theme-toggle-btn:active { transform: translateY(1px); }
.theme-toggle-icon { display: inline-flex; align-items: center; justify-content: center; color: var(--accent); line-height: 1; }
.theme-toggle-icon svg { display: block; width: 15px; height: 15px; }
.theme-toggle-label { font-family: inherit; font-size: 13px; font-weight: 600; line-height: 1; }

/* ---------- Input ---------- */
.ui-input, .ui-select {
    width: 100%; min-height: 38px; padding: 0 12px;
    font-family: var(--font-body); font-size: 14px; color: var(--text);
    background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius);
    transition: border-color .15s;
}
.ui-input::placeholder { color: var(--muted); }
.ui-input:hover, .ui-select:hover { border-color: var(--muted); }
.ui-input:focus, .ui-select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.ui-field { display: flex; flex-direction: column; gap: 6px; }
.ui-label { font-size: 12px; font-weight: 700; color: var(--text-2); letter-spacing: 0.02em; }
.ui-hint { font-size: 12px; color: var(--muted); }

/* ---------- Card / badge / divider ---------- */
.ui-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); }
.ui-card-pad { padding: 16px; }
.ui-badge {
    display: inline-flex; align-items: center; gap: 6px; height: 22px; padding: 0 8px;
    font-family: var(--font-mono); font-size: 11px; font-weight: 500;
    color: var(--text-2); background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius);
}
.ui-badge-accent { color: var(--accent); border-color: rgba(var(--accent-rgb), .4); background: rgba(var(--accent-rgb), .08); }
.ui-badge-danger { color: var(--danger); border-color: rgba(var(--danger-rgb), .4); background: rgba(var(--danger-rgb), .08); }
.ui-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; }
.ui-dot.is-ok { background: var(--success); }
.ui-dot.is-bad { background: var(--danger); }
.ui-title { font-family: var(--font-display); font-weight: 400; letter-spacing: 0.02em; text-transform: uppercase; color: var(--text); line-height: 1; }

/* ---------- Tabs ---------- */
.ui-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); }
.ui-tab {
    padding: 12px 18px; font-family: var(--font-body); font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
    color: var(--muted); background: none; border: 0; border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer;
}
.ui-tab:hover { color: var(--text); }
.ui-tab.active, .ui-tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Modal (used by UI.confirm / UI.prompt) ---------- */
.ui-modal-backdrop {
    position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center;
    padding: 16px; background: var(--overlay);
}
.ui-modal {
    width: 100%; max-width: 440px; background: var(--surface); color: var(--text);
    border: 1px solid var(--line-strong); border-radius: var(--radius-lg);
    box-shadow: 0 24px 60px rgba(0, 0, 0, .45); font-family: var(--font-body);
}
.ui-modal-head { padding: 18px 20px 4px; }
.ui-modal-title { margin: 0; font-family: var(--font-display); font-size: 26px; font-weight: 400; letter-spacing: .02em; text-transform: uppercase; }
.ui-modal-body { padding: 8px 20px 4px; font-size: 14px; line-height: 1.55; color: var(--text-2); white-space: pre-line; }
.ui-modal-body .ui-input { margin-top: 12px; }
.ui-modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 16px 20px 20px; }
.ui-modal.is-danger { border-color: rgba(var(--danger-rgb), .6); }
@media (max-width: 520px) {
    .ui-modal-backdrop { align-items: flex-end; padding: 0; }
    .ui-modal { max-width: none; border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding-bottom: env(safe-area-inset-bottom); }
    .ui-modal-foot { flex-direction: column-reverse; }
    .ui-modal-foot .ui-btn { min-height: 46px; width: 100%; }
}

/* ---------- Toast ---------- */
.ui-toast-stack {
    position: fixed; z-index: 10001; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px;
    width: min(360px, calc(100vw - 32px)); pointer-events: none;
}
.ui-toast {
    pointer-events: auto; display: flex; align-items: flex-start; gap: 10px; padding: 12px 14px;
    font-family: var(--font-body); font-size: 13px; line-height: 1.45; color: var(--text);
    background: var(--surface-2); border: 1px solid var(--line-strong); border-left: 3px solid var(--accent);
    border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0, 0, 0, .35);
    animation: ui-toast-in .18s ease-out;
}
.ui-toast.is-error { border-left-color: var(--danger); }
.ui-toast.is-success { border-left-color: var(--success); }
.ui-toast-msg { flex: 1; white-space: pre-line; }
.ui-toast-action { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; font-weight: 700; cursor: pointer; }
@keyframes ui-toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (max-width: 520px) { .ui-toast-stack { right: 12px; left: 12px; width: auto; bottom: calc(12px + env(safe-area-inset-bottom)); } }