/* ============================================================
   Dispatch — app.css
   ONLY: @font-face · :root tokens · CSS reset · base elements
   Component styles live in scoped .razor.css files.
   Strict cap: ≤ 300 lines.
   ============================================================ */

/* ---- @font-face ------------------------------------------- */

@font-face {
    font-family: 'Bricolage Grotesque';
    src: url('fonts/bricolage-grotesque.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Hanken Grotesk';
    src: url('fonts/hanken-grotesk.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Geist Mono';
    src: url('fonts/geist-mono.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* ---- Design tokens: default (dark) ------------------------ */

:root {
    --font-display: 'Bricolage Grotesque', 'Inter Display', system-ui, sans-serif;
    --font-body:    'Hanken Grotesk', 'Inter', system-ui, sans-serif;
    --font-mono:    'Geist Mono', ui-monospace, 'JetBrains Mono', Menlo, monospace;

    --r-s: 4px;
    --r-m: 8px;
    --r-l: 14px;

    --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---- Dark theme (default) --------------------------------- */

:root[data-theme="dark"] {
    --bg-0:   #0b0d14;   /* page */
    --bg-1:   #11141d;   /* panel */
    --bg-2:   #161a25;   /* raised */
    --bg-3:   #1f2433;   /* hover */
    --fg-0:   #eceef5;
    --fg-1:   #a1a5b9;
    --fg-2:   #6a6e83;
    --fg-3:   #44485a;
    --text-muted: var(--fg-2);
    --signal:     #ff4a3d;
    --signal-dim: #5a1f1c;
    --info:       #5fdcef;
    --ok:         #b6e85c;
    --warn:       #ffb547;
    --err:        #ff6a85;

    /* Ink on accent fills + avatar gradients (UI-20). Previously hardcoded
       in scoped component CSS — the only colors outside the token system.
       Identical in both themes today; retune per theme here if the palette
       shifts. */
    --on-signal: #ffffff;   /* text on signal/danger fills */
    --on-accent: #0b0d14;   /* dark ink on bright accent gradients */
    --av-grad-a: linear-gradient(135deg, #5fdcef, #3a8aa0);
    --av-grad-b: linear-gradient(135deg, #b6e85c, #5a8a16);
    --av-grad-c: linear-gradient(135deg, #ff4a3d, #b6750a);
    --av-grad-d: linear-gradient(135deg, #ffb547, #c63558);

    /* Derived */
    --rule:          rgba(255, 255, 255, 0.07);
    --rule-strong:   rgba(255, 255, 255, 0.13);
    --border:        rgba(255, 255, 255, 0.08);
    --border-input:  rgba(255, 255, 255, 0.13);
    --surface-hover: rgba(255, 255, 255, 0.05);
    --focus-ring:    var(--signal);
    --shadow:        0 30px 60px -20px rgba(0, 0, 0, 0.6);
}

/* ---- Light theme ------------------------------------------ */

:root[data-theme="light"] {
    --bg-0:   #f3f4f8;
    --bg-1:   #ffffff;
    --bg-2:   #fafbfd;
    --bg-3:   #eef0f5;
    --fg-0:   #11131c;
    --fg-1:   #3f4356;
    --fg-2:   #6b7088;
    --fg-3:   #a3a7bb;
    --text-muted: var(--fg-2);
    --signal:     #e2402f;
    --signal-dim: #f7c9c2;
    --info:       #1d8aa0;
    --ok:         #5a8a16;
    --warn:       #b6750a;
    --err:        #c63558;

    /* Ink on accent fills + avatar gradients (UI-20) — see dark theme note. */
    --on-signal: #ffffff;
    --on-accent: #0b0d14;
    --av-grad-a: linear-gradient(135deg, #5fdcef, #3a8aa0);
    --av-grad-b: linear-gradient(135deg, #b6e85c, #5a8a16);
    --av-grad-c: linear-gradient(135deg, #ff4a3d, #b6750a);
    --av-grad-d: linear-gradient(135deg, #ffb547, #c63558);

    /* Derived */
    --rule:          rgba(20, 24, 40, 0.09);
    --rule-strong:   rgba(20, 24, 40, 0.18);
    --border:        rgba(0, 0, 0, 0.10);
    --border-input:  rgba(0, 0, 0, 0.18);
    --surface-hover: rgba(0, 0, 0, 0.04);
    --focus-ring:    var(--signal);
    --shadow:        0 24px 48px -24px rgba(20, 24, 40, 0.18);
}

/* ---- CSS Reset -------------------------------------------- */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

ol,
ul {
    list-style: none;
}

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

/* ---- Base elements ---------------------------------------- */

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-0);
    color: var(--fg-0);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.35s var(--ease), color 0.35s var(--ease);
}

/* Atmospheric radial wash: faint coral upper-right + cyan lower-left.
   Sits behind everything via z-index:0; app shell elevates with z-index:1. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(900px 600px at 85% -10%, rgba(255, 74, 61, 0.08), transparent 60%),
        radial-gradient(700px 500px at 0% 100%, rgba(95, 220, 239, 0.05), transparent 60%);
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.35s var(--ease);
}

:root[data-theme="light"] body::before {
    opacity: 0.4;
}

::selection {
    background: var(--signal);
    color: #fff;
}

a {
    color: var(--fg-0);
    text-decoration: none;
}

a:hover {
    color: var(--signal);
}

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
    appearance: none;
    -webkit-appearance: none;
}

input,
textarea,
select {
    font: inherit;
    box-sizing: border-box;
    background: none;
    border: none;
    outline: none;
    color: inherit;
}

textarea {
    resize: vertical;
}

:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
}