/*
  All of the app's styling. Nothing is inline anywhere — the CSP in ServiceDefaults
  carries no 'unsafe-inline' for style-src, so a style attribute added to a page will be
  dropped by the browser rather than quietly forcing the policy open.

  Light and dark are both defined here. The app is used on a phone, at a game, in
  whatever the handset is set to.
*/

:root {
    color-scheme: light dark;

    --bg: #ffffff;
    --bg-raised: #f7f8fa;
    --ink: #0f1a2b;
    --ink-muted: #5b6779;
    --border: #e2e8f0;
    --accent: #4f46e5;
    --accent-ink: #ffffff;
    --accent-hover: #4338ca;
    --danger: #b42318;
    --notice-bg: #eef2ff;
    --shadow: 0 1px 2px rgba(15, 26, 43, .06), 0 8px 24px rgba(15, 26, 43, .06);
    --radius: 10px;
    --measure: 68ch;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1220;
        --bg-raised: #131c2e;
        --ink: #e8edf5;
        --ink-muted: #9aa8bd;
        --border: #263349;
        --accent: #818cf8;
        --accent-ink: #0b1220;
        --accent-hover: #a5b4fc;
        --danger: #fca5a5;
        --notice-bg: #1c2438;
        --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
    }
}

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

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--ink);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: .9em;
    background: var(--bg-raised);
    border-radius: 4px;
    padding: 2px 6px;
}

/* ── header / footer ─────────────────────────────────────────────────────── */

.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 24px;
    padding: 16px 5vw;
    border-bottom: 1px solid var(--border);
}

.brand { display: inline-flex; }

/* The two logos are single-colour SVGs authored for a light page. Inverting on dark
   keeps them legible without maintaining a second copy of each. */
.brand img, .site-footer img { height: 26px; width: auto; display: block; }

@media (prefers-color-scheme: dark) {
    .brand img, .site-footer img { filter: invert(1); }
}

.tagline { margin: 0; color: var(--ink-muted); font-size: .9rem; }

.site-main { flex: 1; width: 100%; max-width: 1100px; margin: 0 auto; padding: 32px 5vw 64px; }

.site-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 5vw;
    border-top: 1px solid var(--border);
    color: var(--ink-muted);
    font-size: .85rem;
}

.site-footer img { height: 20px; }
.site-footer a { margin-left: auto; }

/* ── home ────────────────────────────────────────────────────────────────── */

.hero { padding: 32px 0 40px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; margin: 0 0 16px; letter-spacing: -.02em; }
.lede { max-width: var(--measure); color: var(--ink-muted); font-size: 1.1rem; margin: 0 0 28px; }

.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.card h2 { font-size: 1.05rem; margin: 0 0 8px; }
.card p { margin: 0; color: var(--ink-muted); font-size: .95rem; }

/* ── the roster screen ───────────────────────────────────────────────────── */

.split { display: grid; gap: 40px; grid-template-columns: 1fr; }

@media (min-width: 900px) {
    .split { grid-template-columns: 1fr 1fr; gap: 48px; }
}

.panel h1 { font-size: 1.6rem; margin: 0 0 24px; }

.field { margin-bottom: 22px; }

.field label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; }

.field input, .field textarea {
    width: 100%;
    padding: 10px 12px;
    font: inherit;
    color: var(--ink);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.field textarea { resize: vertical; min-height: 6em; }

.field input:focus-visible, .field textarea:focus-visible, .button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.hint { margin: 8px 0 0; color: var(--ink-muted); font-size: .85rem; }
.hint-center { text-align: center; max-width: 44ch; margin-inline: auto; }

.notice {
    margin: 0 0 22px;
    padding: 10px 14px;
    background: var(--notice-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: .9rem;
}

.validation-message, .validation-summary { display: block; color: var(--danger); font-size: .85rem; margin-top: 6px; }
.validation-summary:empty { display: none; }
.validation-summary ul { margin: 0; padding-left: 1.2em; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.actions-center { justify-content: center; margin-top: 20px; }

.button {
    display: inline-block;
    padding: 10px 20px;
    font: inherit;
    font-weight: 600;
    color: var(--accent-ink);
    background: var(--accent);
    border: 1px solid transparent;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
}

.button:hover { background: var(--accent-hover); }
.button-large { padding: 14px 28px; font-size: 1.05rem; }

.button-secondary {
    color: var(--ink);
    background: var(--bg-raised);
    border-color: var(--border);
}

.button-secondary:hover { background: var(--border); }

.qr {
    display: block;
    width: 100%;
    max-width: 480px;
    height: auto;
    margin: 0 auto;
    /* The symbol has to stay dark-on-light to scan; a dark-mode inversion would make it
       unreadable to every camera. The white plate is deliberate. */
    background: #ffffff;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.placeholder {
    display: grid;
    place-items: center;
    text-align: center;
    min-height: 280px;
    padding: 24px;
    color: var(--ink-muted);
    background: var(--bg-raised);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.roster { margin-top: 28px; }
.roster summary { cursor: pointer; font-weight: 600; }
.roster ol { margin: 12px 0 0; padding-left: 2.4em; columns: 2; column-gap: 32px; }
.roster li { font-variant-numeric: tabular-nums; }

/* ── error / not-found ───────────────────────────────────────────────────── */

.message-page { max-width: var(--measure); padding: 48px 0; }
.message-page h1 { font-size: 1.6rem; margin: 0 0 12px; }
.message-page p { color: var(--ink-muted); }

/* ── photo import ────────────────────────────────────────────────────────── */

.field-label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; }

.photo {
    position: relative;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg-raised);
    padding: 28px 20px;
    text-align: center;
    transition: border-color .15s, background .15s, transform .15s;
}

/* Dragging a file over the zone. Also applied on the whole zone rather than an
   inner element so the border itself responds, which is the part being aimed at. */
.photo.is-dragging {
    border-color: var(--accent);
    border-style: solid;
    background: var(--notice-bg);
    transform: scale(1.01);
}

.photo.is-busy { border-style: solid; border-color: var(--accent); }
.photo.is-error { border-style: solid; border-color: var(--danger); }

.photo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    border-radius: 50%;
    background: var(--notice-bg);
    color: var(--accent);
}

.photo-icon svg { width: 24px; height: 24px; }

.photo-title { margin: 0 0 4px; font-weight: 600; font-size: .95rem; }

/* You cannot drop a file on a phone, and you rarely want to hunt for one on a desktop.
   Each pointer type gets the sentence that matches what it can actually do. */
.photo-title .on-coarse { display: none; }

@media (pointer: coarse) {
    .photo-title .on-fine { display: none; }
    .photo-title .on-coarse { display: inline; }
}
.photo-or { margin: 0 0 12px; color: var(--ink-muted); font-size: .8rem; }

.photo-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

/* The camera button is only useful where there is a camera. A coarse pointer is the
   closest honest proxy — on a desktop the `capture` attribute is ignored and the button
   would open the same file dialog as the one beside it, which is just confusing. */
.photo-camera { display: none; }

@media (pointer: coarse) {
    .photo-camera { display: inline-block; }
}

.photo-note { margin: 14px 0 0; color: var(--ink-muted); font-size: .78rem; }

/* display must be re-asserted through :not([hidden]) rather than set flat. A bare
   `.photo-busy { display: flex }` outranks the user-agent's `[hidden] { display: none }`,
   which leaves the progress track showing under the idle state. */
.photo-busy { display: none; }
.photo-busy:not([hidden]) { display: flex; align-items: center; gap: 18px; text-align: left; }

.photo-preview {
    width: 96px;
    height: 96px;
    flex-shrink: 0;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
    box-shadow: var(--shadow);
}

.photo-preview:not([src]) { display: none; }

.photo-progress { flex: 1; min-width: 0; }

.photo-bar {
    height: 6px;
    border-radius: 999px;
    background: var(--border);
    overflow: hidden;
}

.photo-bar span {
    display: block;
    height: 100%;
    width: 0;
    border-radius: inherit;
    background: var(--accent);
    transition: width .3s ease;
}

.photo-status { margin: 10px 0 0; font-size: .85rem; color: var(--ink-muted); }
.photo.is-error .photo-status { color: var(--danger); }

.photo-reset {
    margin-top: 8px;
    padding: 0;
    font: inherit;
    font-size: .82rem;
    color: var(--accent);
    background: none;
    border: none;
    cursor: pointer;
    text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
    .photo, .photo-bar span { transition: none; }
}