/* Calm, neutral base shared by every page: warm off-white, dark grey text, one muted accent. */
:root {
  --bg: #f6f4f0; --fg: #2b2926; --muted: #77716a; --card: #fdfcfa; --line: #e5e0d8; --soft: #efebe5;
  --accent: #46606f; --accent-fg: #fff; --accent-soft: #e3e9ec;
  --ok: #4f7a5a; --warn: #9a6a2c; --bad: #a9473f;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px; line-height: 1.55;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1b1a19; --fg: #e7e3dd; --muted: #a29c94; --card: #232220; --line: #35332f; --soft: #2b2a27;
    --accent: #93aab8; --accent-fg: #1b1a19; --accent-soft: #2c3438;
    --ok: #8fb79a; --warn: #d1a669; --bad: #df8a82; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body { -webkit-font-smoothing: antialiased; }
body.no-scroll { overflow: hidden; }
h1, h2, h3 { font-weight: 600; line-height: 1.25; letter-spacing: 0; }
h1 { font-size: 1.6rem; margin: .2rem 0 .6rem; }
h2 { font-size: 1.1rem; margin: 0 0 .7rem; }
a { color: var(--accent); text-underline-offset: 2px; }
button, .btn-primary, .btn-secondary, select, input { font: inherit; }
button, .btn-secondary { background: var(--card); color: var(--fg); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .9rem; cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn-secondary:hover { background: var(--soft); }
.btn-primary { background: var(--accent); color: var(--accent-fg) !important; border: 1px solid transparent; border-radius: 8px; padding: .55rem 1rem; text-decoration: none; cursor: pointer; display: inline-block; font-weight: 500; }
.btn-primary:hover { background: var(--accent); filter: brightness(1.08); }
.big { font-size: 1.05rem; padding: .8rem 1.3rem; }
.wide { width: 100%; margin-top: .8rem; }
button.link { background: none; border: 0; color: var(--accent); padding: .45rem .2rem; }
button.danger { background: var(--bad); color: #fff; border: 0; }
button:disabled { opacity: .5; cursor: default; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.error { color: var(--bad); }
code { font-size: .9em; background: var(--soft); padding: .05em .35em; border-radius: 4px; }

/* Header */
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .55rem 1.25rem; padding-top: max(.55rem, env(safe-area-inset-top)); background: var(--bg); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { display: block; width: 33px; height: 36px; }
nav { display: flex; align-items: center; gap: .3rem; }
nav > a { color: var(--fg); text-decoration: none; padding: .4rem .7rem; border-radius: 8px; }
nav > a:hover { background: var(--soft); }
nav > a.active { color: var(--accent); background: var(--accent-soft); }
.show-narrow { display: none; }
.menu { position: relative; margin-left: .3rem; }
.menu summary { list-style: none; width: 34px; height: 34px; border-radius: 50%; background: var(--soft); color: var(--fg); border: 1px solid var(--line);
  display: grid; place-items: center; cursor: pointer; font-weight: 600; font-size: .9rem; }
.menu summary::-webkit-details-marker { display: none; }
.menu-body { position: absolute; right: 0; top: 42px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .5rem; min-width: 230px; display: grid; gap: .15rem; box-shadow: 0 6px 24px rgba(0,0,0,.08); }
.menu-body > div { padding: .35rem .6rem .5rem; }
.menu-body a, .menu-body button { text-align: left; width: 100%; display: block; border: 0; background: none; color: var(--fg); padding: .45rem .6rem; border-radius: 6px; text-decoration: none; }
.menu-body a:hover, .menu-body button:hover { background: var(--soft); }
.menu-body form { margin: 0; }

main { padding: 1.5rem 1.25rem 3rem; max-width: 1200px; margin: 0 auto; }
.messages { max-width: 900px; margin: 1rem auto 0; padding: 0 1.25rem; display: grid; gap: .5rem; }
.msg { background: var(--card); border: 1px solid var(--line); padding: .65rem .9rem; border-radius: 8px; }
.msg.error { color: var(--bad); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem; }

/* Sign in / sign up */
body.auth main { padding-top: 0; }
.auth-card { max-width: 380px; margin: 7vh auto; background: none; border: 0; padding: 0; }
.auth-logo { display: block; width: 74px; height: 80px; margin: 0 auto 1.2rem; }
.auth-card h1 { text-align: center; font-size: 1.45rem; margin-bottom: .3rem; }
.auth-card > .lead { text-align: center; margin: 0 0 1.4rem; }
.auth-card form { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem 1.3rem; }
.auth-card label, .auth-card p label { display: grid; gap: .3rem; margin: 0 0 .9rem; font-size: .95rem; }
.auth-card input { padding: .6rem .7rem; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); width: 100%; }
.auth-card small { display: block; margin: -.5rem 0 .9rem; font-size: .8rem; }
.auth-card .helptext, .auth-card ul { font-size: .8rem; color: var(--muted); }
.auth-card .after { text-align: center; margin-top: 1.2rem; }
body.auth .topbar { display: none; }   /* sign-in pages show the logo large, no header */

/* Gallery (kept for later; photo viewing is currently off) */
.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; align-items: center; margin-bottom: .6rem; }
.filters { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.filters input, .filters select { padding: .4rem .5rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--fg); }
.filters label { display: flex; gap: .3rem; align-items: center; color: var(--muted); font-size: .9rem; }
.filters input[type=search] { min-width: 180px; }
.toolbar-right { display: flex; gap: .6rem; align-items: center; }
.selection-bar { position: sticky; top: 56px; z-index: 15; display: flex; gap: .6rem; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: .5rem .8rem; margin-bottom: .6rem; }
.selection-bar span { flex: 1; font-weight: 600; }
h2.month { font-size: 1.3rem; margin: 1.4rem 0 .2rem; }
h3.day { font-size: .95rem; font-weight: 600; color: var(--muted); margin: .9rem 0 .4rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 4px; }
@media (max-width: 600px) { .grid { grid-template-columns: repeat(3, 1fr); gap: 2px; } }
.tile { padding: 0; border: 0; border-radius: 4px; overflow: hidden; aspect-ratio: 1; background: var(--line); position: relative; }
.tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
body.selecting .tile::after { content: ""; position: absolute; top: 6px; left: 6px; width: 20px; height: 20px; border-radius: 50%; border: 2px solid #fff; background: rgba(0,0,0,.25); }
.tile.selected { outline: 3px solid var(--accent); outline-offset: -3px; }
.tile.selected img { transform: scale(.9); }
body.selecting .tile.selected::after { background: var(--accent); border-color: var(--accent); }
.empty { text-align: center; padding: 4rem 1rem; color: var(--muted); }
.sentinel { height: 60px; display: grid; place-items: center; }
.spinner { width: 24px; height: 24px; border: 2px solid var(--line); border-top-color: var(--muted); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.lightbox { position: fixed; inset: 0; z-index: 50; background: #111; color: #fff; display: grid; grid-template-rows: auto 1fr; }
.lightbox[hidden] { display: none; }
.lb-top { display: flex; align-items: center; gap: .6rem; padding: .5rem .7rem; padding-top: max(.5rem, env(safe-area-inset-top)); background: rgba(0,0,0,.5); z-index: 2; }
.lb-top button, .lb-top a { background: none; border: 0; color: #fff; font-size: 1.2rem; padding: .3rem .55rem; text-decoration: none; cursor: pointer; }
.lb-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .95rem; opacity: .85; }
.lb-actions { display: flex; gap: .2rem; }
.lb-stage { display: grid; place-items: center; overflow: hidden; min-height: 0; }
.lb-stage img { max-width: 100vw; max-height: calc(100dvh - 56px); object-fit: contain; user-select: none; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,.3); border: 0; color: #fff; font-size: 2rem; width: 44px; height: 64px; border-radius: 8px; z-index: 2; }
.lb-nav.prev { left: 8px; } .lb-nav.next { right: 8px; }
@media (hover: none) { .lb-nav { display: none; } }
.lb-info { position: absolute; right: 0; top: 52px; bottom: 0; width: min(340px, 90vw); background: rgba(24,23,22,.96); padding: 1rem; overflow: auto; z-index: 3; }
.lb-info[hidden] { display: none; }
.lb-info dl { display: grid; gap: .2rem; margin: 0; }
.lb-info dt { color: #a29c94; font-size: .8rem; margin-top: .6rem; }
.lb-info dd { margin: 0; }
.lb-info a { color: #b9c9d3; }

/* Upload */
.upload-page { max-width: 720px; margin: 0 auto; }
.upload-page > p { max-width: 60ch; }
.dropzone { border: 1.5px dashed var(--line); border-radius: var(--radius); padding: 2.2rem 1rem; text-align: center; display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; align-items: center; margin: 1.5rem 0; background: var(--card); }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.dropzone p { width: 100%; margin: 0; }
@media (hover: none) { .hide-mobile { display: none; } }
.progress { height: 6px; background: var(--soft); border-radius: 99px; overflow: hidden; margin-bottom: .6rem; }
#progress-bar { height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.summary { font-size: 1rem; }
.summary b { font-weight: 600; }
.ok { color: var(--ok); } .dup { color: var(--muted); } .bad { color: var(--bad); }
.verdict { padding: .75rem 1rem; border-radius: 8px; }
.verdict.good { background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); }
.verdict.warn { background: color-mix(in srgb, var(--bad) 10%, transparent); color: var(--bad); }
.row { display: flex; gap: .8rem; align-items: center; flex-wrap: wrap; }
.file-list { list-style: none; padding: 0; margin: 1rem 0 0; max-height: 50vh; overflow: auto; font-size: .9rem; border-top: 1px solid var(--line); }
.file-list li { display: flex; gap: .6rem; padding: .35rem 0; border-bottom: 1px solid var(--line); }
.file-list .st { flex: none; width: 5.5rem; color: var(--muted); font-size: .8rem; }
.file-list li.st-saved .st { color: var(--ok); }
.file-list li.st-failed .st { color: var(--bad); }
.file-list .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list .er { color: var(--muted); white-space: nowrap; }
.file-list li.st-failed .er { color: var(--bad); }
.file-list.problems-only li:not(.st-failed) { display: none; }

nav a, nav button { white-space: nowrap; }
@media (max-width: 480px) {
  .topbar { padding-left: .8rem; padding-right: .8rem; }
  main { padding: 1rem .8rem 2.5rem; }
  .hide-narrow { display: none; } .show-narrow { display: inline; }
  .filters input[type=search] { flex: 1 1 100%; }
}

/* Games hub */
.games { max-width: 860px; margin: 0 auto; }
.games > .lead { margin: 0 0 1.5rem; }
.game-list { list-style: none; margin: 0 0 1.5rem; padding: 0; border-top: 1px solid var(--line); }
.game-list li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); }
.game-list h2 { margin: 0 0 .15rem; font-size: 1.1rem; }
.game-list p { margin: 0; }
.game-list .soon { opacity: .6; }
.badge { display: inline-block; background: var(--soft); color: var(--muted); border-radius: 999px; padding: .15rem .65rem; font-size: .85rem; }
@media (max-width: 520px) { .game-list li { flex-direction: column; align-items: flex-start; gap: .6rem; } }