/* Answer.fm — Modern minimal UI */

/* ---------- Theme ---------- */
:root {
  color-scheme: light dark;
  --bg: #0b0d12;
  --bg-alt: #0f131b;
  --card: #111623;
  --text: #e8ecf2;
  --muted: #9aa5b1;
  --primary: #7c9cff;
  --primary-700: #6a89f0;
  --primary-800: #5773d6;
  --accent: #22d3ee;
  --border: rgba(255, 255, 255, 0.08);
  --ring: rgba(124, 156, 255, 0.45);
  --success: #22c55e;
  --error: #ef4444;
  --warn: #f59e0b;
  --shadow-1: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  --shadow-2: 0 6px 20px rgba(0,0,0,.35);
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 18px;
  --spacing: 16px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f9fc;
    --bg-alt: #f1f5f9;
    --card: #ffffff;
    --text: #0b1220;
    --muted: #667085;
    --primary: #3b82f6;
    --primary-700: #2563eb;
    --primary-800: #1d4ed8;
    --accent: #06b6d4;
    --border: rgba(2, 6, 23, 0.08);
    --ring: rgba(59, 130, 246, 0.35);
    --shadow-1: 0 1px 2px rgba(2,6,23,.06), 0 8px 24px rgba(2,6,23,.08);
    --shadow-2: 0 6px 20px rgba(2,6,23,.10);
  }
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(124,156,255,.12), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(34,211,238,.10), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 120%);
  line-height: 1.6;
}

/* Prevent background scroll when modal is open */
body.modal-open { overflow: hidden; }

/* Prevent auth flash for authed users (SSR body class) */
body.authed #auth-card { display: none !important; }
body.authed #overlay { display: none !important; }
body.authed #main-tabs { display: flex !important; }
body.authed #nav-login,
body.authed #nav-signup { display: none !important; }
body.authed #menu-toggle { display: inline-flex !important; }

h1, .h1 { font-size: 1.5rem; line-height: 1.2; margin: 0 0 12px; font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: 1.25rem; margin: 0 0 10px; }
h3 { font-size: 1.1rem; margin: 16px 0 8px; }
p { margin: 0 0 12px; }
a { color: var(--primary-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.small { font-size: .875rem; }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.divider { height: 1px; background: var(--border); margin: 12px 0; }
.space-top { margin-top: 10px; }

/* ---------- Layout ---------- */
.container {
  max-width: 960px;
  padding: 24px 16px;
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg), transparent 10%);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(140%) blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-family: "Cal Sans", Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: .2px;
}

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 32px;
  background: color-mix(in oklab, var(--bg), transparent 10%);
}

/* ---------- Cards ---------- */
.card {
  background: color-mix(in oklab, var(--card), transparent 0%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  padding: 20px;
}

/* ---------- Buttons ---------- */
.btn {
  appearance: none;
  border: 1px solid transparent;
  background: linear-gradient(180deg, color-mix(in oklab, var(--primary), white 6%), var(--primary-700));
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,.2) inset, var(--shadow-2);
  transition: transform .06s ease, filter .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { filter: brightness(1.04); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn.btn-block { width: 100%; }

.btn.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}
.btn.btn-ghost:hover { background: color-mix(in oklab, var(--card), transparent 70%); }

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--ring);
}

/* ---------- Tabs & Panels ---------- */
.tabs { display: flex; gap: 8px; align-items: center; }
.tab {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 60%);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.tab.active {
  background: color-mix(in oklab, var(--primary), transparent 80%);
  border-color: color-mix(in oklab, var(--primary), var(--border) 60%);
}
.panels { margin-top: 12px; }
.panel { animation: fadeIn .25s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(2px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Main horizontal tab bar (Today/Vote/Ask/About) ---------- */
#main-tabs.hidden, #home-card.hidden, #vote-card.hidden, #ask-card.hidden, #about-answerfm.hidden { display: none !important; }

#main-tabs {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
#main-tabs .btn {
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--muted);
  padding: 8px 10px;
  box-shadow: none;
}
#main-tabs .btn:hover { color: var(--text); }
#main-tabs .btn.active { color: var(--text); position: relative; }
#main-tabs .btn.active::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: -1px;
  height: 2px;
  background: var(--primary-700);
  border-radius: 2px;
}

/* ---------- Forms ---------- */
.form { display: grid; gap: 12px; }
.field { display: grid; gap: 6px; }
.field > span { font-size: .875rem; color: var(--muted); }
.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="search"],
.field textarea,
.ai-free {
  width: 100%;
  background: color-mix(in oklab, var(--card), transparent 10%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.field textarea, .ai-free { min-height: 120px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder, .ai-free::placeholder { color: color-mix(in oklab, var(--muted), transparent 15%); }
.field input:focus, .field textarea:focus, .ai-free:focus { outline: none; border-color: color-mix(in oklab, var(--primary), var(--border)); box-shadow: 0 0 0 3px var(--ring); }

/* ---------- Lists & Items ---------- */
.list { display: grid; gap: 12px; }
.item {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 4%);
  border-radius: 12px;
  padding: 14px;
}

/* Question header badge */
.q-item { position: relative; }

/* ---------- Utilities ---------- */
.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.stack { display: flex; flex-direction: column; gap: 12px; }

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, .4);
  backdrop-filter: blur(4px);
  z-index: 40;
}

.modal.hidden { display: none !important; }
.modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; }
/* Ensure overlay sits behind the modal card within the modal stacking context */
.modal .overlay { z-index: 0; }
.modal-card { position: relative; z-index: 1; max-width: 820px; width: min(92vw, 820px); max-height: 80vh; overflow: auto; padding: 12px; }

/* ---------- Session modal content spacing ---------- */
.session-output, .session-qa { white-space: pre-wrap; margin: 8px 0; }
.session-qa { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace; font-size: .95rem; }

/* Modal inner tabs */
.modal-tabs { display: flex; gap: 8px; align-items: center; border-bottom: 1px solid var(--border); margin: 0 0 8px; }
.modal-tabs .btn { background: transparent; border: none; border-radius: 0; color: var(--muted); padding: 6px 8px; box-shadow: none; }
.modal-tabs .btn.active { color: var(--text); position: relative; }
.modal-tabs .btn.active::after { content: ""; position: absolute; left: 4px; right: 4px; bottom: -1px; height: 2px; background: var(--primary-700); border-radius: 2px; }

/* Tighten inner spacing within the modal only */
.modal-card .notice { padding: 8px; }
.modal-card .item { padding: 6px; }
.modal-card .q-title, .session-question { margin: 0; padding: 0; }
.session-question { font-weight: 600; font-size: 1rem; color: var(--text); }

/* ---------- Pills & Options ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 60%);
  border-radius: 999px;
  padding: 6px 10px;
  margin: 4px 6px 0 0;
  cursor: pointer;
  user-select: none;
}
.pill input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary-700); }
[data-rank] .pill { background: color-mix(in oklab, var(--primary), transparent 84%); border-color: color-mix(in oklab, var(--primary), var(--border)); color: var(--text); }

/* ---------- Notices ---------- */
.notice {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: color-mix(in oklab, var(--card), transparent 60%);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: pre-wrap;
}
.notice.success { background: color-mix(in oklab, var(--success), var(--card) 85%); color: color-mix(in oklab, var(--success), black 20%); border-color: color-mix(in oklab, var(--success), var(--border) 60%); }
.notice.error { background: color-mix(in oklab, var(--error), var(--card) 85%); color: color-mix(in oklab, var(--error), black 10%); border-color: color-mix(in oklab, var(--error), var(--border) 60%); }
.notice.warn { background: color-mix(in oklab, var(--warn), var(--card) 85%); color: color-mix(in oklab, var(--warn), black 25%); border-color: color-mix(in oklab, var(--warn), var(--border) 60%); }

/* ---------- Nav menu ---------- */
.nav { position: relative; display: flex; gap: 8px; align-items: center; }
.menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-2);
  padding: 8px;
  min-width: 160px;
}
.menu .btn { width: 100%; justify-content: flex-start; }

/* ---------- About section tweaks ---------- */
#about-answerfm ul { padding-left: 18px; }
#about-answerfm li { margin: 6px 0; }

/* ---------- Results chart ---------- */
.results { display: block; }
.q-block { padding: 6px 0; }
.q-title { font-weight: 600; margin-bottom: 8px; }
.chart { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 1fr 3fr auto; align-items: center; gap: 12px; }
.bar-label { color: var(--text); }
.bar-track { height: 12px; border-radius: 999px; background: color-mix(in oklab, var(--card), transparent 70%); border: 1px solid var(--border); overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary-700), var(--primary)); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08); }
.bar-meta { color: var(--muted); font-size: .875rem; min-width: 64px; text-align: right; }

/* ---------- Today ranking panel ---------- */
.question-row { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; align-items: start; }
.q-title { font-weight: 600; margin-bottom: 8px; }
.rank-panel { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: color-mix(in oklab, var(--card), transparent 40%); }
.rank-title { font-size: .9rem; color: var(--muted); margin-bottom: 8px; }
.rank-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.rank-item { display: grid; grid-template-columns: 24px 1fr; align-items: center; gap: 8px; background: color-mix(in oklab, var(--primary), transparent 88%); border: 1px solid color-mix(in oklab, var(--primary), var(--border) 60%); border-radius: 10px; padding: 6px 8px; }
.rank-num { display: inline-flex; width: 24px; height: 24px; align-items: center; justify-content: center; border-radius: 999px; background: color-mix(in oklab, var(--primary), transparent 70%); color: var(--text); font-weight: 600; font-size: .8rem; }
.rank-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 800px) { .question-row { grid-template-columns: 1fr; } }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .container { padding: 18px 14px; }
  .header-inner { gap: 8px; }
  .brand { font-size: 1.15rem; }
  .tabs { flex-wrap: wrap; }
}

/* ---------- Ask form spacing tweaks ---------- */
#ask-form [data-q-options] { gap: 16px; margin-top: 8px; }
#ask-form [data-add-q-option] { margin-top: 12px; }
@media (max-width: 640px) {
  #ask-form [data-q-options] { gap: 14px; }
}