/* ── Reset & base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-secondary: #6b7280;
  --color-success: #059669;
  --color-danger: #dc2626;
  --color-bg: #f9fafb;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
}

html { font-size: 16px; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

/* ── Utility ────────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.hint { color: var(--color-text-muted); font-size: .9rem; margin-top: .5rem; }
.error-msg { color: var(--color-danger); font-size: .9rem; margin-top: .5rem; }

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .6rem 1.25rem; border-radius: var(--radius);
  font-size: 1rem; font-weight: 600; cursor: pointer;
  border: 2px solid transparent; transition: background .15s, color .15s;
  text-decoration: none;
}
.btn-primary  { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: #fff; }
.btn-success  { background: var(--color-success); color: #fff; }
.btn-ghost    { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { background: var(--color-border); }
.btn-danger   { background: var(--color-danger); color: #fff; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ── Forms ──────────────────────────────────────────────────────────────────── */
label { display: flex; flex-direction: column; gap: .35rem; font-weight: 500; font-size: .95rem; }
input[type="text"], input[type="password"], input[type="url"],
textarea, select {
  padding: .5rem .75rem; border: 1.5px solid var(--color-border);
  border-radius: var(--radius); font-size: 1rem; background: var(--color-surface);
  transition: border-color .15s;
}
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--color-primary);
}
fieldset { border: 1.5px solid var(--color-border); border-radius: var(--radius); padding: .75rem 1rem; }
fieldset legend { padding: 0 .5rem; font-weight: 600; }
fieldset label { flex-direction: row; align-items: center; gap: .5rem; font-weight: 400; }

/* ── Layout ─────────────────────────────────────────────────────────────────── */
main#app {
  max-width: 720px; margin: 0 auto; padding: 2rem 1rem;
}

/* ── Home ───────────────────────────────────────────────────────────────────── */
.how-it-works {
  display: flex; gap: 1rem; margin: 1.5rem 0 2rem; flex-wrap: wrap;
}
.step {
  flex: 1; min-width: 140px;
  background: var(--color-surface); border-radius: var(--radius);
  padding: 1rem; box-shadow: var(--shadow); display: flex; align-items: flex-start; gap: .75rem;
}
.step-num {
  background: var(--color-primary); color: #fff;
  font-weight: 900; font-size: 1rem;
  border-radius: 50%; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.step p { font-size: .9rem; color: var(--color-text-muted); margin: 0; line-height: 1.4; }
h1 { font-size: 2rem; font-weight: 800; color: var(--color-primary); }
.subtitle { font-size: 1.1rem; color: var(--color-text-muted); margin: .5rem 0 2rem; }
.home-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.form-section { background: var(--color-surface); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.form-section h2 { margin-bottom: 1rem; }
.form-section form { display: flex; flex-direction: column; gap: 1rem; }
#category-list { display: flex; flex-wrap: wrap; gap: .5rem; }
#category-list label { flex-direction: row; align-items: center; gap: .4rem; font-weight: 400; font-size: .9rem; }

/* ── Game views ─────────────────────────────────────────────────────────────── */
.view h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }

/* Lobby */
#lobby-code { font-family: monospace; font-size: 1.5rem; letter-spacing: .15em; }
#lobby-players { list-style: none; display: flex; flex-direction: column; gap: .4rem; margin: 1rem 0; }
#lobby-players li { display: flex; align-items: center; gap: .5rem; }
#lobby-players .disconnected { opacity: .5; }

/* Question */
.question-header { display: flex; gap: 1rem; font-size: .9rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.countdown {
  font-size: 3rem; font-weight: 900; color: var(--color-primary);
  text-align: center; margin: 1rem 0;
}
.countdown.urgent { color: var(--color-danger); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.1)} }
.question-text { font-size: 1.3rem; font-weight: 600; margin-bottom: 1rem; line-height: 1.5; }
.question-img { max-width: 100%; border-radius: var(--radius); margin-bottom: 1rem; }
#answer-input { width: 100%; font-size: 1.1rem; padding: .75rem 1rem; }

/* Reveal */
#reveal-answers { list-style: none; display: flex; flex-direction: column; gap: .5rem; }
#reveal-answers li { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: .6rem 1rem; }
.correct-answer { background: #d1fae5; color: #065f46; padding: .75rem 1rem; border-radius: var(--radius); font-weight: 700; font-size: 1.1rem; margin-bottom: 1rem; }

/* Validation */
.val-player-row { display: flex; align-items: center; gap: 1rem; padding: .75rem; border-bottom: 1px solid var(--color-border); flex-wrap: wrap; }
.val-player-row .pseudo { font-weight: 700; min-width: 100px; }
.val-player-row .answer { flex: 1; color: var(--color-text-muted); font-style: italic; }
.score-btns { display: flex; gap: .5rem; }
.score-btn { padding: .35rem .75rem; border-radius: var(--radius); border: 2px solid var(--color-border); background: transparent; cursor: pointer; font-weight: 700; }
.score-btn.selected-0  { background: #fee2e2; border-color: var(--color-danger); }
.score-btn.selected-05 { background: #fef3c7; border-color: #f59e0b; }
.score-btn.selected-1  { background: #d1fae5; border-color: var(--color-success); }

/* Leaderboard */
#leaderboard-list, #final-leaderboard { list-style: none; counter-reset: rank; display: flex; flex-direction: column; gap: .5rem; }
#leaderboard-list li, #final-leaderboard li {
  counter-increment: rank;
  display: flex; align-items: center; gap: 1rem;
  background: var(--color-surface); padding: .75rem 1rem;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
#leaderboard-list li::before, #final-leaderboard li::before {
  content: counter(rank); font-weight: 900; font-size: 1.2rem;
  min-width: 2rem; color: var(--color-text-muted);
}
.lb-pseudo { flex: 1; font-weight: 600; }
.lb-score { font-weight: 700; font-size: 1.1rem; }
.lb-delta { font-size: .85rem; color: var(--color-success); }

/* ── Transition between questions ───────────────────────────────────────────── */
.transition-label { text-align: center; color: var(--color-text-muted); font-size: 1rem; margin-bottom: .25rem; }

/* ── Review phase ────────────────────────────────────────────────────────────── */
.review-progress { font-weight: 600; color: var(--color-primary); margin: .5rem 0 1rem; }
#btn-validate-question { display: block; margin: 1.5rem auto 0; }
.gameover-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }
#review-leaderboard { list-style: none; counter-reset: rank; display: flex; flex-direction: column; gap: .5rem; margin-top: 1rem; }
#review-leaderboard li {
  counter-increment: rank;
  display: flex; align-items: center; gap: 1rem;
  background: var(--color-surface); padding: .75rem 1rem;
  border-radius: var(--radius); box-shadow: var(--shadow);
}
#review-leaderboard li::before { content: counter(rank); font-weight: 900; font-size: 1.2rem; min-width: 2rem; color: var(--color-text-muted); }

/* ── Admin ──────────────────────────────────────────────────────────────────── */
.admin-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--color-border); margin-bottom: 1.5rem; }
.tab-btn { padding: .6rem 1.25rem; background: none; border: none; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--color-text-muted); border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.panel-toolbar { display: flex; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap; align-items: center; }
.filters { display: flex; gap: .75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.data-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.data-table th, .data-table td { padding: .6rem 1rem; text-align: left; }
.data-table th { background: #f3f4f6; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }
.data-table tr { border-bottom: 1px solid var(--color-border); }
.data-table tr:last-child { border-bottom: none; }
.form-card { background: var(--color-surface); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); margin-top: 1rem; }
.form-card h3 { margin-bottom: 1rem; }
.form-card form { display: flex; flex-direction: column; gap: .85rem; }
.form-actions { display: flex; gap: .75rem; }
.import-report { margin-top: 1rem; background: var(--color-surface); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); }
.spinner-text { text-align: center; font-size: 1.2rem; color: var(--color-text-muted); margin-top: 3rem; }

/* ── Reconnect overlay ───────────────────────────────────────────────────────── */
.reconnect-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.reconnect-box {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 2rem 2.5rem;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0,0,0,.2);
}
.reconnect-box p { margin-top: 1rem; color: var(--color-text-muted); font-size: 1rem; }
.spinner {
  width: 40px; height: 40px; border-radius: 50%;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  animation: spin .8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast notification ──────────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: #1f2937; color: #fff;
  padding: .65rem 1.25rem; border-radius: var(--radius);
  font-size: .95rem; font-weight: 500; z-index: 999;
  animation: fadeUp .3s ease;
}
@keyframes fadeUp { from { opacity: 0; transform: translateX(-50%) translateY(8px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ── Game code copy button ───────────────────────────────────────────────────── */
.code-row { display: flex; align-items: center; gap: .75rem; margin: .5rem 0 1rem; }
.code-copy { font-size: .8rem; padding: .3rem .7rem; cursor: pointer; }
.game-code { font-family: monospace; font-size: 1.5rem; letter-spacing: .15em; }

/* ── Join code input ─────────────────────────────────────────────────────────── */
.input-code { text-transform: uppercase; letter-spacing: .15em; font-family: monospace; font-size: 1.2rem; }

/* ── Admin link ──────────────────────────────────────────────────────────────── */
.admin-link { margin-top: 3rem; text-align: center; font-size: .85rem; }

/* ── Host badge in lobby ─────────────────────────────────────────────────────── */
.host-tag { font-size: .75rem; background: var(--color-primary); color: #fff; border-radius: 999px; padding: .1rem .5rem; }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  .countdown { font-size: 2.5rem; }
  .val-player-row { flex-direction: column; align-items: flex-start; }
}