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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #242836;
  --border: #2e3347;
  --text: #e4e6f0;
  --text2: #8b8fa3;
  --primary: #6c5ce7;
  --primary-hover: #7c6ef7;
  --danger: #e74c3c;
  --success: #27ae60;
  --accent: #00cec9;
  --radius: 10px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ── Landing ─────────────────────────────────────────────── */
.landing {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.landing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  position: relative;
}

.landing-card-wide {
  max-width: 560px;
}

/* ── Language Toggle ─────────────────────────────────────── */
.lang-toggle {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  gap: 4px;
  background: var(--surface2);
  border-radius: 6px;
  padding: 3px;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text2);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s, color .2s;
  letter-spacing: .5px;
}

.lang-btn:hover { color: var(--text); }
.lang-btn.active { background: var(--primary); color: #fff; }
}

/* ── Intro Tabs (Landing) ──────────────────────────────── */
.intro-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--surface2);
  border-radius: var(--radius);
  padding: 4px;
}

.intro-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text2);
  padding: 10px 8px;
  font-size: .9rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.intro-tab:hover {
  color: var(--text);
}

.intro-tab.active {
  background: var(--primary);
  color: #fff;
}

.intro-panel {
  display: none;
  text-align: left;
}

.intro-panel.active {
  display: block;
}

.intro-section {
  margin-bottom: 20px;
}

.intro-section h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text);
}

.intro-section p {
  color: var(--text2);
  font-size: .92rem;
  line-height: 1.6;
}

.intro-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.intro-list li {
  color: var(--text2);
  font-size: .92rem;
  line-height: 1.6;
}

.intro-list-ordered {
  list-style: none;
  counter-reset: step;
}

.intro-list-ordered li {
  counter-increment: step;
}

.intro-list-ordered li::before {
  content: counter(step) ". ";
  color: var(--primary);
  font-weight: 700;
}

.intro-warn {
  background: rgba(231, 76, 60, .08);
  border: 1px solid rgba(231, 76, 60, .2);
  border-radius: var(--radius);
  padding: 16px;
}

.intro-warn h3 {
  color: var(--danger);
}

.logo {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.tagline {
  color: var(--text2);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

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

.join-form input, .login-form input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s;
}

.join-form input:focus, .login-form input:focus {
  border-color: var(--primary);
}

.join-form button, .login-form button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 14px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}

.join-form button:hover, .login-form button:hover {
  background: var(--primary-hover);
}

.divider {
  display: flex;
  align-items: center;
  margin: 24px 0;
  color: var(--text2);
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider span { padding: 0 12px; font-size: .85rem; }

.admin-link {
  display: inline-block;
  color: var(--text2);
  font-size: .95rem;
  transition: color .2s;
}

.admin-link:hover { color: var(--primary); }

.back-link { display: inline-block; margin-top: 20px; color: var(--text2); font-size: .9rem; }

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

.error-msg {
  background: rgba(231, 76, 60, .15);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 12px;
  font-size: .9rem;
}

/* ── Nav ─────────────────────────────────────────────────── */
.admin-nav, .room-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-sm { font-size: 1.3rem; font-weight: 700; color: var(--text) !important; }

.nav-link { color: var(--text2); margin-left: 20px; font-size: .9rem; }
.nav-link:hover { color: var(--primary); }

.room-title-nav { color: var(--text2); font-size: .95rem; }

/* ── Container ───────────────────────────────────────────── */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 16px;
}

h2 { font-size: 1.5rem; margin-bottom: 20px; }

/* ── Room header ─────────────────────────────────────────── */
.room-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.share-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.share-url {
  color: var(--text2);
  font-size: .85rem;
  word-break: break-all;
}

.qr-box {
  text-align: center;
}

.qr-box img {
  background: #fff;
  border-radius: 8px;
  padding: 8px;
}

.qr-box small { display: block; color: var(--text2); margin-top: 4px; }

/* ── Badges ──────────────────────────────────────────────── */
.code-badge {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 6px;
  font-family: monospace;
  font-size: .85rem;
  color: var(--accent);
}

.code-badge.big { font-size: 1.2rem; padding: 6px 14px; }

.status-badge {
  font-size: .75rem;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--surface2);
  color: var(--text2);
}

.status-badge.active {
  background: rgba(39, 174, 96, .2);
  color: var(--success);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}

.btn:hover { background: var(--primary-hover); }

.btn-sm { padding: 6px 12px; font-size: .8rem; }
.btn-xs { padding: 4px 10px; font-size: .75rem; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
}

.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: transparent; }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #c0392b; }

/* ── Create room form ────────────────────────────────────── */
.create-room-form {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.create-room-form input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-size: .95rem;
  outline: none;
}

.create-room-form input:focus { border-color: var(--primary); }

/* ── Room list ───────────────────────────────────────────── */
.room-list { display: flex; flex-direction: column; gap: 12px; }

.room-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.room-card.inactive { opacity: .5; }

.room-info h3 { font-size: 1.1rem; margin-bottom: 4px; }
.room-info h3 a { color: var(--text); }
.room-info h3 a:hover { color: var(--primary); }

.room-meta { display: flex; gap: 8px; align-items: center; }

.room-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.empty { color: var(--text2); text-align: center; padding: 40px 0; }

/* ── Tabs ────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab {
  background: none;
  border: none;
  color: var(--text2);
  padding: 10px 20px;
  font-size: .95rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all .2s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Ask form ────────────────────────────────────────────── */
.ask-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ask-form input, .ask-form textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
}

.ask-form input:focus, .ask-form textarea:focus { border-color: var(--primary); }

.ask-form .btn { align-self: flex-end; }

.closed-msg {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: var(--text2);
  margin-bottom: 20px;
}

/* ── Sort ────────────────────────────────────────────────── */
.sort-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.sort-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  color: var(--text2);
  font-size: .8rem;
  cursor: pointer;
  transition: all .2s;
}

.sort-btn:hover { border-color: var(--primary); color: var(--primary); }
.sort-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Question cards ──────────────────────────────────────── */
.question-list { display: flex; flex-direction: column; gap: 10px; }

.q-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  transition: all .3s;
  animation: fadeIn .3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.q-card.pinned { border-color: var(--accent); background: rgba(0, 206, 201, .05); }
.q-card.answered { opacity: .6; }

.q-body { flex: 1; }
.q-text { display: inline; word-break: break-word; }
.q-nick { display: block; color: var(--text2); font-size: .8rem; margin-top: 4px; }
.pin-icon, .answered-icon { margin-right: 4px; }

.q-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; flex-wrap: wrap; }

.like-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  color: var(--text);
  font-size: .85rem;
  cursor: pointer;
  transition: all .2s;
}

.like-btn:hover:not(.liked):not(:disabled) { border-color: var(--primary); background: rgba(108, 92, 231, .1); }
.like-btn.liked {
  background: rgba(108, 92, 231, .2);
  border-color: var(--primary);
  cursor: default;
  pointer-events: none;
}
.like-btn:disabled {
  pointer-events: none;
}

.like-count { font-size: .85rem; color: var(--text2); }

/* ── Poll ────────────────────────────────────────────────── */
.poll-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.poll-form input, .poll-form textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  resize: vertical;
}

.poll-form input:focus, .poll-form textarea:focus { border-color: var(--primary); }

.poll-list { display: flex; flex-direction: column; gap: 14px; }

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

.poll-question {
  font-size: 1.1rem;
  margin-bottom: 14px;
}

.poll-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 8px;
  flex-wrap: wrap;
}

.poll-header h4 { font-size: 1.05rem; }

.poll-options { display: flex; flex-direction: column; gap: 8px; }

.poll-total {
  margin-top: 10px;
  font-size: .8rem;
  color: var(--text2);
  text-align: right;
}

/* Admin poll option (non-interactive) */
.poll-opt {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Participant poll vote button */
.poll-vote-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--text);
  cursor: pointer;
  transition: all .2s;
  overflow: hidden;
  min-height: 48px;
}

.poll-vote-btn:hover:not(.voted):not(:disabled) {
  border-color: var(--primary);
  background: rgba(108, 92, 231, .05);
}

.poll-vote-btn:active:not(.voted):not(:disabled) {
  transform: scale(0.98);
}

.poll-vote-btn.voted {
  cursor: default;
  pointer-events: none;
}

.poll-vote-btn.voted.selected {
  border-color: var(--primary);
  background: rgba(108, 92, 231, .08);
}

.poll-vote-btn:disabled {
  pointer-events: none;
}

.poll-vote-btn .opt-label {
  position: relative;
  z-index: 1;
  font-weight: 500;
  flex: 1;
}

.poll-vote-btn .opt-meta {
  position: relative;
  z-index: 1;
  color: var(--text2);
  font-size: .85rem;
  flex-shrink: 0;
  margin-left: 12px;
  white-space: nowrap;
}

.poll-vote-btn .opt-pct {
  font-weight: 600;
  color: var(--primary);
}

.poll-vote-btn .opt-count {
  color: var(--text2);
  font-size: .8rem;
}

.poll-vote-btn .opt-bar {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 100%;
  pointer-events: none;
}

.poll-vote-btn .opt-fill {
  height: 100%;
  background: rgba(108, 92, 231, .12);
  border-radius: 8px;
  transition: width .5s ease;
}

/* Non-button opt-bar (admin view) */
.poll-opt .opt-label { font-weight: 500; }
.poll-opt .opt-count { color: var(--text2); font-size: .85rem; margin-left: 8px; }

.poll-opt .opt-bar {
  height: 8px;
  background: var(--surface2);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 4px;
}

.poll-opt .opt-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width .5s ease;
}

/* ── Disabled button global ──────────────────────────────── */
.btn:disabled {
  opacity: .6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .landing-card { padding: 32px 20px; }
  .landing-card-wide { max-width: 100%; }
  .intro-tab { font-size: .8rem; padding: 8px 4px; }
  .room-header { flex-direction: column; }
  .q-card { flex-direction: column; }
  .q-actions { justify-content: flex-end; }
  .room-card { flex-direction: column; align-items: flex-start; }
  .room-actions { width: 100%; }
}

/* ── SEO Section ─────────────────────────────────────────── */
.seo-section {
  max-width: 600px;
  margin: 0 auto 48px;
  padding: 0 20px;
}

.seo-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  color: var(--text2);
  font-size: .9rem;
  line-height: 1.8;
}

.seo-content h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.seo-content p {
  margin-bottom: 12px;
}

.seo-content ul {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.seo-content strong {
  color: var(--text);
}

@media (max-width: 600px) {
  .seo-content { padding: 20px 16px; }
}