:root {
  color-scheme: dark;
  --bg: #080b12;
  --bg-2: #0c1220;
  --card: rgba(17, 24, 39, 0.82);
  --card-solid: #111827;
  --card-2: rgba(31, 41, 55, 0.76);
  --line: rgba(255, 255, 255, 0.11);
  --text: #f8fafc;
  --muted: #9ca3af;
  --soft: #cbd5e1;
  --brand: #8b5cf6;
  --brand-2: #06b6d4;
  --good: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius: 24px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% -8%, rgba(139, 92, 246, 0.35), transparent 30rem),
    radial-gradient(circle at 90% 8%, rgba(6, 182, 212, 0.20), transparent 28rem),
    radial-gradient(circle at 50% 120%, rgba(34, 197, 94, 0.08), transparent 30rem),
    var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled, .disabled { opacity: 0.48; cursor: not-allowed; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 16px;
  padding: 0.86rem 0.95rem;
  outline: none;
}
textarea { min-height: 86px; resize: vertical; }
select option { background: #111827; color: var(--text); }
input:focus, select:focus, textarea:focus { border-color: rgba(139, 92, 246, 0.85); box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.14); }
label { display: grid; gap: 0.46rem; color: var(--soft); font-size: 0.92rem; }

.shell { width: min(1180px, calc(100% - 30px)); margin: 0 auto; }
.app-shell { width: min(1480px, calc(100% - 24px)); margin: 0 auto; padding: 18px 0 28px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.88rem; }
.eyebrow { color: var(--brand-2); text-transform: uppercase; letter-spacing: 0.14em; font-weight: 850; font-size: 0.72rem; margin: 0 0 0.65rem; }
.gradient-text { background: linear-gradient(135deg, #ffffff, #c4b5fd 50%, #67e8f9); -webkit-background-clip: text; background-clip: text; color: transparent; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 11, 18, 0.82);
  backdrop-filter: blur(18px);
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -0.03em; }
.logo { width: 38px; height: 38px; border-radius: 12px; }
.nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nav a { color: var(--soft); padding: 0.65rem 0.75rem; border-radius: 999px; }
.nav a:hover { background: rgba(255,255,255,0.07); color: var(--text); }

.hero { padding: 76px 0 40px; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 30px; align-items: center; }
.hero h1 { margin: 0; font-size: clamp(2.4rem, 7vw, 5.6rem); line-height: 0.92; letter-spacing: -0.08em; }
.hero-copy { margin: 22px 0; color: var(--soft); font-size: clamp(1.05rem, 2vw, 1.3rem); line-height: 1.62; max-width: 660px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-card, .card, .auth-card, .room-panel, .sidebar, .app-main, .modal-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: 26px; transform: rotate(1deg); }
.mock-room { display: grid; gap: 16px; }
.mock-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.badge, .status-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.35rem 0.58rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: var(--soft);
  font-size: 0.78rem;
  white-space: nowrap;
}
.score-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; }
.score-box { padding: 16px; border: 1px solid var(--line); background: rgba(255,255,255,0.05); border-radius: 18px; }
.score-box strong { display: block; font-size: 1.9rem; margin-top: 4px; }
.vs { color: var(--muted); font-weight: 900; }
.ranking-list { display: grid; gap: 10px; }
.rank-item { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,0.04); }
.rank-no { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 10px; background: linear-gradient(135deg, rgba(139,92,246,0.9), rgba(6,182,212,0.82)); font-weight: 900; }

.section { padding: 58px 0; }
.section h2 { margin: 0 0 12px; font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -0.055em; }
.section-lead { margin: 0 0 24px; color: var(--soft); line-height: 1.65; max-width: 820px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { padding: 22px; }
.card h3 { margin: 0 0 10px; letter-spacing: -0.03em; }
.card p { margin: 0; color: var(--muted); line-height: 1.58; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: step; }
.step { position: relative; padding: 20px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,0.045); }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--brand); font-weight: 900; margin-bottom: 16px; }
.footer { padding: 34px 0; border-top: 1px solid var(--line); color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

.primary-button, .secondary-button, .ghost-button, .danger-button, .google-button {
  border: 1px solid transparent;
  border-radius: 16px;
  padding: 0.84rem 1rem;
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
}
.primary-button { color: white; background: linear-gradient(135deg, var(--brand), #2563eb); box-shadow: 0 14px 40px rgba(79, 70, 229, 0.25); }
.secondary-button { color: var(--text); border-color: var(--line); background: rgba(255,255,255,0.08); }
.ghost-button { color: var(--soft); border-color: var(--line); background: rgba(255,255,255,0.03); }
.google-button { color: #111827; background: #ffffff; }
.danger-button { color: white; background: rgba(239, 68, 68, 0.92); }
.full-width { width: 100%; }
.button-row { display: flex; gap: 10px; flex-wrap: wrap; }

.auth-page { min-height: 100vh; display: grid; align-items: center; padding: 26px 0; }
.auth-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 24px; align-items: stretch; }
.auth-card { padding: 24px; }
.auth-card h1, .auth-card h2 { margin: 0 0 14px; letter-spacing: -0.05em; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 18px; }
.tab-button { border: 1px solid var(--line); background: rgba(255,255,255,0.05); color: var(--soft); border-radius: 14px; padding: 0.75rem; font-weight: 850; }
.tab-button.active { color: var(--text); border-color: rgba(139,92,246,0.65); background: rgba(139,92,246,0.17); }
.form-stack { display: grid; gap: 13px; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 0.86rem; margin: 14px 0; }
.divider::before, .divider::after { content: ""; height: 1px; background: var(--line); flex: 1; }
.toast { position: fixed; right: 18px; top: 18px; max-width: min(420px, calc(100% - 36px)); z-index: 100; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(17,24,39,0.96); color: var(--text); opacity: 0; transform: translateY(-10px); transition: 180ms ease; box-shadow: var(--shadow); pointer-events: none; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: rgba(239,68,68,0.6); }

.app-grid { display: grid; grid-template-columns: 330px 1fr; gap: 18px; align-items: start; }
.sidebar { position: sticky; top: 88px; padding: 16px; min-height: calc(100vh - 112px); }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 18px; }
.user-card { padding: 14px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,0.045); display: grid; gap: 4px; }
.room-tools, .join-tools { display: grid; gap: 10px; margin-top: 16px; }
.room-list { display: grid; gap: 10px; margin-top: 14px; }
.room-button { width: 100%; text-align: left; border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.055); border-radius: 16px; padding: 12px; display: grid; gap: 4px; }
.room-button.active { border-color: rgba(139,92,246,0.75); background: rgba(139,92,246,0.18); }
.app-main { padding: 18px; min-height: calc(100vh - 112px); }
.room-header { display: flex; justify-content: space-between; gap: 14px; align-items: start; margin-bottom: 16px; }
.room-header h1 { margin: 0; letter-spacing: -0.055em; font-size: clamp(1.7rem, 4vw, 2.8rem); }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 18px; }
.app-tab { border: 1px solid var(--line); background: rgba(255,255,255,0.045); color: var(--soft); border-radius: 999px; padding: 0.65rem 0.82rem; font-weight: 780; }
.app-tab.active { color: white; background: rgba(139,92,246,0.26); border-color: rgba(139,92,246,0.7); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 14px; }
.kpi { padding: 15px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,0.045); }
.kpi span { display: block; color: var(--muted); font-size: 0.82rem; }
.kpi strong { display: block; margin-top: 4px; font-size: 1.65rem; letter-spacing: -0.04em; }
.room-panel { padding: 16px; box-shadow: none; }
.room-panel h2, .room-panel h3 { margin: 0 0 12px; letter-spacing: -0.04em; }
.inline-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; align-items: end; }
.inline-form .wide { grid-column: 1 / -1; }
.list { display: grid; gap: 10px; }
.list-row { border: 1px solid var(--line); border-radius: 16px; padding: 12px; background: rgba(255,255,255,0.04); display: grid; gap: 5px; }
.match-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--soft); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.07em; }
tr:last-child td { border-bottom: 0; }
.qr-box { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; }
.qr-box img { width: 128px; height: 128px; border-radius: 14px; background: white; padding: 8px; }
.chat-log { max-height: 360px; overflow: auto; display: grid; gap: 10px; padding-right: 4px; }
.chat-message { border: 1px solid var(--line); border-radius: 16px; padding: 10px 12px; background: rgba(255,255,255,0.04); }
.import-preview { display: grid; gap: 12px; }
.mapping-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.notice { border: 1px solid rgba(245,158,11,0.35); background: rgba(245,158,11,0.09); color: #fde68a; border-radius: 16px; padding: 12px; line-height: 1.5; }
.success { border-color: rgba(34,197,94,0.45); background: rgba(34,197,94,0.09); color: #bbf7d0; }
.empty-state { padding: 30px; text-align: center; border: 1px dashed var(--line); border-radius: 22px; color: var(--muted); }

.modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; background: rgba(0,0,0,0.58); padding: 18px; }
.modal-card { width: min(620px, 100%); padding: 22px; }
.modal-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }

@media (max-width: 980px) {
  .hero, .auth-grid, .app-grid, .panel-grid, .grid-3, .steps { grid-template-columns: 1fr; }
  .sidebar { position: static; min-height: unset; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-card { transform: none; }
}
@media (max-width: 620px) {
  .topbar-inner { min-height: 62px; }
  .nav a:not(.primary-button) { display: none; }
  .hero { padding-top: 42px; }
  .score-row, .qr-box, .room-header, .footer-inner { grid-template-columns: 1fr; display: grid; }
  .inline-form, .mapping-grid, .kpi-grid { grid-template-columns: 1fr; }
  .button-row { display: grid; }
}

.language-select {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 10px 34px 10px 14px;
  font-weight: 700;
  min-width: 126px;
}
.language-select option { color: #111827; }
.auth-topbar { position: fixed; inset: 0 0 auto 0; z-index: 20; }
.has-topbar { padding-top: 88px; }
[dir="rtl"] body { text-align: right; }
[dir="rtl"] .topbar-inner,
[dir="rtl"] .button-row,
[dir="rtl"] .hero-actions,
[dir="rtl"] .mock-title,
[dir="rtl"] .footer-inner,
[dir="rtl"] .sidebar-head,
[dir="rtl"] .room-header,
[dir="rtl"] .qr-box,
[dir="rtl"] .list-row,
[dir="rtl"] .rank-item,
[dir="rtl"] .score-row { direction: rtl; }
[dir="rtl"] input,
[dir="rtl"] textarea,
[dir="rtl"] select { text-align: right; }
[dir="rtl"] .vs { direction: ltr; }

/* v4 review, claim and notification UI */
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.compact { min-height: 34px; padding: 0.48rem 0.68rem; border-radius: 12px; font-size: 0.82rem; }
.compact-label { min-width: 160px; }
.compact-label input { padding: 0.52rem 0.62rem; border-radius: 12px; }
.match-card { gap: 10px; }
.match-actions { display: flex; flex-wrap: wrap; align-items: end; gap: 8px; padding-top: 6px; }
.notification-row { border-color: rgba(139, 92, 246, 0.28); }
.import-pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
@media (max-width: 620px) {
  .row-between, .match-actions { display: grid; grid-template-columns: 1fr; align-items: stretch; }
  .compact-label { min-width: 0; }
}