:root {
  --bg: #f5f9ff;
  --panel: rgba(255, 255, 255, 0.8);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --surface: #eaf4ff;
  --surface-soft: #dfeeff;
  --primary: #035ba4;
  --primary-strong: #024a8a;
  --secondary: #4d9ef5;
  --gold: #f3b93c;
  --danger: #e85b5b;
  --text: #09253d;
  --muted: #4f687f;
  --line: rgba(3, 91, 164, 0.12);
  --shadow: 0 30px 80px rgba(3, 91, 164, 0.12);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(77, 158, 245, 0.18), transparent 23%),
    radial-gradient(circle at bottom right, rgba(3, 91, 164, 0.10), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(120deg, rgba(77, 158, 245, 0.08), transparent 35%, rgba(3, 91, 164, 0.06));
  pointer-events: none;
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #081922;
  display: grid;
  place-items: center;
  font-size: 0.9rem;
}

.topnav {
  display: flex;
  gap: 10px;
}

.nav-btn,
.primary-btn,
.secondary-btn,
.ghost-btn,
.mode-btn {
  border: 1px solid transparent;
  border-radius: 14px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, opacity 0.18s ease;
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.mode-btn {
  padding: 0.95rem 1.4rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(3, 91, 164, 0.2);
}

.secondary-btn {
  background: rgba(3, 91, 164, 0.08);
  color: var(--primary);
  border-color: rgba(3, 91, 164, 0.18);
}

.invite-status {
  min-height: 20px;
  margin-top: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #0f9a4a;
  opacity: 1;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.invite-status.hidden {
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
}

.invite-status.error {
  color: var(--danger);
}

.ghost-btn {
  background: rgba(255, 255, 255, 0.4);
  color: var(--text);
  border-color: var(--line);
}

.nav-btn {
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.5);
  border-color: var(--line);
  color: var(--text);
  backdrop-filter: blur(10px);
}

.primary-btn:hover,
.secondary-btn:hover,
.ghost-btn:hover,
.nav-btn:hover,
.mode-btn:hover {
  transform: translateY(-1px);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 32px;
  align-items: center;
  min-height: calc(100vh - 120px);
  padding: 28px 0 10px;
}

.hero-copy h1 {
  margin: 18px 0 18px;
  font-size: clamp(2.7rem, 5vw, 5.3rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.hero-copy p {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.pill,
.eyebrow,
.live-tag,
.room-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
  font-weight: 700;
}

.pill {
  padding: 0.7rem 1rem;
  background: rgba(3, 91, 164, 0.08);
  color: var(--primary);
  border: 1px solid rgba(3, 91, 164, 0.14);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.mini-stats {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.mini-stats li {
  min-width: 118px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  box-shadow: 0 10px 25px rgba(3, 91, 164, 0.04);
}

.mini-stats strong {
  font-size: 1.05rem;
}

.mini-stats span {
  color: var(--muted);
  font-size: 0.8rem;
}

.hero-card,
.panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(243, 249, 255, 0.92));
  border: 1px solid rgba(3, 91, 164, 0.1);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: 24px;
}

.card-header,
.section-head.split,
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.live-tag {
  padding: 0.35rem 0.55rem;
  background: rgba(255, 107, 107, 0.14);
  color: #ffb8b8;
}

.room-code {
  color: var(--muted);
  font-weight: 600;
}

.card-players {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.player-row {
  display: flex;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(3, 91, 164, 0.08);
  color: var(--text);
}

.round-panel {
  margin-top: 26px;
  background: linear-gradient(180deg, rgba(3, 91, 164, 0.08), rgba(90, 154, 230, 0.04));
  border: 1px solid rgba(3, 91, 164, 0.16);
  border-radius: 20px;
  padding: 20px 18px;
}

.round-title,
.language-label,
.eyebrow {
  color: var(--primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

.round-panel h3 {
  margin: 8px 0 10px;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.round-panel p {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.panel {
  padding: 32px;
  max-width: 820px;
  margin: 0 auto;
}

.narrow {
  max-width: 560px;
}

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

.section-head h2 {
  margin: 8px 0 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.06em;
}

.center {
  text-align: center;
}

.stacked-form {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 600;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--text);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}

.button-row {
  margin-top: 6px;
}

.sign-in-panel {
  text-align: center;
  padding: 40px 32px;
}

.sign-in-copy {
  margin: 18px 0 28px;
  color: var(--muted);
  line-height: 1.7;
}

.sign-in-btn {
  max-width: 340px;
  margin: 0 auto;
}

.mode-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}

.mode-btn {
  background: rgba(3, 91, 164, 0.04);
  color: var(--text);
  border-color: var(--line);
}

.join-room-box {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.join-room-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 12px;
}

.room-header-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.room-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.room-badge {
  background: rgba(3, 91, 164, 0.08);
  color: var(--primary);
  border: 1px solid rgba(3, 91, 164, 0.18);
}

.status-badge {
  background: rgba(74, 203, 153, 0.12);
  color: #0d855a;
  border: 1px solid rgba(74, 203, 153, 0.18);
}

.lobby-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}

.players-panel,
.match-panel {
  background: rgba(3, 91, 164, 0.02);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
}

.player-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.player-pill {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  box-shadow: 0 8px 20px rgba(3, 91, 164, 0.04);
}

.player-pill.is-you {
  background: linear-gradient(135deg, rgba(77, 158, 245, 0.12), rgba(255, 255, 255, 0.85));
  border-color: rgba(3, 91, 164, 0.18);
}

.player-pill-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.player-pill strong {
  font-size: 0.9rem;
}

.player-pill small {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.player-score {
  font-weight: 800;
  color: var(--primary);
  font-size: 0.82rem;
}

.match-panel {
  display: grid;
  gap: 14px;
}

.match-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}

.match-stat span {
  color: var(--muted);
  font-size: 0.8rem;
}

.matchup-stat strong {
  font-size: 1rem;
  letter-spacing: -0.03em;
}

.full-width {
  width: 100%;
}

.game-panel {
  max-width: 900px;
}

.hud {
  display: flex;
  gap: 12px;
}

.score-box {
  min-width: 100px;
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.score-box span {
  font-size: 0.8rem;
  color: var(--muted);
}

.score-box strong {
  font-size: 1.4rem;
}

.timer-box strong {
  color: var(--gold);
}

.word-card {
  margin-top: 22px;
  padding: 26px 20px;
  border-radius: 18px;
  text-align: center;
  background: linear-gradient(180deg, rgba(3, 91, 164, 0.06), rgba(90, 154, 230, 0.04));
  border: 1px solid rgba(3, 91, 164, 0.16);
}

.word-display {
  margin-top: 10px;
  font-weight: 900;
  font-size: clamp(2.4rem, 7vw, 5rem);
  letter-spacing: -0.07em;
}

.round-prompt {
  margin-top: 10px;
  color: var(--muted);
  font-size: 1.05rem;
}

.answer-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 24px;
}

.feedback-box {
  margin-top: 18px;
  border-radius: 14px;
  padding: 14px 18px;
  font-weight: 700;
}

.feedback-box.success {
  background: rgba(101, 217, 181, 0.12);
  color: var(--primary);
  border: 1px solid rgba(101, 217, 181, 0.2);
}

.feedback-box.error {
  background: rgba(255, 107, 107, 0.12);
  color: #ffb8b8;
  border: 1px solid rgba(255, 107, 107, 0.24);
}

.hidden {
  display: none !important;
}

.forbidden-wrap {
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
}

.forbidden-list {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.forbidden-chip {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 107, 107, 0.1);
  border: 1px solid rgba(255, 107, 107, 0.2);
  color: #ffb8b8;
  font-size: 0.8rem;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.result-box {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  text-align: center;
}

.result-box span {
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.result-box strong {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.04em;
}

.result-actions {
  margin-top: 22px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.profile-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  margin-bottom: 22px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(77, 158, 245, 0.12), rgba(255, 255, 255, 0.9));
}

.profile-avatar,
.avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), #ff9a3d);
  color: #1b0d04;
}

.profile-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.profile-name {
  font-size: 1.1rem;
  font-weight: 800;
}

.profile-email {
  color: var(--muted);
  font-size: 0.8rem;
}

.profile-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.large-metrics {
  margin-top: 0;
}

.metric-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 12px;
  text-align: center;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.3rem;
}

.profile-view-panel {
  max-width: 760px;
}

.profile-hero {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 20px;
  margin: 20px 0;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(3, 91, 164, 0.08), rgba(77, 158, 245, 0.12));
  border: 1px solid var(--line);
}

.profile-hero-avatar,
.profile-avatar,
.avatar {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold), #ff9a3d);
  color: #1b0d04;
}

.profile-hero-copy h3 {
  margin: 0 0 4px;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
}

.profile-hero-copy p {
  margin: 0;
  color: var(--muted);
}

.profile-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.info-card {
  padding: 18px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}

.info-card span {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.info-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.1rem;
}

.profile-card {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.profile-card h3 {
  margin: 0 0 4px;
}

.profile-card p {
  margin: 0;
  color: var(--muted);
}

.profile-stats {
  margin-left: auto;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

.cta-box {
  margin-top: 22px;
  text-align: center;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.cta-box p {
  color: var(--muted);
  margin-bottom: 12px;
}

@media (max-width: 720px) {
  .hero,
  .lobby-layout,
  .results-grid,
  .mode-picker {
    grid-template-columns: 1fr;
    display: grid;
  }

  .topbar,
  .topnav,
  .card-header,
  .section-head.split,
  .game-header,
  .profile-card {
    display: grid;
  }

  .answer-form {
    grid-template-columns: 1fr;
  }

  .profile-card {
    justify-items: start;
  }

  .profile-stats {
    margin-left: 0;
  }
}