:root {
  color-scheme: dark;
  --bg: #0b0b0b;
  --bg-soft: #121212;
  --bg-strong: #1a1a1a;
  --ink: #f4f4f4;
  --ink-muted: #b8b8b8;
  --line: #2a2a2a;
  --accent: #ffffff;
  --shadow-1: 0 10px 24px rgba(0, 0, 0, 0.45);
  --shadow-2: 0 30px 60px rgba(0, 0, 0, 0.6);
  --radius: 22px;
  --radius-sm: 14px;
  --transition: 200ms ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(transparent 31px, rgba(255, 255, 255, 0.04) 32px),
    linear-gradient(90deg, transparent 31px, rgba(255, 255, 255, 0.04) 32px);
  background-size: 32px 32px;
  opacity: 0.3;
  z-index: -3;
}

.bg-noise {
  position: fixed;
  inset: -20% 0 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.15'/%3E%3C/svg%3E");
  opacity: 0.4;
  mix-blend-mode: soft-light;
  z-index: -2;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 6vw;
  backdrop-filter: blur(14px);
  background: rgba(8, 8, 8, 0.82);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-transform: uppercase;
}

.logo-mark {
  font-family: "Russo One", sans-serif;
  font-size: 20px;
  letter-spacing: 2px;
}

.logo-sub {
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 1px;
}

.nav {
  display: flex;
  gap: 26px;
}

.nav a {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--transition);
}

.nav a:hover {
  color: var(--ink);
}

.flow-section {
  display: none;
}

.flow-section.is-active {
  display: block;
}

.flow-hint {
  font-size: 12px;
  color: var(--ink-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}

.profile-btn {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, #0e0e0e, #1a1a1a);
  color: var(--ink);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: var(--shadow-1);
  transition: transform var(--transition), box-shadow var(--transition);
}

.profile-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

main {
  display: flex;
  flex-direction: column;
  gap: 90px;
  padding: 40px 6vw 100px;
}

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-card {
  padding: 40px;
  max-width: 820px;
  border-radius: var(--radius);
  background: linear-gradient(140deg, #101010, #1a1a1a 60%, #0b0b0b 100%);
  border: 1px solid #2b2b2b;
  box-shadow: var(--shadow-2);
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.08), transparent 60%);
  opacity: 0.5;
  pointer-events: none;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 12px;
  text-transform: uppercase;
}

.hero-badge {
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  background: #111111;
  letter-spacing: 1px;
}

.hero-status {
  color: var(--ink-muted);
}

.hero-card h1 {
  font-family: "Russo One", sans-serif;
  font-size: clamp(30px, 4vw, 44px);
  margin: 24px 0 14px;
}

.hero-card p {
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  background: #0f0f0f;
  box-shadow: inset 0 0 14px rgba(255, 255, 255, 0.05);
}

.metric-value {
  display: block;
  font-size: 20px;
  font-weight: 700;
}

.metric-label {
  font-size: 11px;
  color: var(--ink-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.section-head h2 {
  margin: 0 0 8px;
  font-family: "Russo One", sans-serif;
  font-size: clamp(24px, 3vw, 32px);
}

.section-head p {
  margin: 0;
  color: var(--ink-muted);
}

.arena-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 26px;
}

.panel {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, #111111, #151515 50%, #0d0d0d);
  box-shadow: var(--shadow-1);
  padding: 24px;
}

.panel-left {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.panel-right {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.panel-block h3 {
  margin: 0 0 12px;
  font-family: "Russo One", sans-serif;
  letter-spacing: 1px;
}

.mode-grid {
  display: grid;
  gap: 12px;
}

.mode-card {
  text-align: left;
  border: 1px solid var(--line);
  background: #0f0f0f;
  color: var(--ink);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--transition), border var(--transition), box-shadow var(--transition);
}

.mode-card:hover {
  transform: translateY(-2px);
  border-color: #3a3a3a;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.mode-card.is-active {
  border-color: #ffffff;
  box-shadow: inset 0 0 12px rgba(255, 255, 255, 0.2);
}

.mode-title {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 1px;
}

.mode-desc {
  display: block;
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 6px;
}

.field {
  display: grid;
  gap: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-muted);
}

input,
select {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #0f0f0f;
  color: var(--ink);
  font-family: inherit;
}

.field-hint {
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 8px;
}

.duel-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.rules ul {
  margin: 0;
  padding-left: 18px;
  color: var(--ink-muted);
  font-size: 13px;
  display: grid;
  gap: 8px;
}

.scoreboard {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px;
  background: #0e0e0e;
}

.score-box {
  display: grid;
  gap: 6px;
  justify-items: center;
}

.score-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-muted);
}

.score-value {
  font-size: 32px;
  font-weight: 700;
}

.score-meta {
  display: grid;
  gap: 8px;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--ink-muted);
  text-align: center;
}

.score-divider {
  width: 60px;
  height: 1px;
  background: var(--line);
  margin: 0 auto;
}

.rink {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 26px;
  background: radial-gradient(circle at 20% 20%, #1f1f1f, #0d0d0d 70%);
  border: 2px solid #2a2a2a;
  box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.08), var(--shadow-2);
  overflow: hidden;
}

.rink-line {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.18);
}

.goal {
  position: absolute;
  top: 50%;
  width: 16px;
  height: 120px;
  transform: translateY(-50%);
  border-radius: 8px;
  background: #ffffff;
  opacity: 0.2;
}

.goal-left {
  left: 0;
}

.goal-right {
  right: 0;
}

.paddle {
  position: absolute;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fdfdfd, #7e7e7e 70%);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.5), 0 10px 16px rgba(0, 0, 0, 0.5);
  border: 2px solid #1d1d1d;
}

.paddle-right {
  background: radial-gradient(circle at 30% 30%, #cfcfcf, #5a5a5a 70%);
}

.puck {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fefefe, #333333 70%);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.6), 0 8px 14px rgba(0, 0, 0, 0.5);
}

.rink-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.6);
  color: var(--ink-muted);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: opacity var(--transition);
}

.rink-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.arena-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.goal-toast {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--ink-muted);
  text-align: center;
}

.goal-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.btn-primary,
.btn-outline {
  padding: 12px 22px;
  border-radius: 999px;
  font-family: "Russo One", sans-serif;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
  background: #ffffff;
  color: #0b0b0b;
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 30px rgba(255, 255, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-outline:hover {
  transform: translateY(-1px);
  border-color: #ffffff;
}

.rating-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.rating-card {
  padding: 22px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #0f0f0f;
  box-shadow: var(--shadow-1);
}

.rating-card h3 {
  margin: 0 0 10px;
  font-family: "Russo One", sans-serif;
}

.rating-card p {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.5;
}

.leaderboard-table {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.leaderboard-table table {
  width: 100%;
  border-collapse: collapse;
}

.leaderboard-table th,
.leaderboard-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}

.leaderboard-table th {
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-muted);
  background: #0d0d0d;
}

.leaderboard-table tr.highlight {
  background: rgba(255, 255, 255, 0.08);
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.auth-card {
  padding: 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #0f0f0f;
  box-shadow: var(--shadow-1);
  display: grid;
  gap: 14px;
}

.auth-card h3 {
  margin: 0 0 4px;
  font-family: "Russo One", sans-serif;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal.show {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: #0f0f0f;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  width: min(420px, 90vw);
  box-shadow: var(--shadow-2);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.modal-close {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
}

.profile-info {
  display: grid;
  gap: 12px;
}

.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--ink-muted);
}

.profile-row strong {
  color: var(--ink);
}

.hidden {
  display: none;
}

@media (max-width: 980px) {
  .arena-layout {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .hero-card {
    padding: 28px;
  }
}