@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0a0f;
  --bg2: #0f0f1a;
  --bg3: #141425;
  --card: #13131f;
  --card-hover: #1a1a2e;
  --border: #2a2a4a;
  --border-bright: #3a3a6a;
  --accent: #7c3aed;
  --accent2: #a855f7;
  --accent-glow: rgba(124, 58, 237, 0.3);
  --gold: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.2);
  --text: #e8e8f0;
  --text-muted: #7070a0;
  --text-dim: #4a4a6a;
  --easy: #22c55e;
  --normal: #facc15;
  --hard: #f97316;
  --harder: #ef4444;
  --insane: #a855f7;
  --demon: #dc2626;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-lg: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(124,58,237,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent2);
  text-decoration: none;
  letter-spacing: 0.05em;
  text-shadow: 0 0 20px var(--accent-glow);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active { color: var(--text); }

.nav-links .nav-cta {
  background: var(--accent);
  color: white !important;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: background 0.2s, box-shadow 0.2s;
}

.nav-links .nav-cta:hover {
  background: var(--accent2);
  box-shadow: 0 0 16px var(--accent-glow);
}

.nav-user { display: flex; align-items: center; gap: 0.75rem; }
.nav-avatar { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--accent); object-fit: cover; }
.nav-username { font-size: 0.85rem; font-weight: 500; }
.btn-ghost { background: transparent; color: var(--text-muted); border: none; cursor: pointer; font-weight: 500; transition: color 0.2s; }
.btn-ghost:hover { color: var(--accent2); }

main { position: relative; z-index: 1; }

.hero {
  padding: 6rem 2rem 4rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-bg { }
.hero-content { }
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1.5rem;
  display: block;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent2) 60%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.asterisk { }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent2); box-shadow: 0 0 24px var(--accent-glow); transform: translateY(-1px); color: white; }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border-bright); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent2); transform: translateY(-1px); }
.btn-discord { background: #5865F2; color: white; }
.btn-discord:hover { background: #4752c4; box-shadow: 0 0 20px rgba(88,101,242,0.4); transform: translateY(-1px); color: white; }
.btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }
.btn-outline { background: transparent; color: var(--accent2); border: 1px solid var(--accent); }
.btn-outline:hover { background: var(--accent); color: white; }
.btn-submit { background: var(--accent); color: white; }
.btn-submit:hover { background: var(--accent2); box-shadow: 0 0 24px var(--accent-glow); }

.stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  flex-wrap: wrap;
}

.stat-item { text-align: center; }
.stat-number { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; color: var(--accent2); display: block; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

.about-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.about-text p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1rem; }

.about-cards { display: flex; flex-direction: column; gap: 1rem; }

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.about-card-icon { font-size: 1.5rem; flex-shrink: 0; }
.about-card h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 0.25rem; }
.about-card p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.list-container { max-width: 1100px; margin: 0 auto; padding: 2rem; }

.page-header {
  padding: 3rem 2rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}

.page-header h1 { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; margin-bottom: 0.5rem; }
.page-header p { color: var(--text-muted); font-size: 0.9rem; }

.list-filters {
  display: flex;
  gap: 1rem;
  padding: 1.5rem 0;
  align-items: center;
  flex-wrap: wrap;
}

.filter-input {
  flex: 1;
  min-width: 200px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.filter-input:focus { border-color: var(--accent); }
.filter-input::placeholder { color: var(--text-dim); }

.list-grid { display: flex; flex-direction: column; gap: 0.75rem; padding-bottom: 3rem; }

.level-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: 60px 80px 1fr auto;
  gap: 1rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
  cursor: pointer;
}

.level-card:hover {
  background: var(--card-hover);
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateX(4px);
}

.level-rank { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text-muted); text-align: center; }
.level-rank.top1 { color: var(--gold); text-shadow: 0 0 12px var(--gold-glow); }
.level-rank.top3 { color: var(--gold); text-shadow: 0 0 12px var(--gold-glow); }
.level-rank.top10 { color: #c0c0c0; }
.level-rank.top25 { color: #cd7f32; }

.level-img-placeholder {
  width: 80px;
  height: 52px;
  border-radius: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.level-img {
  width: 80px;
  height: 52px;
  border-radius: 6px;
  object-fit: cover;
  flex-shrink: 0;
}

.level-info { min-width: 0; }
.level-name { font-weight: 600; font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 0.2rem; }
.level-creator { font-size: 0.8rem; color: var(--text-muted); }

.level-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 0.4rem; flex-shrink: 0; }

.diff-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  color: var(--accent2);
}

.diff-face { font-size: 1rem; }
.diff-stars { }
.rating-score { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }

/* Detail Page Styles */
.detail-container { max-width: 900px; margin: 0 auto; padding: 2rem; }
.detail-back { color: var(--accent2); text-decoration: none; font-size: 0.9rem; font-weight: 500; margin-bottom: 1.5rem; display: inline-block; transition: gap 0.2s; }
.detail-back:hover { color: var(--accent); }

.detail-header { margin-bottom: 2rem; display: flex; gap: 1.5rem; align-items: flex-start; }
.detail-rank-badge { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1.25rem; text-align: center; flex-shrink: 0; }
.detail-rank-num { font-family: var(--font-display); font-size: 1.75rem; font-weight: 900; color: var(--accent2); }
.detail-rank-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

.detail-title-group { }
.detail-title-group h1 { font-family: var(--font-display); font-size: 2rem; font-weight: 700; margin-bottom: 0.5rem; }
.creator-line { color: var(--text-muted); font-size: 0.95rem; }

.detail-img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 2rem;
  max-height: 360px;
  object-fit: cover;
  border: 1px solid var(--border);
  display: block;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.detail-grid .detail-card.full { grid-column: 1 / -1; }

.detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.detail-card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}

.detail-card-value { font-size: 1rem; font-weight: 600; }

.diff-display {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.diff-face-lg { font-size: 2.5rem; }
.diff-display-text { }
.diff-name { font-weight: 600; }
.diff-stars-lg { font-size: 0.85rem; color: var(--text-muted); }

.score-display { }
.score-num { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--accent2); }
.score-denom { font-size: 0.85rem; color: var(--text-muted); }
.score-votes { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.5rem; font-family: var(--font-mono); }

.diff-display-lg { }

.victors-list { display: flex; flex-direction: column; gap: 0.5rem; }
.victor-item { background: var(--bg3); padding: 0.75rem 1rem; border-radius: 8px; font-size: 0.9rem; display: flex; align-items: center; gap: 1rem; }
.victor-num { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); }

.rating-widget {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.rating-widget h3 { font-family: var(--font-display); font-size: 0.9rem; margin-bottom: 0.5rem; }
.rating-widget p { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1.25rem; }

.rating-slider-wrap { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }

.rating-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 999px;
  background: var(--bg3);
  outline: none;
  cursor: pointer;
}

.rating-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent2);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-glow);
}

.rating-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent2);
  cursor: pointer;
  box-shadow: 0 0 10px var(--accent-glow);
  border: none;
}

.rating-val { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--accent2); min-width: 40px; text-align: right; }

.rating-labels { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 1rem; }

/* Submit Page */
.submit-container { max-width: 700px; margin: 0 auto; padding: 2rem; }

.submit-notice {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
  color: var(--gold);
  line-height: 1.7;
}

.form-section { margin-bottom: 2rem; }
.form-section-title { font-family: var(--font-display); font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; color: var(--text); }

.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 0.5rem; }
.form-label span { color: var(--text-muted); font-weight: 400; font-size: 0.8rem; }

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-dim); }
.form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.4rem; }
.form-divider { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

.locked-overlay {
  text-align: center;
  padding: 4rem 2rem;
}

.lock-icon { font-size: 3rem; margin-bottom: 1rem; }
.locked-overlay h2 { font-family: var(--font-display); font-size: 1.25rem; margin-bottom: 0.75rem; }
.locked-overlay p { color: var(--text-muted); margin-bottom: 2rem; font-size: 0.95rem; }

footer { border-top: 1px solid var(--border); padding: 2rem; text-align: center; color: var(--text-dim); font-size: 0.8rem; }
footer a { color: var(--text-muted); text-decoration: none; }
footer a:hover { color: var(--accent2); }

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--bg2); border: 1px solid var(--border-bright); border-radius: 16px; padding: 2rem; max-width: 440px; width: 100%; transform: translateY(10px); transition: transform 0.2s; }
.modal-overlay.open .modal { transform: translateY(0); }
.modal h2 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.5rem; }
.modal p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; line-height: 1.6; }
.modal-actions { display: flex; gap: 0.75rem; flex-direction: column; }

.toast { position: fixed; bottom: 2rem; right: 2rem; background: var(--card); border: 1px solid var(--border-bright); border-radius: 10px; padding: 1rem 1.25rem; font-size: 0.9rem; z-index: 300; transform: translateY(80px); opacity: 0; transition: all 0.3s; max-width: 320px; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: var(--easy); }
.toast.error { border-color: var(--demon); }

@media (max-width: 768px) {
  .about-section { grid-template-columns: 1fr; gap: 2rem; }
  .level-card { grid-template-columns: 44px 64px 1fr; }
  .level-meta { display: none; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-header { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .stats-bar { gap: 2rem; }
  .nav-links { gap: 1rem; }
}