*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red-deep: #8B1A1A;
  --red-mid: #C41E3A;
  --red-bright: #E63946;
  --gold: #D4A017;
  --gold-light: #F5D061;
  --gold-pale: #FFF4CC;
  --bg-top: #3D0C0C;
  --bg-bottom: #1A0404;
  --surface: rgba(255, 248, 231, 0.06);
  --surface-hover: rgba(255, 248, 231, 0.12);
  --text: #FFF8E7;
  --text-warm: #FDEBD0;
  --muted: #C9A87C;
  --border: rgba(212, 160, 23, 0.25);
  --border-focus: rgba(212, 160, 23, 0.7);
  --radius: 12px;
  --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, sans-serif;
}

/* ---- base ---- */
body {
  font-family: var(--font);
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 60%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100dvh;
  padding-bottom: 90px;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* festive ornamental top bar */
body::before {
  content: '';
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 30%, var(--gold-pale) 50%, var(--gold-light) 70%, var(--gold) 100%);
}

/* ---- clouds layer ---- */
.clouds-layer {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.cloud {
  position: absolute;
  width: 120px; height: 40px;
  background: radial-gradient(ellipse at 50% 60%, rgba(255, 222, 173, 0.06) 0%, transparent 70%);
  border-radius: 60px;
  filter: blur(2px);
}
.cloud::before,
.cloud::after {
  content: '';
  position: absolute;
  background: radial-gradient(circle, rgba(255, 222, 173, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}
.cloud::before { width: 60px; height: 60px; top: -28px; left: 20px; }
.cloud::after  { width: 50px; height: 50px; top: -18px; left: 55px; }

/* cloud variants — position, size, speed, delay */
.c1 { top: 6%;  left: -10%; width: 140px; height: 48px; opacity: 0.7; animation: cloudDrift 28s linear infinite; }
.c2 { top: 18%; left:  80%; width: 100px; height: 34px; opacity: 0.5; animation: cloudDrift 22s 6s linear infinite; }
.c3 { top: 32%; left: -15%; width: 180px; height: 56px; opacity: 0.6; animation: cloudDrift 34s 12s linear infinite; }
.c4 { top: 48%; left:  70%; width: 130px; height: 42px; opacity: 0.45; animation: cloudDrift 26s 3s linear infinite; }
.c5 { top: 62%; left:  -8%; width: 160px; height: 50px; opacity: 0.55; animation: cloudDrift 30s 18s linear infinite; }
.c6 { top: 78%; left:  75%; width: 110px; height: 38px; opacity: 0.5; animation: cloudDrift 24s 9s linear infinite; }

/* cloud child circles scale with variant — reset for each */
.c2::before { width: 48px; height: 48px; top: -22px; left: 14px; }
.c2::after  { width: 38px; height: 38px; top: -14px; left: 40px; }
.c3::before { width: 74px; height: 74px; top: -34px; left: 28px; }
.c3::after  { width: 60px; height: 60px; top: -22px; left: 70px; }
.c4::before { width: 54px; height: 54px; top: -26px; left: 18px; }
.c4::after  { width: 44px; height: 44px; top: -16px; left: 50px; }
.c5::before { width: 68px; height: 68px; top: -30px; left: 24px; }
.c5::after  { width: 56px; height: 56px; top: -20px; left: 62px; }
.c6::before { width: 50px; height: 50px; top: -24px; left: 16px; }
.c6::after  { width: 40px; height: 40px; top: -16px; left: 42px; }

@keyframes cloudDrift {
  0%   { transform: translateX(0); }
  100% { transform: translateX(110vw); }
}

.container { max-width: 480px; margin: 0 auto; padding: 16px; padding-top: 8px; position: relative; z-index: 1; }

/* ---- typography ---- */
h1 {
  font-size: 1.5rem; text-align: center;
  padding: 24px 0 8px;
  color: var(--gold-light);
  text-shadow: 0 0 20px rgba(245, 208, 97, 0.3);
  letter-spacing: 2px;
  position: relative;
}
h1::after {
  content: '';
  display: block; width: 60px; height: 2px;
  margin: 10px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
h2 {
  font-size: 1.1rem; margin: 16px 0 10px;
  color: var(--text-warm); letter-spacing: 1px;
}
.section-title {
  color: var(--muted); font-size: 0.8rem; letter-spacing: 2px;
  margin: 24px 0 10px;
  display: flex; align-items: center; gap: 8px;
}
.section-title::before, .section-title::after {
  content: '◆'; font-size: 0.4rem; color: var(--gold-light);
}
.section-title::after { content: '◆'; }

/* ---- inputs ---- */
input[type="text"], input[type="password"] {
  width: 100%; padding: 14px 16px; font-size: 1rem; font-family: var(--font);
  background: rgba(255, 248, 231, 0.08); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-warm); outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}
input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.15);
}

/* ---- buttons ---- */
.btn {
  display: block; width: 100%; padding: 15px; font-size: 1.05rem; font-weight: 700;
  border: none; border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-warm); cursor: pointer;
  text-align: center; min-height: 50px; font-family: var(--font);
  letter-spacing: 1px;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  position: relative; overflow: hidden;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--red-mid) 0%, var(--red-bright) 100%);
  color: var(--gold-pale);
  box-shadow: 0 4px 20px rgba(196, 30, 58, 0.4);
}
.btn-primary:active {
  box-shadow: 0 2px 10px rgba(196, 30, 58, 0.3);
}
.btn-primary:disabled {
  background: rgba(255, 248, 231, 0.08);
  color: var(--muted);
  box-shadow: none;
}
.btn-small { padding: 10px 20px; font-size: 0.9rem; display: inline-block; width: auto; }
.btn-secondary {
  background: var(--surface);
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-secondary:active {
  background: rgba(255, 248, 231, 0.12);
  color: var(--text-warm);
}

/* ---- suit grid ---- */
.suit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 12px 0; }
.suit-btn {
  padding: 18px 6px; font-size: 1.5rem; font-weight: 700;
  border: 2px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text-warm); cursor: pointer;
  text-align: center; min-height: 70px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s, background 0.2s;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
}
.suit-btn span { font-size: 0.75rem; font-weight: 400; color: var(--muted); }
.suit-btn.selected {
  border-color: var(--gold-light);
  background: linear-gradient(180deg, rgba(245, 208, 97, 0.12) 0%, rgba(212, 160, 23, 0.06) 100%);
  box-shadow: 0 0 20px rgba(245, 208, 97, 0.2), inset 0 0 20px rgba(245, 208, 97, 0.05);
  transform: scale(1.04);
}
.suit-btn[data-suit="spade"]  { color: #C8D6E5; }
.suit-btn[data-suit="heart"]  { color: #FF6B7A; }
.suit-btn[data-suit="club"]   { color: #6BCB77; }
.suit-btn[data-suit="diamond"]{ color: #74B9FF; }

/* ---- rank grid ---- */
.rank-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin: 12px 0; }
@media (min-width: 400px) { .rank-grid { grid-template-columns: repeat(7, 1fr); } }

.rank-btn {
  padding: 12px 4px; font-size: 1rem; font-weight: 700; font-family: var(--font);
  border: 2px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text-warm); cursor: pointer;
  text-align: center; min-height: 48px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s, background 0.2s;
}
.rank-btn.selected {
  border-color: var(--gold-light);
  background: linear-gradient(180deg, rgba(245, 208, 97, 0.12) 0%, rgba(212, 160, 23, 0.06) 100%);
  box-shadow: 0 0 16px rgba(245, 208, 97, 0.2);
  transform: scale(1.06);
}

/* ---- fixed bottom bar ---- */
.fixed-bottom {
  position: fixed; bottom: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(0deg, rgba(26, 4, 4, 0.98) 0%, rgba(26, 4, 4, 0.85) 100%);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  max-width: 480px; margin: 0 auto;
}

/* ---- card panels ---- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px; margin: 14px 0;
  position: relative;
}

/* ---- status banner ---- */
.status-banner {
  text-align: center; padding: 32px 16px; color: var(--muted);
  font-size: 1rem;
}
.status-banner .icon-xl {
  font-size: 3.5rem; display: block; margin-bottom: 16px;
  animation: float 2.5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---- ranking table ---- */
.ranking-table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.ranking-table th, .ranking-table td {
  padding: 12px 6px; text-align: center; font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}
.ranking-table th { color: var(--muted); font-weight: 500; font-size: 0.75rem; letter-spacing: 1px; }
.ranking-table .highlight td {
  background: rgba(245, 208, 97, 0.08);
}
.ranking-table .rank-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  font-weight: 800; font-size: 0.85rem;
}
.rank-1 {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  color: #3D0C0C; box-shadow: 0 0 16px rgba(255, 215, 0, 0.5);
  font-size: 1rem; width: 36px; height: 36px;
}
.rank-2 {
  background: linear-gradient(135deg, #E8E8E8 0%, #B0B0B0 100%);
  color: #3D0C0C; box-shadow: 0 0 10px rgba(200, 200, 200, 0.3);
}
.rank-3 {
  background: linear-gradient(135deg, #E8A87C 0%, #CD7F32 100%);
  color: #3D0C0C; box-shadow: 0 0 10px rgba(205, 127, 50, 0.3);
}

.ranking-table tr.clickable { cursor: pointer; }
.ranking-table tr.clickable:hover { background: rgba(255, 248, 231, 0.06); }

.ranking-table tr { animation: rowIn 0.4s ease both; }
.ranking-table tr:nth-child(1) { animation-delay: 0.05s; }
.ranking-table tr:nth-child(2) { animation-delay: 0.1s; }
.ranking-table tr:nth-child(3) { animation-delay: 0.15s; }
.ranking-table tr:nth-child(4) { animation-delay: 0.2s; }
.ranking-table tr:nth-child(5) { animation-delay: 0.25s; }
.ranking-table tr:nth-child(n+6) { animation-delay: 0.3s; }

@keyframes rowIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- answer display ---- */
.answer-display {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  padding: 24px 0;
}
.answer-card {
  font-size: 2.8rem; font-weight: 900; padding: 20px 28px;
  background: var(--surface);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 0 30px rgba(212, 160, 23, 0.15);
  animation: revealPulse 0.6s ease;
}
@keyframes revealPulse {
  0%   { transform: scale(0.8); opacity: 0; }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

/* ---- count badge ---- */
.count-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: #3D0C0C;
  padding: 3px 12px; border-radius: 14px; font-size: 0.8rem; font-weight: 800;
  margin-left: 8px;
}

/* ---- my guess ---- */
.my-guess {
  margin: 14px 0; padding: 16px;
  background: rgba(255, 215, 0, 0.06);
  border-radius: var(--radius);
  border: 1px solid rgba(245, 208, 97, 0.15);
}
.my-guess p:first-child { color: var(--muted); font-size: 0.8rem; margin-bottom: 4px; }
.my-guess p:nth-child(2) { font-size: 1.6rem; font-weight: 800; color: var(--gold-light); }

/* ---- login form ---- */
.login-form { padding: 40px 0; }
.login-form h2 { text-align: center; }
.login-form .btn { margin-top: 20px; }
.error-msg { color: var(--red-bright); font-size: 0.85rem; margin-top: 8px; min-height: 20px; }

/* ---- decorative elements ---- */
.deco-banner {
  text-align: center; font-size: 0.75rem; color: var(--muted);
  letter-spacing: 4px;
  padding: 6px 0 0;
}
.deco-divider {
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 160, 23, 0.3), transparent);
  margin: 16px 0;
}

/* confetti-like top ornament */
.ornament {
  text-align: center; font-size: 0.85rem; color: var(--gold-light);
  letter-spacing: 8px; padding-bottom: 8px;
  animation: shimmer 2s ease-in-out infinite;
}
@keyframes shimmer {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* info row */
.info-row {
  font-size: 0.8rem; color: var(--muted);
  text-align: center; margin-top: 8px;
}
.info-row strong { color: var(--gold-light); }

/* result subtitle with confetti feeling */
.result-subtitle {
  text-align: center; font-size: 0.8rem; color: var(--muted);
  margin-bottom: 8px; letter-spacing: 2px;
}
.result-crown { font-size: 2rem; text-align: center; margin-bottom: -8px; }

/* ---- page entrance animation ---- */
.container {
  animation: pageIn 0.5s ease;
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}