/* ===== VARIABLES ===== */
:root {
  --sol-purple: #9945FF;
  --sol-green: #14F195;
  --sol-dark: #0B0B1A;
  --sol-card: #12122A;
  --sol-card-border: #1E1E3A;
  --sol-text: #E0E0F0;
  --sol-text-dim: #8888AA;
  --radius: 16px;
  --radius-sm: 10px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--sol-dark);
  color: var(--sol-text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== HEADER ===== */
header {
  position: sticky; top: 0; z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 32px;
  background: rgba(11, 11, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sol-card-border);
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 28px; height: 28px; object-fit: contain; }
.logo-text { font-weight: 900; font-size: 18px; letter-spacing: -0.5px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border: none; border-radius: var(--radius-sm); cursor: pointer;
  font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 15px;
  padding: 12px 24px;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-connect {
  background: var(--sol-card); color: var(--sol-green);
  border: 1px solid var(--sol-green);
}
.btn-connect:hover { background: rgba(20, 241, 149, 0.1); }
.btn-connect.connected { border-color: var(--sol-green); color: var(--sol-green); font-size: 13px; }
.btn-primary {
  background: linear-gradient(135deg, var(--sol-purple), #7B2FE0);
  color: #fff; font-size: 17px; padding: 16px 36px;
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(153, 69, 255, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 32px rgba(153, 69, 255, 0.45); }
.btn-secondary {
  background: var(--sol-card); color: var(--sol-green);
  border: 1px solid var(--sol-card-border);
}
.btn-secondary:hover { border-color: var(--sol-green); }
.btn-accent {
  background: linear-gradient(135deg, var(--sol-green), #0DC97A);
  color: var(--sol-dark); font-weight: 900;
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(20, 241, 149, 0.3); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

/* ===== STATES ===== */
.state { display: none; }
.state.active { display: block; animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

main { max-width: 880px; margin: 0 auto; padding: 40px 24px 80px; }

/* ===== HERO (welcome) ===== */
.hero { text-align: center; padding: 80px 0 40px; position: relative; }
.hero-glow {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(153,69,255,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px); font-weight: 900;
  line-height: 1.1; letter-spacing: -1.5px;
  background: linear-gradient(135deg, #fff 30%, var(--sol-purple) 70%, var(--sol-green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
}
.subtitle {
  color: var(--sol-text-dim); font-size: 18px; max-width: 520px; margin: 0 auto 40px;
  font-weight: 300;
}
.supported-wallets { color: var(--sol-text-dim); font-size: 13px; margin-top: 20px; }

/* ===== CARDS ===== */
.card {
  background: var(--sol-card);
  border: 1px solid var(--sol-card-border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.card-glow {
  position: absolute; top: -80px; right: -80px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(153,69,255,0.08), transparent 70%);
  pointer-events: none;
}
.card h2 {
  font-size: 24px; font-weight: 900; margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.card p { color: var(--sol-text-dim); margin-bottom: 20px; }

/* Price breakdown */
.price-breakdown {
  background: rgba(0,0,0,0.3); border-radius: var(--radius-sm);
  padding: 16px 20px; margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace; font-size: 14px;
}
.price-row { display: flex; justify-content: space-between; padding: 4px 0; }
.price-row.sub { color: var(--sol-text-dim); font-size: 12px; padding-left: 12px; }
.price-divider { border-top: 1px solid var(--sol-card-border); margin: 6px 0; }

/* ===== STREETVIEW GRID ===== */
.streetview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.sv-card {
  background: rgba(0,0,0,0.3); border-radius: var(--radius-sm);
  padding: 20px; text-align: center;
  border: 1px solid var(--sol-card-border);
}
.sv-label {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--sol-purple); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 12px;
}

/* ===== HINTS ===== */
.hints-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .hints-grid { grid-template-columns: 1fr; } }
.hint-card {
  background: rgba(0,0,0,0.3); border: 1px solid var(--sol-card-border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.hint-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  border-bottom: 1px solid var(--sol-card-border);
}
.hint-price { color: var(--sol-green); }
.hint-body { padding: 18px; text-align: center; }
.hint-revealed {
  font-family: 'JetBrains Mono', monospace; font-size: 15px;
  color: var(--sol-green); text-align: left; line-height: 1.5;
}

/* ===== WORD GRID ===== */
.word-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
  padding: 4px;
}
.word-chip {
  display: flex; align-items: center; gap: 6px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--sol-card-border);
  border-radius: 8px; padding: 8px 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  transition: border-color 0.15s;
}
.word-chip:hover { border-color: var(--sol-purple); }
.word-num { color: var(--sol-text-dim); font-size: 10px; min-width: 24px; }

/* ===== PRIZE POOL ===== */
.prize-card { border-color: var(--sol-green); }
.prize-row { display: flex; justify-content: space-between; align-items: center; }
.prize-label {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--sol-text-dim); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 4px;
}
.prize-amount {
  font-size: 36px; font-weight: 900; letter-spacing: -1px;
  background: linear-gradient(135deg, var(--sol-green), #0DC97A);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.prize-icon {
  font-size: 48px;
  background: linear-gradient(135deg, var(--sol-purple), var(--sol-green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  opacity: 0.4;
}
.solscan-link {
  display: inline-block; margin-top: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--sol-text-dim); text-decoration: none;
  transition: color 0.2s;
}
.solscan-link:hover { color: var(--sol-green); }

/* ===== REFERRAL ===== */
.referral-section { margin-bottom: 24px; }
.referral-label {
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  color: var(--sol-text); font-weight: 700;
}
.referral-desc {
  font-size: 13px; color: var(--sol-text-dim); margin: 4px 0 12px;
}
.referral-input-row { position: relative; }
.referral-input {
  width: 100%; padding: 12px 16px;
  background: rgba(0,0,0,0.3); border: 1px solid var(--sol-card-border);
  border-radius: var(--radius-sm); color: var(--sol-text);
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  outline: none; transition: border-color 0.2s;
}
.referral-input::placeholder { color: var(--sol-text-dim); opacity: 0.5; }
.referral-input:focus { border-color: var(--sol-purple); }
.referral-input.valid { border-color: var(--sol-green); }
.referral-input.invalid { border-color: #ff4466; }
.referral-input.checking { border-color: var(--sol-purple); }
.referral-status {
  font-size: 12px; margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
}
.referral-status.valid { color: var(--sol-green); }
.referral-status.invalid { color: #ff4466; }

/* Referral link (paid state) */
.referral-link-row {
  display: flex; gap: 12px; align-items: center;
}
.referral-link-row .referral-input {
  flex: 1; cursor: text;
}
.referral-link-row .btn { white-space: nowrap; }

/* ===== LOADING STATE ===== */
.loading-container { text-align: center; padding: 120px 0 80px; }
.loading-container h2 { margin-bottom: 8px; }
.loading-spinner {
  width: 48px; height: 48px; margin: 0 auto 32px;
  border: 3px solid var(--sol-card-border);
  border-top-color: var(--sol-purple);
  border-right-color: var(--sol-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===== SOLVED STATE ===== */
.solved-card { text-align: center; padding: 48px 32px; }
.solved-icon { font-size: 64px; margin-bottom: 16px; }
.solved-card h2 {
  font-size: 32px;
  background: linear-gradient(135deg, var(--sol-green), #0DC97A);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.solved-card p { max-width: 480px; margin: 0 auto 16px; }
.solved-card .btn-primary { margin-top: 16px; text-decoration: none; }

/* ===== COUNTDOWN ===== */
.countdown-card { text-align: center; padding: 40px 32px; }
.countdown-card h2 { margin-bottom: 24px; }
.countdown-card p { max-width: 480px; margin: 16px auto 0; }
.countdown-units {
  display: flex; justify-content: center; align-items: center; gap: 8px;
}
.countdown-unit { text-align: center; }
.countdown-num {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 48px; font-weight: 900; letter-spacing: -2px;
  background: linear-gradient(135deg, var(--sol-purple), var(--sol-green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}
.countdown-label {
  display: block; font-size: 11px; text-transform: uppercase;
  color: var(--sol-text-dim); letter-spacing: 2px; margin-top: 4px;
  font-family: 'JetBrains Mono', monospace;
}
.countdown-sep {
  font-family: 'JetBrains Mono', monospace;
  font-size: 36px; font-weight: 700; color: var(--sol-text-dim);
  padding-bottom: 18px;
}

/* ===== FOOTER ===== */
footer {
  text-align: center; padding: 32px; font-size: 13px;
  color: var(--sol-text-dim); border-top: 1px solid var(--sol-card-border);
}
.name-tag { color:darkcyan; text-decoration:none; }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  background: var(--sol-card); border: 1px solid var(--sol-card-border);
  border-radius: var(--radius-sm); padding: 14px 28px;
  font-size: 14px; z-index: 1000;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.toast.error { border-color: #ff4466; }
.toast.success { border-color: var(--sol-green); }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } }
@keyframes toastOut { to { opacity: 0; transform: translateX(-50%) translateY(20px); } }

/* ===== SPINNER ===== */
.spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.2); border-top-color: #fff;
  border-radius: 50%; animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== MOBILE ===== */
@media (max-width: 480px) {
  header { padding: 12px 16px; }
  .logo-icon { width: 22px; height: 22px; object-fit: contain; }
  .logo-text { font-size: 15px; }
  .btn-connect { padding: 10px 16px; font-size: 13px; }
  main { padding: 24px 16px 60px; }
  .hero { padding: 48px 0 24px; }
  .hero h1 { font-size: 32px; }
  .subtitle { font-size: 15px; }
  .btn-primary { font-size: 15px; padding: 14px 28px; }
  .card { padding: 20px; }
  .card h2 { font-size: 20px; }
  .streetview-grid { grid-template-columns: 1fr; }
  .word-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .referral-input { font-size: 11px; }
  .referral-link-row { flex-direction: column; }
  .countdown-num { font-size: 32px; }
  .countdown-sep { font-size: 24px; padding-bottom: 14px; }
}