/* ═══════════════════════════════════════════════════
   LobsterAI — Deep Ocean Bioluminescent Design System
   ═══════════════════════════════════════════════════ */

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

:root {
  /* ── Colors ── */
  --bg-deep: #050d1a;
  --bg-mid: #0c1929;
  --bg-card: rgba(12, 25, 41, 0.7);
  --bg-glass: rgba(12, 25, 41, 0.5);
  --primary: #00d4aa;
  --primary-dim: #00a88a;
  --accent: #40e0d0;
  --accent-purple: #9b59b6;
  --accent-pink: #e74c8f;
  --text-primary: #e0f0ff;
  --text-secondary: #6b8aad;
  --text-dim: #3a5575;
  --border-glow: rgba(0, 212, 170, 0.3);
  --border-subtle: rgba(100, 150, 200, 0.12);
  --danger: #e74c3c;
  --success: #2ecc71;

  /* ── Spacing ── */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* ── Typography ── */
  --font-main: 'Space Grotesk', 'Noto Sans SC', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* ── Effects ── */
  --glass-blur: blur(20px);
  --glass-border: 1px solid var(--border-subtle);
  --glow-sm: 0 0 10px rgba(0, 212, 170, 0.2);
  --glow-md: 0 0 20px rgba(0, 212, 170, 0.3);
  --glow-lg: 0 0 40px rgba(0, 212, 170, 0.2), 0 0 80px rgba(0, 212, 170, 0.1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Glass Card ── */
.glass {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
}

.glass-glow {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  box-shadow: var(--glow-sm);
}

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  background: rgba(5, 13, 26, 0.85);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
}

.header .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  text-shadow: var(--glow-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.header .logo img {
  height: 36px;
  width: auto;
  filter: drop-shadow(0 0 6px rgba(0, 212, 170, 0.5));
}

.icon-inline {
  display: inline-block;
  width: 20px;
  height: 20px;
  vertical-align: middle;
  margin-right: 2px;
}

.header nav {
  display: flex;
  gap: var(--space-lg);
}

.header nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s, text-shadow 0.3s;
}

.header nav a:hover,
.header nav a.active {
  color: var(--primary);
  text-shadow: var(--glow-sm);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 24px;
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--primary);
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn:hover {
  background: rgba(0, 212, 170, 0.1);
  box-shadow: var(--glow-md);
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  box-shadow: var(--glow-lg);
  transform: translateY(-2px);
  color: #fff;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.85rem;
}

/* ── Section ── */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.section-title span {
  color: var(--primary);
}

/* ── Tag ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ── Progress Bar ── */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(100, 150, 200, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

/* ── Particles Background ── */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }

  10% {
    opacity: 0.6;
  }

  90% {
    opacity: 0.1;
  }

  100% {
    opacity: 0;
    transform: translateY(-10vh) scale(1);
  }
}

/* ── Utilities ── */
.text-glow {
  text-shadow: var(--glow-sm);
}

.text-primary-color {
  color: var(--primary);
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mb-md {
  margin-bottom: var(--space-md);
}

.mb-lg {
  margin-bottom: var(--space-lg);
}

/* ── Wallet Button ── */
#wallet-btn {
  padding: 8px 20px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s;
}

#wallet-btn:hover {
  background: rgba(0, 212, 170, 0.2);
  box-shadow: var(--glow-sm);
}

#wallet-btn.connected {
  border-color: var(--success);
  color: var(--success);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.wallet-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  display: inline-block;
}

.wallet-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  padding: 16px;
  border-radius: var(--radius-md);
  display: none;
  z-index: 200;
  border: 1px solid var(--border-glow);
  box-shadow: var(--glow-md), 0 8px 32px rgba(0, 0, 0, 0.5);
}

.wallet-panel.show {
  display: block;
}

.wp-addr {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.wp-balance {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.wp-chain {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.wp-disconnect {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger);
  font-family: var(--font-main);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.wp-disconnect:hover {
  background: rgba(231, 76, 60, 0.25);
}

/* 钱包按钮容器（相对定位） */
.header {
  position: relative;
}

#wallet-btn {
  position: relative;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .header {
    padding: var(--space-sm) var(--space-md);
  }

  .header nav {
    display: none;
  }

  .section {
    padding: var(--space-xl) var(--space-md);
  }
}