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

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-input: #1a1a2e;
  --bg-hover: #1f2b47;
  --text-primary: #e0e0e0;
  --text-secondary: #888;
  --text-muted: #555;
  --accent: #4fc3f7;
  --accent-dim: #2980b9;
  --success: #66bb6a;
  --warning: #ffa726;
  --danger: #ef5350;
  --border: #2a2a3e;
  --shadow: rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --nav-height: 64px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

html { font-size: 16px; -webkit-tap-highlight-color: transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-weight: 600; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }

.hidden { display: none !important; }

.page-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 60vh;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 8px;
}

.page-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.page-content {
  padding: 8px 20px 100px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }