/* ============================================
   nano banana v3.0 - Modern Dark Theme
   High-performance Go backend UI
   ============================================ */

/* CSS Variables */
:root {
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --secondary: #06b6d4;
  --secondary-light: #67e8f9;
  --secondary-glow: rgba(6, 182, 212, 0.15);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f1f5f9;
  --bg-input-focus: #e2e8f0;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --border-focus: var(--accent);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --drawer-width: 380px;
  --icon-bar-width: 0px;
  --panel-width: 280px;
  --shadow-drawer: -4px 0 24px rgba(0,0,0,0.06);
  --shadow-panel: 4px 0 24px rgba(0,0,0,0.06);
  --overlay-bg: rgba(15, 23, 42, 0.25);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

/* Alpine cloak - hide before hydration */
[x-cloak] { display: none !important; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2); }

@keyframes drawer-in {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
@keyframes panel-in {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}
@keyframes chip-pop {
  from { transform: scale(0); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}