:root {
  color-scheme: dark;
  --bg-app: #07111f;
  --bg-app-elevated: #0b1728;
  --bg-panel: rgba(13, 25, 43, 0.88);
  --bg-panel-strong: rgba(15, 30, 51, 0.96);
  --bg-subtle: rgba(122, 160, 255, 0.06);
  --bg-hover: rgba(122, 160, 255, 0.12);
  --bg-accent: linear-gradient(135deg, rgba(74, 222, 128, 0.18), rgba(59, 130, 246, 0.18));
  --border-subtle: rgba(120, 145, 180, 0.18);
  --border-strong: rgba(120, 145, 180, 0.34);
  --text-primary: #eff7ff;
  --text-secondary: #b1c3d9;
  --text-muted: #8093a9;
  --text-accent: #78c5ff;
  --positive: #36d399;
  --negative: #fb7185;
  --warning: #f7c35f;
  --shadow-soft: 0 12px 32px rgba(4, 10, 18, 0.28);
  --shadow-strong: 0 24px 60px rgba(4, 10, 18, 0.38);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Consolas, monospace;
  --transition-fast: 160ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-normal: 260ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg-app: #f4f8fc;
  --bg-app-elevated: #edf3fa;
  --bg-panel: rgba(255, 255, 255, 0.88);
  --bg-panel-strong: rgba(255, 255, 255, 0.96);
  --bg-subtle: rgba(59, 130, 246, 0.05);
  --bg-hover: rgba(59, 130, 246, 0.1);
  --bg-accent: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(16, 185, 129, 0.12));
  --border-subtle: rgba(126, 146, 173, 0.22);
  --border-strong: rgba(92, 114, 145, 0.32);
  --text-primary: #112033;
  --text-secondary: #44576f;
  --text-muted: #6e8097;
  --text-accent: #0d63c9;
  --positive: #0f9f6e;
  --negative: #db3f67;
  --warning: #b97b0a;
  --shadow-soft: 0 10px 28px rgba(17, 32, 51, 0.09);
  --shadow-strong: 0 18px 44px rgba(17, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  min-height: 100%;
}

body {
  margin: 0;
  height: 100%;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background:
    radial-gradient(circle at top right, rgba(76, 201, 240, 0.12), transparent 25%),
    radial-gradient(circle at top left, rgba(54, 211, 153, 0.08), transparent 20%),
    linear-gradient(180deg, var(--bg-app-elevated), var(--bg-app));
  transition: background var(--transition-normal), color var(--transition-normal);
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}