:root {
  --bg-0: #070b14;
  --bg-1: #0c1426;
  --bg-2: #141f35;
  --body-gradient:
    radial-gradient(circle at top left, rgba(110, 231, 255, 0.18), transparent 30%),
    radial-gradient(circle at 85% 10%, rgba(167, 139, 250, 0.2), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(104, 240, 183, 0.08), transparent 30%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 42%, var(--bg-2));
  --grid-line: rgba(255, 255, 255, 0.03);
  --grid-mask: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 92%);
  --text: #f5f7fb;
  --muted: rgba(245, 247, 251, 0.72);
  --line: rgba(255, 255, 255, 0.1);
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --glass-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-blur: 18px;
  --topbar-bg: rgba(7, 11, 20, 0.65);
  --orb-one: rgba(110, 231, 255, 0.32);
  --orb-two: rgba(167, 139, 250, 0.28);
  --orb-opacity: 0.35;
  --accent: #6ee7ff;
  --accent-2: #a78bfa;
  --accent-3: #68f0b7;
  --accent-balance: #38bdf8;
  --accent-budget: #a78bfa;
  --accent-income: #68f0b7;
  --accent-expense: #f87171;
  --primary-bg: linear-gradient(135deg, rgba(110, 231, 255, 0.95), rgba(104, 240, 183, 0.9));
  --primary-fg: #05111f;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --shadow-card:
    0 24px 48px rgba(0, 0, 0, 0.28),
    0 8px 20px rgba(110, 231, 255, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --shell: min(1240px, calc(100vw - 32px));
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg-0: #f6f7fb;
  --bg-1: #eef1f8;
  --bg-2: #e5eaf3;
  --body-gradient:
    radial-gradient(circle at top left, rgba(110, 196, 255, 0.18), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(140, 121, 230, 0.16), transparent 28%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1) 42%, var(--bg-2));
  --grid-line: rgba(15, 23, 42, 0.04);
  --grid-mask: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 95%);
  --text: #0f172a;
  --muted: rgba(15, 23, 42, 0.66);
  --line: rgba(15, 23, 42, 0.1);
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --glass-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78));
  --glass-border: rgba(255, 255, 255, 0.85);
  --topbar-bg: rgba(255, 255, 255, 0.78);
  --orb-one: rgba(110, 196, 255, 0.35);
  --orb-two: rgba(167, 139, 250, 0.22);
  --orb-opacity: 0.2;
  --accent: #0ea5e9;
  --accent-2: #7c3aed;
  --accent-3: #10b981;
  --accent-balance: #0284c7;
  --primary-bg: linear-gradient(135deg, #0ea5e9, #10b981);
  --primary-fg: #f8fafc;
  --shadow-card:
    0 18px 40px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--body-gradient);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: var(--grid-mask);
  pointer-events: none;
  z-index: 0;
}

#app {
  position: relative;
  z-index: 1;
}

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

.hidden { display: none !important; }