:root {
    --ch-bg: #F8FAFC;
    --ch-surface: #FFFFFF;
    --ch-surface-soft: #EFF6FF;
    --ch-text: #0F172A;
    --ch-muted: #64748B;
    --ch-line: #E2E8F0;
    --ch-primary: #2563EB;
    --ch-primary-strong: #1D4ED8;
    --ch-accent: #10B981;
    --ch-success: #22C55E;
    --ch-warning: #F59E0B;
    --ch-danger: #EF4444;
    --ch-shadow: 0 24px 70px rgba(15, 23, 42, 0.08);
    --ch-radius-xl: 28px;
    --ch-radius-lg: 20px;
    --ch-radius-md: 16px;
    --ch-shell-width: 1160px;
    --ch-vh: 100vh;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    min-height: var(--ch-vh);
    background: var(--ch-bg);
    color: var(--ch-text);
    font-family: Inter, "SF Pro Text", ui-sans-serif, system-ui, sans-serif;
}

body {
    overflow-x: hidden;
}

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

button,
input {
    font: inherit;
}

.hidden {
    display: none !important;
}