:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-primary-light: #dbeafe;--color-accent: #14b8a6;--color-accent-dark: #0f766e;--color-ink: #111827;--color-ink-soft: #4b5563;--color-muted: #6b7280;--color-line: #e5e7eb;--color-surface: #ffffff;--color-surface-alt: #f8fafc;--color-bg: #f3f6fb;--color-error: #c0392b;--color-success: #16a34a;--font-display: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--fs-h1: clamp(2.25rem, 4.5vw + 1rem, 4rem);--fs-h2: clamp(1.75rem, 2.2vw + 1rem, 2.75rem);--fs-h3: clamp(1.25rem, 1vw + 1rem, 1.625rem);--fs-body: 1rem;--fs-small: .875rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--space-9: 6rem;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(17, 24, 39, .06), 0 1px 3px rgba(17, 24, 39, .04);--shadow-md: 0 6px 16px rgba(17, 24, 39, .08), 0 2px 6px rgba(17, 24, 39, .04);--shadow-lg: 0 24px 48px rgba(17, 24, 39, .14);--ease-out: cubic-bezier(.22, .61, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--t-fast: .16s;--t-base: .24s;--t-slow: .42s;--container: 1200px;--navbar-h: 72px;--sidebar-width: 260px;--sidebar-width-collapsed: 72px;--topbar-h: 64px;--shadow-card: 0 1px 2px rgba(17, 24, 39, .04), 0 4px 12px rgba(17, 24, 39, .05);--shadow-elevated: 0 12px 32px rgba(17, 24, 39, .1);--color-row-hover: #eff6ff;--color-danger-soft: #fdecea}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);font-size:var(--fs-body);line-height:1.6;color:var(--color-ink);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-ink);line-height:1.15;font-weight:700;letter-spacing:0}a{text-decoration:none;color:inherit;transition:color var(--t-fast) var(--ease-out)}ul{list-style:none}img{max-width:100%;height:auto;display:block}button,input,select{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;background:none;color:inherit}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:4px}::selection{background:var(--color-accent);color:#fff}