:root{--bg-top: #f5f8fc;--bg-bottom: #eef3fa;--surface: #ffffff;--surface-2: #f4f7fb;--border: #e6ecf5;--border-strong: #d6e0ee;--ink: #1e2a3a;--ink-soft: #3c4b5f;--dim: #5f6f84;--faint: #8a97a8;--acc: #3f6fb5;--acc-strong: #345c98;--acc-ink: #345c98;--acc-soft: #eaf1f9;--glow: rgba(63, 111, 181, .18);--header-bg: #1c2839;--header-ink: #eef3fa;--header-dim: #9fb0c6;--header-border: rgba(255, 255, 255, .08);--ok: #3a9d78;--warn: #c98a1e;--danger: #d05b5b;--radius: 18px;--radius-sm: 12px;--shadow-card: 0 24px 60px rgba(30, 55, 100, .1);--shadow-soft: 0 8px 24px rgba(30, 55, 100, .07);--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:linear-gradient(175deg,var(--bg-top) 0%,var(--bg-bottom) 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