:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#0f172a;background:#fff;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--content-max: 1100px;--ui-surface: #ffffff;--ui-border: #e5e7eb;--ui-border-strong: #cbd5e1;--ui-primary: #0d9488;--ui-primary-hover: #0f766e;--ui-focus-ring: rgba(20, 184, 166, .45);--ui-input-bg: #ffffff;--glassBg: rgba(255, 255, 255, .92);--glassBorder: #e5e7eb;--shadow: 0 12px 40px rgba(15, 23, 42, .08);--shadowSoft: 0 1px 3px rgba(15, 23, 42, .08);--shadowElevated: 0 1px 3px rgba(15, 23, 42, .1), 0 1px 2px rgba(15, 23, 42, .06);--accent1: #14b8a6;--accent2: #0d9488;--shell-nav-bg: #0c1929;--shell-topbar-bg: #0f2744;--shell-accent: #14b8a6;--shell-accent-soft: rgba(20, 184, 166, .15);--shell-main-bg: #ffffff;--shell-border: rgba(148, 163, 184, 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