:root{--brand-navy: #0a1a6e;--brand-royal: #1b2fd6;--brand-steel: #0d7fb0;--brand-gradient: linear-gradient(135deg, #0a1a6e 0%, #1b2fd6 55%, #1d74b8 100%);--paper: #e6ebf5;--paper-grad: linear-gradient(160deg, #eaeef8 0%, #dde4f1 100%);--chat-bg: radial-gradient(circle at 50% -10%, #eef2fb 0%, #e2e8f4 55%, #dbe3f1 100%);--surface: #f7f9fd;--surface-2: #eef2fa;--surface-3: #e5ebf6;--raised: #ffffff;--ink: #101a38;--muted: #5a6788;--rule: #d7deee;--rule-strong: #c1cbe0;--accent: #1b2fd6;--accent-hover: #1526b0;--accent-soft: #e3e7fb;--on-accent: #ffffff;--bubble-mine: linear-gradient(135deg, #1b2fd6 0%, #2740e6 100%);--bubble-mine-ink: #ffffff;--bubble-theirs: #ffffff;--bubble-theirs-ink: #101a38;--ok: #1f9d57;--ok-soft: #dcf1e5;--warn: #b26b00;--warn-soft: #fbefd6;--danger: #c23b30;--danger-soft: #fbe4e2;--shadow-sm: 0 1px 2px rgba(10, 26, 110, .08);--shadow-md: 0 6px 20px rgba(10, 26, 110, .12);--shadow-lg: 0 24px 60px rgba(6, 15, 74, .3);--font: "Segoe UI", system-ui, -apple-system, 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