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16px}@media(max-width:820px){.app-header{flex-wrap:wrap}.nav-links{width:100%;flex-direction:column;align-items:stretch;display:none}.nav-links.nav-open{display:flex}.nav-link{text-align:center}.menu-toggle{display:inline-flex;align-items:center;justify-content:center}.app-main{padding-top:18px}}:root{--bg: #0b1524;--surface-1: #0f1f35;--surface-2: rgba(255, 255, 255, .02);--text-1: #eef3fb;--text-2: #c7d7ef;--text-3: #8aa3c6;--border-1: rgba(255, 255, 255, .08);--border-2: rgba(255, 255, 255, .12);--accent: #5fd491;--accent-strong: #43b674;--danger: #ffb3b3;--radius-sm: 8px;--radius-md: 10px;--radius-lg: 12px;--shadow-1: 0 12px 30px rgba(0, 0, 0, .25);--shadow-2: 0 14px 36px rgba(0, 0, 0, .24);--space-0: 0px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--card: var(--surface-1);--text: var(--text-1);--muted: var(--text-3);--border: 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