*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;--radius: 8px;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--transition: .2s ease}.theme-light{--bg-primary: #f5f7fa;--bg-secondary: #ffffff;--bg-card: #ffffff;--text-primary: #1a1a2e;--text-secondary: #6b7280;--border: #e5e7eb;--accent: #3b82f6;--accent-hover: #2563eb;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--nav-bg: #ffffff}.theme-dark{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border: #334155;--accent: #60a5fa;--accent-hover: #3b82f6;--success: #34d399;--warning: #fbbf24;--danger: #f87171;--nav-bg: #1e293b}.theme-marine{--bg-primary: #0c1929;--bg-secondary: #132f4c;--bg-card: #132f4c;--text-primary: #e3f2fd;--text-secondary: #90caf9;--border: #1e4976;--accent: #42a5f5;--accent-hover: #1e88e5;--success: #4caf50;--warning: #ff9800;--danger: #f44336;--nav-bg: #0a1628}.theme-earth{--bg-primary: #faf6f1;--bg-secondary: #f5ebe0;--bg-card: #ffffff;--text-primary: #3e2723;--text-secondary: #795548;--border: #d7ccc8;--accent: #8d6e63;--accent-hover: #6d4c41;--success: #66bb6a;--warning: #ffa726;--danger: #ef5350;--nav-bg: #efebe9}html,body{height:100%}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary)}#app{height:100%;display:flex;flex-direction:column}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;height:56px;background:var(--nav-bg);border-bottom:1px solid var(--border);box-shadow:var(--shadow);position:sticky;top:0;z-index:1000}.nav-brand{font-size:1.2rem;font-weight:700;color:var(--accent);text-decoration:none}.nav-links{display:flex;align-items:center;gap:1rem}.nav-links a{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:.4rem .8rem;border-radius:var(--radius);transition:var(--transition)}.nav-links a:hover,.nav-links a.router-link-active{color:var(--accent);background:var(--bg-primary)}.theme-select{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius);padding:.3rem .5rem;font-size:.85rem;cursor:pointer}.main-content{flex:1;display:flex;flex-direction:column;min-height:0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem 1rem;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:500;cursor:pointer;transition:var(--transition);background:var(--accent);color:#fff}.btn:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border)}input,select,textarea{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius);padding:.5rem .75rem;font-size:.9rem;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}.grid{display:grid;gap:1rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}