*{box-sizing:border-box;margin:0;padding:0}:root{--primary: #4f46e5;--primary-dark: #4338ca;--bg: #f8fafc;--card-bg: #ffffff;--text: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--error: #ef4444;--success: #22c55e}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--card-bg);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;align-items:center;gap:2rem}.header-brand a{font-size:1.5rem;font-weight:700;color:var(--primary);text-decoration:none}.header-nav{display:flex;gap:1.5rem;flex:1}.header-nav a{color:var(--text-muted);text-decoration:none;transition:color .2s}.header-nav a:hover{color:var(--primary)}.header-user{display:flex;align-items:center;gap:1rem}.header-user span{color:var(--text-muted)}.main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.card{background:var(--card-bg);border-radius:8px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 1px 3px #0000001a}.card h2{margin-bottom:1rem;font-size:1.25rem}button,.btn-primary,.btn-secondary{cursor:pointer;border:none;padding:.75rem 1.5rem;border-radius:6px;font-size:1rem;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-logout{background:transparent;color:var(--text-muted);padding:.5rem 1rem}.btn-logout:hover{color:var(--error)}button:disabled{opacity:.6;cursor:not-allowed}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,#7c3aed 100%)}.login-card{background:#fff;padding:3rem;border-radius:12px;text-align:center;box-shadow:0 25px 50px #00000040}.login-card h1{color:var(--primary);margin-bottom:.5rem}.login-card p{color:var(--text-muted);margin-bottom:2rem}.dashboard h1{margin-bottom:1.5rem}.api-response{background:var(--bg);padding:1rem;border-radius:6px;margin-top:1rem;overflow-x:auto;font-family:Monaco,Consolas,monospace;font-size:.875rem}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--text-muted)}.error{color:var(--error);margin-top:1rem}