:root{--color-bg:#f8fafc;--color-surface:#ffffff;--color-primary:#3b82f6;--color-primary-hover:#2563eb;--color-text:#1e293b;--color-text-muted:#64748b;--color-border:#e2e8f0;--color-success:#22c55e;--color-error:#ef4444;--radius:8px;--shadow:0 1px 3px rgba(0,0,0,0.1),0 1px 2px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -4px rgba(0,0,0,0.1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;border:1px solid var(--color-border)}.form-group{margin-bottom:1rem}.form-label{display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem;color:var(--color-text)}.form-input{width:100%;padding:.75rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius);font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(59,130,246,.15)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:var(--radius);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;border:none;text-decoration:none}.btn-primary{background:var(--color-primary);color:white}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-danger{background:var(--color-error);color:white}.btn-danger:hover{background:#dc2626}.btn:disabled{opacity:.6;cursor:not-allowed}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}.auth-card{width:100%;max-width:400px}.auth-title{font-size:1.5rem;font-weight:600;margin-bottom:.5rem;text-align:center}.auth-subtitle{margin-bottom:1.5rem}.auth-footer,.auth-subtitle{color:var(--color-text-muted);text-align:center}.auth-footer{margin-top:1rem;font-size:.875rem}.auth-footer a{color:var(--color-primary);text-decoration:none}.auth-footer a:hover{text-decoration:underline}.navbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:1rem 0;position:sticky;top:0;z-index:100}.navbar-inner{display:flex;align-items:center;justify-content:space-between}.navbar-brand{font-size:1.25rem;font-weight:600;color:var(--color-text);text-decoration:none}.navbar-links{display:flex;gap:1.5rem;align-items:center}.navbar-links a{color:var(--color-text-muted);text-decoration:none;font-size:.875rem;font-weight:500;transition:color .2s}.navbar-links a:hover{color:var(--color-text)}.alert{padding:.75rem 1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:.875rem}.alert-error{background:#fef2f2;color:var(--color-error);border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:var(--color-success);border:1px solid #bbf7d0}.page-header{margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:600}.page-subtitle{color:var(--color-text-muted);margin-top:.25rem}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;max-width:700px;margin:0 auto}.pricing-card{text-align:center;padding:2rem}.pricing-card.featured{border:2px solid var(--color-primary);position:relative}.pricing-card.featured:before{content:"Popular";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--color-primary);color:white;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600}.pricing-name{font-size:1.25rem;font-weight:600;margin-bottom:.5rem}.pricing-price{font-size:2.5rem;font-weight:700;margin-bottom:.25rem}.pricing-period{color:var(--color-text-muted);font-size:.875rem;margin-bottom:1.5rem}.pricing-features{list-style:none;margin-bottom:1.5rem;text-align:left}.pricing-features li{padding:.5rem 0;color:var(--color-text-muted);font-size:.875rem}.pricing-features li:before{content:"✓";color:var(--color-success);margin-right:.5rem;font-weight:600}.api-keys-list{margin-top:1rem}.api-key-item{display:flex;align-items:center;justify-content:space-between;padding:1rem;border-bottom:1px solid var(--color-border)}.api-key-item:last-child{border-bottom:none}.api-key-name{font-weight:500}.api-key-prefix{font-family:monospace;font-size:.875rem;color:var(--color-text-muted)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-4{margin-top:2rem}.mb-2{margin-bottom:1rem}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:.875rem}