:root{--bg: #0d2b2c;--bg-elev: #143436;--surface: #ffffff;--primary: #0d7377;--primary-dark: #0a5e61;--text: #0f172a;--text-muted: #64748b;--border: #e2e8f0;--danger: #dc2626;--success: #059669;--radius: 14px}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%;font-family:Segoe UI,system-ui,-apple-system,sans-serif;color:var(--text);background:#f1f5f9;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}button{font-family:inherit}input,textarea,select{font-family:inherit;font-size:1rem}.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem}.field label{font-size:.85rem;font-weight:600;color:var(--text)}.field input,.field select,.field textarea{width:100%;padding:.8rem .9rem;border:1px solid var(--border);border-radius:10px;background:#fff;transition:border-color .15s}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.85rem 1rem;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;background:var(--primary);color:#fff;transition:background .15s,opacity .15s}.btn:hover:not(:disabled){background:var(--primary-dark)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--border)}.btn.link{width:auto;background:transparent;color:var(--primary);padding:.25rem 0}.alert{padding:.75rem .9rem;border-radius:10px;font-size:.9rem;margin-bottom:1rem}.alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.alert.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}