body{background-color:#f8f9fa;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}a{color:inherit;text-decoration:none}.app-header{background-color:#fff;border-bottom:1px solid #e9ecef;width:100%}.nav-container{justify-content:space-between;align-items:center;max-width:980px;height:60px;margin:0 auto;display:flex}.nav-links{gap:.5rem;display:flex}.nav-links a{color:#495057;border-radius:5px;padding:.5rem .75rem;font-weight:500}.nav-links a:hover{background-color:#e9ecef}.nav-user-actions{align-items:center;gap:.5rem;display:flex}.nav-login-button,.nav-logout-button{color:#007bff;cursor:pointer;background-color:#fff;border:1px solid #007bff;border-radius:5px;padding:.35rem .75rem;font-weight:500}.nav-login-button:hover,.nav-logout-button:hover{color:#fff;background-color:#007bff}.nav-user-email{background-color:#f1f3f5;border-radius:5px;padding:.3rem .7rem;font-size:.85rem}.main-content{max-width:980px;margin:1.5rem auto;padding:0 1rem}.card{background-color:#fff;border-radius:8px;padding:2rem;box-shadow:0 4px 12px #0000000d}.form-input,.form-textarea{border:1px solid #ced4da;border-radius:6px;width:100%;margin-bottom:1rem;padding:.75rem .9rem;font-size:.95rem}.form-textarea{resize:vertical;min-height:160px}.form-input:focus,.form-textarea:focus{border-color:#007bff;outline:none;box-shadow:0 0 0 2px #007bff40}.btn-primary{color:#fff;cursor:pointer;background-color:#007bff;border:none;border-radius:6px;padding:.7rem 1.4rem;font-weight:600}.btn-primary:disabled{cursor:not-allowed;background-color:#a0cfff}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid #e9ecef;padding:.7rem}.table th{background-color:#f8f9fa;font-weight:600}.msg-error{color:#721c24;background-color:#f8d7da;border-radius:5px;margin-bottom:.8rem;padding:.6rem .8rem;font-size:.9rem}.msg-success{color:#155724;background-color:#d4edda;border-radius:5px;margin-bottom:.8rem;padding:.6rem .8rem;font-size:.9rem}