.create-chart-page{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;padding:20px}.create-chart-container{background:#fff;border-radius:12px;box-shadow:0 20px 60px #0000004d;max-width:600px;width:100%;padding:40px}.create-chart-header{margin-bottom:30px;text-align:center}.create-chart-header h1{font-size:32px;color:#2d3748;margin:0 0 10px;font-weight:700}.create-chart-header p{font-size:16px;color:#718096;margin:0}.create-chart-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column}.form-group label{font-size:14px;font-weight:600;color:#2d3748;margin-bottom:8px}.form-group input,.form-group select{padding:12px 16px;border:1px solid #cbd5e0;border-radius:8px;font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;transition:all .2s}.form-group input:focus,.form-group select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled,.form-group select:disabled{background-color:#f7fafc;color:#a0aec0;cursor:not-allowed}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 600px){.form-row{grid-template-columns:1fr}.create-chart-container{padding:20px}.create-chart-header h1{font-size:24px}}.error-message{padding:12px 16px;background-color:#fed7d7;color:#c53030;border-radius:8px;font-size:14px;border-left:4px solid #c53030}.success-message{padding:12px 16px;background-color:#c6f6d5;color:#22543d;border-radius:8px;font-size:14px;border-left:4px solid #38a169}.submit-button{padding:12px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:10px}.submit-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 20px #667eea4d}.submit-button:active:not(:disabled){transform:translateY(0)}.submit-button:disabled{opacity:.7;cursor:not-allowed}