*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--brand: #4F46E5;--brand-light: #EEF2FF;--text-primary: #1F2937;--text-secondary: #6B7280;--border: #E5E7EB;--bg: #F9FAFB;--white: #FFFFFF;--error: #EF4444;--success: #10B981;--radius: 12px;--shadow: 0 2px 12px rgba(0, 0, 0, .08)}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,Noto Sans TC,Roboto,sans-serif;font-size:15px;color:var(--text-primary);background:var(--bg);-webkit-font-smoothing:antialiased}#root{min-height:100%}.container{max-width:480px;margin:0 auto;padding:0 0 80px}.container.center{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 24px;text-align:center;gap:12px}.form-header{background:var(--brand);color:var(--white);padding:28px 20px 24px;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px #4f46e54d}.form-header h1{font-size:20px;font-weight:700;line-height:1.3;margin-bottom:4px}.form-header .greeting{font-size:14px;color:#fffc}.dynamic-form{padding:20px 16px;display:flex;flex-direction:column;gap:16px}.field-group{background:var(--white);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--border)}.field-label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.required{color:var(--error);margin-left:3px}.field-input,.field-select{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:15px;color:var(--text-primary);background:var(--bg);transition:border-color .15s;-moz-appearance:none;appearance:none;-webkit-appearance:none}.field-input:focus,.field-select:focus{outline:none;border-color:var(--brand);background:var(--white)}.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:15px;color:var(--text-primary)}.checkbox-label input[type=checkbox]{width:20px;height:20px;border:2px solid var(--border);border-radius:5px;cursor:pointer;accent-color:var(--brand);flex-shrink:0}.field-error{font-size:13px;color:var(--error);margin-top:6px;display:flex;align-items:center;gap:4px}.field-error:before{content:"⚠"}.btn-submit{background:var(--brand);color:var(--white);border:none;border-radius:var(--radius);padding:16px;font-size:16px;font-weight:700;cursor:pointer;width:100%;transition:opacity .15s,transform .1s;margin-top:4px;letter-spacing:.5px}.btn-submit:hover{opacity:.92}.btn-submit:active{transform:scale(.98)}.btn-submit:disabled{opacity:.5;cursor:not-allowed}.btn-close{background:transparent;color:var(--brand);border:2px solid var(--brand);border-radius:var(--radius);padding:12px 32px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.btn-close:hover{background:var(--brand-light)}.spinner{width:44px;height:44px;border:4px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.success-icon,.error-icon{font-size:56px;line-height:1}.container.center h2{font-size:22px;font-weight:700;color:var(--text-primary)}.container.center p{font-size:15px;color:var(--text-secondary);line-height:1.6;max-width:300px}.status-header{background:var(--brand);color:var(--white);padding:28px 20px 24px;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px #4f46e54d}.status-title{font-size:20px;font-weight:700;line-height:1.3}.status-body{padding:16px;display:flex;flex-direction:column;gap:16px}.event-card{background:var(--white);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--border);display:flex;flex-direction:column;gap:10px}.event-info-row{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-primary)}.event-info-icon{flex-shrink:0;width:22px;text-align:center}.deadline-normal{color:var(--success)}.deadline-warning{color:#f59e0b}.deadline-expired{color:var(--error)}.capacity-section{margin-top:4px}.capacity-label{font-size:14px;font-weight:600;margin-bottom:6px}.capacity-bar-track{height:8px;background:var(--border);border-radius:4px;overflow:hidden}.capacity-bar-fill{height:100%;background:var(--success);border-radius:4px;transition:width .4s ease}.reg-list-card,.my-status-card{background:var(--white);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--border)}.section-title{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.empty-hint{font-size:14px;color:var(--text-secondary);text-align:center;padding:12px 0}.reg-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}.reg-row:last-child{border-bottom:none}.reg-index{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--brand-light);color:var(--brand);border-radius:50%;font-size:12px;font-weight:700;flex-shrink:0}.reg-name{flex:1;font-size:15px;color:var(--text-primary)}.reg-badge{font-size:13px;font-weight:600;flex-shrink:0}.reg-badge-confirmed{color:var(--success)}.reg-badge-waitlist{color:#f59e0b}.waitlist-separator{text-align:center;font-size:13px;color:var(--text-secondary);padding:10px 0 4px}.my-status-text{font-size:15px;font-weight:600;margin-bottom:12px;text-align:center}.my-status-confirmed{color:var(--success)}.my-status-waitlist{color:#f59e0b}.my-status-actions{display:flex;gap:10px}.my-status-actions .btn-submit{flex:1}.btn-cancel{flex:1;background:transparent;color:var(--error);border:2px solid var(--error);border-radius:var(--radius);padding:14px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.btn-cancel:hover{background:#fef2f2}.btn-cancel:disabled{opacity:.5;cursor:not-allowed}