*,*: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);--surface-shadow: 0 14px 36px rgba(15, 23, 42, .1)}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:linear-gradient(180deg,#f8fafc,#f1f5f9 42%,#f9fafb);-webkit-font-smoothing:antialiased}#root{min-height:100%}.container{max-width:520px;margin:0 auto;min-height:100vh;padding:12px 12px 88px}.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:#fffffff5;color:#0f172a;padding:22px 18px 18px;position:relative;z-index:2;border:1px solid rgba(226,232,240,.95);border-radius:20px;box-shadow:var(--surface-shadow);margin:-18px 8px 0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.form-header h1{font-size:24px;font-weight:700;line-height:1.22;margin-bottom:8px}.form-header .greeting{font-size:14px;color:#64748b;margin-top:12px}.event-desc{color:#475569;font-size:15px;line-height:1.55;margin:8px 0 12px}.event-meta,.waitlist-notice{display:inline-flex;align-items:center;width:100%;color:#475569;font-size:14px;line-height:1.45;margin-top:7px}.waitlist-notice{color:#b45309;background:#fffbeb;border:1px solid #FDE68A;border-radius:12px;padding:10px 12px}.event-cover-image{width:100%;aspect-ratio:16 / 9;object-fit:cover;display:block;background:#e2e8f0;border-radius:24px;box-shadow:var(--surface-shadow);max-height:340px}.event-card-cover-image{width:100%;aspect-ratio:16 / 9;object-fit:cover;display:block;border-radius:16px;background:#e2e8f0;margin-bottom:8px}.event-cover-fallback,.event-card-cover-fallback{display:flex;align-items:center;justify-content:center;min-height:180px;color:#64748b;background:linear-gradient(135deg,#e2e8f0,#f8fafc);border:1px solid #CBD5E1;border-radius:24px;box-shadow:var(--surface-shadow);font-size:14px}.event-card-cover-fallback{min-height:150px;border-radius:16px;box-shadow:none;margin-bottom:8px}.dynamic-form{padding:16px 8px 24px;display:flex;flex-direction:column;gap:16px}.field-group{background:var(--white);border-radius:18px;padding:17px 16px;box-shadow:0 8px 24px #0f172a12;border:1px solid #E2E8F0}.field-label{display:block;font-size:14px;font-weight:600;color:#334155;margin-bottom:8px;text-transform:none;letter-spacing:0}.required{color:var(--error);margin-left:3px}.field-input,.field-select{width:100%;padding:13px 14px;border:1.5px solid #CBD5E1;border-radius:12px;font-size:16px;color:var(--text-primary);background:#f8fafc;transition:border-color .15s;-moz-appearance:none;appearance:none;-webkit-appearance:none}.field-input::placeholder{color:#94a3b8}.field-input:focus,.field-select:focus{outline:none;border-color:var(--brand);background:var(--white)}.field-textarea{min-height:96px;resize:vertical;line-height:1.5}.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:#16a34a;color:var(--white);border:none;border-radius:14px;padding:16px;font-size:16px;font-weight:700;cursor:pointer;width:100%;transition:opacity .15s,transform .1s;margin-top:4px;letter-spacing:0;box-shadow:0 10px 24px #16a34a38}.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:#fffffff5;color:#0f172a;padding:22px 18px 18px;position:relative;z-index:2;border:1px solid rgba(226,232,240,.95);border-radius:20px;box-shadow:var(--surface-shadow);margin:-18px 8px 0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.status-title{font-size:24px;font-weight:700;line-height:1.22}.status-body{padding:16px 8px;display:flex;flex-direction:column;gap:16px}.event-card{background:var(--white);border-radius:18px;padding:16px;box-shadow:0 8px 24px #0f172a12;border:1px solid #E2E8F0;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:18px;padding:16px;box-shadow:0 8px 24px #0f172a12;border:1px solid #E2E8F0}.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}.cal-container{max-width:480px;margin:0 auto;padding-bottom:40px}.cal-header{background:var(--brand);color:var(--white);padding:24px 20px 20px;position:sticky;top:0;z-index:10;box-shadow:0 2px 8px #4f46e54d}.cal-header-inner{display:flex;align-items:flex-start;gap:12px}.cal-icon{font-size:32px;line-height:1;flex-shrink:0}.cal-title{font-size:18px;font-weight:700;line-height:1.3;margin-bottom:2px}.cal-subtitle{font-size:13px;color:#fffc}.cal-list{padding:16px;display:flex;flex-direction:column;gap:14px}.cal-empty{text-align:center;padding:48px 24px;color:var(--text-secondary);font-size:15px}.cal-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden}.cal-card-full{opacity:.85}.cal-card-header{display:flex;align-items:center;gap:10px;padding:14px 16px 10px;border-bottom:1px solid var(--border)}.cal-card-emoji{font-size:22px;flex-shrink:0}.cal-card-title{flex:1;font-size:16px;font-weight:700;color:var(--text-primary);line-height:1.3}.cal-badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;flex-shrink:0}.cal-badge-full{background:#fee2e2;color:var(--error)}.cal-card-body{padding:12px 16px;display:flex;flex-direction:column;gap:7px}.cal-info-row{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--text-secondary);line-height:1.4}.cal-info-row span:first-child{flex-shrink:0;width:18px;text-align:center}.cal-deadline-soon{color:#d97706}.cal-deadline-expired{color:var(--error)}.cal-card-footer{padding:12px 16px;display:flex;gap:10px;border-top:1px solid var(--border)}.cal-btn-register{flex:2;background:var(--success);color:var(--white);border:none;border-radius:8px;padding:12px 10px;font-size:14px;font-weight:700;cursor:pointer;transition:opacity .15s}.cal-btn-register:hover{opacity:.9}.cal-btn-register:disabled{background:#d1d5db;color:#6b7280;cursor:default}.cal-btn-detail{flex:1;background:transparent;color:var(--brand);border:1.5px solid var(--brand);border-radius:8px;padding:12px 8px;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s}.cal-btn-detail:hover{background:var(--brand-light)}@media (max-width: 520px){.container{padding:0 0 88px}.event-cover-image{border-radius:0 0 26px 26px;max-height:42vh}.event-cover-fallback{border-radius:0 0 26px 26px;min-height:220px}.form-header,.status-header{margin:-18px 12px 0}.dynamic-form,.status-body{padding-left:12px;padding-right:12px}}