*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #534AB7;--primary-dark: #3C3489;--primary-light: #EEEDFE;--success: #1D9E75;--success-light: #E1F5EE;--danger: #E24B4A;--danger-light: #FCEBEB;--warning: #BA7517;--warning-light: #FAEEDA;--text: #1a1a1a;--text-muted: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--surface: #ffffff;--radius: 12px;--safe-bottom: env(safe-area-inset-bottom, 0px)}html,body,#root{height:100%;overscroll-behavior:none}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.screen{min-height:100dvh;display:flex;flex-direction:column}.app-header{background:var(--primary);color:#fff;padding:16px 20px 14px;padding-top:calc(16px + env(safe-area-inset-top,0px));display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.app-header-title{font-size:17px;font-weight:600}.app-header-sub{font-size:13px;opacity:.75;margin-top:1px}.header-btn{background:#fff3;border:none;color:#fff;padding:6px 12px;border-radius:20px;font-size:13px;cursor:pointer}.page-body{flex:1;padding:20px 16px;overflow-y:auto}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 20px;border-radius:var(--radius);border:none;font-size:16px;font-weight:600;cursor:pointer;transition:opacity .15s;-webkit-tap-highlight-color:transparent}.btn:active{opacity:.8}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-sm{padding:10px 16px;font-size:14px;width:auto}.btn:disabled{opacity:.45;cursor:not-allowed}.form-group{margin-bottom:16px}.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}.form-input{width:100%;padding:13px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:16px;background:var(--surface);color:var(--text);outline:none;transition:border-color .15s;-webkit-appearance:none}.form-input:focus{border-color:var(--primary)}.alert{padding:12px 16px;border-radius:10px;font-size:14px;font-weight:500;margin-bottom:16px}.alert-success{background:var(--success-light);color:var(--success)}.alert-danger{background:var(--danger-light);color:var(--danger)}.alert-warning{background:var(--warning-light);color:var(--warning)}.qr-container{display:flex;flex-direction:column;align-items:center;padding:24px 16px}.qr-box{background:#fff;padding:16px;border-radius:var(--radius);box-shadow:0 4px 20px #0000001f;margin-bottom:20px}.qr-name{font-size:22px;font-weight:700;text-align:center;margin-bottom:4px}.qr-event{font-size:14px;color:var(--text-muted);text-align:center;margin-bottom:20px}.scanner-wrap{position:relative;border-radius:var(--radius);overflow:hidden;background:#000}#qr-reader{width:100%!important}#qr-reader video{width:100%!important;border-radius:var(--radius)}#qr-reader img{display:none!important}#qr-reader__scan_region{border:none!important}.scan-result{border-radius:var(--radius);padding:20px;text-align:center;animation:pop .25s ease}.scan-result.ok{background:var(--success-light);border:2px solid var(--success)}.scan-result.dup{background:var(--warning-light);border:2px solid var(--warning)}.scan-result.error{background:var(--danger-light);border:2px solid var(--danger)}.scan-result-icon{font-size:48px;line-height:1;margin-bottom:8px}.scan-result-title{font-size:20px;font-weight:700;margin-bottom:4px}.scan-result-sub{font-size:14px;color:var(--text-muted)}@keyframes pop{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.login-screen{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px 20px;background:var(--primary)}.login-logo{color:#fff;font-size:32px;font-weight:700;margin-bottom:8px}.login-sub{color:#ffffffb3;font-size:14px;margin-bottom:32px}.login-card{background:#fff;border-radius:16px;padding:24px;width:100%;max-width:380px}.spinner{display:inline-block;width:22px;height:22px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.text-muted{color:var(--text-muted)}.text-sm{font-size:13px}.text-center{text-align:center}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.flex{display:flex}.gap-2{gap:8px}