:root{--primary: #EC008C;--primary-hover: #B8006D;--primary-soft: #FDE6F3;--primary-soft-text: #A3005F;--border: #E7E1E6;--muted: #6E7180;--danger: #DC2626;--danger-soft: #FEE2E2;--bg: #FAF6F9;--text: #1D1B29;--card-bg: #FFFFFF;--nav-bg: #FFFFFF;--result-bg: #FDE6F3;--canvas-bg: #FBFAFD;--shadow-sm: 0 1px 2px rgba(60, 10, 40, .06);--shadow-md: 0 4px 16px rgba(60, 10, 40, .08);font-family:-apple-system,Segoe UI,Roboto,sans-serif}:root[data-theme=dark]{--primary: #FF5CB8;--primary-hover: #FF94D1;--primary-soft: #3A1030;--primary-soft-text: #FFB3E0;--border: #332E36;--muted: #9C99AD;--danger: #F87171;--danger-soft: #3A1E22;--bg: #17131A;--text: #EFEDF7;--card-bg: #211C26;--nav-bg: #211C26;--result-bg: #331A2A;--canvas-bg: #251F2A;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4)}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);transition:background .15s ease,color .15s ease;-webkit-font-smoothing:antialiased}h1,h2,h3{letter-spacing:-.01em}.navbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;padding-top:calc(12px + env(safe-area-inset-top,0px));background:var(--nav-bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;box-shadow:var(--shadow-sm)}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--text);font-weight:700;font-size:15px;flex-shrink:0}.brand-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;flex-shrink:0}.brand-text{display:none}@media (min-width: 420px){.brand-text{display:inline}}.nav-actions{display:flex;align-items:center;gap:6px}.nav-link{color:var(--primary);text-decoration:none;font-size:13px;font-weight:600;padding:6px 10px;border-radius:6px;white-space:nowrap;display:none}@media (min-width: 560px){.nav-link{display:inline-block}}.icon-btn{background:transparent;border:1px solid var(--border);color:var(--text);width:36px;height:36px;min-height:36px;padding:0;margin:0;border-radius:50%;font-size:15px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.logout-btn{color:var(--danger);border-color:var(--danger-soft)}.user-chip{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border-radius:999px;background:var(--primary-soft)}.avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.user-chip-text{display:none;flex-direction:column;line-height:1.15}@media (min-width: 480px){.user-chip-text{display:flex}}.user-chip-name{font-size:12px;font-weight:600;color:var(--primary-soft-text);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-chip-role{font-size:10px;text-transform:capitalize;color:var(--primary-soft-text);opacity:.75}.container{max-width:780px;margin:0 auto;padding:18px 14px calc(60px + env(safe-area-inset-bottom,0px));width:100%}.back-btn{display:inline-flex;align-items:center;gap:4px;margin-bottom:14px;color:var(--primary);text-decoration:none;font-size:14px;font-weight:600}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:16px;box-shadow:var(--shadow-sm)}.auth-card{max-width:380px;width:100%;margin:40px auto;box-shadow:var(--shadow-md)}.session-list{list-style:none;padding:0;margin:0}.session-list li.card{padding:0;overflow:hidden}.session-list a{text-decoration:none;color:inherit;display:block}.session-item{display:flex;align-items:center;gap:10px;border-left:4px solid var(--primary)}.session-item>a{flex:1;padding:14px 16px}.session-item .link-btn{margin-right:14px}.session-item strong{font-size:15px}.row-between{display:flex;justify-content:space-between;align-items:center;gap:10px}label{display:block;font-size:13px;font-weight:500;margin:12px 0 5px;color:var(--muted)}input,select{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:8px;font-size:16px;background:var(--card-bg);color:var(--text)}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}button{margin-top:14px;padding:12px 18px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;min-height:44px;transition:background .12s ease,transform .05s ease}button:hover:not(:disabled){background:var(--primary-hover)}button:active:not(:disabled){transform:scale(.98)}form button{width:100%}button:disabled{opacity:.5;cursor:not-allowed}.link-btn{background:none;border:none;color:var(--primary);padding:0;margin:0;font-size:13px;font-weight:500;cursor:pointer;text-decoration:underline;min-height:auto;width:auto}.danger-btn{color:var(--danger)}.muted{color:var(--muted);font-size:13px}.error{color:var(--danger);font-size:13px}.center-text{text-align:center;margin-top:60px}.attendee-table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:12px;background:var(--card-bg);box-shadow:var(--shadow-sm)}.attendee-table{width:100%;min-width:480px;border-collapse:collapse}.attendee-table thead th{background:var(--primary-soft);color:var(--primary-soft-text);text-transform:uppercase;letter-spacing:.04em;font-size:11px}.attendee-table th,.attendee-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--border);font-size:13px;white-space:nowrap}.attendee-table tbody tr:last-child td{border-bottom:none}.result-box{margin-top:12px;padding:14px;background:var(--result-bg);border-radius:10px;font-size:14px}.signature-field{margin-top:10px}.signature-canvas{width:100%;height:140px;border:1.5px dashed var(--border);border-radius:10px;background:var(--canvas-bg);touch-action:none}.signature-actions{display:flex;justify-content:space-between;align-items:center;margin-top:6px}.signature-thumb{max-height:32px;max-width:110px;background:#fff;border:1px solid var(--border);border-radius:4px}@media (max-width: 480px){.row-between{flex-wrap:wrap}.row-between button{width:100%}h2{font-size:19px}h3{font-size:16px}.session-item strong{font-size:14px}}