:root{color-scheme:dark;--bg:#0b0d12;--surface:#151922;--raised:#1d2430;--text:#f4f6fa;--muted:#aab4c3;--line:#374151;--control-line:#748297;--navy:#242149;--brand-red:#ef3340;--primary:#355cc9;--primary-hover:#294ba9;--link:#a5bdff;--focus:#b3caff;--success:#85dfb2;--success-bg:#132f26;--warning:#ffd27d;--warning-bg:#342915;--danger:#ff9ca6;--danger-bg:#3a1d25;--info-bg:#1d2945;font-family:"Segoe UI",Tahoma,"Noto Sans Thai",sans-serif;font-size:16px;line-height:1.65;color:var(--text);background:var(--bg)}
:root[data-theme=light]{color-scheme:light;--bg:#f2f4f7;--surface:#fff;--raised:#e9edf3;--text:#17202e;--muted:#475569;--line:#c9d1dc;--control-line:#768395;--link:#244aa9;--focus:#244aa9;--success:#176b4a;--success-bg:#e2f3e9;--warning:#805000;--warning-bg:#fff1d4;--danger:#a51f32;--danger-bg:#fbe6ea;--info-bg:#e5edff}
*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--link);text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}h1,h2,h3{line-height:1.4;margin:0 0 .7rem;overflow-wrap:anywhere}h1{font-size:clamp(1.8rem,4vw,2.6rem)}h2{font-size:1.25rem}h3{font-size:1.1rem}p{margin:.5rem 0 1rem}small{font-size:.875rem}code{overflow-wrap:anywhere}
.wrap{width:min(1280px,calc(100% - 3rem));margin:auto}main.wrap{padding-top:2rem;min-height:65vh}.site-header{background:var(--surface);border-top:3px solid var(--brand-red);border-bottom:1px solid var(--line)}.header-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:88px;padding-block:1rem}.brand{display:inline-flex;align-items:center;gap:.85rem;text-decoration:none;color:var(--text);flex-shrink:0}.brand img{width:56px;height:56px;object-fit:contain;background:#000;border-radius:8px;padding:3px}.brand-copy{display:flex;flex-direction:column;line-height:1.4}.brand-copy strong{font-size:1.3rem}.brand-copy small{font-size:.7rem;font-weight:650;color:var(--muted);letter-spacing:.065em}.header-row nav{display:flex;gap:.75rem;align-items:center;justify-content:flex-end;flex-wrap:wrap}.account-email{max-width:24rem;overflow-wrap:anywhere;font-size:.875rem}
.muted{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:.875rem;font-weight:700;margin-bottom:.75rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:1.5rem;margin:1rem 0;min-width:0}.narrow{max-width:620px;margin:1.5rem auto}
.button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;background:var(--primary);color:#fff;border:1px solid transparent;border-radius:8px;padding:.65rem 1.1rem;text-decoration:none;font:inherit;font-weight:700;cursor:pointer}.button:hover{background:var(--primary-hover);text-decoration:none}.button:disabled{background:var(--raised);border-color:var(--control-line);color:var(--muted);cursor:not-allowed}.button.secondary,.nav-login,.theme-toggle{background:var(--raised);color:var(--text);border:1px solid var(--control-line);box-shadow:none}.button.secondary:hover,.nav-login:hover,.theme-toggle:hover{background:var(--info-bg)}.nav-login,.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;border-radius:8px;padding:.5rem .85rem;font:inherit;font-weight:650;text-decoration:none;cursor:pointer}.theme-icon{font-size:1.1rem;line-height:1}.text-button{background:none;border:0;color:var(--link);font:inherit;cursor:pointer;min-height:44px;padding:.4rem}.inline{display:inline}.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.2rem}[hidden]{display:none!important}
:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:3px solid var(--focus);outline-offset:3px}.skip-link{position:absolute;left:1rem;top:-100px;z-index:100;background:var(--surface);color:var(--text);padding:.8rem 1rem;border:2px solid var(--focus)}.skip-link:focus{top:1rem}
.notice{border:1px solid var(--control-line);border-left:4px solid var(--link);border-radius:8px;padding:.85rem 1rem;background:var(--info-bg);color:var(--text);margin:1rem 0;overflow-wrap:anywhere}.notice.error{background:var(--danger-bg);color:var(--danger);border-left-color:var(--danger)}.notice.success{background:var(--success-bg);color:var(--success);border-left-color:var(--success)}.notice.warning{background:var(--warning-bg);color:var(--warning);border-left-color:var(--warning)}.badge{display:inline-flex;align-items:center;gap:.4rem;font-size:.875rem;font-weight:700;padding:.25rem .65rem;border-radius:6px;background:var(--raised);color:var(--muted);border:1px solid var(--control-line)}.badge.success{color:var(--success);background:var(--success-bg)}.badge.warning{color:var(--warning);background:var(--warning-bg)}.badge.error{color:var(--danger);background:var(--danger-bg)}
.facts{display:grid;grid-template-columns:minmax(8rem,max-content) minmax(0,1fr);gap:.6rem 1.5rem}.facts dt{font-weight:700;color:var(--muted)}.facts dd{margin:0;overflow-wrap:anywhere}.field{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.2rem;min-width:0}.field label{font-weight:650}.field input:not([type=checkbox]):not([type=radio]),.field select,.field textarea{background:var(--bg);color:var(--text);border:1px solid var(--control-line);border-radius:8px;padding:.7rem .8rem;font:inherit;width:100%;min-height:44px}.field textarea{min-height:130px}.field input::placeholder,.field textarea::placeholder{color:var(--muted)}.field input:disabled,.field select:disabled,.field textarea:disabled{background:var(--raised);color:var(--muted)}input[type=checkbox],input[type=radio]{accent-color:var(--primary);width:1.15rem;height:1.15rem;flex-shrink:0}.errorlist{margin:.35rem 0 .7rem;color:var(--danger);padding-left:1.4rem}.errorlist:before{content:"ตรวจข้อมูล: ";font-weight:700}.helptext{color:var(--muted);font-size:.875rem}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 1.25rem}.form-grid .field:has(textarea),.form-grid .check-field,.form-grid .full,.form-grid>.errorlist{grid-column:1/-1}.check-field{flex-direction:row-reverse;justify-content:flex-end;align-items:flex-start;gap:.7rem}.check-field input{margin-top:.4rem}.check-field label{font-weight:400}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:1rem}.cards .card{margin:0}.question{padding:1rem 1.25rem}.question legend{font-weight:700;padding:.4rem;max-width:100%}.choice{display:flex;align-items:flex-start;gap:.8rem;min-height:48px;padding:.7rem .85rem;margin:.4rem 0;border:1px solid var(--control-line);border-radius:8px;cursor:pointer;overflow-wrap:anywhere}.choice input{margin-top:.25rem}.choice:hover{background:var(--raised)}.choice:has(input:checked){background:var(--info-bg);border-color:var(--link);box-shadow:inset 3px 0 var(--link)}.choice:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:2px}
.exam-head{display:flex;justify-content:space-between;align-items:center;gap:1rem}.exam-status-bar{position:sticky;top:0;z-index:5;display:flex;gap:1rem;justify-content:space-between;align-items:center;padding:.85rem 1rem;background:var(--surface);border:1px solid var(--control-line);border-radius:8px;margin:1rem 0}.exam-status-bar p{margin:0}.save-status[data-state=saving]{color:var(--warning)}.save-status[data-state=saved]{color:var(--success)}.save-status[data-state=error]{color:var(--danger)}.timer{font-family:Consolas,monospace;font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.timer-box{display:flex;align-items:center;gap:.7rem;flex-shrink:0}.timer-box[data-level=warning]{color:var(--warning)}.timer-box[data-level=critical]{color:var(--danger)}.timer-label{font-size:.875rem}
.footer{display:flex;justify-content:space-between;gap:1rem;padding:2rem 0;border-top:1px solid var(--line);margin-top:3rem;color:var(--muted);font-size:.875rem}.prose{white-space:normal;max-width:85ch;overflow-wrap:anywhere}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:1rem 0;max-width:100%}table{border-collapse:collapse;width:100%;background:var(--surface);font-size:1rem}td,th{text-align:left;padding:.85rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--raised);font-weight:700;white-space:nowrap}tbody tr:hover{background:var(--raised)}tbody tr:last-child td{border-bottom:0}td{overflow-wrap:anywhere}td a{display:inline-flex;align-items:center;min-height:44px}.staff-nav{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0 1.5rem}.staff-nav a{display:flex;align-items:center;min-height:44px;padding:.5rem .85rem;background:var(--surface);border:1px solid var(--control-line);border-radius:8px;text-decoration:none}.staff-nav a[aria-current=page]{background:var(--info-bg);color:var(--text);border-color:var(--link);box-shadow:inset 0 -3px var(--link)}
.metric-number{display:block;font-size:2rem;font-weight:750;font-variant-numeric:tabular-nums;line-height:1.4;margin:.7rem 0}.metric-number.warning{color:var(--warning)}.metric-number.success{color:var(--success)}.metric-number.error{color:var(--danger)}.readiness-list{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}.readiness-list li{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid var(--line);padding-bottom:.8rem}.readiness-list li:last-child{border:0}.turnstile-check{margin:1rem 0}.empty-state{padding:2rem;color:var(--muted)}
@media(max-width:800px){.header-row{align-items:flex-start;flex-direction:column}.header-row nav{justify-content:flex-start;width:100%}.account-email{max-width:100%}.form-grid{display:block}.facts{grid-template-columns:1fr}.facts dd{margin-bottom:.65rem}.readiness-list li{align-items:flex-start;flex-direction:column;gap:.4rem}}
@media(max-width:560px){.wrap{width:calc(100% - 2rem)}.brand img{width:48px;height:48px}main.wrap{padding-top:1.5rem}.card{padding:1.1rem}.exam-status-bar{flex-direction:column;align-items:stretch;gap:.5rem}.timer-box{justify-content:space-between}.footer{flex-direction:column}.question{padding:.75rem}.theme-toggle,.nav-login{font-size:.875rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}