:root{color-scheme:light;--ink:#111827;--muted:#667085;--line:#d8dee8;--soft:#f5f7fa;--blue:#0f62fe;--blue-dark:#0b4fd4;--success:#067647;--danger:#b42318;--focus:rgba(15,98,254,.18)}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,"Noto Sans Thai","Sarabun",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#fff;color:var(--ink);-webkit-font-smoothing:antialiased}
body{min-height:100vh;display:flex;flex-direction:column}
.topbar{height:72px;border-bottom:1px solid #e7eaf0;display:flex;align-items:center;padding:0 32px;background:#fff}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:21px;letter-spacing:-.45px}
.brand-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,#111827 0 58%,#f59e0b 58% 100%);box-shadow:0 4px 14px rgba(17,24,39,.15)}
.page{width:100%;max-width:520px;margin:0 auto;padding:72px 24px 48px;flex:1}
.eyebrow{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.025em;margin:0 0 12px}
h1{font-size:32px;line-height:1.22;letter-spacing:-.8px;margin:0 0 14px}
.lead{font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 30px}
.workspace{display:flex;align-items:center;gap:9px;background:var(--soft);border:1px solid #e7eaf0;border-radius:8px;padding:10px 12px;margin-bottom:24px;font-size:13px;color:#475467}
.workspace-dot{width:8px;height:8px;border-radius:50%;background:#12b76a;box-shadow:0 0 0 3px rgba(18,183,106,.12)}
.workspace strong{color:#344054;overflow-wrap:anywhere}
.field{margin-bottom:20px}
label{display:block;font-size:14px;font-weight:650;color:#344054;margin-bottom:8px}
.input{width:100%;height:48px;border:1px solid #b8c1ce;border-radius:7px;background:#fff;padding:0 13px;font:inherit;font-size:15px;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.input:hover{border-color:#8d99a8}
.input:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px var(--focus)}
.input[aria-invalid="true"]{border-color:var(--danger);box-shadow:0 0 0 4px rgba(180,35,24,.10)}
.hint{font-size:13px;line-height:1.55;color:var(--muted);margin:8px 0 0}
.password-wrap{position:relative}
.password-wrap .input{padding-right:76px}
.reveal{position:absolute;right:8px;top:7px;height:34px;border:0;background:transparent;color:#475467;font-weight:650;cursor:pointer;border-radius:5px;padding:0 8px}
.reveal:hover,.reveal:focus-visible{background:#eef2f6;outline:0}
.btn{width:100%;min-height:48px;border:0;border-radius:7px;background:var(--blue);color:#fff;font:inherit;font-size:15px;font-weight:750;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:9px;transition:background .15s,transform .05s}
.btn:hover:not(:disabled){background:var(--blue-dark)}
.btn:active:not(:disabled){transform:translateY(1px)}
.btn:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.btn:disabled{opacity:.62;cursor:not-allowed}
.spinner{display:none;width:17px;height:17px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
.btn.loading .spinner{display:block}
@keyframes spin{to{transform:rotate(360deg)}}
.status{display:none;border-radius:8px;padding:14px 15px;margin-bottom:22px;font-size:14px;line-height:1.6;border:1px solid}
.status.show{display:block}
.status.info{color:#1849a9;background:#eff8ff;border-color:#b2ddff}
.status.success{color:var(--success);background:#ecfdf3;border-color:#abefc6}
.status.error{color:var(--danger);background:#fef3f2;border-color:#fecdca}
.status strong{display:block;margin-bottom:2px}
.back{display:inline-flex;align-items:center;gap:7px;margin-top:24px;color:var(--blue);font-size:14px;font-weight:650;text-decoration:none}
.back:hover{text-decoration:underline}
.security-note{display:flex;align-items:flex-start;gap:10px;border-top:1px solid #e7eaf0;margin-top:32px;padding-top:22px;color:#667085;font-size:13px;line-height:1.55}
.security-icon{width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:#ecfdf3;color:var(--success);display:grid;place-items:center;font-weight:900}
.checklist{list-style:none;padding:0;margin:10px 0 22px;display:grid;grid-template-columns:1fr 1fr;gap:7px 16px}
.checklist li{font-size:12px;color:#667085;display:flex;align-items:center;gap:7px}
.checklist li::before{content:"";width:7px;height:7px;border-radius:50%;background:#c4cbd4}
.checklist li.ok{color:var(--success)}
.checklist li.ok::before{background:#12b76a}
.footer{text-align:center;color:#98a2b3;font-size:12px;padding:22px 24px 30px}
.hidden{display:none!important}
@media(max-width:600px){.topbar{height:64px;padding:0 20px}.page{padding:44px 20px 36px}h1{font-size:27px}.checklist{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}