:root{--ink:#17212b;--muted:#657384;--line:#e4e9ee;--bg:#f6f8fb;--card:#fff;--blue:#246bfe;--green:#14966b;--blue-soft:#edf3ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans Thai",Arial,sans-serif}.hidden{display:none!important}.eyebrow{margin:0;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:2px}button,input,select{font:inherit}button{border:0;cursor:pointer}.auth-page{min-height:100vh;display:grid;place-items:center;padding:32px;background:radial-gradient(circle at 12% 12%,#dbeafe 0,transparent 34%),radial-gradient(circle at 90% 86%,#dcfce7 0,transparent 30%),#f5f8fd}.auth-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.75fr);width:min(1040px,100%);overflow:hidden;border:1px solid #dbe7f7;border-radius:28px;background:#fff;box-shadow:0 28px 80px rgba(28,52,91,.16)}.auth-brand{display:flex;flex-direction:column;justify-content:center;padding:64px;background:linear-gradient(145deg,#123d7a,#2563c9);color:#fff}.auth-brand .eyebrow{color:#bfdbfe}.auth-brand h1{margin:12px 0 16px;font-size:40px;line-height:1.15}.auth-brand>p{max-width:520px;margin:0;color:#dbeafe;font-size:17px;line-height:1.7}.auth-feature-list{display:grid;gap:11px;margin-top:32px}.auth-feature-list span{padding:12px 14px;border:1px solid rgba(255,255,255,.18);border-radius:13px;background:rgba(255,255,255,.08);font-size:14px}.auth-card{display:flex;flex-direction:column;justify-content:center;padding:48px}.auth-card-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#eaf2ff;color:#2563eb;font-size:24px;font-weight:900}.auth-card h2{margin:18px 0 6px;font-size:27px}.auth-card>p{margin:0 0 22px;color:var(--muted);line-height:1.55}.auth-card label{display:grid;gap:7px;margin:0 0 14px;color:#334155;font-size:13px;font-weight:800}.auth-card input,.form-grid select{width:100%;min-height:44px;border:1px solid #d5e0ef;border-radius:11px;background:#fff;padding:10px 12px;color:var(--ink)}input:focus,select:focus{outline:3px solid rgba(37,99,235,.12);border-color:#6291ed}.primary{min-height:44px;padding:10px 15px;border-radius:10px;background:var(--blue);color:#fff;font-weight:800}.auth-submit{width:100%;margin-top:4px}.auth-message{min-height:1.2em;margin:10px 0 0;padding:0;font-size:13px;font-weight:700}.auth-message.error{color:#b42318}.auth-message.success{color:#16794b}.app{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--line);padding:24px 14px}.brand{padding:0 10px 23px;color:var(--blue);font-weight:900;letter-spacing:.04em}.brand span{display:inline-grid;place-items:center;width:25px;height:25px;margin-right:7px;border-radius:8px;background:#eaf0ff}.brand small{display:block;margin:5px 0 0 33px;color:var(--muted);font-size:10px;letter-spacing:.08em}.nav{display:grid;gap:4px}.nav button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-radius:10px;background:transparent;color:var(--muted);text-align:left}.nav button.active,.nav button:hover{background:var(--blue-soft);color:var(--blue);font-weight:800}.nav-badge{padding:3px 6px;border-radius:999px;background:#eef2f6;color:#778598;font-size:10px}.side-note{display:flex;gap:9px;align-items:center;margin:30px 10px 0;padding:16px 0 0;border-top:1px solid var(--line)}.side-note b,.side-note small{display:block}.side-note small{margin-top:3px;color:var(--muted);font-size:11px}.account-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(145deg,#2563eb,#174ba8);color:#fff;font-size:14px;font-weight:900}.main{min-width:0;max-width:1400px;width:100%;margin:auto;padding:26px 30px}.topbar,.page-head,.actions{display:flex;justify-content:space-between;gap:16px;align-items:center}.topbar{margin-bottom:28px}.topbar h1{margin:5px 0 0;font-size:24px}.top-actions{display:flex;align-items:center;gap:10px}.ghost{padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}.pill{padding:8px 12px;border-radius:999px;background:#f1f5f9;color:#64748b;font-size:13px}.pill.online{background:#eaf8f2;color:var(--green)}.page-head{align-items:flex-end;margin-bottom:20px}.page-head h2{margin:0;font-size:22px}.muted{margin:6px 0 0;color:var(--muted);line-height:1.55}.grid{display:grid;gap:16px}.card{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--card);box-shadow:0 4px 20px #1b31500a}.settings-card h3{margin:0 0 9px;font-size:17px}.checkline{display:flex;gap:11px;align-items:flex-start;margin:18px 0;padding:14px;border:1px solid #dbe7fa;border-radius:12px;background:#f8fbff}.checkline input,.channel-row input{width:18px;height:18px;accent-color:var(--blue)}.checkline b,.checkline small,.channel-row b,.channel-row small{display:block}.checkline small,.channel-row small{margin-top:3px;color:var(--muted);font-size:12px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid label{display:grid;gap:7px;color:#334155;font-size:13px;font-weight:800}.channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.channel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px;border:1px solid var(--line);border-radius:11px;background:#fff}.actions{justify-content:flex-end}.actions .auth-message{margin-right:auto}@media(max-width:900px){.auth-shell{grid-template-columns:1fr;max-width:620px}.auth-brand{padding:38px}.auth-brand h1{font-size:32px}.auth-card{padding:38px}.app{grid-template-columns:1fr}.sidebar{display:flex;gap:14px;align-items:center;overflow:auto;padding:12px;border-right:0;border-bottom:1px solid var(--line)}.brand{min-width:185px;padding:0}.nav{display:flex}.nav button{white-space:nowrap}.side-note{display:none}.main{padding:20px}}@media(max-width:620px){.auth-page{padding:14px}.auth-shell{border-radius:20px}.auth-brand{padding:28px}.auth-feature-list{display:none}.auth-card{padding:28px}.topbar,.page-head{align-items:flex-start;flex-direction:column}.top-actions{width:100%;justify-content:space-between}.main{padding:18px}.form-grid,.channel-grid{grid-template-columns:1fr}.nav button:not(.active){display:none}.brand{min-width:0}.sidebar{justify-content:space-between}}