:root{--ink:#162d3e;--muted:#6d7e8b;--line:#dfe7e9;--paper:#f5f7f8;--green:#176657;--gold:#b38943;--danger:#a33843;--shadow:0 8px 28px #1b374008}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 'IBM Plex Sans Thai',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}a{color:var(--green)}[hidden]{display:none!important}.admin-shell{display:grid;grid-template-columns:238px minmax(0,1fr);min-height:100vh}.sidebar{background:#142f39;color:#eaf0ef;padding:32px 22px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-weight:600;font-size:22px}.brand small{display:block;font-size:11px;color:#adc2c7;font-weight:400}.brand-mark{display:grid;place-items:center;width:43px;height:47px;background:#d9c49c;color:#233d41;border-radius:13px;font-family:serif;font-size:24px}.nav-caption{font-size:11px;color:#99b0b7;margin:46px 12px 14px;letter-spacing:.08em}.sidebar nav{display:grid;gap:7px}.nav{border:0;background:none;border-radius:10px;color:#b9cdd0;padding:13px 12px;text-align:left;display:flex;gap:11px;align-items:center}.nav.active,.nav:hover{background:#ffffff12;color:white}.nav.active{box-shadow:inset 3px 0 #d9c49c}.side-bottom{margin-top:auto;font-size:12px;color:#9cb4ba}.side-bottom a{color:#dce8e7}.side-bottom p{border-top:1px solid #ffffff15;padding-top:24px}main{padding:25px clamp(20px,4vw,58px);max-width:1600px;width:100%;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;border-bottom:1px solid 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var(--line);border-radius:13px;padding:23px;box-shadow:var(--shadow)}.module-card{display:grid;grid-template-columns:45px minmax(0,1fr) auto;gap:17px;align-items:start}.module-icon{background:#edf3ef;color:var(--green);border-radius:11px;width:44px;height:44px;display:grid;place-items:center;font-size:22px}.module-card h3{display:inline;font-size:16px}.module-card .description{font-size:12px;color:var(--muted);margin:8px 0}.meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:11px;color:var(--muted)}.module-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px;max-width:320px}.module-card details{font-size:12px;color:var(--muted);margin-top:10px}.module-card summary{cursor:pointer}.panel{margin-bottom:20px}.panel h3{margin-bottom:12px}.panel-note{color:var(--muted);font-size:12px}.empty{text-align:center;padding:36px;color:var(--muted);background:white;border:1px dashed 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