/* Muted surfaces; public presentation only. */
:root{--primary-blue:#245f88;--primary-hover:#194965;--text-dark:#233340;--text-light:#52616b;--surface:#e9eeed;--input:#f0f3f0;--border:#b7c5c7;color-scheme:light}
body{background:linear-gradient(140deg,#d2dfdf,#c3d0d3);color:var(--text-dark);line-height:1.5}
.panel-container{background:var(--surface);box-shadow:0 16px 48px #23334024;border:1px solid #acbfc3;padding:28px 22px;max-width:490px}
.text-input,.grid-box,.cid-val,.lang-select{background:var(--input);color:var(--text-dark);border-color:var(--border)}
.upload-section-card,.result-card,.result-box{background:#dfe8e7;border-color:var(--border)}
button,.btn{border-radius:8px;transition:background .15s,box-shadow .15s;cursor:pointer}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #357dad;outline-offset:3px}
button:disabled{opacity:.55;cursor:wait}
.correction-details{white-space:pre-wrap;word-break:break-word;font:inherit;font-size:13px;color:#384c57}.correction-details:empty{display:none}
[hidden]{display:none!important}
.admin-body{margin:0;padding:0;display:block;font-family:Inter,'Segoe UI',sans-serif;font-size:14px;min-height:100vh}
.admin-shell{max-width:1320px;margin:auto;padding:32px 28px 64px}.admin-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.admin-header h1{font-size:30px;letter-spacing:-1px;margin:2px 0}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2px;color:#416672;margin:0}.muted{color:var(--text-light)}
.card,.metric{background:var(--surface);border:1px solid #b6c6c8;border-radius:14px;padding:22px;box-shadow:0 4px 16px #273e4510;margin-bottom:20px}.login-card{max-width:430px;margin:60px auto}.card h3{margin-top:0}.main-nav{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.main-nav button{background:transparent;color:#304b58;border:1px solid #9cb2b7}.main-nav button.active{background:#245f88;color:#fff;border-color:#245f88}
.admin-body button{background:#245f88;color:#fff;padding:10px 15px;border:1px solid transparent;font:inherit;font-weight:600}.admin-body button:hover{background:#194965}.admin-body button.secondary{background:#d8e3e3;color:#294653;border-color:#a2b9bf}.admin-body button.danger{background:#f0dddd;color:#8e2727;border-color:#d2a5a5}.admin-body input,.admin-body textarea{box-sizing:border-box;background:var(--input);border:1px solid #adbec3;color:#233340;font:inherit;padding:10px 12px;border-radius:7px;max-width:100%;width:100%}.admin-body input[type=checkbox]{width:auto;min-width:18px;min-height:18px}.admin-body label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;margin:0 0 15px}.admin-body textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;align-items:end}.form-grid button{margin-bottom:15px}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.metric strong{display:block;font-size:32px;font-variant-numeric:tabular-nums}.metric span{color:var(--text-light);font-size:13px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.section-title input{width:180px}.table-scroll{overflow:auto;max-width:100%}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:#46616d;font-weight:650;background:#dce5e5}th,td{padding:12px 10px;border-bottom:1px solid #c6d2d4;max-width:250px;overflow-wrap:anywhere;vertical-align:top}td .actions{min-width:190px;display:flex;gap:6px;flex-wrap:wrap}.actions button{font-size:12px;padding:6px 9px}.notice{padding:12px;border-radius:8px;background:#d5e8df;color:#245b42;margin-bottom:16px}.notice:empty{display:none}.notice.error{background:#efdede;color:#852e2e}.admin-body pre{background:#243a46;color:#e1eced;padding:18px;border-radius:9px;overflow:auto;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere}.secret-box{border:2px solid #4a827e}
@media(max-width:700px){.admin-shell{padding:20px 12px}.admin-header h1{font-size:24px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric{padding:15px}.metric strong{font-size:26px}.card{padding:15px}.main-nav{gap:6px}.admin-body .main-nav button{padding:9px 10px;font-size:12px}.panel-container{padding:24px 16px}.section-title>div{display:flex;flex-wrap:wrap;gap:6px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.admin-body .main-nav button{background:#d7e2e2;color:#304b58;border-color:#9cb2b7}.admin-body .main-nav button.active{background:#245f88;color:#fff;border-color:#245f88}.btn-upload-opt{background:#edf2ef!important}