/* Operational forms use the shared tokens and controls from styles.css. */
.cai-dat-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; align-items:start; }
.settings-tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:24px; }
.settings-tab-panel[hidden] { display:none!important; }
.settings-tab-panel > .tich-hop-tong-quan { grid-column:1/-1; margin:0; }
.cai-dat-card { padding:0; overflow:hidden; }
.cai-dat-card-rong,.cai-dat-wide { grid-column:1/-1; }
.cai-dat-card-head { padding:24px 24px 0; }
.cai-dat-card-head h2 { margin:0 0 8px; font-size:22px; font-weight:500; }
.cai-dat-card-head p { margin:0; color:var(--phu); font-size:13px; line-height:1.6; }
.cai-dat-fields { display:grid; gap:20px; padding:24px; }
.cai-dat-field { display:grid; gap:8px; min-width:0; }
.cai-dat-field>span,.cai-dat-field>label { font-size:14px; font-weight:500; }
.cai-dat-field small,.cai-dat-toggle small { display:block; color:var(--phu); font-size:12px; font-weight:400; line-height:1.5; }
.cai-dat-field textarea.truong { height:auto; min-height:112px; resize:vertical; }
.cai-dat-toggle { display:flex; align-items:flex-start; gap:12px; padding:16px; border:1px solid var(--vien); border-radius:16px; cursor:pointer; background:var(--mat); }
.cai-dat-toggle input { margin-top:4px; flex:none; width:16px; height:16px; }
.cai-dat-toggle span { min-width:0; font-size:14px; }.cai-dat-toggle b { display:block; margin-bottom:4px; font-weight:500; }
.cai-dat-footer { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-top:24px; padding:0; }
.loi { color:var(--do)!important; }
.canh-bao-bao-tri { padding:12px 18px; text-align:center; border:1px solid #f0dfb6; border-radius:12px; margin-top:12px; font-size:13px; background:#fff8e8; color:var(--vang); }
.tich-hop-tong-quan { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; margin-bottom:24px; }
.tich-hop-tong-quan>div { display:flex; flex-direction:column; align-items:flex-start; gap:8px; padding:12px 0; min-width:0; }
.tich-hop-tong-quan b { font-size:14px; font-weight:500; color:var(--chu); }
.tich-hop-status { display:inline-flex; align-items:center; width:max-content; max-width:100%; gap:5px; border-radius:var(--pill); padding:5px 10px; font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.tich-hop-status.ok { background:#e9f6ef; color:var(--xanh); }.tich-hop-status.off { background:var(--surface-muted); color:var(--phu); }
.ma-he-thong { font-family:ui-monospace,SFMono-Regular,Menlo,monospace; font-size:12px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.tich-hop-info { display:grid; gap:8px; padding:16px; border:1px dashed var(--vien); border-radius:var(--r-sm); background:var(--surface-muted); }.tich-hop-info small { color:var(--phu); line-height:1.5; }
.email-test,.secret-row { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:10px; align-items:center; }.email-test .nut,.secret-row .nut { white-space:nowrap; }
.secret-status { padding:14px 16px; border:1px solid #dfe7df; border-radius:var(--r-sm); background:#f7fbf8; font-size:13px; line-height:1.5; }
.infra-list { display:grid; border:1px solid var(--vien); border-radius:var(--r-sm); overflow:hidden; }.infra-list>div { display:grid; grid-template-columns:1fr 1fr; gap:16px; padding:14px 16px; border-bottom:1px solid var(--vien); font-size:13px; }.infra-list>div:last-child { border-bottom:0; }.infra-list span { color:var(--phu); }.infra-list b { text-align:right; overflow-wrap:anywhere; }
.dong-tich-hop { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:16px 0; border-bottom:1px solid var(--vien); }.dong-tich-hop:last-of-type { border-bottom:0; }.dong-tich-hop>div { display:grid; gap:4px; min-width:0; }.dong-tich-hop small { color:var(--phu); }
.ghi-chu-bao-mat { margin-top:12px; padding:16px; border:1px solid #eadfb8; border-radius:var(--r-sm); background:#fffaf0; font-size:13px; line-height:1.55; }

/* Shared theme preview is local to this panel until Save is pressed. */
.brand-color-control { display:grid; grid-template-columns:48px minmax(0,1fr); gap:12px; align-items:center; }
.brand-color-control input[type=color] { width:48px; height:44px; padding:5px; border:1px solid var(--vien); border-radius:12px; background:var(--mat); cursor:pointer; }
.brand-color-control .truong { text-transform:uppercase; font-variant-numeric:tabular-nums; }
.brand-color-control .truong[aria-invalid=true] { border-color:var(--do); }
.cai-dat-field input[type=range] { width:100%; min-height:44px; accent-color:var(--brand-primary); }
#sSelectionValue { float:right; color:var(--phu); font-variant-numeric:tabular-nums; }
.brand-theme-preview { border:1px solid var(--vien); border-radius:var(--r); padding:20px; background:var(--nen); }
.r2-settings-fields { display:grid; gap:20px; min-width:0; border:0; padding:0; margin:0; }
.r2-settings-fields .nhom-nut { flex-wrap:wrap; }
.r2-settings-status { margin:0; overflow-wrap:anywhere; }
#r2Settings [hidden] { display:none!important; }
.settings-asset { display:flex; align-items:center; gap:16px; padding:16px; border:1px solid var(--vien); border-radius:12px; }
.settings-asset input[hidden] { display:none; }
.settings-asset-preview { width:56px; height:56px; flex:0 0 56px; display:grid; place-items:center; background:transparent; border-radius:12px; overflow:hidden; }
.settings-asset-preview img { width:100%; height:100%; object-fit:contain; padding:6px; }
.settings-asset-info { min-width:0; flex:1; display:grid; gap:4px; }
.settings-asset-info b { font-size:14px; font-weight:500; }
.settings-asset-info small { color:var(--phu); overflow-wrap:anywhere; }
.settings-asset .nut { flex-shrink:0; }
@media(max-width:480px) { .settings-asset { flex-wrap:wrap; gap:12px; }.settings-asset .nut { margin-left:68px; } }
.brand-preview-caption { display:block; color:var(--phu); font-size:12px; margin-bottom:16px; }
.brand-preview-controls { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:16px; }
.brand-preview-controls>span { display:inline-flex; align-items:center; min-height:40px; padding:10px 16px; border-radius:var(--pill); font-size:13px; font-weight:500; }
.brand-preview-primary { color:var(--brand-on-primary); background:var(--brand-primary); }
.brand-preview-selected { background:var(--brand-soft); color:var(--brand-text); border:1px solid var(--brand-border); }
.brand-preview-secondary { background:var(--button-secondary); color:var(--button-secondary-text); border:1px solid var(--button-secondary-border); }
.brand-theme-preview>small { color:var(--phu); font-size:12px; }

/* Keep exam navigation after the questions, without a surface or sticky positioning. */
.dieu-huong-thi{position:static;background:transparent;border:0;padding:0 0 calc(12px + env(safe-area-inset-bottom));}

/* Legacy editor entry point shares tokens without overriding core controls. */
.tpl-a1-modal .noi-hop { width:min(1120px,100%); }.tpl-a1-grid { display:grid; grid-template-columns:minmax(0,1fr) 180px; gap:16px; }.tpl-a1-question { border:1px solid var(--vien); border-radius:var(--r); padding:20px; margin-top:16px; background:var(--mat); }.tpl-a1-head { display:flex; justify-content:space-between; gap:12px; align-items:center; }.tpl-a1-question-grid { display:grid; grid-template-columns:minmax(0,1fr) 130px; gap:12px; }.tpl-a1-choice { display:grid; grid-template-columns:42px minmax(0,1fr) minmax(0,1fr); gap:8px; align-items:center; margin-top:12px; }.tpl-a1-choice input { width:100%; height:44px; border:1px solid var(--vien); border-radius:var(--r-sm); padding:0 12px; }.tpl-a1-total { font-weight:600; }

@media(max-width:960px) { .tich-hop-tong-quan { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:680px) {
  .cai-dat-grid { grid-template-columns:1fr; }.cai-dat-card-rong,.cai-dat-wide { grid-column:auto; }.the.cai-dat-card { padding:0; }.cai-dat-card-head { padding:20px 20px 0; }.cai-dat-fields { padding:20px; }.cai-dat-footer { align-items:stretch; flex-direction:column; }.cai-dat-footer .nut { width:100%; }
  .email-test,.secret-row { grid-template-columns:1fr; }.email-test .nut,.secret-row .nut { width:100%; }.infra-list>div { grid-template-columns:1fr; gap:4px; }.infra-list b { text-align:left; }.tich-hop-tong-quan>div { padding:8px 0; }
  .tpl-a1-grid,.tpl-a1-question-grid { grid-template-columns:1fr; }.tpl-a1-choice { grid-template-columns:36px 1fr; }.tpl-a1-choice input:nth-of-type(2) { grid-column:2; }
}
/* A2: shared reading stimulus and compact letter answers. */
.exam-reading-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:start}
.exam-reading-split .exam-instruction{margin:0}
.exam-reading-split>div{min-width:0}
.letter-answers{display:grid;gap:20px}
.letter-question{display:flex;align-items:center;gap:20px;justify-content:space-between}
.letter-question label{flex:1}
.letter-question input,.letter-question select,.letter-table select{width:76px;min-height:44px;text-align:center}
.letter-table-scroll{overflow-x:auto}
.letter-table{width:100%;border-collapse:collapse;min-width:560px}
.letter-table th,.letter-table td{border:1px solid var(--line,#dde1e4);padding:12px;text-align:center}
.letter-table th span{display:block;font-weight:400;margin-top:8px}
.letter-example{display:inline-block;min-width:44px;text-align:center;font-weight:600}
.letter-answer-error{color:#b42318;margin:0}
.letter-answer-error:empty{display:none}
.letter-builder-answer{display:flex;gap:16px;align-items:center;margin-top:16px}
.letter-builder-answer select{width:100px}
.part-audio-guide{margin:0 0 20px;line-height:1.6}
@media(max-width:760px){.exam-reading-split{grid-template-columns:minmax(0,1fr);gap:24px}}