/* 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:nowrap; margin-bottom:24px; }
.settings-tabs .nut { min-width:0; white-space:nowrap; }
@media(max-width:700px){.settings-tabs { gap:6px; }.settings-tabs .nut { flex:1; padding-inline:8px; font-size:14px; }}
.settings-tab-panel.cai-dat-grid { display:block; columns:2; column-gap:20px; }
.settings-tab-panel > .cai-dat-card { break-inside:avoid; margin:0 0 20px; }
.settings-tab-panel > .tich-hop-tong-quan { column-span:all; }
@media(max-width:700px){.settings-tab-panel.cai-dat-grid{columns:1}}
.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}}
/* Backup reuses the catalog heading, table and shared controls. */
.backup-page .backup-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:16px;margin-bottom:20px}
.backup-heading h1{margin:0;min-width:0}
.backup-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.backup-page .icon-btn,.backup-dialog .icon-btn{--editor-control:44px}
.backup-title{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 12px}
.backup-title [data-count]{color:var(--phu);font-size:13px;white-space:nowrap}
.backup-page{min-width:0;max-width:100%}
.backup-table-wrap{max-width:100%;overflow-x:auto}
.backup-table{min-width:480px}
.backup-table th,.backup-table td:not([colspan]){white-space:nowrap}
.backup-table td{font-variant-numeric:tabular-nums}
.backup-table th:first-child,.backup-table td:first-child:not([colspan]){width:1%}
.backup-table th:nth-child(2),.backup-table td:nth-child(2){text-align:right}
.backup-table th:last-child,.backup-table td:last-child:not([colspan]){width:1%;text-align:right}
.backup-table .backup-actions{justify-content:flex-end;flex-wrap:nowrap}
.backup-job{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:8px;padding:16px 20px;font-size:13px;animation:backup-line-in .24s ease-out}
.backup-job [data-status]{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--phu)}
.backup-job time{flex:none;color:var(--phu);font-variant-numeric:tabular-nums}
.backup-job[data-state=failed] [data-status],.backup-job[data-state=interrupted] [data-status]{color:var(--do)}
.backup-row-enter>td{animation:backup-line-in .36s ease-out}
@keyframes backup-line-in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.backup-job,.backup-row-enter>td{animation:none}}
.backup-dialog{position:fixed;box-sizing:border-box;width:min(500px,calc(100% - 32px));max-height:90dvh;overflow:auto;padding:24px;border:1px solid var(--vien);border-radius:var(--r);background:var(--mat);color:var(--chu);box-shadow:var(--shadow)}
.backup-dialog::backdrop{background:rgba(0,0,0,.35)}
.backup-page [hidden],.backup-dialog [hidden]{display:none!important}
.backup-dialog .dau-hop h2{font-size:24px;margin:0}
.backup-google{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:24px 0;border-bottom:1px solid var(--vien)}
.backup-google>div{display:grid;gap:4px;min-width:0}
.backup-google strong{font-size:14px;font-weight:500}
.backup-google small{color:var(--phu);overflow-wrap:anywhere}
.backup-google>button{flex-shrink:0}
.backup-form fieldset{border:0;padding:0;margin:16px 0 0;min-width:0}
.backup-toggle{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;margin-bottom:16px;cursor:pointer;font-size:14px;font-weight:500}
.backup-toggle input{appearance:none;position:relative;width:40px;height:24px;flex:none;margin:0;border:1px solid var(--control-border);border-radius:var(--pill);background:var(--surface-muted);cursor:pointer}
.backup-toggle input::before{content:'';position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:var(--phu)}
.backup-toggle input:checked{background:var(--brand-primary);border-color:var(--brand-primary)}
.backup-toggle input:checked::before{left:19px;background:var(--brand-on-primary)}
.backup-toggle input:focus-visible{outline:2px solid var(--chu);outline-offset:3px}
.backup-form-grid{display:grid;gap:16px}
.backup-setting-row{display:grid;grid-template-columns:minmax(0,1fr) 120px;align-items:center;gap:16px;min-width:0;font-size:14px}
.backup-setting-row>span{display:grid;gap:4px}
.backup-form-grid small{color:var(--phu);font-size:12px;font-weight:400}
.backup-form-grid input{width:100%;min-width:0;box-sizing:border-box;text-align:center}
.backup-retention{margin-top:20px;padding-top:20px;border-top:1px solid var(--vien)}
.backup-retention h3{margin:0 0 16px;font-size:14px;font-weight:500}
.backup-footer{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}
.backup-form [data-error]{color:var(--do);font-size:13px;margin:16px 0 0}
.backup-form [data-error]:empty{display:none}
@media(max-width:600px){.backup-actions{gap:4px}.backup-dialog{padding:24px 20px}.backup-setting-row{grid-template-columns:minmax(0,1fr) 108px;gap:12px}.backup-job{padding-inline:16px}}