:root{--bg:#f5f5f3;--card:#fff;--text:#171717;--muted:#6b7280;--line:#e5e7eb;--accent:#a61b1b;--accent2:#7e1414;--good:#0f8a4b;--warn:#b7791f;--bad:#c53030;--shadow:0 12px 30px rgba(0,0,0,.06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden}img,svg{max-width:100%}button,input,textarea,select{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#fbf5ef,#f4ede2)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.login-card{width:min(430px,100%);padding:34px}.brand-badge{width:54px;height:54px;border-radius:16px;background:var(--accent);color:white;display:grid;place-items:center;font-weight:900;letter-spacing:.06em}.brand-badge.small{width:38px;height:38px;border-radius:12px;font-size:13px;flex:none}.login-card h1{margin:18px 0 4px}.muted{color:var(--muted)}label{display:block;font-size:13px;font-weight:700;margin:18px 0 7px}input,textarea,select{width:100%;border:1px solid #d7dbe0;border-radius:11px;padding:11px 12px;background:white;outline:none}input:focus,textarea:focus,select:focus{border-color:#b98989;box-shadow:0 0 0 3px rgba(166,27,27,.08)}textarea{min-height:110px;resize:vertical}.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:800;cursor:pointer}.btn.primary{background:var(--accent);color:white}.btn.primary:hover{background:var(--accent2)}.btn.secondary{background:#1f2937;color:white}.btn.ghost{background:#f3f4f6;color:#222}.btn.danger{background:#fff1f1;color:var(--bad)}.btn.small{padding:7px 10px;font-size:13px}.full{width:100%}.login-card .btn{margin-top:22px}.app{min-height:100vh;display:grid;grid-template-columns:245px 1fr}.sidebar{background:#171717;color:white;padding:20px 16px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:11px;padding:4px 4px 24px}.brand small{display:block;color:#aaa;margin-top:2px}.sidebar nav{display:grid;gap:6px}.nav{border:0;background:transparent;color:#c9c9c9;text-align:left;padding:11px 12px;border-radius:10px;cursor:pointer;font-weight:700}.nav:hover,.nav.active{background:#2a2a2a;color:white}.sidebar-bottom{margin-top:auto}.content{padding:26px 30px 50px;min-width:0;width:100%;overflow-x:hidden}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.topbar h2{margin:0 0 4px}.topbar p{margin:0}.status-pill{font-size:13px;font-weight:800;border-radius:999px;padding:8px 12px}.status-pill.online{background:#dcfce7;color:#166534}.status-pill.offline{background:#fee2e2;color:#991b1b}.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{padding:18px}.stat .num{font-size:28px;font-weight:900;margin-top:7px}.panel{padding:20px;min-width:0}.panel h3{margin:0 0 16px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:grid;gap:12px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:13px}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{padding:12px 13px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:middle}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#6b7280;background:#fafafa}.table tr:last-child td{border-bottom:0}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 8px;font-size:12px;font-weight:800}.badge.good{background:#dcfce7;color:#166534}.badge.wait{background:#fef3c7;color:#92400e}.badge.bad{background:#fee2e2;color:#991b1b}.badge.gray{background:#f3f4f6;color:#374151}.thumb{width:74px;height:74px;object-fit:cover;border-radius:10px;border:1px solid var(--line);background:#fafafa}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}.media-card{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#eee}.media-card .body{padding:12px}.media-card .name{font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.schedule-card{padding:16px;display:grid;grid-template-columns:72px 1fr auto;gap:14px;align-items:center}.schedule-time{font-size:22px;font-weight:900;color:var(--accent)}.schedule-title{font-weight:900}.schedule-meta{font-size:13px;color:var(--muted);margin-top:4px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-span{grid-column:1/-1}.check-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}.check{display:flex;gap:8px;align-items:center;border:1px solid var(--line);padding:10px;border-radius:10px;background:#fff}.check input{width:auto;margin:0}.day-row{display:flex;gap:6px;flex-wrap:wrap}.day-chip{display:flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:7px 10px}.day-chip input{width:auto}.qr-box{display:grid;place-items:center;min-height:310px;border:1px dashed #cbd5e1;border-radius:16px;background:#fafafa;padding:20px}.qr-box img{max-width:280px;width:100%;height:auto}.notice{border-radius:12px;padding:12px 14px;background:#fff8e1;color:#7a5511;border:1px solid #f2dfac;font-size:14px}.toast{position:fixed;right:24px;top:24px;z-index:1000;background:#111;color:white;padding:12px 16px;border-radius:10px;opacity:0;transform:translateY(-8px);pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translateY(0)}.toast.error{background:#991b1b}.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:18px}.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}.modal-box{position:relative;width:min(780px,100%);max-height:92vh;overflow:auto;background:white;border-radius:18px;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:28px;cursor:pointer}.empty{padding:28px;text-align:center;color:var(--muted)}.actions{display:flex;gap:7px;flex-wrap:wrap}.smalltext{font-size:12px;color:var(--muted)}@media(max-width:900px){.app{grid-template-columns:1fr}.sidebar{position:static;height:auto;width:100%;min-width:0}.sidebar nav{display:flex;overflow-x:auto;overflow-y:hidden;max-width:100%;-webkit-overflow-scrolling:touch}.nav{flex:0 0 auto;white-space:nowrap}.sidebar-bottom{display:none}.content{padding:20px;width:100%;max-width:100vw}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.form-grid{grid-template-columns:1fr}.schedule-card{grid-template-columns:60px minmax(0,1fr)}.schedule-card>.actions{grid-column:1/-1}.ai-layout{grid-template-columns:1fr}.command-box,.inline-upload{grid-template-columns:1fr}.topbar{flex-wrap:wrap}}@media(max-width:520px){.sidebar{padding:12px 10px}.brand{padding:2px 2px 12px}.sidebar nav{gap:4px}.nav{padding:9px 10px;font-size:14px}.stats{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column;gap:10px;margin-bottom:18px}.topbar h2{font-size:24px;line-height:1.2}.topbar p{font-size:14px}.status-pill{white-space:nowrap;align-self:flex-start}.content{padding:14px}.panel{padding:16px;border-radius:14px}.grid{gap:12px}.command-box textarea{min-height:110px}.btn{min-height:42px}.modal{padding:8px}.modal-box{padding:20px 16px;border-radius:14px;max-height:96vh}.form-grid{gap:10px}.check-grid{grid-template-columns:1fr}.prepared-card{grid-template-columns:1fr}}
.ai-box{border:1px solid #d9dce2;border-radius:14px;padding:14px;background:#fafafa}.ai-box h4{margin:0 0 8px}.ai-options{display:flex;gap:8px;flex-wrap:wrap}.ai-option{display:flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 10px;font-size:13px;font-weight:700}.ai-option input{width:auto;margin:0}.inline-upload{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}.preview-box{white-space:pre-wrap;border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px;min-height:90px}.command-box{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.command-box textarea{min-height:86px}.ai-status{display:flex;align-items:center;gap:10px}.code-chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f3f4f6;border-radius:7px;padding:4px 7px}.prepared-card{padding:14px;display:grid;grid-template-columns:120px 1fr auto;gap:12px;align-items:start}.prepared-caption{white-space:pre-wrap;font-size:14px;color:#30343b}.radio-row{display:flex;gap:10px;flex-wrap:wrap}.radio-row label{margin:0}.section-gap{margin-top:16px}.ai-layout{grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr)}.ai-layout>*{min-width:0}@media(max-width:700px){.inline-upload,.command-box{grid-template-columns:1fr}.prepared-card{grid-template-columns:1fr}}

/* v2.0.3 mobile AI layout hardening — keep this after all base AI rules */
@media (max-width:900px){
  .ai-layout{
    grid-template-columns:minmax(0,1fr)!important;
    width:100%;
    max-width:100%;
  }
  .ai-layout>*{
    min-width:0!important;
    width:100%;
    max-width:100%;
  }
  .ai-layout .card,
  .ai-layout .panel{
    min-width:0;
    width:100%;
    max-width:100%;
    overflow:hidden;
  }
  .ai-layout input,
  .ai-layout select,
  .ai-layout textarea,
  .ai-layout button{
    max-width:100%;
    min-width:0;
  }
}
@media (max-width:520px){
  .ai-layout{display:grid;gap:12px;}
  .ai-layout .panel{padding:16px;}
  .ai-layout h3{font-size:22px;line-height:1.2;overflow-wrap:anywhere;}
  .ai-layout .row{min-width:0;}
  .ai-layout .muted{overflow-wrap:anywhere;}
}

/* v2.1.0 Calendar + Bộ nhóm + Guardrail + Alerts */
.stats{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.top-status{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.status-pill.warning{background:#fef3c7;color:#92400e}
.clickable{cursor:pointer}
.block{display:block}
.group-select-scroll{max-height:52vh;overflow:auto;padding-right:4px}
.alert-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border:1px solid #fecaca;background:#fff1f2;color:#881337;border-radius:14px;margin-bottom:16px}
.alert-list{display:grid;gap:12px}
.alert-card{border:1px solid var(--line);border-left:5px solid #9ca3af;background:#fff;border-radius:14px;padding:15px}
.alert-card.critical{border-left-color:#b91c1c;background:#fff7f7}
.alert-card.warning{border-left-color:#d97706;background:#fffbeb}
.alert-card.info{border-left-color:#2563eb;background:#eff6ff}
.alert-card.resolved{opacity:.65;background:#fafafa}
.alert-card h4{margin:10px 0 6px}.alert-card p{margin:0 0 10px;white-space:pre-wrap;overflow-wrap:anywhere}
.calendar-week{display:grid;grid-template-columns:repeat(7,minmax(145px,1fr));gap:10px;overflow-x:auto;padding-bottom:4px}
.calendar-day{border:1px solid var(--line);border-radius:14px;background:#fafafa;min-width:145px;overflow:hidden}
.calendar-day>header{padding:11px 12px;border-bottom:1px solid var(--line);background:#fff;display:flex;justify-content:space-between;gap:8px;align-items:center}.calendar-day>header span{font-size:12px;color:var(--muted)}
.calendar-events{display:grid;gap:8px;padding:9px;min-height:150px;align-content:start}
.calendar-event{border:1px solid #ead6d6;background:#fff;border-radius:11px;padding:10px;text-align:left;display:grid;gap:3px;cursor:pointer;color:inherit;width:100%}.calendar-event:hover{border-color:#b98989;box-shadow:0 4px 12px rgba(0,0,0,.05)}
.calendar-event.skipped{opacity:.62;border-style:dashed;background:#f3f4f6}.calendar-time{color:var(--accent);font-weight:900}.calendar-event small{color:var(--muted);line-height:1.35}.calendar-empty{color:#9ca3af;font-size:12px;text-align:center;padding:18px 6px}
@media(max-width:900px){.top-status{justify-content:flex-start}.calendar-week{grid-template-columns:1fr;overflow:visible}.calendar-day{min-width:0}.calendar-events{min-height:0}.alert-banner{align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.top-status{width:100%}.status-pill{font-size:12px;padding:7px 10px}.calendar-day>header{position:sticky;top:0}.alert-card{padding:13px}}