:root{--admin-primary: #13715f;--admin-primary-dim: #0f5c4e;--admin-primary-soft: #e8f4f0;--admin-background: #f5f7f6;--admin-surface: #ffffff;--admin-surface-subtle: #f8faf9;--admin-surface-muted: #eef3f1;--admin-text: #153b35;--admin-muted: #5c746d;--admin-border: #dce9e5;--admin-border-strong: #cbd8d4;--admin-danger: #b42318;--admin-danger-soft: #fff0ec;--admin-success-soft: #e8f4f0;--admin-warning: #a05a12;--admin-warning-soft: #fff5e8;--admin-radius: 8px;--admin-shadow: 0 10px 24px rgba(21, 59, 53, .04);--admin-focus: 0 0 0 3px rgba(19, 113, 95, .14)}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--admin-background);color:var(--admin-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.admin-shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100dvh;background:var(--admin-background)}.admin-sidebar{position:sticky;top:0;display:grid;grid-template-rows:auto 1fr;gap:16px;height:100dvh;overflow-y:auto;border-right:1px solid var(--admin-border);background:var(--admin-surface);padding:16px 12px}.brand-block{display:flex;align-items:center;gap:10px;min-width:0;padding:4px 6px 12px;border-bottom:1px solid var(--admin-border)}.brand-mark{display:inline-grid;flex:0 0 auto;width:36px;height:36px;place-items:center;border-radius:var(--admin-radius);background:var(--admin-primary);color:#fff;font-size:12px;font-weight:800}.brand-block h1{margin:0;color:var(--admin-text);font-size:15px;line-height:1.2}.brand-block p,.topbar p,.page-panel p,.stat-card span,.page-summary dt{margin:0;color:var(--admin-muted);font-size:12px}.topbar p,.page-panel p,.section-header p,.stat-card span,.page-summary dt{font-weight:800;letter-spacing:0;text-transform:uppercase}.admin-sidebar nav{display:grid;align-content:start;gap:4px}.nav-link{display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:10px;width:100%;min-height:36px;border:1px solid transparent;border-radius:var(--admin-radius);background:transparent;color:var(--admin-muted);padding:0 10px;line-height:1.2;text-align:left;transition:background-color .16s ease,border-color .16s ease,color .16s ease}.nav-link span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-link:hover,.nav-link:focus-visible{background:var(--admin-surface-muted);outline:none}.nav-link:focus-visible{border-color:var(--admin-primary);box-shadow:var(--admin-focus)}.nav-link[data-active=true]{border-color:var(--admin-primary-soft);background:var(--admin-primary-soft);color:var(--admin-primary);font-weight:750}.admin-workspace{display:grid;grid-template-rows:auto 1fr auto;min-width:0}.topbar{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;border-bottom:1px solid var(--admin-border);background:#fffffff0;padding:10px 24px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topbar strong{display:block;margin-top:2px;color:var(--admin-text);font-size:15px;line-height:1.3}.topbar-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.admin-main{display:grid;align-content:start;gap:14px;min-width:0;padding:20px 24px}.admin-login-shell{display:grid;min-height:100dvh;place-items:center;align-content:center;padding:24px}.icp-footer{padding:16px;color:var(--admin-muted);font-size:13px;line-height:1.6;text-align:center;overflow-wrap:anywhere}.icp-footer a{color:inherit;text-decoration:none;text-underline-offset:3px}.icp-footer a:hover,.icp-footer a:focus-visible{text-decoration:underline}.icp-footer a:focus-visible{outline:2px solid var(--admin-primary);outline-offset:4px}.login-panel{display:grid;gap:14px;width:min(100%,420px);border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface);padding:20px;box-shadow:var(--admin-shadow)}.login-panel p{margin:0 0 4px;color:var(--admin-muted)}.login-panel h1{margin:0;color:var(--admin-text);font-size:24px;line-height:1.2}.login-panel label{display:grid;gap:6px;color:var(--admin-text);font-weight:700}.login-panel input{min-height:36px;border:1px solid var(--admin-border-strong);border-radius:var(--admin-radius);color:var(--admin-text);padding:7px 9px}.login-panel input:focus{border-color:var(--admin-primary);outline:none;box-shadow:var(--admin-focus)}.login-panel button{min-height:36px;border:1px solid var(--admin-primary);border-radius:var(--admin-radius);background:var(--admin-primary);color:#fff;font-weight:750}.login-panel button:hover,.login-panel button:focus-visible{background:var(--admin-primary-dim);outline:none;box-shadow:var(--admin-focus)}.panel,.stat-card{border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface);box-shadow:var(--admin-shadow)}.panel{padding:14px}.page-panel-header,.dialog-actions,.drawer-header,.drawer-footer{display:flex;align-items:center;justify-content:space-between;gap:12px}.stat-card span,.section-header span,.list-row span,.audit-item span{margin:0;color:var(--admin-muted)}.page-panel h2,.drawer-header h2,.confirm-dialog h2{margin:3px 0 0;color:var(--admin-text);font-size:20px;line-height:1.2;letter-spacing:0}.page-summary{display:grid;grid-template-columns:repeat(2,minmax(0,240px));gap:12px;margin:14px 0 0}.page-summary div{min-width:0;border-top:1px solid var(--admin-border);padding-top:10px}.page-summary dd{margin:4px 0 0;color:var(--admin-text);font-size:15px;font-weight:700}.status-chip{display:inline-flex;align-items:center;min-height:28px;border:1px solid var(--admin-border);border-radius:999px;background:var(--admin-surface-muted);color:var(--admin-muted);padding:4px 9px;font-size:12px;font-weight:750;line-height:1;white-space:nowrap}.status-chip.connected,.status-chip.active,.status-chip.ready,.status-chip.completed,.status-chip.ok{border-color:transparent;background:var(--admin-success-soft);color:var(--admin-primary)}.status-chip.loading,.status-chip.queued,.status-chip.processing{border-color:transparent;background:var(--admin-warning-soft);color:var(--admin-warning)}.status-chip.error,.status-chip.failed,.status-chip.disabled,.status-chip.archived{border-color:transparent;background:var(--admin-danger-soft);color:var(--admin-danger)}.logout-button,.secondary-action,.primary-action,.danger-action,.text-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:34px;border-radius:var(--admin-radius);padding:6px 10px;font-size:13px;font-weight:750;line-height:1.2;text-decoration:none;white-space:nowrap;transition:background-color .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease}.logout-button,.secondary-action,.text-button{border:1px solid var(--admin-border-strong);background:var(--admin-surface);color:var(--admin-text)}.logout-button:disabled{opacity:.55}.primary-action{border:1px solid var(--admin-primary);background:var(--admin-primary);color:#fff}.danger-action{border:1px solid var(--admin-danger);background:var(--admin-danger);color:#fff}.logout-button:hover:not(:disabled),.secondary-action:hover:not(:disabled),.text-button:hover:not(:disabled){border-color:var(--admin-primary);background:var(--admin-primary-soft);color:var(--admin-primary)}.primary-action:hover:not(:disabled){border-color:var(--admin-primary-dim);background:var(--admin-primary-dim)}.danger-action:hover:not(:disabled){border-color:#8f2d23;background:#8f2d23}.error-banner,.success-banner{display:grid;gap:4px;border-radius:var(--admin-radius);padding:12px 14px;font-weight:700}.error-banner{border:1px solid #efb6a9;background:#fff5f2;color:var(--admin-danger)}.success-banner{border:1px solid var(--admin-border);background:var(--admin-success-soft);color:var(--admin-primary)}.error-banner span,.success-banner span{font-weight:600}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stat-card{min-height:84px;padding:14px}.stat-card strong{display:block;margin-top:8px;color:var(--admin-primary);font-size:26px;line-height:1}.content-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr);align-items:start;gap:14px}.roster-flow{display:grid;gap:14px}.agent-control-grid,.agent-runtime-panels{display:grid;gap:12px;margin-bottom:12px}.agent-control-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.agent-runtime-panels{grid-template-columns:repeat(2,minmax(0,1fr))}.agent-control-card,.agent-runtime-panel{min-width:0;border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface-subtle);padding:12px}.agent-control-card{display:grid;gap:6px}.agent-control-card span,.agent-control-card small,.agent-runtime-list span,.agent-runtime-list small{color:var(--admin-muted);font-size:12px;font-weight:700}.agent-control-card strong{color:var(--admin-primary);font-size:24px;line-height:1.1;overflow-wrap:anywhere}.agent-runtime-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}.agent-runtime-list li{display:grid;gap:4px;min-width:0;border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface);padding:10px}.agent-runtime-list strong,.agent-runtime-list 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var(--admin-border);border-radius:var(--admin-radius);background:linear-gradient(135deg,#13715f1a,#f27a2e0f),var(--admin-surface-subtle);padding:14px}.student-observation-preview{display:block;width:100%;max-height:460px;border-radius:var(--admin-radius);object-fit:contain}video.student-observation-preview{aspect-ratio:16 / 9;background:var(--admin-text)}.student-observation-audio{width:min(100%,520px)}.student-record-muted-text{margin:0;color:var(--admin-muted);font-size:13px;font-weight:650}.student-record-asset-list{display:grid;align-content:start;gap:8px}.student-record-asset-item{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:4px 8px;min-height:58px;border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface-subtle);color:var(--admin-text);padding:9px 10px;text-align:left;transition:background-color .16s ease,border-color .16s ease,box-shadow .16s 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var(--admin-border-strong);background:var(--admin-surface);box-shadow:-12px 0 32px #153b3524}.drawer-header,.drawer-footer{border-bottom:1px solid var(--admin-border);padding:14px}.drawer-footer{border-top:1px solid var(--admin-border);border-bottom:0}.drawer-body{min-height:0;overflow:auto;padding:14px}.confirm-dialog{position:absolute;top:50%;left:50%;display:grid;gap:14px;width:min(420px,calc(100vw - 32px));transform:translate(-50%,-50%);border:1px solid var(--admin-border-strong);border-radius:var(--admin-radius);background:var(--admin-surface);padding:16px;box-shadow:0 20px 50px #153b352e}.confirm-dialog h2{font-size:18px}.dialog-message,.dialog-extra{color:var(--admin-text);line-height:1.5}.operation-form{display:grid;gap:12px}.operation-form fieldset{display:grid;gap:12px;min-width:0;margin:0;border:0;padding:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.record-filter-grid{grid-template-columns:repeat(4,minmax(150px,1fr)) auto;align-items:end}.record-filter-form+.table-wrap,.record-filter-form+.table-state{margin-top:16px}.record-filter-actions{flex-wrap:nowrap;align-self:end;justify-content:flex-end;min-height:34px}.data-table .record-title-column{width:34%;min-width:220px}.data-table .record-title-column .link-button{font-weight:750}.data-table .record-meta-column{width:132px;white-space:nowrap}.data-table .record-date-column{width:180px;white-space:nowrap}.data-table .record-count-column{width:112px;text-align:right;white-space:nowrap}.data-table .record-actions-column{width:122px;text-align:right;white-space:nowrap}.data-table .record-actions-column .row-actions{justify-content:flex-end;flex-wrap:nowrap}.form-field{display:grid;gap:6px;min-width:0;color:var(--admin-text);font-size:13px;font-weight:750}.form-field input,.form-field select,.form-field textarea{width:100%;min-height:34px;border:1px solid var(--admin-border-strong);border-radius:var(--admin-radius);background:var(--admin-surface);color:var(--admin-text);padding:7px 9px;font-weight:500}.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--admin-primary);outline:none;box-shadow:var(--admin-focus)}.form-field textarea{resize:vertical}.form-help{margin:-2px 0 0;color:var(--admin-muted);font-size:12px;font-weight:600}.form-error{margin:-2px 0 0;color:var(--admin-danger);font-size:12px;font-weight:700}.compact-field{width:min(220px,100%)}.form-field dt,.form-field dd{margin:0}.form-field dd{color:var(--admin-text);font-weight:650;overflow-wrap:anywhere}.form-checks{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}.form-checks label{display:inline-flex;align-items:center;gap:6px;color:var(--admin-text);font-size:13px;font-weight:700}.form-checks input{width:16px;height:16px;accent-color:var(--admin-primary)}.template-summary{display:grid;gap:4px;border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface-subtle);padding:8px;color:var(--admin-muted);font-size:12px;font-weight:650}.template-summary span{color:var(--admin-text);font-weight:800}.template-summary p{margin:0}.account-panel{max-width:920px}.account-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}.account-detail-grid div{min-width:0;border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface-subtle);padding:12px}.account-detail-grid dt{color:var(--admin-muted);font-size:12px;font-weight:800}.account-detail-grid dd{margin:7px 0 0;color:var(--admin-text);font-size:15px;font-weight:800;overflow-wrap:anywhere}.admin-roster-detail-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:8px 0 0}.admin-roster-detail-list div{min-width:0;border:1px solid var(--admin-border);border-radius:var(--admin-radius);background:var(--admin-surface-subtle);padding:12px}.admin-roster-detail-list dt{display:block;color:var(--admin-muted);font-size:12px;font-weight:800}.admin-roster-detail-list dd{margin:6px 0 0;color:var(--admin-text);font-size:15px;font-weight:800;overflow-wrap:anywhere}.detail-list{display:grid;gap:8px;margin:8px 0 0;padding-left:18px;color:var(--admin-muted)}@media(max-width:860px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--admin-border)}.admin-sidebar nav{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.topbar,.page-panel-header,.section-header,.compact-list li{align-items:flex-start;flex-direction:column}.topbar-actions{width:100%;justify-content:space-between}.admin-main{padding:18px}.page-summary,.account-detail-grid,.admin-record-info-list,.admin-roster-detail-list,.admin-student-record-detail-layout,.admin-student-record-media-workspace,.agent-control-grid,.agent-runtime-panels,.content-grid,.student-record-detail-layout,.student-record-media-workspace,.stat-grid{grid-template-columns:1fr}}@media(max-width:680px){.form-grid{grid-template-columns:1fr}.record-filter-actions{justify-content:flex-start;width:100%}}