/* Admin Console: dedicated five-tab management workspace */
.admin-console-active .main-nav,
.admin-console-active .sub-nav{display:none!important}
.admin-console-active .workspace{padding-top:var(--settings-h)!important;padding-left:0!important;padding-right:0!important;padding-bottom:0!important}
.admin-console-active .settings-nav{top:0!important;left:0!important;right:0!important}
.admin-console-active .workspace-main{display:block!important;place-items:unset!important;min-height:calc(100dvh - var(--settings-h));padding:28px clamp(16px,3.5vw,44px) calc(118px + env(safe-area-inset-bottom))!important}
.admin-console{width:min(1240px,100%);margin:0 auto;display:grid;gap:22px}
.admin-console-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;padding:4px 2px 2px}
.admin-console-head h1{font:800 clamp(2.1rem,4.4vw,3.8rem)/.96 "Manrope",sans-serif;letter-spacing:-.055em;margin:7px 0 9px}
.admin-console-head p{margin:0;max-width:720px;color:var(--muted);line-height:1.55}
.admin-console-content{display:grid;gap:18px}
.admin-console-nav{position:fixed;z-index:74;left:50%;bottom:calc(14px + env(safe-area-inset-bottom));transform:translateX(-50%);width:min(760px,calc(100% - 28px));min-height:72px;display:grid;grid-template-columns:repeat(5,1fr);gap:6px;padding:7px;border:1px solid color-mix(in srgb,var(--line) 78%,var(--text) 22%);border-radius:24px;background:color-mix(in srgb,var(--surface) 90%,transparent);box-shadow:0 18px 54px rgba(17,19,21,.16);backdrop-filter:blur(22px) saturate(1.35);-webkit-backdrop-filter:blur(22px) saturate(1.35)}
.admin-console-nav button{min-width:0;border:0;border-radius:17px;background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;gap:8px;padding:9px 7px;font:700 .79rem "DM Sans",sans-serif;transition:background .16s ease,color .16s ease,transform .16s ease;-webkit-tap-highlight-color:transparent}
.admin-console-nav button span{width:24px;height:24px;display:grid;place-items:center;flex:0 0 auto}
.admin-console-nav button .ui-icon{width:20px;height:20px}
.admin-console-nav button.active{background:var(--text);color:var(--bg)}
.admin-console-nav button:active{transform:scale(.97)}
.admin-console-nav button:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px}

.admin-console-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.admin-console-metric{min-height:128px;padding:19px 20px;border:1px solid var(--line);border-radius:22px;background:var(--surface);display:flex;flex-direction:column;justify-content:flex-end;box-shadow:0 10px 28px rgba(17,19,21,.045)}
.admin-console-metric strong{font:800 2rem "Manrope";letter-spacing:-.045em}
.admin-console-metric span{font-weight:750;margin-top:4px}
.admin-console-metric small{color:var(--muted);margin-top:2px}
.admin-console-overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.admin-console-card{padding:22px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--surface) 95%,var(--accent) 5%));display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:16px;box-shadow:0 12px 32px rgba(17,19,21,.045)}
.admin-console-card-icon{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 15%,var(--surface));color:var(--text)}
.admin-console-card-icon .ui-icon{width:25px;height:25px}
.admin-console-card small{color:var(--muted);font-size:.73rem;text-transform:uppercase;letter-spacing:.08em;font-weight:750}
.admin-console-card h2{font:800 1.25rem "Manrope";letter-spacing:-.03em;margin:3px 0 5px}
.admin-console-card p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.45}

.admin-console-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding:3px 2px 5px}
.admin-console-section-head h2{font:800 clamp(1.75rem,3.7vw,2.8rem) "Manrope";letter-spacing:-.045em;margin:5px 0 6px}
.admin-console-section-head p{max-width:780px;margin:0;color:var(--muted);line-height:1.5}
.admin-console-list{display:grid;gap:10px}
.admin-console-empty{grid-column:1/-1;min-height:190px;display:grid;place-items:center;text-align:center;padding:26px;border:1px dashed var(--line);border-radius:22px;color:var(--muted);background:color-mix(in srgb,var(--surface) 60%,transparent)}
.admin-console-empty.compact{min-height:90px}

.admin-person-row,.admin-course-row,.admin-room-row{display:flex;align-items:center;gap:14px;padding:15px 16px;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:0 7px 22px rgba(17,19,21,.035)}
.admin-person-avatar{width:46px;height:46px;flex:0 0 46px;border-radius:15px;display:grid;place-items:center;background:var(--text);color:var(--bg);font:800 1rem "Manrope"}
.admin-person-copy,.admin-course-row>div:first-child,.admin-room-row>div:nth-child(2){min-width:0;display:grid;gap:2px;flex:1}
.admin-person-copy strong,.admin-course-row strong,.admin-room-row strong{font:750 1rem "DM Sans"}
.admin-person-copy span,.admin-course-row span,.admin-room-row span{color:var(--muted);font-size:.84rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.admin-person-copy small,.admin-course-row small,.admin-room-row small{color:var(--muted);font-size:.74rem}
.admin-person-actions,.admin-course-row>div:last-child{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}
.admin-room-icon{width:46px;height:46px;flex:0 0 46px;border-radius:15px;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 17%,var(--surface));font-size:1.15rem}
.admin-room-row>.btn{margin-inline-start:auto}
.admin-course-row{justify-content:space-between}

.admin-teacher-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.admin-teacher-card{display:grid;grid-template-columns:64px minmax(0,1fr) auto;grid-template-areas:"avatar copy actions" "stats stats stats";gap:14px;padding:18px;border:1px solid var(--line);border-radius:23px;background:var(--surface);box-shadow:0 10px 28px rgba(17,19,21,.04)}
.admin-teacher-avatar{grid-area:avatar;width:64px;height:64px;border-radius:20px;overflow:hidden;background:color-mix(in srgb,var(--accent) 16%,var(--surface));display:grid;place-items:center;font:800 1.2rem "Manrope"}
.admin-teacher-avatar img{width:100%;height:100%;object-fit:cover}
.admin-teacher-copy{grid-area:copy;min-width:0}
.admin-teacher-copy h3{font:800 1.13rem "Manrope";letter-spacing:-.025em;margin:2px 0 3px}
.admin-teacher-copy p{margin:0;color:var(--muted);font-size:.81rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.admin-teacher-copy>div{display:flex;flex-wrap:wrap;gap:5px;margin-top:9px}
.admin-teacher-copy>div span{padding:4px 7px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2);font-size:.7rem;font-weight:700}
.admin-teacher-actions{grid-area:actions;display:flex;align-items:flex-start;gap:6px}
.admin-teacher-stats{grid-area:stats;display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding-top:11px;border-top:1px solid var(--line)}
.admin-teacher-stats span{display:flex;align-items:baseline;gap:5px;color:var(--muted);font-size:.72rem}
.admin-teacher-stats strong{font-size:.97rem;color:var(--text)}

.admin-console-loading{min-height:340px;display:grid;place-items:center;align-content:center;gap:14px;color:var(--muted)}
.admin-console-loading span{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--text);border-radius:50%;animation:admin-spin .8s linear infinite}
@keyframes admin-spin{to{transform:rotate(360deg)}}

.admin-console-sheet{width:min(760px,calc(100% - 28px));max-height:min(88dvh,860px);overflow:auto}
.admin-account-summary{display:grid;gap:3px;padding:15px;margin-bottom:18px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2)}
.admin-account-summary span,.admin-account-summary small{color:var(--muted)}
.admin-account-stage{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;margin-bottom:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.admin-account-stage span{color:var(--muted);font-size:.78rem;font-weight:700}.admin-account-stage strong{text-transform:capitalize}
.teacher-editor-subjects{display:grid;gap:12px;margin:18px 0}
.teacher-editor-subject{border:1px solid var(--line);border-radius:18px;padding:14px;background:var(--surface-2)}
.teacher-editor-subject>header{display:grid;grid-template-columns:minmax(0,1fr) 150px 36px;gap:10px;align-items:center;margin-bottom:12px}
.teacher-editor-subject>header>strong{font:800 1rem "Manrope"}
.teacher-editor-subject>header label{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:.72rem;font-weight:700}
.teacher-editor-subject>header input{width:78px;height:36px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);padding:0 8px}
.teacher-editor-subject button[data-remove-teacher-subject],
.teacher-editor-chapter-head button,.teacher-editor-lecture button{width:36px;height:36px;border:0;border-radius:10px;background:transparent;color:var(--muted);font-size:1.05rem}
.teacher-editor-subject button:hover{background:color-mix(in srgb,var(--danger) 11%,transparent);color:var(--danger)}
.teacher-editor-chapters{display:grid;gap:9px}
.teacher-editor-chapter{padding:11px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.teacher-editor-chapter-head{display:grid;grid-template-columns:minmax(0,1fr) 36px;gap:7px}
.teacher-editor-chapter-head input,.teacher-editor-lecture input{height:40px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);padding:0 10px;min-width:0}
.teacher-editor-lectures{display:grid;gap:7px;margin:9px 0}
.teacher-editor-lecture{display:grid;grid-template-columns:minmax(130px,1fr) minmax(160px,1.2fr) 36px;gap:7px}

html[data-theme="dark"] .admin-console-nav{box-shadow:0 18px 54px rgba(0,0,0,.42)}
html[data-theme="dark"] .admin-console-card,
html[data-theme="dark"] .admin-console-metric,
html[data-theme="dark"] .admin-person-row,
html[data-theme="dark"] .admin-course-row,
html[data-theme="dark"] .admin-room-row,
html[data-theme="dark"] .admin-teacher-card{box-shadow:0 10px 30px rgba(0,0,0,.16)}

@media(max-width:900px){
  .admin-console-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .admin-console-overview-grid,.admin-teacher-grid{grid-template-columns:1fr}
  .admin-console-card{grid-template-columns:48px minmax(0,1fr)}
  .admin-console-card>.btn{grid-column:1/-1}
  .admin-person-row{align-items:flex-start;flex-wrap:wrap}
  .admin-person-copy{min-width:calc(100% - 64px)}
  .admin-person-actions{width:100%;justify-content:flex-start;margin-inline-start:60px}
}
@media(max-width:720px){
  .admin-console-active .workspace{padding-top:var(--settings-h)!important;padding-bottom:0!important}
  .admin-console-active .workspace-main{min-height:calc(100dvh - var(--settings-h));padding:20px 12px calc(104px + env(safe-area-inset-bottom))!important}
  .admin-console{gap:17px}
  .admin-console-head{align-items:flex-start}
  .admin-console-head h1{font-size:2.25rem}
  .admin-console-head p{font-size:.86rem}
  .admin-console-head>.btn{width:44px;height:44px;padding:0;font-size:0;flex:0 0 auto}
  .admin-console-head>.btn::after{content:"↻";font-size:1.2rem}
  .admin-console-nav{left:0;right:0;bottom:0;transform:none;width:100%;min-height:76px;border-radius:22px 22px 0 0;border-left:0;border-right:0;border-bottom:0;padding:7px 6px calc(7px + env(safe-area-inset-bottom));box-shadow:0 -12px 38px rgba(17,19,21,.12)}
  .admin-console-nav button{flex-direction:column;gap:3px;padding:6px 2px;border-radius:13px;font-size:.61rem;line-height:1}
  .admin-console-nav button span{width:22px;height:22px}
  .admin-console-nav button .ui-icon{width:19px;height:19px}
  .admin-console-metric{min-height:105px;padding:14px}
  .admin-console-metric strong{font-size:1.65rem}
  .admin-console-section-head{align-items:flex-start;flex-direction:column}
  .admin-console-section-head>.btn{width:100%}
  .admin-person-row,.admin-course-row,.admin-room-row{padding:13px}
  .admin-person-actions{margin-inline-start:0}
  .admin-person-actions .btn{flex:1}
  .admin-course-row,.admin-room-row{align-items:flex-start;flex-wrap:wrap}
  .admin-course-row>div:last-child,.admin-room-row>.btn{width:100%;margin-inline-start:0}
  .admin-course-row>div:last-child .btn{flex:1}
  .admin-room-row>.btn{justify-content:center}
  .admin-teacher-card{grid-template-columns:56px minmax(0,1fr);grid-template-areas:"avatar copy" "actions actions" "stats stats";padding:14px}
  .admin-teacher-avatar{width:56px;height:56px;border-radius:17px}
  .admin-teacher-actions .btn{flex:1}
  .admin-teacher-actions{width:100%}
  .admin-console-sheet{left:0!important;right:0!important;bottom:0!important;top:auto!important;transform:none!important;width:100%!important;max-height:92dvh;border-radius:26px 26px 0 0!important;padding-bottom:calc(18px + env(safe-area-inset-bottom))!important}
  .teacher-editor-subject>header{grid-template-columns:minmax(0,1fr) 110px 34px}
  .teacher-editor-subject>header label{font-size:0}
  .teacher-editor-subject>header label input{font-size:.8rem;width:72px}
  .teacher-editor-lecture{grid-template-columns:1fr 34px}
  .teacher-editor-lecture input:nth-child(2){grid-column:1/-1;grid-row:2}
  .teacher-editor-lecture button{grid-column:2;grid-row:1}
}

.admin-account-stage{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 15px;padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface-2)}
.admin-account-stage span{color:var(--muted);font-size:.8rem;font-weight:700}.admin-account-stage strong{font-size:.88rem}
.admin-teacher-card.removed{opacity:.68}.admin-teacher-status{display:inline-flex;margin-inline-start:6px;padding:3px 6px;border-radius:999px;background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger);font:.7rem/1 "DM Sans";vertical-align:middle}

/* Unified Admin bottom navigation and teacher content workspace */
.admin-console-active .main-nav,.admin-console-active .sub-nav{display:none!important}
.admin-console-active .workspace-main{padding-bottom:calc(var(--main-h) + 34px + env(safe-area-inset-bottom))!important}
.admin-console-nav{left:0!important;right:0!important;bottom:0!important;transform:none!important;width:100%!important;height:var(--main-h)!important;min-height:var(--main-h)!important;padding:7px 8px calc(7px + env(safe-area-inset-bottom))!important;border:0!important;border-top:1px solid var(--line)!important;border-radius:0!important;background:color-mix(in srgb,var(--bg) 94%,transparent)!important;box-shadow:none!important;grid-template-columns:repeat(5,1fr)!important;backdrop-filter:blur(18px)!important;-webkit-backdrop-filter:blur(18px)!important}
.admin-console-nav button{height:100%;min-width:0;padding:7px 3px!important;border-radius:12px!important;background:transparent!important;color:var(--muted)!important;display:flex!important;flex-direction:column;gap:4px;font-size:.68rem!important;line-height:1.05}
.admin-console-nav button.active{color:var(--text)!important;background:var(--surface)!important;box-shadow:inset 0 3px 0 var(--accent)!important}
.admin-console-nav button span{width:22px;height:22px}.admin-console-nav button strong{font:700 inherit "DM Sans",sans-serif}
.admin-teacher-card{display:grid;grid-template-columns:minmax(0,1fr);gap:12px}.admin-teacher-open{border:0;background:transparent;color:inherit;text-align:inherit;display:grid;grid-template-columns:64px minmax(0,1fr) auto;grid-template-areas:"avatar copy stats";gap:14px;align-items:center;padding:0;cursor:pointer}.admin-teacher-open>.admin-teacher-avatar{grid-area:avatar}.admin-teacher-open>.admin-teacher-copy{grid-area:copy}.admin-teacher-open>.admin-teacher-stats{grid-area:stats;border:0;padding:0;display:flex;gap:12px}.admin-teacher-open:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:5px;border-radius:16px}
.admin-teacher-profile-form{display:grid;grid-template-columns:148px minmax(0,1fr);gap:20px;align-items:start}.admin-teacher-picture-preview{width:148px;aspect-ratio:1;border-radius:28px;overflow:hidden;border:1px solid var(--line);background:var(--surface-2);display:grid;place-items:center;font:800 2rem "Manrope"}.admin-teacher-picture-preview img{width:100%;height:100%;object-fit:cover}.admin-teacher-profile-fields small{display:block;margin-top:6px;color:var(--muted)}
.admin-teacher-content-page{display:grid;gap:18px}.admin-content-toolbar,.admin-content-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.admin-content-teacher{display:grid;grid-template-columns:72px minmax(0,1fr);gap:16px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:24px;background:var(--surface)}.admin-content-teacher .admin-teacher-avatar{width:72px;height:72px}.admin-content-teacher h2{margin:3px 0 4px;font:800 1.5rem "Manrope"}.admin-content-teacher p{margin:0;color:var(--muted)}
.admin-content-chapters{display:grid;gap:14px}.admin-content-chapter{padding:18px;border:1px solid var(--line);border-radius:22px;background:var(--surface);display:grid;gap:13px}.admin-content-chapter-head{display:flex;align-items:end;justify-content:space-between;gap:14px}.admin-content-chapter-head .field{margin:0;flex:1}.admin-content-chapter-actions{display:flex;gap:7px;align-items:center}.admin-import-button{cursor:pointer}.admin-content-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px}.admin-content-table{width:100%;border-collapse:collapse;min-width:650px}.admin-content-table th,.admin-content-table td{padding:9px;border-bottom:1px solid var(--line);text-align:start}.admin-content-table tr:last-child td{border-bottom:0}.admin-content-table th{font-size:.75rem;color:var(--muted);background:var(--surface-2)}.admin-content-table input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text);padding:0 10px}
@media(max-width:720px){.admin-teacher-open{grid-template-columns:56px minmax(0,1fr);grid-template-areas:"avatar copy" "stats stats"}.admin-teacher-open>.admin-teacher-stats{justify-content:flex-start}.admin-teacher-profile-form{grid-template-columns:1fr}.admin-teacher-picture-preview{width:112px}.admin-content-chapter-head{align-items:stretch;flex-direction:column}.admin-content-chapter-actions>*{flex:1}.admin-content-toolbar{position:sticky;top:0;z-index:4;padding:8px 0;background:var(--bg)}}


/* Admin owns the mobile dock. Suppress the authenticated shell dock and mirror its geometry/material. */
.admin-console-active .bottom-nav,
.admin-console-active .quiet-return-button{display:none!important}
.admin-console-nav{position:fixed!important;left:50%!important;right:auto!important;bottom:max(10px,env(safe-area-inset-bottom))!important;z-index:130!important;transform:translateX(-50%)!important;width:min(calc(100% - 24px),440px)!important;height:64px!important;min-height:64px!important;padding:6px!important;display:grid!important;grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:2px!important;border:1px solid var(--nav-cover-border)!important;border-radius:30px!important;background:var(--nav-cover)!important;backdrop-filter:blur(26px) saturate(1.4)!important;-webkit-backdrop-filter:blur(26px) saturate(1.4)!important;box-shadow:0 16px 38px #0000001c!important}
.admin-console-nav button{position:relative!important;height:52px!important;min-width:0!important;padding:0!important;display:grid!important;place-items:center!important;border:0!important;border-radius:23px!important;background:transparent!important;color:var(--muted)!important;box-shadow:none!important;-webkit-tap-highlight-color:transparent}
.admin-console-nav button span{width:46px!important;height:46px!important;display:grid!important;place-items:center!important;border-radius:21px!important;transition:transform .2s cubic-bezier(.2,.8,.2,1),color .2s ease!important}
.admin-console-nav button span .ui-icon{width:25px!important;height:25px!important;stroke-width:1.75!important}
.admin-console-nav button strong{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip-path:inset(50%)!important;white-space:nowrap!important}
.admin-console-nav button.active{color:var(--accent)!important;background:transparent!important;box-shadow:none!important}
.admin-console-nav button.active span{animation:bottom-nav-arrive .28s cubic-bezier(.2,.9,.25,1)!important}
.admin-console-nav button.active span .ui-icon{stroke-width:2!important}
.admin-console-nav button:active span{transform:scale(.88)}
@media(hover:hover){.admin-console-nav button:not(.active):hover{color:var(--text)!important}.admin-console-nav button:not(.active):hover span{transform:translateY(-2px)}}