/* Studio: a shared visual system for learning and administration. */
:root{--ink:#29263d;--ink-soft:#575269;--muted:#80788d;--green:#6551cf;--green-2:#806cdd;--green-3:#eeebfb;--bg:#f7f7fb;--line:#e9e8f0;--shadow:0 8px 30px #25233906;--accent:#6551cf;--accent-soft:#eeebfb}
body{background:var(--bg);color:var(--ink);font-size:13px;line-height:1.65}h1,h2,h3{color:var(--ink);font-family:'Be Vietnam Pro',sans-serif;letter-spacing:-.7px}h1{font-size:32px;line-height:1.35}h2{font-size:21px;line-height:1.4}h3{font-size:15px}p{line-height:1.8}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #a69ae8;outline-offset:4px}.ui-icon{width:18px;height:18px;stroke-width:1.8;vertical-align:-.2em;flex-shrink:0}.eyebrow{font-size:10px;letter-spacing:1.6px;color:var(--muted);gap:8px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.sidebar{width:238px;padding:28px 18px 18px;background:#fff;backdrop-filter:none;border-right:1px solid var(--line)}.brand{text-decoration:none;padding:0 8px;gap:10px}.brand-mark{width:37px;height:37px;border-radius:12px;background:var(--accent);box-shadow:none;flex-shrink:0}.brand strong{font:700 14px/1.5 'Be Vietnam Pro',sans-serif;letter-spacing:-.6px}.brand-dot{color:var(--accent)}.brand small{font-size:7px;letter-spacing:1.2px;color:var(--muted);margin-top:3px}.nav-caption{margin:42px 12px 13px;font-size:9px;letter-spacing:1.3px;color:#9690a3}.nav{display:flex;flex-direction:column;gap:6px;margin:0}.nav-button{min-height:46px;border-radius:9px;padding:12px;gap:11px;font-size:12px;font-weight:500;color:#77718b;box-shadow:none}.nav-button.active{color:var(--accent);background:var(--accent-soft);box-shadow:none;font-weight:650}.nav-button:hover{background:#f5f3fc;transform:none}.nav-button>.ui-icon{width:19px;height:19px}.nav-button span.nav-label{display:inline;width:auto;height:auto;font-size:inherit}.nav-button em{margin-left:auto;font-style:normal;font-size:10px;background:#fff;padding:1px 6px;border-radius:5px;color:var(--accent)}.nav-divider{height:1px;background:var(--line);margin:18px 12px}.sidebar-note{margin:40px 7px 22px;margin-top:auto;padding:20px 15px 13px;background:#f7f5fd;border:none;border-radius:12px;color:#77718f;font-size:11px}.sidebar-note b{color:#4d456c;font-size:12px}.sidebar-note p{margin:7px 0 14px;font-size:10px;line-height:1.75}.sidebar-note button{border:0;background:none;padding:0;color:var(--accent);font-size:10px;display:flex;align-items:center;gap:7px}.note-symbol{display:inline-grid;place-items:center;width:28px;height:28px;background:#e9e3fb;color:var(--accent);border-radius:8px;margin-bottom:9px}.sidebar-profile{background:none;border:0;border-top:1px solid var(--line);padding:17px 7px 0;display:flex;align-items:center;gap:10px;text-align:left;width:100%;color:var(--ink)}.sidebar-profile>span:nth-child(2){flex:1;min-width:0}.sidebar-profile b,.sidebar-profile small{display:block}.sidebar-profile b{font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-profile small{font-size:9px;color:var(--muted)}.sidebar-profile>.ui-icon{width:14px}.avatar{color:#755a96;background:#eee7f8;width:34px;height:34px;border-radius:50%;font-size:11px;flex-shrink:0}.main{margin-left:238px;padding:0 38px 48px;max-width:1800px}.topbar{min-height:79px;border-bottom:1px solid var(--line);gap:18px}.crumb{display:flex;gap:9px;align-items:center;font-size:11px;color:#9790a6;font-weight:400}.crumb .ui-icon{width:13px;height:13px}.crumb b{font-weight:500;color:#565167}.topbar-tools{display:flex;align-items:center;gap:18px}.workspace-status{display:flex;align-items:center;gap:6px;font-size:10px;color:#7f7a90}.workspace-status i,.teacher-online i,.live-badge i{display:inline-block;width:6px;height:6px;background:#72a993;border-radius:50%}.topbar .ghost-btn{border:0;background:none;padding:4px;display:flex;gap:6px;align-items:center;color:#8b859c;font-size:11px}.profile-chip{border:0;padding:0;background:none}.page{padding-top:30px;max-width:1300px;margin:auto}
.btn,.solid-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--accent);border-radius:9px;background:var(--accent);color:white;font-weight:600;font-size:12px;padding:11px 17px;line-height:1.55;box-shadow:none}.btn:hover,.solid-button:hover{background:#5742b9;box-shadow:0 4px 10px #6551cf15;transform:translateY(-1px)}.btn.secondary,.outline-button,.outline-wide{border:1px solid var(--line);color:var(--ink-soft);background:#fff;box-shadow:none}.btn.secondary:hover,.outline-button:hover,.outline-wide:hover{border-color:#c9bfe9;background:#faf9ff}.btn.warning{border:1px solid #f3dbb8;background:#fff9ed;color:#987045}.btn.danger{background:#fff2f0;border-color:#f6ddda;color:#b55e58}.icon-btn,.ghost-btn{border-radius:8px;box-shadow:none}.icon-btn{display:inline-grid;place-items:center;flex-shrink:0}.outline-button,.outline-wide{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:8px;font-weight:500;font-size:11px}.outline-wide{width:100%;margin-top:20px}.outline-button .ui-icon,.solid-button .ui-icon{width:15px;height:15px}.field-label{color:#676279;font-size:11px;font-weight:550;margin:15px 0 8px}.field,.text-field,.select{color:var(--ink);border-color:var(--line);border-radius:8px;background:#fbfbfd;padding:12px 13px;font-size:12px}.field:focus,.text-field:focus,.select:focus{border-color:#a99ae0;box-shadow:0 0 0 3px #6551cf0d}.field::placeholder,.text-field::placeholder{color:#aaa5b8}.field{line-height:1.8}.actions{flex-wrap:wrap}.count-badge{font-size:11px;color:var(--accent);background:var(--accent-soft);border-radius:6px;padding:3px 8px;margin-left:5px;vertical-align:middle}.date-chip{display:flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font-size:10px;color:var(--muted);background:white;white-space:nowrap}
.explore-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.explore-heading h1{font-size:29px;margin:5px 0 6px}.explore-heading p{color:var(--muted);font-size:12px;margin:0}.explore-hero{display:grid;grid-template-columns:1.25fr 1fr;background:#262440;color:#fff;border-radius:18px;padding:35px 38px;overflow:hidden;min-height:280px;gap:24px}.hero-label{font-size:9px;letter-spacing:1.7px;color:#c4bce6;display:flex;align-items:center;gap:8px}.hero-label>span{width:5px;height:5px;border-radius:50%;background:#c3b6ec}.explore-hero h2{color:#fff;font-size:32px;line-height:1.4;margin:15px 0 12px;letter-spacing:-1.2px}.explore-hero h2 em{font-style:normal;color:#cabef1}.explore-hero p{color:#b6b1ce;font-size:12px;max-width:450px;margin-bottom:22px}.explore-hero .btn{background:#d1c5f5;color:#302848;border:0;font-size:11px;padding:11px 16px}.explore-hero .btn:hover{background:#e0d8f8}.science-art{position:relative;align-self:center;justify-self:center;width:290px;height:250px;color:#dfd4ff}.science-orbit{position:absolute;left:20px;top:45px;width:250px;height:160px;border:1px solid #c6b6fa3d;border-radius:50%}.orbit-a{transform:rotate(-30deg)}.orbit-b{transform:rotate(38deg)}.science-center{position:absolute;left:99px;top:78px;width:92px;height:92px;display:grid;place-items:center;border-radius:24px;background:#ffffff08;border:1px solid #c6b6fa50;box-shadow:inset 0 0 35px #bca4f519;transform:rotate(-9deg)}.science-center .ui-icon{width:57px;height:57px;stroke-width:1}.science-satellite{position:absolute;width:49px;height:49px;display:grid;place-items:center;border-radius:14px;background:#45415e;border:1px solid #e7dfff26}.science-satellite .ui-icon{width:25px;height:25px;stroke-width:1.4}.satellite-a{left:12px;top:70px;transform:rotate(-15deg);color:#e2d4b0}.satellite-b{right:3px;top:120px;transform:rotate(12deg);color:#bcddd4}.satellite-c{left:183px;top:10px;transform:rotate(15deg);color:#e8cbd9}.science-star{position:absolute;color:#bdb2db;font-size:20px;font-weight:200}.star-a{top:30px;left:70px}.star-b{bottom:45px;right:53px}.science-caption{position:absolute;bottom:0;left:0;width:100%;text-align:center;font-size:7px;letter-spacing:2px;color:#9289af}
.learning-strip{display:grid;grid-template-columns:repeat(3,1fr) 1.2fr;border:1px solid var(--line);border-radius:12px;background:white;margin:20px 0 30px;padding:19px 0}.learning-strip>div,.learning-strip>button{display:flex;align-items:center;gap:14px;padding:0 20px;border-right:1px solid var(--line)}.learning-strip>div>.ui-icon{width:21px;height:21px;color:#a69bbd;stroke-width:1.6}.learning-strip b{font-size:22px;font-weight:650;line-height:1.3}.learning-strip b small{font-size:12px;font-weight:400;color:var(--muted)}.learning-strip span>small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.learning-strip>button{border:0;background:none;color:var(--accent);font-size:10px;justify-content:center}.progress-ring{width:44px;height:44px;border-radius:50%;background:conic-gradient(var(--accent) var(--progress),#eeeaf8 0);display:grid;place-items:center;font-size:10px;position:relative;isolation:isolate}.progress-ring:before{content:'';position:absolute;inset:3px;background:white;border-radius:50%;z-index:-1}.learning-strip>button .ui-icon{width:14px}.section-head h2{margin:5px 0;font-size:21px}.search-wrap{display:flex;align-items:center;position:relative;min-width:225px}.search-wrap>.ui-icon{position:absolute;left:12px;top:12px;width:16px;height:16px;color:#b0aabc}.search-wrap input{padding:10px 12px 10px 37px;border-radius:8px;border-color:var(--line);font-size:11px}.course-filters{align-items:center;gap:5px;margin:18px 0 20px}.filter{border-radius:7px;font-size:11px;font-weight:500;padding:7px 13px;color:#868093;border-color:transparent;background:none}.filter.active{color:var(--accent);background:#eae5f9;border-color:transparent}.course-filters>span{margin-left:auto;font-size:10px;color:#9b95a8}
.task-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.task-card{padding:0;min-height:0;border-radius:13px;box-shadow:none;border-color:var(--line);background:white}.task-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px #39335109;border-color:#d4cce8}.task-card.completed:after{display:none}.course-cover{position:relative;height:129px;background:#f0eaf9;display:grid;place-items:center;overflow:hidden;color:#8c70b5}.task-card.physics .course-cover{background:#f6efdf;color:#ae8a49}.task-card.biology .course-cover{background:#e7efee;color:#6d9990}.course-pattern{position:absolute;width:160px;height:160px;border:1px solid currentColor;opacity:.12;border-radius:50%;transform:translateX(55px) rotate(-25deg)}.course-pattern:after{content:'';position:absolute;inset:14px;border:1px solid currentColor;border-radius:50%;transform:translateX(-70px)}.course-number{position:absolute;left:17px;top:14px;font:500 10px 'Space Grotesk',sans-serif;opacity:.75}.course-cover .task-icon{background:none!important;box-shadow:none;margin:0;width:auto;height:auto;transform:rotate(-8deg);color:inherit}.course-cover .task-icon .ui-icon{width:48px;height:48px;stroke-width:1.1}.course-level{position:absolute;right:13px;bottom:10px;font-size:8px;background:#ffffff60;padding:3px 7px;border-radius:4px}.course-body{padding:18px 19px 13px;display:flex;flex-direction:column;flex:1}.course-meta{display:flex;align-items:center;justify-content:space-between;color:#8b7e99;font-size:8px;margin-bottom:11px}.course-meta span:first-child{display:flex;gap:4px;align-items:center}.course-meta .ui-icon{width:11px;height:11px}.task-card h3{font-size:14px;letter-spacing:-.3px;line-height:1.55;margin:0 0 7px}.task-card p{font-size:10px;line-height:1.8;color:#81768b;margin-bottom:17px}.course-bottom{display:flex;align-items:center;justify-content:space-between;gap:4px;border-top:1px solid #f2eff6;padding-top:11px;margin-top:auto}.course-status{display:flex;gap:4px;align-items:center;font-size:8px;color:#8b7f99}.course-status .ui-icon{width:12px;height:12px}.course-open{display:flex;align-items:center;gap:5px;border:0;background:none;padding:4px 0;font-size:10px;font-weight:600;color:var(--accent)}.course-open .ui-icon{width:14px;height:14px}.discovery-footer{border:1px solid var(--line);background:#fff;padding:23px;border-radius:13px;margin-top:28px}.discovery-footer>div:first-child{display:flex;align-items:center;gap:10px}.discovery-footer h3{font-size:13px;margin:0}.discovery-footer .ui-icon{color:var(--accent)}.path-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:18px}.path-steps span{font-size:10px;color:#8e859d;display:flex;align-items:center;gap:8px}.path-steps b{font-family:'Space Grotesk',sans-serif;color:#aa9dcc;font-size:15px;font-weight:500}.empty .ui-icon{width:32px;height:32px;margin-bottom:10px;color:#b0a5c9}.task-grid>.empty{grid-column:1/-1}
/* Unified administration */
.admin-hero-new{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:0 0 24px}.admin-hero-new h1{font-size:30px;margin:7px 0 9px}.admin-hero-new p{font-size:11px;color:#81758d;margin:0;max-width:560px}.admin-hero-actions{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.admin-session-chip{font-size:9px;display:flex;align-items:center;gap:6px;color:#8c799e}.admin-session-chip .ui-icon{width:13px;height:13px}.admin-tabs-new{display:flex;gap:26px;border-bottom:1px solid var(--line);margin-bottom:27px;overflow-x:auto}.admin-tab-new{position:relative;display:flex;align-items:center;gap:8px;white-space:nowrap;border:0;border-radius:0;padding:14px 0;background:none;color:#9682a8;font-size:11px;font-weight:500}.admin-tab-new.active{color:var(--accent);font-weight:650}.admin-tab-new .ui-icon{width:16px;height:16px}.tab-marker{position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--accent)}.admin-kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px;margin-bottom:24px}.admin-kpi{border:1px solid var(--line);background:white;border-radius:12px;padding:20px;display:flex;gap:13px;align-items:flex-start}.kpi-icon{width:37px;height:37px;display:grid;place-items:center;border-radius:10px;background:#eee7f8;color:#a88fbe;flex-shrink:0}.kpi-cyan .kpi-icon{background:#e8f2f2;color:#7da8ac}.kpi-amber .kpi-icon{background:#f9f1e4;color:#bda579}.kpi-rose .kpi-icon{background:#f7ebf1;color:#be8aa3}.admin-kpi b,.admin-kpi small,.admin-kpi em{display:block}.admin-kpi b{font-size:27px;line-height:1.25;font-weight:600;letter-spacing:-1px}.admin-kpi small{font-size:9px;color:#82728e;margin-top:7px}.admin-kpi em{font-size:8px;font-style:normal;color:#9d8ba8;margin-top:9px}.admin-overview-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:22px;margin-bottom:24px}.admin-modern-card{min-width:0;padding:24px;border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:none}.admin-card-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.admin-card-heading h2{font-size:17px;margin:6px 0 0;letter-spacing:-.5px}.admin-card-heading .eyebrow{font-size:8px;letter-spacing:1.4px;color:#9782a5}.chart-wrap{height:228px;position:relative}.live-badge{display:flex;align-items:center;gap:5px;font-size:8px;background:#f0f6f3;padding:5px 7px;border-radius:5px;color:#618470}.system-list>div{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 0;border-bottom:1px solid #f2edf6;font-size:10px}.system-list span{display:flex;align-items:center;gap:8px;color:#8c769b}.system-list .ui-icon{width:15px;height:15px;color:#ac96b9}.system-list b{font-size:9px;font-weight:500;text-align:right}.ok-text{color:#67917a}.warn-text{color:#a78a59}.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.quick-grid button{position:relative;border:1px solid #eee7f5;background:#fcfaff;border-radius:10px;padding:18px;text-align:left}.quick-grid button:hover{background:#f6f0fc;border-color:#d8c6e6}.quick-grid button>span{display:grid;place-items:center;width:34px;height:34px;background:#ece2f7;color:#a17cbd;border-radius:9px;margin-bottom:13px}.quick-grid button>b,.quick-grid button>small{display:block}.quick-grid button>b{font-size:11px;color:#795e8c;font-weight:600}.quick-grid button>small{font-size:9px;color:#9e86b0;margin-top:6px}.quick-grid button>.ui-icon{position:absolute;right:15px;top:16px;color:#b19ac1;width:16px;height:16px}
.teacher-workspace-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:6px 0 20px}.teacher-workspace-head h2{font-size:23px;margin:7px 0}.teacher-workspace-head p{margin:0;font-size:11px;color:#8b729b;max-width:530px}.teacher-head-actions{display:flex;gap:8px}.teacher-profile-strip{display:flex;align-items:center;gap:16px;background:#eee8f8;border:1px solid #e5dcf0;border-radius:12px;padding:20px 23px;margin-bottom:20px}.teacher-avatar{display:grid;place-items:center;width:45px;height:45px;border-radius:12px;background:#ded1ed;color:#9471ad}.teacher-avatar .ui-icon{width:24px;height:24px}.teacher-profile-strip b,.teacher-profile-strip small{display:block}.teacher-profile-strip b{font-size:12px;color:#775c8c;font-weight:600}.teacher-profile-strip small{font-size:9px;color:#9678aa;margin-top:4px}.teacher-strip-divider{height:30px;border-left:1px solid #d8c8e4;margin:0 12px}.teacher-strip-stat{flex:1}.teacher-strip-stat b{font-size:18px}.teacher-online{font-size:8px;color:#9070a5;display:flex;align-items:center;gap:5px;margin-left:auto}.teacher-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:23px}.teacher-metrics>div{position:relative;border:1px solid var(--line);border-radius:11px;padding:20px;background:white}.metric-icon{position:absolute;right:17px;top:18px;width:31px;height:31px;display:grid;place-items:center;border-radius:8px}.metric-icon.purple{background:#f0e9f8;color:#ae8ec5}.metric-icon.green{background:#eaf4ee;color:#85af95}.metric-icon.orange{background:#faf0e4;color:#c5a371}.metric-icon.blue{background:#eaf0f9;color:#91a8c9}.teacher-metrics b{font-size:28px;font-weight:600;line-height:1.4;display:block}.teacher-metrics small{font-size:10px;color:#8c709d;display:block}.teacher-metrics em{display:block;margin-top:12px;font-size:8px;color:#9d84ac;font-style:normal}.teacher-grid-new{display:grid;grid-template-columns:minmax(0,1fr);gap:23px;margin-bottom:23px}.table-tools{display:flex;gap:3px;background:#f8f4fc;padding:3px;border-radius:6px}.filter-chip{border:0;border-radius:4px;background:none;color:#9879ac;font-size:9px;padding:6px 10px}.filter-chip.active{background:#fff;color:#8e6fa8;box-shadow:0 1px 3px #7e4ba30a}.modern-table{overflow:auto}.modern-table table{width:100%;border-collapse:collapse;min-width:650px}.modern-table th{font-size:8px;letter-spacing:.5px;font-weight:500;color:#9e88ac;background:#faf7fd;padding:11px 10px;text-align:left;border-bottom:1px solid #f0e9f7}.modern-table td{padding:15px 10px;border-bottom:1px solid #f5eef9;font-size:11px}.student-cell{display:flex;align-items:center;gap:10px}.student-cell b,.student-cell small{display:block}.student-cell b{font-size:10px;color:#8b709d;font-weight:550}.student-cell small{font-size:8px;color:#a084b1;margin-top:3px}.student-avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#f1e3ef;color:#a2719a;font-size:9px;font-weight:600;flex-shrink:0}.task-name{font-size:10px;font-weight:550;color:#8b699f;max-width:180px;display:block}.task-name .ui-icon{width:12px;height:12px}.cell-muted{font-size:8px;color:#a084b1;display:block;margin-top:4px}.progress-cell{display:flex;align-items:center;gap:7px}.progress-cell>div{width:55px;height:4px;background:#eee7f5;border-radius:4px}.progress-cell span{display:block;height:100%;border-radius:4px;background:#b49bcd}.progress-cell b{font-size:8px;color:#9472ab;font-weight:400}.status-pill{display:inline-flex;padding:5px 8px;border-radius:5px;font-size:9px;white-space:nowrap}.status-pill.submitted{background:#eaf4ef;color:#50745f}.status-pill.draft{background:#f2edf8;color:#806a94}.table-action{border:0;background:none;color:#9471aa;display:inline-flex;align-items:center;gap:5px;font-size:9px;padding:6px;white-space:nowrap}.table-action .ui-icon{width:12px;height:12px}.table-empty{padding:32px 15px;text-align:center;display:flex;flex-direction:column;align-items:center;color:#9477a8;gap:8px}.table-empty>.ui-icon{width:30px;height:30px;stroke-width:1.3;color:#b49bc7}.table-empty b{font-size:12px;font-weight:550}.table-empty span{font-size:10px}.create-badge{font-size:8px;letter-spacing:.5px;color:#9d7fb2;background:#f3edf9;padding:5px 7px;border-radius:5px}.create-card form{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.create-card form>.field-label,.create-card form>.text-field,.create-card form>.compact-field,.create-footer{grid-column:1/-1}.create-two-col{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:20px}.compact-field{min-height:95px}.create-footer{margin-top:18px;display:flex;justify-content:space-between;align-items:center;gap:12px}.create-footer>span{font-size:9px;color:#967baa;display:flex;align-items:center;gap:5px}.create-footer .ui-icon{width:13px;height:13px}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.resource-item{display:flex;align-items:center;gap:13px;padding:14px;border:1px solid #eee7f4;border-radius:9px}.resource-item>div:nth-child(2){flex:1;min-width:0}.resource-item b{font-size:10px;line-height:1.6;color:#846295;display:block;font-weight:550}.resource-item small{font-size:8px;color:#9e84af;display:block;margin-top:4px}.resource-item .icon-btn{width:28px;height:28px;background:none;border:0;color:#a084b1}.resource-item .ui-icon{width:15px;height:15px}.resource-art{display:grid;place-items:center;width:43px;height:46px;border-radius:8px;flex-shrink:0}.resource-art .ui-icon{width:22px;height:22px;stroke-width:1.4}.art-1{background:#f0e4f7;color:#b494c7}.art-2{background:#e9eef9;color:#99abd0}.art-3{background:#f7eddf;color:#c2a576}.art-4{background:#e5f0ec;color:#94b3a5}.class-row-modern,.content-row-modern,.account-row{display:flex;align-items:center;gap:13px;padding:16px 0;border-bottom:1px solid #f4edf8}.class-row-modern>div,.content-row-modern>div,.account-row>div{flex:1;min-width:0}.class-row-modern b,.content-row-modern b,.account-row b{display:block;font-size:11px;font-weight:550;color:#8c669f}.class-row-modern small,.content-row-modern small,.account-row small{display:block;font-size:9px;color:#a78bba;margin-top:4px}.class-color{display:grid;place-items:center;width:43px;height:43px;border-radius:10px;font-size:12px;font-weight:600;flex-shrink:0}.class-color.indigo{background:#ede4f8;color:#9876b2}.class-color.cyan{background:#e5f1f1;color:#71999c}.modern-add-form{margin-top:22px}.health-ring{width:55px;height:55px;border:5px solid #e9ddf4;border-top-color:#ad8dc8;border-right-color:#ad8dc8;border-radius:50%;display:grid;place-items:center;color:#8b66a5;font-size:12px;font-weight:600;flex-shrink:0}.quality-row{display:flex;justify-content:space-between;gap:10px;padding:17px 0;border-bottom:1px solid #f3ebf8;font-size:11px;color:#987dab}.quality-row b{font-weight:500;color:#9671af}.content-health-card p{font-size:10px;color:#9e7fb2;margin-top:20px}.activity-list-modern>div{display:flex;align-items:center;gap:17px;padding:20px 0;border-bottom:1px solid #f4ecfa}.activity-dot{width:8px;height:8px;flex-shrink:0;border-radius:50%;background:#a7a0d2;box-shadow:0 0 0 6px #f5f0fa}.activity-list-modern>div>div{flex:1}.activity-list-modern b{display:block;font-size:11px;color:#916aa6;font-weight:500}.activity-list-modern small{font-size:9px;color:#a88cba}.activity-tag{font-size:8px;color:#a081b4;background:#f8f1fd;border:1px solid #f1e6f8;padding:3px 7px;border-radius:5px}
/* Real text has quieter, neutral contrast; color is reserved for controls. */
.admin-page p,.teacher-workspace-head p,.create-footer>span,.resource-item small,.class-row-modern small,.content-row-modern small,.account-row small,.activity-list-modern small,.teacher-metrics em,.teacher-profile-strip small,.system-list span{color:#797183}.admin-page h2,.admin-page b,.quick-grid button>b,.resource-item b,.class-row-modern b,.content-row-modern b,.account-row b,.activity-list-modern b{color:#484052}.admin-page .eyebrow,.teacher-metrics small,.teacher-online,.admin-session-chip,.teacher-profile-strip b,.admin-kpi small,.admin-kpi em,.quality-row,.quality-row b,.content-health-card p{color:#7b7087}
/* Shared learning surfaces */
.page-header{margin-bottom:26px}.page-header h1{font-size:29px;margin-top:7px}.page-header p{font-size:12px;color:var(--muted)}.panel,.knowledge-card,.guide-card,.study-main{border:1px solid var(--line);border-radius:13px;background:#fff;box-shadow:none;padding:24px}.knowledge-grid{gap:18px}.knowledge-card .k-icon{background:#f0edf9;border-radius:11px;color:#8c7bb3}.knowledge-card .k-icon .ui-icon{width:25px;height:25px}.knowledge-card p{color:#857d92;line-height:1.9;font-size:12px}.pill{background:#eee9fa;color:var(--accent);font-size:10px;border-radius:6px}.material{padding:15px;border-radius:9px}.material-title{min-width:0}.material-title b{font-size:11px;font-weight:550}.material-icon{background:#f0edf9;color:#8c7bb3;flex-shrink:0}.material-list{margin-top:16px}.material small{color:#978ba2}.guide-card .guide-number{border-radius:8px;background:#eee9fa;color:var(--accent);font-size:13px}.guide-card .btn{justify-content:space-between;font-size:12px}.guide-card p,.guide-card li,.accordion-content{font-size:12px;color:#82798f;line-height:1.9}.mini-step{background:#f6f3fc;border-radius:8px;color:#877c99}.mini-step b{background:#ede6f8;color:var(--accent)}.mini-step.active{background:#f0eafb;color:var(--accent)}.mini-step.active b{background:#dcd2f3;color:var(--accent)}.journey-table{border-radius:13px;border-color:var(--line)}.journey-table th{background:#f9f8fc;color:#94869f;font-size:9px}.journey-table td{border-color:#f2eff6;font-size:11px}.journey-table .ghost-btn{border:0;background:none;text-align:left;font-size:11px;color:#746689;display:flex;align-items:center;gap:7px}.status.done{background:#ebf4ef;color:#56846d}.status.doing{background:#fbf2e3;color:#aa8651}.status.idle{background:#f0edf5;color:#8c779e}.teacher-banner{background:#2c2644;color:#fff;box-shadow:none}.teacher-banner p{color:#c4bad6}.teacher-banner .btn{color:var(--accent)}.study-top{margin-bottom:25px}.study-top h1{font-size:29px;line-height:1.4}.study-top .ghost-btn{font-size:10px;border:0;background:none;padding:0}.study-actions .btn{font-size:10px;padding:9px 13px}.stepper{background:#ede9f6;padding:6px;border-radius:12px;gap:4px;margin-bottom:23px}.step-button{font-size:10px;font-weight:550;color:#9a87ab;padding:13px 10px;border-radius:8px}.step-button.current{color:var(--accent);box-shadow:0 2px 5px #352d4e05}.step-button.complete{color:#8773ab}.step-button span{margin-bottom:9px}.study-grid{grid-template-columns:minmax(0,1fr) 285px;gap:20px}.study-main{padding:25px}.study-main>h2{font-size:19px}.study-main>p{font-size:11px;color:#887597}.study-main>.field{min-height:130px}.question{border:0;border-left:2px solid #b7a6d7;background:#f7f4fb;color:#766883;border-radius:0 8px 8px 0;padding:16px;line-height:1.9;font-size:12px}.sourcebox{background:#faf8fe;border:1px solid #e5def1;border-radius:9px;color:#7c6e8c}.sourcebox h3{color:#796191;font-size:12px}.sourcebox p{font-size:11px;color:#8d7c9b}.hint-box{background:#faf8fe;color:#877497;border-color:#cfbde1}.chat-panel{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none;padding:20px;border-radius:13px}.chat-head{border-color:var(--line)}.chat-panel h3{font-size:12px}.bot-avatar{background:#eae4f6;color:var(--accent);width:34px;height:34px;border-radius:9px}.chat-state{color:#9983aa;font-size:8px}.chat-panel small{color:#9480a2;font-size:8px}.chat-hint{color:#8a739c;font-size:10px;line-height:1.9}.chat-panel .field-label{color:#8d7f9d;font-size:10px}.chat-panel .field{background:#faf8fd;color:var(--ink);border-color:#e8e0f0;font-size:11px}.chat-panel .btn{background:var(--accent);color:#fff;border:0;font-size:10px}.chat-panel .btn.secondary{background:#f0ebf8;color:var(--accent);border:0}.chat-panel .limit{font-size:9px;color:#9780a8}.quick-actions button{background:#f7f3fc;color:#9a85ae;border:1px solid #ece3f4;font-size:9px}.chat-msg,.chat-msg.user{background:#f6f1fb;color:#8e799e;font-size:10px}.chat-msg.user{border-left:2px solid #baa3d1}.simulation-card{background:#faf9fe;border-color:#e5e0f1;box-shadow:none;border-radius:11px;padding:19px}.sim-head b{font-size:12px}.sim-kicker{color:var(--accent);font-size:9px}.sim-live{color:#9474a9;font-size:8px}.simulation-card p{color:#8d769f;font-size:10px}.sim-result>div,.sim-stage,.sim-stage-note,.sim-choice,.rubric,.scenario-option,.evidence-item{border-color:#e9e1f0;background:#fff;color:#8e799e}.sim-result strong{font-size:20px;color:var(--accent)}.sim-controls label,.sim-wide{color:#8a7799}.sim-stage.active,.rubric.on,.evidence-item.checked,.sim-choice.active,.scenario-option.correct{background:#eee5f7;border-color:#cbb6de;color:#82599e}.sim-meter,.sim-progress{background:#eee8f6;height:5px}.sim-meter span,.sim-progress span{background:var(--accent)}.sim-note-box{color:#896c9c;background:#f0eaf8}.gemini-box{border:1px solid #e3dced;background:#faf8fe;border-radius:10px}.gemini-box summary{font-size:11px;font-weight:550;padding:15px}.gemini-box>p{color:#8f73a3;font-size:10px}.prompt-pre{border-color:#ebe3f3;font-size:10px;background:white}.prompt-actions .btn{font-size:10px}.modal-backdrop{background:#1e183e60;backdrop-filter:blur(5px)}.modal{border-radius:16px;max-height:90vh;overflow:auto;box-shadow:0 25px 80px #1c123626}.modal .close-x{color:#8e7ba0;background:#f4eef9}.modal h2{font-size:22px}.modal .modal-actions{flex-wrap:wrap}.toast,.toast.ok{background:#393050;border-radius:10px;font-size:11px}.toast.warn{background:#977442}
/* Matching student and administration entry screens */
.welcome-screen{max-width:1440px;min-height:100vh;margin:auto;display:grid;grid-template-columns:1.15fr 1fr;background:#fff}.welcome-story{background:#27243f;color:#f3eefa;padding:40px 56px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.welcome-brand{display:flex;align-items:center;gap:12px}.welcome-brand .brand-mark{background:#635385}.welcome-brand b{font-size:16px;font-weight:550;letter-spacing:-.5px}.welcome-intro{padding:50px 0 30px}.welcome-intro .eyebrow{color:#a99cbd;font-size:9px}.welcome-intro h1{font-size:43px;font-weight:600;color:#fff;margin:20px 0 17px;line-height:1.4;letter-spacing:-1.6px}.welcome-intro h1 em{color:#c7b2e2;font-style:normal}.welcome-intro p{color:#b6acc8;max-width:370px;font-size:13px;line-height:1.9}.welcome-intro .science-art{margin:25px auto 0;transform:scale(1.1)}.welcome-footer{display:flex;gap:25px;color:#b4a8c8;font-size:10px}.welcome-footer>span{display:flex;align-items:center;gap:7px}.welcome-footer .ui-icon{width:14px;height:14px}.welcome-form{padding:40px 58px 30px;display:flex;flex-direction:column;justify-content:space-between}.welcome-form-top{font-size:9px;letter-spacing:1.5px;color:#9783a6;display:flex;justify-content:space-between}.welcome-form-top span{letter-spacing:1px;color:#a78ab9}.welcome-form-body{max-width:350px;width:100%;align-self:center;padding:40px 0}.login-symbol{display:grid;place-items:center;width:44px;height:44px;background:#f0e8f8;border-radius:13px;color:#a385bb;margin-bottom:23px}.welcome-form h2{font-size:27px;margin-bottom:9px}.welcome-form-body>p{font-size:12px;color:#8e769f;margin-bottom:25px}.welcome-submit{width:100%;margin-top:20px}.demo-text{border:0;background:none;width:100%;font-size:10px;color:#9570ad;margin-top:10px}.auth-divider{display:flex;align-items:center;gap:10px;font-size:9px;color:#aa8cbd;margin-top:18px}.auth-divider:before,.auth-divider:after{content:'';flex:1;height:1px;background:#f0e4f8}.welcome-form .form-footnote{font-size:9px;text-align:center;margin:16px 0 0;color:#9c7daf}.admin-entry-link{color:#9974b0;font-size:10px;gap:7px;border-color:#f1e6fa}.input-with-icon>.ui-icon{color:#a78aba}.admin-auth-page{min-height:calc(100vh - 80px);padding:35px}.admin-auth-shell{border-radius:18px;border:1px solid #e7dfef;box-shadow:0 20px 70px #55396609;min-height:620px;max-width:1040px;grid-template-columns:1fr 1fr}.admin-auth-visual{background:#29243e;padding:43px;color:#fff}.admin-auth-visual h1{font-size:36px;line-height:1.4;color:white;margin-top:20px}.admin-auth-visual>p{color:#bba9c9;font-size:12px}.admin-auth-visual .eyebrow{color:#bfa8cf;font-size:8px}.admin-auth-symbol{position:relative;top:auto;right:auto;margin:6px 0 30px;width:66px;height:66px;border-radius:18px;transform:none;background:#6d547d33;color:#c3a6d8;border-color:#b191cc33}.admin-auth-symbol .ui-icon{width:33px;height:33px;stroke-width:1.3}.admin-orbit{display:none}.admin-auth-visual:after{border-color:#c5a4d51f;box-shadow:0 0 0 35px #c5a4d508,0 0 0 70px #c5a4d504;bottom:-250px}.admin-auth-points{position:relative;left:auto;bottom:auto;margin-top:35px;font-size:11px;color:#c2aed3}.admin-auth-points .ui-icon{color:#cbb4dc}.admin-auth-card{padding:42px;justify-content:center}.admin-auth-logo{background:var(--accent);box-shadow:none}.admin-auth-brand b{color:#7b5d91}.admin-auth-brand small{color:#a183b5}.admin-auth-brand{margin-bottom:35px}.admin-auth-card h2{font-size:25px}.admin-auth-card .eyebrow{font-size:9px}.admin-auth-subtitle{color:#9879ad;font-size:11px}.admin-login-meta{font-size:8px;color:#a481bd}.admin-login-meta>span{color:#9274a7}.admin-demo-fill{font-size:9px;color:#9771ad;text-align:center;width:100%}.admin-auth-foot{color:#a483ba;border-color:#f1e5fa}.admin-auth-foot span:first-child{color:#9c7ab1}.admin-back-link{color:#9970b3;font-size:9px}.admin-login-button{font-size:11px}
@media(min-width:1450px){.main{padding-left:52px;padding-right:52px}.teacher-grid-new{grid-template-columns:minmax(0,1.4fr) minmax(320px,1fr)}.create-card form{display:block}.create-two-col{gap:12px}.create-footer{flex-direction:column;align-items:stretch}}
@media(max-width:1200px){.main{padding-left:25px;padding-right:25px}.admin-kpi-grid{grid-template-columns:repeat(2,1fr)}.study-grid{grid-template-columns:1fr}.chat-panel{position:static}.task-grid{grid-template-columns:repeat(2,1fr)}.explore-hero{grid-template-columns:1.2fr 1fr;padding:30px}.explore-hero h2{font-size:28px}.explore-hero .science-art{transform:scale(.85);width:260px}.learning-strip>div,.learning-strip>button{padding:0 13px;gap:8px}.learning-strip span>small{font-size:8px}.admin-overview-grid{grid-template-columns:1fr}.teacher-workspace-head{align-items:flex-start;flex-direction:column}.teacher-profile-strip{flex-wrap:wrap}.teacher-online{display:none}}
@media(max-width:900px){.sidebar{width:205px;padding:24px 12px 16px}.brand strong{font-size:12px}.brand small{font-size:6px}.brand-mark{width:33px;height:33px}.nav-button{font-size:10px;padding:12px 9px}.main{margin-left:205px;padding:0 23px 35px}.explore-heading h1{font-size:25px}.explore-heading .date-chip{display:none}.explore-hero{grid-template-columns:1fr;min-height:0}.explore-hero .science-art{display:none}.learning-strip{grid-template-columns:repeat(2,1fr);row-gap:18px}.learning-strip>div:nth-child(2){border:0}.admin-hero-new{align-items:flex-start;flex-direction:column}.admin-hero-actions{flex-direction:row;align-items:center;width:100%;justify-content:space-between}.teacher-metrics{grid-template-columns:repeat(2,1fr)}.teacher-strip-divider{display:none}.teacher-profile-strip .teacher-strip-stat{min-width:70px}.teacher-profile-strip>div:nth-child(2){flex:1}.quick-grid{grid-template-columns:1fr}.quick-grid button{padding-left:66px;min-height:80px}.quick-grid button>span{position:absolute;left:16px;top:22px}.quick-grid button>small{max-width:80%}.resource-grid{grid-template-columns:1fr}.welcome-screen{grid-template-columns:.9fr 1fr}.welcome-story{padding:30px}.welcome-intro h1{font-size:34px}.welcome-form{padding:32px}.welcome-footer{gap:12px}.welcome-footer>span{font-size:8px}.admin-auth-shell{grid-template-columns:1fr}.admin-auth-visual{min-height:0;padding:30px}.admin-auth-visual h1{font-size:28px}.admin-auth-points{display:flex;flex-wrap:wrap;gap:13px;margin-top:20px}.admin-auth-symbol{display:none}.admin-auth-card{padding:35px}.admin-auth-brand{display:none}.admin-back-link{margin:0 0 24px}.admin-auth-page{padding:20px}.path-steps{gap:8px}.path-steps span{flex-direction:column;align-items:flex-start;font-size:9px}}
@media(min-width:701px) and (max-width:820px){.sidebar{position:fixed;height:100vh}.sidebar-note{display:block}.topbar .crumb{display:flex}.nav-button{justify-content:flex-start}.sidebar-profile{display:flex}}
@media(max-width:700px){.sidebar{position:static;width:100%;padding:18px 18px 0;border:0;border-bottom:1px solid var(--line);background:white}.brand{padding:0}.brand strong{font-size:14px}.brand small{font-size:7px}.nav-caption,.sidebar-note,.sidebar-profile,.nav-divider{display:none}.nav{display:flex;flex-direction:row;gap:6px;overflow-x:auto;margin-top:17px;padding-bottom:11px}.nav-button{padding:8px 11px;border-radius:8px;flex-shrink:0;font-size:10px;gap:7px;min-height:37px}.nav-button>span.nav-label{display:inline;font-size:10px}.nav-button .ui-icon{width:15px;height:15px}.nav-button em{display:none}.main{margin:0;padding:0 18px 30px}.topbar{min-height:58px}.topbar .crumb{display:flex;font-size:9px;gap:5px}.crumb b{max-width:160px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.crumb .ui-icon{width:10px}.topbar-tools{gap:12px}.workspace-status{display:none}.topbar .ghost-btn 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