:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#0f172a;background:#f5f7fb;--navy:#0f1f33;--navy2:#162b47;--navy3:#203957;--blue:#2f6fe4;--blue-soft:#eaf1ff;--line:#dfe6ef;--muted:#6b7c92;--green:#168a58;--red:#d92d20;--amber:#d97706}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{background:#f5f7fb}button,input,select,textarea{font:inherit}.hidden{display:none!important}.muted{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:#6f83a0}.card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 2px rgba(15,23,42,.02)}.btn{border:1px solid transparent;border-radius:8px;padding:11px 16px;font-weight:750;cursor:pointer;transition:.18s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--blue);color:#fff}.btn-ghost{background:#fff;border-color:#d7e0ea;color:#17304f}.btn-danger{background:#fff;border-color:#fecaca;color:#c62828}.btn-small{padding:8px 11px;font-size:12px}.error,.success{border-radius:8px;padding:12px 14px;margin:12px 0;font-size:14px}.error{background:#fff2f0;color:#b42318;border:1px solid #ffd1cc}.success{background:#effcf5;color:#087443;border:1px solid #b7ebcf}.field{display:grid;gap:7px}.field label{font-size:13px;font-weight:750;color:#334155}.field input,.field select,.field textarea,.control{width:100%;padding:12px 13px;background:#fff;border:1px solid #cfd9e5;border-radius:8px;outline:none;color:#172033}.field input:focus,.field select:focus,.field textarea:focus,.control:focus{border-color:#7ea7f7;box-shadow:0 0 0 3px rgba(47,111,228,.09)}
.login{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}.login-brand{background:linear-gradient(145deg,#173253,#0d1d31);color:#fff;display:flex;align-items:center;justify-content:center;padding:70px}.brand-wrap{width:min(520px,100%)}.brand-logo{width:76px;height:76px;border:1px solid #637b9c;border-radius:15px;display:grid;place-items:center;font-size:22px;font-weight:900;margin-bottom:56px}.login-brand .eyebrow{color:#76a7ff}.brand-title{font-size:76px;font-weight:300;line-height:1.06;margin-top:36px}.login-pane{display:grid;place-items:center;padding:42px;background:#f5f7fb}.login-card{width:min(535px,100%);padding:46px}.login-card h1{font-size:34px;font-weight:500;margin:27px 0 10px}.login-card .field{margin-top:18px}.login-card .btn{margin-top:20px}
.shell{min-height:100vh;display:grid;grid-template-columns:260px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;background:var(--navy);color:#9fb4cc;padding:22px 18px 18px;display:flex;flex-direction:column}.side-logo{display:flex;gap:12px;align-items:center;color:#fff;padding:0 3px 25px;border-bottom:1px solid #293a4f}.logo-box{width:45px;height:45px;display:grid;place-items:center;background:#2c6bdd;color:#fff;border-radius:9px;font-weight:900;font-size:14px}.side-logo strong{display:block;font-size:15px}.side-logo small{display:block;color:#9db0c8;font-size:11px;margin-top:3px}.nav{display:grid;gap:6px;margin-top:26px}.nav button{border:0;background:transparent;color:#9fb4cc;text-align:left;padding:14px 15px;border-radius:8px;font-size:16px;cursor:pointer;display:flex;gap:12px;align-items:center}.nav button span:first-child{width:20px;text-align:center}.nav button:hover,.nav button.active{background:#223a59;color:#fff}.side-status{margin-top:auto;background:#162b44;border:1px solid #29425e;border-radius:10px;padding:14px;color:#fff;font-size:12px}.side-status .dot{color:#55d58d;margin-right:6px}.side-status .counts{margin-top:8px;color:#8da5c1;font-size:10px}.logout{margin-top:14px;padding:9px 7px;background:transparent;border:0;color:#9fb4cc;text-align:left;font-size:16px;cursor:pointer}.main{min-width:0}.topbar{height:94px;background:#fff;border-bottom:1px solid #dce3ec;display:flex;align-items:center;justify-content:space-between;padding:0 32px}.topbar h1{font-size:27px;font-weight:500;margin:5px 0 0}.user{display:flex;align-items:center;gap:10px}.avatar{width:42px;height:42px;border-radius:50%;background:#e8f0ff;color:#2663d4;display:grid;place-items:center;font-weight:900}.user b{font-size:13px}.user .handle{font-size:11px;color:#718096;margin-top:2px}.content{padding:28px 30px 50px;max-width:1600px;margin:0 auto;width:100%}
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:16px}.kpi{padding:18px 18px;display:flex;align-items:center;gap:14px;min-height:103px}.kpi-icon{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:21px;font-weight:800}.kpi-icon.green{background:#e6f6ee;color:#168a58}.kpi-icon.blue{background:#eaf1ff;color:#2f6fe4}.kpi-icon.amber{background:#fff1db;color:#d97706}.kpi-icon.purple{background:#f0ebff;color:#7056c8}.kpi-label{font-size:11px;color:#75859a;margin-bottom:2px}.kpi-value{font-size:28px;line-height:1;font-weight:700}.kpi-sub{font-size:10px;color:#718096;margin-top:7px}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(340px,.9fr);gap:16px}.dashboard-panel{padding:20px}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:15px}.panel-head h2{font-size:22px;font-weight:500;margin:4px 0}.link-btn{border:0;background:transparent;color:#1460ea;font-weight:700;cursor:pointer;font-size:12px}.user-activity{width:100%;border-collapse:collapse}.user-activity th,.user-activity td{padding:13px 10px;border-bottom:1px solid #e7edf3;font-size:12px;text-align:left}.user-activity th{font-size:10px;color:#75859a;text-transform:uppercase;letter-spacing:.08em}.person-name{font-weight:750;color:#111827}.person-handle{font-size:10px;color:#7b8da3;margin-top:3px}.role-pill,.status-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:750}.role-pill{background:#edf1f5;color:#65758a}.status-pill.active{background:#e8f7ef;color:#147a4c}.status-pill.off{background:#f3f4f6;color:#6b7280}.structure-list{display:grid;gap:11px}.structure-item{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:center}.structure-no{height:36px;border-radius:8px;background:#edf3ff;color:#2563d8;font-size:11px;font-weight:800;display:grid;place-items:center}.structure-title{font-size:12px;font-weight:750}.structure-meta{font-size:9px;color:#7b8da3;margin:3px 0 6px}.mini-bar{height:3px;background:#e5ebf3;border-radius:99px;overflow:hidden}.mini-bar i{display:block;height:100%;background:#2f6fe4}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}.quick-card{padding:18px;display:flex;align-items:center;gap:12px;cursor:pointer}.quick-icon{width:40px;height:40px;background:#eaf1ff;color:#2f6fe4;border-radius:9px;display:grid;place-items:center;font-weight:900}.quick-card b{font-size:12px}.quick-card small{display:block;color:#7b8da3;margin-top:3px}
.toolbar{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.search-wrap{display:flex;align-items:center;gap:10px;flex:1}.search-input{width:min(340px,100%);padding:12px 13px;border:1px solid #cfd9e5;border-radius:8px;outline:none}.found{font-size:10px;color:#708198}.table-card{overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:13px 12px;border-bottom:1px solid #e4eaf1;text-align:left;font-size:11px;vertical-align:middle}.data-table th{font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:#718096;background:#fff}.data-table tr:last-child td{border-bottom:0}.table-actions{display:flex;gap:6px}.icon-btn{width:30px;height:30px;border:1px solid #d8e0ea;background:#fff;border-radius:7px;display:grid;place-items:center;cursor:pointer;color:#52667e}.icon-btn.danger{color:#d23b3b}.progress-cell{min-width:105px}.progress-label{font-weight:750;font-size:11px}.progress-track{height:4px;background:#e5ebf3;border-radius:99px;margin-top:6px;overflow:hidden}.progress-track i{display:block;height:100%;background:#2f6fe4}
.banner{background:linear-gradient(100deg,#183a65,#0f2137);color:#fff;border-radius:11px;padding:27px 30px;margin-bottom:14px;position:relative;overflow:hidden}.banner .eyebrow{color:#8da7c9}.banner h2{font-size:27px;font-weight:500;margin:9px 0 5px}.banner p{font-size:12px;color:#d8e2ee;margin:0}.banner-mark{position:absolute;right:28px;top:50%;transform:translateY(-50%);font-size:36px;color:#77a7ff}.panel{padding:20px;margin-bottom:14px}.panel h2{font-size:22px;font-weight:500;margin:4px 0 17px}.upload-row{display:grid;grid-template-columns:minmax(300px,1.15fr) minmax(360px,1.2fr) 300px;gap:14px;align-items:end}.upload-zone{border:1px dashed #b7c6d8;border-radius:8px;padding:14px 15px;text-align:center;color:#42556c;cursor:pointer;min-height:61px;display:grid;place-items:center;font-size:11px;font-weight:700}.upload-zone small{display:block;font-size:9px;margin-top:5px}.upload-zone input{position:absolute;opacity:0;pointer-events:none}.upload-zone.has-file{border-color:#5c8ff0;background:#f4f8ff}.upload-btn{height:54px;font-size:16px}.progress{height:6px;background:#e5ebf3;border-radius:99px;overflow:hidden;margin-top:10px}.progress>i{display:block;height:100%;width:0;background:#2f6fe4;transition:width .2s}.empty{padding:34px;text-align:center;color:#718096;font-size:12px}
.course-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:16px}.course-list,.form-stack{padding:20px}.course-list h2,.form-stack h2{font-size:22px;font-weight:500;margin:4px 0 16px}.course-tree{display:grid;gap:10px}.course-row{border:1px solid #e1e7ef;border-radius:9px;padding:14px}.course-title{font-weight:800;font-size:13px}.module-row{margin-top:10px;padding:11px 12px;background:#f8fafc;border-radius:8px}.module-row b{font-size:12px}.lesson-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.lesson-chip{font-size:10px;border:1px solid #dbe3ed;background:#fff;border-radius:999px;padding:5px 8px}.form-block{border-top:1px solid #e6ebf1;padding-top:16px;margin-top:16px}.form-block:first-of-type{border-top:0;padding-top:0;margin-top:0}.form-block h3{font-size:13px;margin:0 0 10px}.form-grid{display:grid;gap:10px}.form-grid.cols{grid-template-columns:1fr 1fr}
.cards-toolbar{padding:15px 16px;margin-bottom:14px;display:grid;grid-template-columns:minmax(280px,460px) auto 1fr;gap:12px;align-items:end}.cards-toolbar .field{margin:0}.cards-toolbar .count{font-size:10px;color:#718096;padding-bottom:13px}.cards-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);gap:16px}.question-bank,.new-card{padding:20px}.question-bank h2,.new-card h2{font-size:22px;font-weight:500;margin:4px 0 16px}.question-list{border-top:1px solid #e6ebf1}.question-row{display:grid;grid-template-columns:32px 1fr 32px;gap:10px;align-items:center;padding:11px 8px;border-bottom:1px solid #e7edf3}.question-no{width:28px;height:28px;border-radius:7px;background:#edf3ff;color:#2866d8;display:grid;place-items:center;font-size:11px;font-weight:800}.question-text{font-size:11px;font-weight:700}.question-answer{font-size:9px;color:#718096;margin-top:4px}.option-field{display:grid;grid-template-columns:38px 1fr;gap:8px;align-items:center;margin-bottom:8px}.option-letter{height:38px;border-radius:6px;background:#eaf1ff;color:#2866d8;display:grid;place-items:center;font-size:12px;font-weight:900}.option-field input{height:38px;border:1px solid #cfd9e5;border-radius:7px;padding:0 11px}.card-meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.new-card textarea{min-height:103px;resize:vertical}.new-card .btn-primary{margin-top:14px;width:100%}
@media(max-width:1200px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid,.cards-layout,.course-layout{grid-template-columns:1fr}.upload-row{grid-template-columns:1fr 1fr}.upload-btn{grid-column:1/-1}.quick-grid{grid-template-columns:1fr}}@media(max-width:900px){.login{grid-template-columns:1fr}.login-brand{display:none}.shell{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.nav{grid-template-columns:repeat(2,1fr)}.topbar{height:auto;padding:18px}.content{padding:16px}.kpi-grid{grid-template-columns:1fr}.upload-row{grid-template-columns:1fr}.toolbar{align-items:stretch;flex-direction:column}.search-wrap{align-items:stretch;flex-direction:column}.search-input{width:100%}.cards-toolbar{grid-template-columns:1fr}.cards-toolbar .count{padding:0}.form-grid.cols,.card-meta-grid{grid-template-columns:1fr}}@media print{.sidebar,.topbar,.toolbar .btn,.table-actions{display:none!important}.shell{display:block}.content{padding:0}.card{box-shadow:none}}