@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');
:root{--ink:#172033;--muted:#758096;--line:#e7eaf1;--paper:#fff;--bg:#f5f6fa;--brand:#6757e8;--brand-dark:#4f42c9;--green:#16a66a;--red:#df5263;--shadow:0 12px 35px rgba(36,42,73,.07)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif}h1,h2,h3,strong{font-family:'Manrope',system-ui,sans-serif}a{color:var(--brand);text-decoration:none}button,input,select{font:inherit}.app-shell{min-height:100vh}.side{position:fixed;inset:0 auto 0 0;width:248px;padding:27px 18px 20px;background:#171a2f;color:#fff;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:12px;color:#fff;font:800 19px Manrope;margin:0 10px 38px}.brand small{display:block;color:#8e96ad;font:600 10px DM Sans;letter-spacing:.14em;text-transform:uppercase}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(145deg,#897bff,#5d4bd7);box-shadow:0 7px 20px #6959ea55;color:#fff}.side nav{display:grid;gap:7px}.side nav a{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:10px;color:#9da5bb;font-weight:600}.side nav a:hover,.side nav a.active{background:#282b46;color:#fff}.nav-icon{width:24px;height:24px;border:1px solid #434761;border-radius:7px;display:grid;place-items:center;font-size:10px}.side nav a.active .nav-icon{background:var(--brand);border-color:var(--brand)}.side-bottom{margin-top:auto;border-top:1px solid #2d314a;padding:18px 8px 0}.mini-profile{display:flex;gap:10px;align-items:center}.mini-profile span:last-child{min-width:0}.mini-profile strong,.mini-profile small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-profile strong{font-size:13px}.mini-profile small{color:#929ab1;font-size:11px}.avatar{width:34px;height:34px;flex:none;border-radius:10px;background:#6557e8;color:white;display:grid;place-items:center;font-weight:800;font-size:12px}.logout{display:block;color:#9da5bb;font-size:12px;margin-top:15px}.app-shell main{margin-left:248px;min-height:100vh}.topbar{height:91px;background:#fff;border-bottom:1px solid var(--line);padding:17px 38px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}.topbar small,.eyebrow,.card-head small,.time-hero small{color:#8b94a7;font-size:10px;font-weight:700;letter-spacing:.13em}.topbar h1{font-size:22px;margin:3px 0}.live{font-size:12px;color:#677087;border:1px solid var(--line);padding:8px 12px;border-radius:20px}.live i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#20b977;margin-right:6px}.mobile-menu{display:none}.content{padding:30px 38px 60px;max-width:1500px;margin:auto}.hero{background:linear-gradient(120deg,#6557e8,#7867f0);color:white;border-radius:20px;padding:29px 32px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 16px 35px #6757e82a}.hero .eyebrow{color:#d8d3ff}.hero h2{font-size:28px;margin:8px 0 4px}.hero p{margin:0;color:#ddd9ff}.btn{border:0;border-radius:10px;padding:11px 16px;font-weight:700;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:14px}.btn.primary{background:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand-dark)}.btn.light{background:#fff;color:var(--brand)}.btn.secondary{background:#f0eefd;color:var(--brand)}.btn.ghost{background:#fff;border:1px solid var(--line);color:#586177}.btn.danger{background:var(--red);color:#fff}.wide{width:100%}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.metric-grid.two{grid-template-columns:repeat(2,1fr)}.metric,.card{background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}.metric{padding:21px;display:flex;align-items:center;gap:16px}.metric-icon{width:43px;height:43px;border-radius:12px;display:grid;place-items:center;font-weight:800}.metric-icon.violet{background:#eeeafd;color:#6557e8}.metric-icon.blue{background:#e8f3ff;color:#3987da}.metric-icon.green{background:#e6f7ef;color:#159967}.metric-icon.orange{background:#fff0e4;color:#e78031}.metric div>*{display:block}.metric small{color:var(--muted)}.metric strong{font-size:25px;margin:2px 0}.metric em{font-size:10px;color:#9aa2b3;font-style:normal}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.stack{display:grid;gap:20px}.card{padding:23px}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.card-head h3{margin:4px 0 0;font-size:17px}.card-head>a{font-size:12px;font-weight:700}.person-list{display:grid}.person{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:center;padding:12px 0;border-top:1px solid #f0f1f5}.person:first-child{border:0}.person div strong,.person div small{display:block}.person div strong{font-size:13px}.person div small,.person time{font-size:11px;color:var(--muted)}.person.compact{display:flex;padding:0;border:0}.avatar.soft{background:#eeecfb;color:#6557e8}.badge{font-size:10px;font-weight:700;padding:5px 8px;border-radius:20px;background:#eef0f5;color:#667085}.badge.teacher{background:#e7f4ff;color:#3181c7}.badge.student{background:#ebf7ee;color:#258956}.badge.admin{background:#eeeafd;color:#6557e8}.quick{text-align:center}.big-time{font-size:32px}.quick p{color:var(--muted);font-size:12px}.quick-links{display:grid;gap:8px}.quick-links a{padding:11px 12px;border-radius:9px;background:#f7f7fb;font-size:12px;font-weight:700}.pulse{margin-top:20px;display:flex;justify-content:space-between;align-items:end}.pulse h3{margin:5px 0}.pulse p{color:var(--muted);font-size:12px}.bars{height:70px;width:38%;display:flex;gap:7px;align-items:end}.bars i{flex:1;border-radius:4px 4px 0 0;background:#bdb6fa}.notice{padding:13px 16px;border-radius:10px;margin:18px 0;font-size:13px}.notice.success{background:#e7f8ef;color:#14764e}.notice.error{background:#fdebed;color:#a83544}.notice.warning{background:#fff5df;color:#90661b}.page-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.page-actions h2{margin:0 0 5px}.page-actions p{margin:0;color:var(--muted)}.filters{display:grid;grid-template-columns:1fr 210px auto;gap:10px;margin-bottom:18px}.filters input,.filters select,input,select{border:1px solid #dfe3ec;background:#fff;border-radius:9px;padding:11px 12px;color:var(--ink)}.table-card{padding:0;overflow:hidden}.table-card .card-head{padding:22px 23px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th{text-align:left;color:#8a93a7;text-transform:uppercase;letter-spacing:.08em;font-size:9px;padding:12px 18px;background:#fafafd}td{padding:14px 18px;border-top:1px solid #eef0f4;color:#596276}.status-dot{font-size:11px;font-weight:700}.status-dot:before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:6px}.status-dot.ok:before{background:#1db477}.status-dot.wait:before{background:#e5a343}.employee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.employee-top{display:flex;justify-content:space-between}.avatar.large{width:52px;height:52px;border-radius:15px;font-size:16px}.employee h3{margin:14px 0 2px}.employee>p{margin:0;color:var(--muted);font-size:13px}.employee dl{margin:20px 0}.employee dl div{padding:9px 0;border-top:1px solid #f0f1f5}.employee dt{font-size:10px;color:var(--muted)}.employee dd{margin:3px 0 0;font-size:12px}.self-label{display:block;text-align:center;color:var(--muted);font-size:11px}.time-hero{display:flex;justify-content:space-between;align-items:end;background:linear-gradient(140deg,#191c32,#292d49);color:white}.time-hero h2{margin:6px 0}.time-hero p{color:#aeb5ca}.inline-form{display:flex;gap:10px;align-items:end}.inline-form label{font-size:10px;color:#aeb5ca}.inline-form label input{display:block;width:100px;margin-top:4px}.priority{font-size:10px;font-weight:700;border-radius:12px;padding:4px 7px;background:#eef0f4}.priority.urgent,.priority.high{background:#fdebed;color:#bd3c4d}.status-form select{padding:7px}.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.check{display:flex;align-items:center;gap:14px}.check h3,.check p{margin:0}.check p{color:var(--muted);font-size:12px}.check-light{width:12px;height:12px;border-radius:50%;background:#e6a23c;box-shadow:0 0 0 6px #fff2db}.check-light.online{background:#1caf72;box-shadow:0 0 0 6px #e3f6ed}.empty{text-align:center;padding:30px;color:var(--muted)}dialog{border:0;border-radius:18px;padding:0;width:min(560px,calc(100% - 30px));box-shadow:0 28px 90px #15182f40}dialog::backdrop{background:#11142699;backdrop-filter:blur(4px)}.modal-form{padding:26px}.modal-head{display:flex;justify-content:space-between}.modal-head h2{margin:5px 0 20px}.close-modal{border:0;background:none;font-size:27px;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}.form-grid label,.form-stack label{font-size:12px;font-weight:700}.form-grid input,.form-stack input{display:block;width:100%;margin-top:6px}.form-grid .full{grid-column:1/-1}.form-grid small{display:block;color:var(--muted);margin-top:4px}.login-page{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:#fff}.login-art{margin:18px;border-radius:22px;background:linear-gradient(145deg,#1c2039dd,#42379cdd),url('../../frontend/wallpaper.png') center/cover;display:flex;align-items:end;padding:7vw;color:#fff;overflow:hidden}.login-copy h1{font-size:clamp(40px,5vw,69px);line-height:1.04;margin:18px 0}.login-copy p{color:#d1d5e4;font-size:17px}.login-badge{padding:8px 12px;border:1px solid #ffffff45;border-radius:20px;font-size:10px;letter-spacing:.15em}.login-proof{display:flex;gap:20px;margin-top:40px;color:#dfe2ed;font-size:12px}.login-panel{display:grid;place-items:center;padding:35px}.login-box{width:min(390px,100%)}.brand.dark{color:var(--ink);margin:0 0 70px}.login-heading small{font-weight:800;letter-spacing:.15em;color:var(--brand)}.login-heading h2{font-size:30px;margin:10px 0 4px}.login-heading p,.login-help{color:var(--muted)}.form-stack{display:grid;gap:17px;margin-top:28px}.form-stack input{padding:14px}.login-help{text-align:center;font-size:11px;margin-top:22px}
@media(max-width:1050px){.metric-grid{grid-template-columns:repeat(2,1fr)}.employee-grid{grid-template-columns:repeat(2,1fr)}.login-page{grid-template-columns:1fr}.login-art{display:none}}
@media(max-width:760px){.side{transform:translateX(-100%);transition:.2s}.menu-open .side{transform:none}.app-shell main{margin:0}.mobile-menu{display:block;border:0;background:none;font-size:22px}.topbar{padding:15px 18px}.content{padding:20px 15px}.dashboard-grid{grid-template-columns:1fr}.metric-grid,.metric-grid.two,.employee-grid,.check-grid{grid-template-columns:1fr}.hero,.page-actions,.time-hero{align-items:flex-start;flex-direction:column;gap:18px}.filters{grid-template-columns:1fr}.inline-form{width:100%;flex-wrap:wrap}.pulse{display:block}.bars{width:100%;margin-top:20px}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.login-proof{flex-direction:column;gap:8px}.login-panel{padding:28px 20px}.brand.dark{margin-bottom:55px}}
.login-art{background-image:radial-gradient(circle at 20% 15%,#7669ec 0,transparent 28%),radial-gradient(circle at 82% 72%,#3e9cb5 0,transparent 23%),linear-gradient(145deg,#1c2039,#42379c)}.ticket-description{display:block;max-width:480px;margin-top:5px;color:var(--muted);font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* StudyGrid visual language: quiet white surfaces, familiar blue, compact hierarchy. */
:root{--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--paper:#fff;--bg:#f9fafb;--brand:#2563eb;--brand-dark:#1d4ed8;--green:#10b981;--red:#ef4444;--shadow:0 1px 3px rgba(0,0,0,.08)}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.side{width:264px;background:#fff;color:var(--ink);border-right:1px solid var(--line);padding:28px 20px;box-shadow:none}.brand,.brand.dark{color:var(--ink)}.brand-mark{background:#2563eb;border-radius:8px;box-shadow:none}.brand small{color:#9ca3af}.side nav a{color:#4b5563;border-radius:8px}.side nav a:hover,.side nav a.active{background:#eff6ff;color:#1d4ed8}.side nav a.active .nav-icon{background:#2563eb;border-color:#2563eb;color:#fff}.nav-icon{border-color:#e5e7eb}.side-bottom{border-color:#e5e7eb}.mini-profile strong{color:#111827}.logout{color:#6b7280}.app-shell main{margin-left:264px}.topbar{height:82px;padding:15px 32px}.content{padding:30px 32px}.card,.metric{border-radius:10px;box-shadow:var(--shadow)}.hero{background:#fff;color:#111827;border:1px solid #e5e7eb;border-radius:10px;box-shadow:var(--shadow);padding:28px}.hero .eyebrow{color:#2563eb}.hero p{color:#6b7280}.hero .btn.light{background:#2563eb;color:#fff}.metric-icon{border-radius:8px}.metric-icon.violet,.metric-icon.blue{background:#eff6ff;color:#2563eb}.btn{border-radius:8px}.btn.secondary{background:#eff6ff;color:#1d4ed8}.badge.admin{background:#eff6ff;color:#1d4ed8}.avatar,.avatar.soft{background:#dbeafe;color:#1d4ed8;border-radius:8px}.time-hero{background:#fff;color:#111827}.time-hero p,.time-hero small,.inline-form label{color:#6b7280}.login-page{background:#f9fafb}.login-art{background:#eff6ff;margin:0;border-radius:0;color:#111827;position:relative}.login-art:before{content:"";position:absolute;inset:10%;background:linear-gradient(#2563eb12 1px,transparent 1px),linear-gradient(90deg,#2563eb12 1px,transparent 1px);background-size:34px 34px;border-radius:30px}.login-copy{position:relative;z-index:1}.login-copy p{color:#4b5563}.login-badge{border-color:#bfdbfe;background:#fff;color:#1d4ed8}.login-proof{color:#374151}.login-panel{background:#fff}.error-page{min-height:100vh;display:grid;place-items:center;padding:24px}.error-card{width:min(480px,100%);background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:36px;box-shadow:var(--shadow);display:grid;gap:15px}.error-card h1,.error-card p{margin:0}.error-card code{background:#f3f4f6;padding:10px;border-radius:6px}.error-card .btn{width:max-content}@media(max-width:760px){.app-shell main{margin-left:0}.side{width:264px;box-shadow:8px 0 30px #11182718}}