:root{
  --bg:#08101f;--bg-soft:#0d1628;--card:#111d32;--card-2:#15243d;--line:#24344f;
  --text:#eef4ff;--muted:#91a0b8;--blue:#5ea2ff;--blue-2:#3478ff;--green:#5dd39e;--purple:#a78bfa;--amber:#f6c76b;--danger:#ff7d8b;
  --shadow:0 20px 60px rgba(0,0,0,.28);--radius:22px;--sidebar:258px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.is-hidden{display:none!important}button,input,select{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}
.login-screen{min-height:100vh;display:grid;place-items:center;padding:28px;position:relative;overflow:hidden;background:radial-gradient(circle at 20% 20%,#173461 0,transparent 34%),radial-gradient(circle at 80% 80%,#241b56 0,transparent 28%),#07101e}.login-orb{position:absolute;border-radius:999px;filter:blur(80px);opacity:.35}.orb-a{width:240px;height:240px;background:#397bff;left:-80px;top:8%}.orb-b{width:260px;height:260px;background:#7f5cff;right:-90px;bottom:6%}.login-card{width:min(100%,460px);background:rgba(12,21,38,.88);border:1px solid rgba(255,255,255,.08);border-radius:30px;padding:34px;box-shadow:var(--shadow);backdrop-filter:blur(20px);position:relative;z-index:1}.product-mark,.brand-mark{display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#7b61ff);color:white;font-weight:800;letter-spacing:-.04em;box-shadow:0 12px 30px rgba(52,120,255,.28)}.product-mark{width:58px;height:58px;border-radius:18px;margin-bottom:24px;font-size:1.08rem}.eyebrow,.section-kicker{font-size:.73rem;font-weight:800;letter-spacing:.15em;color:#78a9ff}.login-card h1{font-size:clamp(2rem,6vw,3rem);line-height:1.02;margin:8px 0 14px;letter-spacing:-.05em}.login-card h1 span{color:var(--blue)}.login-copy{color:var(--muted);line-height:1.65;margin:0}.demo-box{margin:24px 0;background:#0b1527;border:1px solid var(--line);border-radius:18px;padding:16px}.demo-box>span{font-size:.68rem;color:#7f91ab;letter-spacing:.14em;font-weight:800}.demo-box div{display:flex;justify-content:space-between;gap:16px;padding-top:10px;color:#b9c5d8}.demo-box code{color:#dfe9fb;background:#14213a;padding:4px 8px;border-radius:8px}.login-form,.modal-form{display:grid;gap:14px}.login-form label,.modal-form label{display:grid;gap:7px}.login-form label span,.modal-form label span{font-size:.78rem;color:#aab7cb;font-weight:700}.login-form input,.modal-form input,.modal-form select{width:100%;background:#0b1527;border:1px solid var(--line);color:var(--text);border-radius:14px;padding:13px 14px;outline:none}.login-form input:focus,.modal-form input:focus,.modal-form select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(94,162,255,.12)}.form-error{min-height:18px;margin:0;color:#ff95a1;font-size:.82rem}.primary-button{border:0;background:linear-gradient(135deg,var(--blue-2),#6f62ff);color:#fff;font-weight:800;border-radius:14px;padding:13px 16px;display:inline-flex;align-items:center;justify-content:center;gap:9px;box-shadow:0 12px 28px rgba(52,120,255,.22)}.primary-button:hover{transform:translateY(-1px)}.primary-button.compact{padding:11px 14px}.login-note{font-size:.75rem;color:#74849b;text-align:center;margin:18px 0 0}
.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#0a1425;border-right:1px solid #1c2b44;padding:20px 16px;display:flex;flex-direction:column;z-index:30}.brand{display:flex;align-items:center;gap:11px;padding:4px 7px 18px}.brand-mark{width:38px;height:38px;border-radius:12px;font-size:.85rem}.brand>span:last-child{display:grid;gap:2px}.brand strong{font-size:.98rem}.brand small{font-size:.68rem;color:#718198}.profile-card{display:flex;align-items:center;gap:11px;background:#101d32;border:1px solid #1f304c;border-radius:16px;padding:12px;margin:0 0 18px}.avatar,.avatar-button{display:grid;place-items:center;border-radius:999px;background:linear-gradient(135deg,#395a91,#6a5ac7);font-weight:800;color:white}.avatar{width:38px;height:38px;font-size:.78rem}.profile-card>div:last-child{min-width:0}.profile-card strong{display:block;font-size:.81rem}.profile-card span{display:block;color:#8291a7;font-size:.67rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}.side-nav{display:grid;gap:5px}.nav-item{border:0;background:transparent;color:#91a0b8;display:grid;grid-template-columns:28px 1fr auto;align-items:center;text-align:left;gap:7px;padding:10px 12px;border-radius:12px;font-size:.83rem}.nav-item:hover,.nav-item.active{background:#14223a;color:#fff}.nav-item.active{box-shadow:inset 3px 0 0 var(--blue)}.nav-icon{font-size:.95rem;text-align:center;color:#8eb7ff}.badge{min-width:22px;text-align:center;background:#20385f;color:#9cc1ff;border-radius:999px;padding:2px 6px;font-size:.65rem}.dot-badge{width:7px;height:7px;background:#ff7d8b;border-radius:50%}.sidebar-foot{margin-top:auto;display:grid;gap:4px}.text-button{border:0;background:transparent;color:#75869e;padding:9px 12px;text-align:left;font-size:.76rem}.text-button:hover{color:white}.text-button.danger{color:#d97985}
.main-panel{margin-left:var(--sidebar);min-height:100vh}.topbar{height:72px;position:sticky;top:0;z-index:20;background:rgba(8,16,31,.85);backdrop-filter:blur(18px);border-bottom:1px solid #1d2b42;display:flex;align-items:center;justify-content:space-between;padding:0 26px}.topbar p{margin:0;color:#78889e;font-size:.76rem}.mobile-brand{display:none}.top-actions{display:flex;align-items:center;gap:10px}.demo-pill,.term-pill{border:1px solid #263a59;background:#111f35;border-radius:999px;color:#9fb0c8;font-size:.72rem;padding:7px 10px;display:inline-flex;align-items:center;gap:7px}.demo-pill i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(93,211,158,.1)}.icon-button,.avatar-button{border:1px solid #263a59;background:#111f35;color:#dfe9fa;width:36px;height:36px}.icon-button{border-radius:11px;font-size:1.15rem}.avatar-button{border-radius:50%;font-size:.68rem}.content-wrap{padding:30px 30px 110px;max-width:1500px;margin:0 auto}.view{display:none}.view.active{display:block}.welcome-row,.page-heading{display:flex;justify-content:space-between;gap:22px;align-items:flex-end;margin-bottom:22px}.welcome-row h2,.page-heading h2{font-size:clamp(1.65rem,4vw,2.45rem);letter-spacing:-.04em;margin:6px 0 5px}.welcome-row p,.page-heading p{margin:0;color:var(--muted)}.date-card{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--card);border-radius:16px;padding:10px 13px;min-width:125px}.date-card>span{font-size:1.7rem;font-weight:800;color:#fff}.date-card div{display:grid}.date-card strong{font-size:.75rem;color:#7eaeff}.date-card small{font-size:.64rem;color:#7d8aa0;margin-top:2px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.stat-card{position:relative;overflow:hidden;background:linear-gradient(180deg,#101d31,#0e192a);border:1px solid #1e304b;border-radius:18px;padding:17px}.stat-card:before{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-35px;top:-35px;opacity:.12}.accent-blue:before{background:var(--blue)}.accent-green:before{background:var(--green)}.accent-purple:before{background:var(--purple)}.accent-amber:before{background:var(--amber)}.stat-icon{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:#172842;color:#9ac2ff;font-weight:800;margin-bottom:18px}.stat-card>span{display:block;color:#8fa0b7;font-size:.75rem}.stat-card strong{display:block;font-size:1.75rem;letter-spacing:-.04em;margin:5px 0}.stat-card small{color:#72839a;font-size:.69rem}.dashboard-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:16px}.panel{background:linear-gradient(180deg,#101c30,#0e1828);border:1px solid #1d304a;border-radius:20px;padding:18px;min-width:0}.panel-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:16px}.panel-head span{font-size:.65rem;letter-spacing:.13em;color:#6f8db9;font-weight:800}.panel-head h3{margin:4px 0 0;font-size:1rem}.link-button{border:0;background:transparent;color:#7cabf4;font-size:.72rem;padding:4px}.class-list,.mini-task-list{display:grid;gap:10px}.class-item{display:grid;grid-template-columns:56px 1fr auto;gap:12px;align-items:center;padding:11px 12px;background:#0d1829;border:1px solid #1d2c44;border-radius:14px}.class-time strong{font-size:.78rem}.class-time span{display:block;color:#6f7f95;font-size:.62rem}.class-info strong{display:block;font-size:.82rem}.class-info span{display:block;color:#73849a;font-size:.67rem;margin-top:4px}.room-pill{font-size:.63rem;background:#182845;color:#9bbcff;padding:5px 8px;border-radius:999px}.empty-state{padding:18px;border:1px dashed #2a3b56;border-radius:14px;color:#718299;text-align:center;font-size:.78rem}.mini-task{display:grid;grid-template-columns:8px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid #1b2a41}.mini-task:last-child{border-bottom:0}.priority-dot{width:8px;height:8px;border-radius:50%;background:#6e7d93}.priority-dot.high{background:var(--danger)}.priority-dot.medium{background:var(--amber)}.priority-dot.low{background:var(--green)}.mini-task strong{display:block;font-size:.78rem}.mini-task span{display:block;color:#75869b;font-size:.66rem;margin-top:3px}.due-chip{font-size:.63rem;color:#9ab5dc;background:#14233a;border-radius:999px;padding:5px 8px}.announcement-preview{min-height:180px}.announce-mini h4{margin:0 0 8px;font-size:1rem}.announce-mini p{margin:0;color:#8797ac;line-height:1.55;font-size:.78rem}.announce-meta{display:flex;gap:8px;margin-top:12px;color:#6f8098;font-size:.66rem}.progress-panel{display:grid;align-content:start}.progress-row{margin-bottom:15px}.progress-row:last-child{margin-bottom:0}.progress-row>div:first-child{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px;font-size:.72rem;color:#8292a8}.progress-row strong{color:#dfe9f8}.progress-track{height:7px;background:#18263b;border-radius:999px;overflow:hidden}.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),#796cff);border-radius:inherit;transition:width .4s ease}
.toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:16px}.filter-tabs{display:flex;gap:7px;flex-wrap:wrap}.filter-tab{border:1px solid #253751;background:#0f1b2e;color:#8192a8;border-radius:999px;padding:8px 11px;font-size:.71rem}.filter-tab.active{color:#fff;border-color:#3b6daf;background:#17325a}.search-box{display:flex;align-items:center;gap:8px;background:#0f1b2e;border:1px solid #253751;border-radius:12px;padding:0 11px;min-width:210px}.search-box span{color:#6d7d92}.search-box input{border:0;outline:0;background:transparent;color:#fff;padding:9px 0;width:100%}.task-list{display:grid;gap:10px}.task-card{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px}.task-check{appearance:none;width:22px;height:22px;border:2px solid #3c4f6c;border-radius:7px;position:relative;background:#0d1728}.task-check:checked{background:var(--blue-2);border-color:var(--blue-2)}.task-check:checked:after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:white;font-size:.75rem;font-weight:900}.task-card.completed .task-main{opacity:.55}.task-card.completed .task-main h3{text-decoration:line-through}.task-main h3{margin:0;font-size:.88rem}.task-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:6px}.task-meta span{font-size:.65rem;color:#8191a7}.priority-chip{padding:4px 7px;border-radius:999px;background:#1a293e}.priority-chip.high{color:#ff97a4}.priority-chip.medium{color:#f5d27a}.priority-chip.low{color:#7adcad}.task-actions{display:flex;gap:4px}.small-icon-btn{border:0;background:#17243a;color:#8da0b8;border-radius:9px;width:32px;height:32px}.small-icon-btn:hover{color:white;background:#20314e}.small-icon-btn.danger:hover{color:#ff9aa6}.schedule-grid{display:grid;grid-template-columns:repeat(5,minmax(160px,1fr));gap:12px;overflow-x:auto;padding-bottom:6px}.schedule-day{min-width:160px}.schedule-day-head{padding:12px 10px;border-bottom:1px solid #22334e;margin-bottom:8px}.schedule-day-head strong{font-size:.79rem}.schedule-day-head span{display:block;color:#73859d;font-size:.66rem;margin-top:3px}.schedule-day.today .schedule-day-head strong{color:#8cb9ff}.schedule-cards{display:grid;gap:8px}.schedule-card{background:#101c2f;border:1px solid #1d304a;border-left:3px solid var(--blue);border-radius:13px;padding:10px}.schedule-card.purple{border-left-color:var(--purple)}.schedule-card.green{border-left-color:var(--green)}.schedule-card.amber{border-left-color:var(--amber)}.schedule-card strong{display:block;font-size:.75rem}.schedule-card span{display:block;color:#798ba2;font-size:.64rem;margin-top:4px}.schedule-card small{display:block;color:#64758c;font-size:.6rem;margin-top:7px}.grade-summary{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;background:linear-gradient(135deg,#122542,#191b42);border:1px solid #29436a;border-radius:22px;padding:22px;margin-bottom:16px}.grade-summary span{color:#9bb0cf;font-size:.75rem}.grade-summary strong{display:block;font-size:2.4rem;letter-spacing:-.05em;margin:5px 0}.grade-summary small{color:#7f91a9}.grade-ring{--pct:0;display:grid;place-items:center;width:96px;height:96px;border-radius:50%;background:conic-gradient(var(--blue) calc(var(--pct)*1%),#22304a 0);position:relative}.grade-ring:after{content:"";position:absolute;width:74px;height:74px;border-radius:50%;background:#131f35}.grade-ring span{position:relative;z-index:1;color:white;font-weight:800}.table-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden}.table-head,.grade-row{display:grid;grid-template-columns:minmax(180px,1.7fr) 80px 100px 100px 42px;align-items:center;gap:10px;padding:12px 16px}.table-head{background:#0d1829;color:#72839a;font-size:.67rem;text-transform:uppercase;letter-spacing:.08em}.grade-row{border-top:1px solid #1d2e47;font-size:.78rem}.grade-row strong{font-size:.82rem}.status-pass{color:#74dbac}.attendance-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.attendance-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}.attendance-card-head{display:flex;justify-content:space-between;gap:12px}.attendance-card h3{margin:0;font-size:.88rem}.attendance-card p{margin:5px 0 0;color:#75879f;font-size:.68rem}.attendance-percent{font-weight:800;color:#8fb7ff}.attendance-bar{height:7px;background:#1c2a40;border-radius:999px;overflow:hidden;margin:15px 0}.attendance-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:inherit}.attendance-numbers{display:flex;justify-content:space-between;color:#8697ae;font-size:.7rem}.attendance-actions{display:flex;gap:8px;margin-top:14px}.attendance-actions button{flex:1;border:1px solid #2a3c59;background:#122039;color:#9caec6;border-radius:10px;padding:8px;font-size:.7rem}.attendance-actions button:hover{color:white}.announcement-list{display:grid;gap:12px}.announcement-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;grid-template-columns:44px 1fr;gap:14px}.announcement-icon{width:44px;height:44px;border-radius:13px;background:#172a49;display:grid;place-items:center;color:#9cc0ff}.announcement-card h3{margin:0 0 7px;font-size:.9rem}.announcement-card p{margin:0;color:#8495aa;font-size:.76rem;line-height:1.6}.announcement-card footer{margin-top:11px;display:flex;gap:10px;color:#6f8198;font-size:.65rem}
.modal-backdrop,.sheet-backdrop{position:fixed;inset:0;background:rgba(3,8,16,.68);backdrop-filter:blur(8px);z-index:80;display:grid;place-items:center;padding:20px}.modal-card{width:min(100%,480px);background:#101b2f;border:1px solid #2a3a55;border-radius:24px;padding:24px;position:relative;box-shadow:var(--shadow)}.modal-card h2{margin:7px 0 20px;font-size:1.55rem}.modal-close{position:absolute;right:14px;top:12px;width:34px;height:34px;border:0;border-radius:10px;background:#192841;color:#aab9cc;font-size:1.3rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mobile-nav{display:none}.bottom-sheet{width:min(100%,520px);align-self:end;background:#101b2f;border:1px solid #2a3a55;border-radius:22px 22px 0 0;padding:10px 14px max(18px,env(safe-area-inset-bottom));box-shadow:var(--shadow)}.sheet-handle{width:42px;height:4px;background:#34445c;border-radius:99px;margin:0 auto 12px}.sheet-link{width:100%;display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#d7e2f2;padding:13px 10px;border-radius:12px;text-align:left}.sheet-link:hover{background:#17263e}.sheet-link.danger{color:#ff98a4}
@media (max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.attendance-grid{grid-template-columns:1fr}.content-wrap{padding-left:22px;padding-right:22px}}
@media (max-width:760px){:root{--sidebar:0px}.sidebar{display:none}.main-panel{margin-left:0}.topbar{height:62px;padding:0 14px}.topbar p{display:none}.mobile-brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:.85rem}.mobile-brand>span{width:29px;height:29px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(135deg,var(--blue-2),#6f62ff);font-size:.65rem}.demo-pill{display:none}.content-wrap{padding:20px 14px 90px}.welcome-row,.page-heading{align-items:flex-start;margin-bottom:18px}.welcome-row h2,.page-heading h2{font-size:1.8rem}.date-card{min-width:auto;padding:8px 10px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.stat-card{padding:14px;border-radius:16px}.stat-icon{margin-bottom:12px}.stat-card strong{font-size:1.45rem}.dashboard-grid{gap:12px}.panel{padding:15px;border-radius:17px}.toolbar{align-items:stretch;flex-direction:column}.search-box{min-width:0}.task-card{grid-template-columns:auto 1fr}.task-actions{grid-column:2;justify-content:flex-end}.schedule-grid{grid-template-columns:1fr;overflow:visible}.schedule-day{min-width:0;background:#0d1828;border:1px solid #1d304a;border-radius:16px;padding:5px 10px 10px}.table-card{overflow-x:auto}.table-head,.grade-row{min-width:600px}.attendance-grid{grid-template-columns:1fr}.mobile-nav{position:fixed;z-index:60;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);background:rgba(12,22,38,.94);border:1px solid #283a56;border-radius:18px;padding:7px;box-shadow:0 16px 40px rgba(0,0,0,.38);backdrop-filter:blur(18px)}.mobile-nav-item{border:0;background:transparent;color:#788aa2;border-radius:12px;padding:6px 4px;display:grid;place-items:center;gap:3px}.mobile-nav-item span{font-size:.9rem}.mobile-nav-item small{font-size:.58rem}.mobile-nav-item.active{background:#172841;color:#fff}.sheet-backdrop{place-items:end center;padding:0}.grade-summary{padding:17px}.grade-ring{width:82px;height:82px}.grade-ring:after{width:63px;height:63px}.announcement-card{grid-template-columns:38px 1fr;padding:15px}.announcement-icon{width:38px;height:38px}.page-heading{gap:12px}.term-pill{font-size:.62rem;padding:6px 8px}}
@media (max-width:460px){.login-screen{padding:16px}.login-card{padding:24px 18px;border-radius:24px}.demo-box div{align-items:flex-start;flex-direction:column;gap:5px}.stats-grid{grid-template-columns:1fr 1fr}.stat-card small{display:none}.class-item{grid-template-columns:52px 1fr}.room-pill{display:none}.page-heading{flex-direction:column}.page-heading .primary-button{width:100%}.form-grid{grid-template-columns:1fr}.welcome-row{align-items:flex-start}.date-card{display:none}.grade-summary{grid-template-columns:1fr auto}.grade-summary strong{font-size:2rem}.filter-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:3px}.filter-tab{white-space:nowrap}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}