/* Unslop direction: orderly, dependable, quietly human. Inspired by school registers and ID cards. */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Newsreader:opsz,wght@6..72,400;6..72,500&display=swap');
:root{--ink:#1f1b16;--secondary:#5e554a;--muted:#7b7266;--navy:#17243a;--accent:#285f8f;--accent-dark:#1e4b72;--paper:#f7f4ee;--card:#fdfbf7;--raised:#efe9df;--line:rgba(31,27,22,.1);--positive:#27734d;--positive-bg:#e8f3ec;--negative:#b93838;--warning:#8a5b19;--warning-bg:#f7eddb;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{background:var(--paper)}body{margin:0;font:400 15px/1.5 "DM Sans",sans-serif;color:var(--ink);background:var(--paper)}button,input,select{font:inherit}button,a{transition:color 160ms var(--ease),background-color 160ms var(--ease),border-color 160ms var(--ease),opacity 160ms var(--ease),transform 120ms var(--ease)}button:active,.primary:active,.download:active{transform:scale(.98)}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(40,95,143,.22);outline-offset:2px}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:500;line-height:1.15}.hidden{display:none!important}.muted{color:var(--muted)}.eyebrow{margin:0 0 8px;color:var(--accent-dark);font-size:13px;font-weight:500;letter-spacing:.01em}.error{color:var(--negative);font-size:13px}.brand{display:flex;align-items:center;width:184px}.brand img{display:block;width:100%;height:auto}.brand-note{margin:0;color:#b9c1cc;font-size:13px}

/* Login */
.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(440px,1.08fr) minmax(400px,.92fr)}.brand-panel{position:relative;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;padding:48px clamp(48px,7vw,112px);color:#f7f4ee;background:var(--navy)}.brand-panel:after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom,transparent 0,transparent 47px,rgba(255,255,255,.045) 47px,rgba(255,255,255,.045) 48px)}.brand-panel>*{position:relative;z-index:1}.brand-panel .eyebrow{color:#bdcad8}.brand-panel h1{max-width:680px;margin-bottom:24px;font-family:"Newsreader",serif;font-size:clamp(52px,6vw,80px);font-weight:400;letter-spacing:-.025em}.lead{max-width:540px;color:#cbd2dc;font-size:18px;line-height:1.6}.login-panel{display:grid;place-items:center;padding:32px;background:var(--card)}.login-card{width:min(100%,400px)}.login-card h2{margin-bottom:8px;font-size:32px}.login-card label{display:grid;gap:8px;margin:24px 0 0;font-size:14px;font-weight:500}.login-card input,.card input,.card select,.scan-panel input{min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;outline:0;color:var(--ink);background:#fff}.login-card input:focus,.card input:focus,.card select:focus,.scan-panel input:focus{border-color:var(--accent)}.login-card>button{width:100%;min-height:44px;margin-top:24px;border:0;border-radius:8px;color:#fff;background:var(--accent-dark);font-weight:500;cursor:pointer}.login-card>button:hover{background:#163e60}.mobile-brand{display:none;width:216px;margin-bottom:48px;padding:8px 12px;border-radius:8px;background:var(--navy)}.mobile-brand img{display:block;width:100%;height:auto}.demo{margin-top:16px;text-align:center;color:var(--muted);font:400 12px/16px "DM Sans",sans-serif}.field-error{min-height:16px;color:var(--negative);font-size:12px;font-weight:400}.password-control{display:flex;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}.password-control:focus-within{border-color:var(--accent);outline:3px solid rgba(40,95,143,.14)}.password-control input{flex:1;min-width:0;border:0!important;border-radius:0;outline:0!important}.password-control button{width:auto!important;padding:0 12px!important;border:0;background:transparent!important;color:var(--accent-dark)!important;font-size:13px!important;cursor:pointer}.login-card input.invalid,.password-control.invalid{border-color:var(--negative)}.login-card input.valid{border-color:var(--positive)}

/* App shell */
.app{min-height:100vh;display:grid;grid-template-columns:256px minmax(0,1fr)}.app aside{position:sticky;top:0;display:flex;flex-direction:column;height:100vh;padding:24px 16px;color:#f7f4ee;background:var(--navy)}.app nav{display:grid;gap:4px;margin-top:48px}.app nav a{display:flex;align-items:center;min-height:36px;padding:8px 10px;border:1px solid transparent;border-radius:8px;color:#aeb8c6;text-decoration:none;font-size:14px}.app nav svg{width:18px;height:18px;margin-right:10px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}.app nav a.active,.app nav a:hover{border-color:rgba(255,255,255,.08);color:#fff;background:rgba(255,255,255,.07)}.ghost{min-height:36px;margin-top:auto;border:1px solid rgba(255,255,255,.16);border-radius:8px;color:#d2d8e0;background:transparent;cursor:pointer}.ghost:hover{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.06)}.content{width:100%;max-width:1500px;padding:24px 32px 64px}.content>header{display:flex;align-items:center;justify-content:space-between;min-height:64px;margin-bottom:32px;border-bottom:1px solid var(--line)}.content>header h2{margin-bottom:16px;font-size:28px}.avatar{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;color:var(--accent-dark);background:var(--raised);font-size:13px;font-weight:500}

/* Identity moment */
.hero{position:relative;display:flex;align-items:center;justify-content:space-between;min-height:192px;padding:32px;overflow:hidden;border:1px solid rgba(255,255,255,.12);border-radius:16px;color:#f7f4ee;background:var(--navy)}.hero:after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom,transparent 0,transparent 31px,rgba(255,255,255,.05) 31px,rgba(255,255,255,.05) 32px)}.hero>*{position:relative;z-index:1}.hero .eyebrow{color:#bdcad8}.hero h2{margin-bottom:8px;font-family:"Newsreader",serif;font-size:36px;font-weight:400}.hero p{margin-bottom:0;color:#d3dae3}.id-badge{min-width:232px;padding:20px;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#fff;background:rgba(255,255,255,.07);font:500 14px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace}.id-badge:before{content:"STUDENT ID";display:block;margin-bottom:8px;color:#aeb8c6;font:400 11px/1 "DM Sans",sans-serif;letter-spacing:.08em}

/* Content */
.page-intro{max-width:720px;margin-bottom:32px}.page-intro h2{margin-bottom:8px;font-size:32px}.page-intro p:last-child{margin-bottom:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0 40px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--card)}.grid>.card{min-height:132px}.metric{margin:12px 0 8px;font-size:30px;font-weight:500;font-variant-numeric:tabular-nums;line-height:1}.card small{color:var(--secondary)}.dot,.live-dot{display:inline-block;width:6px;height:6px;margin-right:8px;border-radius:50%;background:var(--positive)}.section-head{display:flex;align-items:center;justify-content:space-between;margin:40px 0 12px}.section-head h3{margin:0;font-size:18px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:var(--card)}table{width:100%;min-width:600px;border-collapse:collapse}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;font-variant-numeric:tabular-nums}th{color:var(--muted);font-size:12px;font-weight:500}tr:last-child td{border-bottom:0}.pill{display:inline-block;padding:3px 8px;border-radius:5px;color:var(--positive);background:var(--positive-bg);font-size:12px;font-weight:500}.pill.pending,.pill.overdue{color:var(--warning);background:var(--warning-bg)}.result-score{color:var(--accent-dark);font-size:32px;font-weight:500;font-variant-numeric:tabular-nums}.progress-track{height:6px;margin:16px 0;border-radius:3px;overflow:hidden;background:var(--raised)}.progress-fill{height:100%;border-radius:3px;background:var(--accent)}.primary,.download{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 16px;border:0;border-radius:8px;color:#fff;background:var(--accent-dark);font-weight:500;text-decoration:none;cursor:pointer}.primary:hover,.download:hover{background:#163e60}.primary:disabled{opacity:.55;cursor:not-allowed}.empty{padding:40px;text-align:center;color:var(--muted)}

/* Timetable and calendar */
.timetable{display:grid;gap:24px}.day-row{display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px}.day-label{padding:16px 0;font-size:14px;font-weight:500}.class-block{display:flex;justify-content:space-between;gap:16px;margin-bottom:8px;padding:16px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;background:var(--card)}.class-time{color:var(--accent-dark);font-weight:500;white-space:nowrap;font-variant-numeric:tabular-nums}.calendar{padding:0;overflow:hidden}.calendar-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}.calendar-nav{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--card);font-size:20px;cursor:pointer}.calendar-nav:hover{border-color:var(--accent);color:var(--accent-dark)}.weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr)}.weekdays b{padding:12px 4px;text-align:center;color:var(--muted);font-size:12px;font-weight:500}.calendar-day{display:flex;flex-direction:column;gap:4px;min-height:96px;padding:8px;border:0;border-top:1px solid var(--line);border-right:1px solid var(--line);color:var(--ink);background:var(--card);text-align:left;font:inherit}.calendar-day:not(.outside){cursor:pointer}.calendar-day:not(.outside):hover,.calendar-day.selected{background:var(--raised)}.calendar-day.selected{box-shadow:inset 0 0 0 1px var(--accent)}.calendar-day.today>span{display:grid;place-items:center;width:28px;height:28px;border-radius:6px;color:#fff;background:var(--navy)}.calendar-day.has-class>span{color:var(--accent-dark);font-weight:500}.calendar-day.has-class.today>span{color:#fff}.calendar-day small{display:block;overflow:hidden;padding:3px 4px;border-left:2px solid var(--accent);color:var(--accent-dark);background:#e9eef3;font-size:10px;white-space:nowrap;text-overflow:ellipsis}.calendar-day.outside{background:#f3efe8}.day-details{margin-top:24px}

/* Messaging and materials */
.messages-layout{display:grid;grid-template-columns:312px minmax(0,1fr);min-height:528px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--card)}.thread-list{border-right:1px solid var(--line)}.thread{display:block;width:100%;padding:16px;border:0;border-bottom:1px solid var(--line);color:var(--ink);background:var(--card);text-align:left;cursor:pointer}.thread.active,.thread:hover{background:var(--raised)}.thread b,.thread small{display:block}.thread b{font-weight:500}.thread small{overflow:hidden;margin-top:4px;color:var(--muted);white-space:nowrap;text-overflow:ellipsis}.chat{display:flex;flex-direction:column}.chat-head{padding:16px 20px;border-bottom:1px solid var(--line);font-weight:500}.chat-messages{display:flex;flex:1;flex-direction:column;gap:12px;max-height:400px;overflow:auto;padding:20px}.bubble{max-width:76%;padding:10px 12px;border-radius:10px;background:var(--raised);font-size:14px}.bubble.mine{align-self:flex-end;color:#fff;background:var(--accent-dark)}.bubble small{display:block;margin-top:4px;opacity:.7}.compose{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}.compose input{flex:1;min-height:40px;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}.material{display:flex;align-items:center;justify-content:space-between;gap:16px}.file-icon{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;color:var(--accent-dark);background:var(--raised);font-size:12px;font-weight:500;flex:none}.material-info{flex:1}.material-info h3{font-size:16px}

/* Operations */
.scan-panel{display:flex;align-items:end;gap:12px;margin-bottom:24px}.scan-panel label,.card label{display:grid;gap:8px;margin:12px 0;font-size:13px;font-weight:500}.scan-panel label{flex:1}.operation-card{max-width:760px}.operation-card label{margin:20px 0}.operation-card input,.operation-card select{width:100%}.operation-result,.student-confirm{margin-top:20px;padding:16px;border-left:3px solid var(--positive);border-radius:8px;color:#24593e;background:var(--positive-bg)}.student-confirm{border-left-color:var(--accent);color:var(--ink);background:#e9eef3}.attendance-methods{display:grid;grid-template-columns:1fr 40px 1fr;gap:16px;margin-top:24px}.method-divider{position:relative;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px}.method-divider:before{content:"";position:absolute;width:1px;height:100%;background:var(--line)}.method-divider span{position:relative;padding:8px;background:var(--card)}.search-control{position:relative}.search-results{position:absolute;z-index:10;top:calc(100% + 4px);right:0;left:0;display:none;max-height:288px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff;box-shadow:0 8px 24px rgba(31,27,22,.08)}.search-results.open{display:block}.search-result{display:flex;align-items:center;gap:12px;width:100%;padding:12px;border:0;border-bottom:1px solid var(--line);background:#fff;text-align:left;cursor:pointer}.search-result:hover,.search-result.active{background:var(--raised)}.search-result span:not(.search-avatar),.search-result small{display:block}.search-result small{margin-top:4px;color:var(--muted)}.search-avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:6px;color:var(--accent-dark);background:var(--raised);font-size:12px;font-weight:500;flex:none}.search-empty{padding:16px;text-align:center;color:var(--muted)}.selected-student{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px;border-left:3px solid var(--accent);border-radius:8px;background:#e9eef3}.selected-student span,.selected-student small{display:block}.selected-student small{margin-top:4px;color:var(--muted)}.fast-payment-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.payment-action{width:100%;margin-top:8px;padding:12px}

@media(max-width:900px){.auth-shell{grid-template-columns:1fr}.brand-panel{display:none}.mobile-brand{display:flex}.login-panel{min-height:100vh}.grid{grid-template-columns:1fr 1fr}.grid>.card:last-child{grid-column:1/-1}}
@media(max-width:760px){.app{display:block}.app aside{position:fixed;z-index:20;top:auto;bottom:0;width:100%;height:auto;padding:8px 12px}.app aside>.brand,.app aside>.ghost{display:none}.app nav{display:flex!important;min-width:100%;width:max-content;margin:0}.app nav a{justify-content:center;min-width:64px;padding:8px 12px}.app nav svg{margin:0}.app nav span{display:none}.content{padding:20px 16px 96px}.content>header{margin-bottom:24px}.grid,.grid.two{grid-template-columns:1fr}.grid>.card:last-child{grid-column:auto}.hero{align-items:flex-start;gap:24px;flex-direction:column;padding:24px}.hero h2{font-size:30px}.id-badge{width:100%;min-width:0}.day-row{grid-template-columns:1fr;gap:0}.day-label{padding:8px 0}.class-block{flex-direction:column}.messages-layout{grid-template-columns:1fr}.thread-list{border-right:0}.messages-layout.chat-open .thread-list{display:none}.messages-layout:not(.chat-open) .chat{display:none}.material{align-items:flex-start;flex-wrap:wrap}.material .download{width:100%}.attendance-methods{grid-template-columns:1fr}.method-divider:before{width:100%;height:1px}.selected-student{align-items:stretch;flex-direction:column}.fast-payment-grid{grid-template-columns:1fr}.scan-panel{align-items:stretch;flex-direction:column}.calendar-head{padding:12px}.calendar-day{align-items:center;min-height:56px;padding:6px}.calendar-day small{width:6px;height:6px;padding:0;border:0;border-radius:50%;background:var(--accent);font-size:0}.calendar-day>span{font-size:13px}.weekdays b{font-size:10px}.calendar-day.today>span{width:24px;height:24px}.day-details .section-head{align-items:flex-start;gap:8px}.day-details .section-head h3{font-size:17px}}

@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}