@charset "UTF-8";

:root{
  color-scheme:light;
  --bg:#f5f5f7;--surface:#ffffff;--surface-2:#f5f5f7;--surface-3:#e8e8ed;
  --sidebar:#fbfbfd;--ink:#1d1d1f;--ink-2:#424245;--muted:#6e6e73;
  --line:#dedee3;--line-strong:#c7c7cc;--silver:#e8e8ed;
  --blue:#0071e3;--blue-hover:#0077ed;
  --green:#248a3d;--green-bg:#e8f5eb;--amber:#946200;--amber-bg:#fff4d6;
  --red:#c9343c;--red-strong:#b4232c;--red-bg:#fff0f1;
  --focus:#0071e3;--shadow:0 20px 60px rgba(0,0,0,.12);
  --fast:160ms;--standard:220ms;--ease:cubic-bezier(.2,.7,.2,1);
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;letter-spacing:0}
html{background:var(--bg)}
body{margin:0;min-width:320px;background:var(--bg);color:var(--ink);font:14px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.42}
.hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.eyebrow{margin:0 0 8px;color:var(--muted);font:600 10px/1.3 var(--mono);text-transform:uppercase}
.status-dot{display:block;width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(100,184,146,.1);flex:0 0 auto}
.brand-mark{display:grid;width:36px;height:36px;place-items:center;border:1px solid var(--line-strong);border-radius:6px;color:var(--ink);font:700 12px/1 var(--mono)}

/* Entry lock */
.intro-view{position:fixed;z-index:100;inset:0;display:grid;place-items:center;overflow:hidden;background:#f5f5f7;transition:opacity 420ms var(--ease),visibility 420ms}
.intro-view>*{z-index:1}
.intro-view:before{content:"";position:absolute;z-index:0;inset:-1%;background:url("assets/changzhi-campus-gate.jpg") center 47%/cover no-repeat;filter:grayscale(1) saturate(.2) contrast(.86);opacity:.17;pointer-events:none}
.intro-view:after{content:"";position:absolute;z-index:0;inset:0;background-image:linear-gradient(rgba(29,29,31,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(29,29,31,.024) 1px,transparent 1px),linear-gradient(180deg,rgba(245,245,247,.42),rgba(245,245,247,.72));background-size:48px 48px,48px 48px,100% 100%;pointer-events:none}
.intro-view.is-unlocking{opacity:0;visibility:hidden;transition-delay:520ms}
.intro-school-logo{position:absolute;left:50%;top:calc(50% - 330px);width:72px;height:72px;border:1px solid #d2d2d7;border-radius:50%;background:#fff;object-fit:cover;box-shadow:0 10px 30px rgba(0,0,0,.08);transform:translateX(-50%);animation:school-logo-arrive 620ms var(--ease) both}
@keyframes school-logo-arrive{from{opacity:0;transform:translateX(-50%) translateY(-18px) scale(.9)}to{opacity:1;transform:translateX(-50%) translateY(0) scale(1)}}
.intro-school{position:absolute;left:50%;top:calc(50% - 236px);display:flex;gap:.16em;margin:0;color:#1d1d1f;font-size:46px;line-height:1;font-weight:620;transform:translateX(-50%)}
.intro-school span{opacity:0;animation:assemble-letter 760ms var(--ease) forwards}
.intro-school span:nth-child(1){--from-x:-70px;--from-y:-44px;--from-r:-10deg;animation-delay:80ms}.intro-school span:nth-child(2){--from-x:-32px;--from-y:56px;--from-r:8deg;animation-delay:160ms}.intro-school span:nth-child(3){--from-x:38px;--from-y:-52px;--from-r:9deg;animation-delay:240ms}.intro-school span:nth-child(4){--from-x:76px;--from-y:42px;--from-r:-8deg;animation-delay:320ms}
@keyframes assemble-letter{from{opacity:0;transform:translate(var(--from-x),var(--from-y)) rotate(var(--from-r)) scale(.82)}to{opacity:1;transform:translate(0,0) rotate(0) scale(1)}}
.intro-lock{position:relative;width:240px;height:280px;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;animation:lock-arrive 900ms cubic-bezier(.16,.76,.24,1) 120ms both}
@keyframes lock-arrive{from{opacity:0;translate:-42vw 18px;rotate:-7deg}70%{opacity:1;translate:12px 0;rotate:1.5deg}to{opacity:1;translate:0 0;rotate:0}}
.intro-lock:disabled{opacity:1;cursor:default}
.lock-aura{position:absolute;left:50%;top:48%;width:250px;height:250px;border:1px solid rgba(0,113,227,.12);border-radius:50%;transform:translate(-50%,-50%);transition:border-color var(--standard),transform var(--standard)}
.lock-aura:before,.lock-aura:after{content:"";position:absolute;inset:20px;border:1px solid rgba(0,113,227,.08);border-radius:50%}.lock-aura:after{inset:45px}
.lock-scan{position:absolute;left:50%;top:48%;width:278px;height:278px;border-radius:50%;background:repeating-conic-gradient(from 0deg,rgba(0,113,227,.32) 0 1deg,transparent 1deg 12deg);mask:radial-gradient(circle,transparent 69%,#000 70% 71%,transparent 72%);transform:translate(-50%,-50%);opacity:.5;animation:scan-ring 12s linear infinite}
@keyframes scan-ring{to{transform:translate(-50%,-50%) rotate(1turn)}}
.lock-shackle{position:absolute;z-index:1;top:24px;left:50%;width:126px;height:112px;border:18px solid #a1a1a6;border-bottom:0;border-radius:64px 64px 0 0;transform:translateX(-50%);transform-origin:100% 100%;transition:transform 680ms cubic-bezier(.2,.8,.2,1),border-color var(--standard)}
.lock-body{position:absolute;z-index:2;top:112px;left:50%;width:184px;height:148px;display:grid;place-items:center;overflow:hidden;border:1px solid #c7c7cc;border-radius:32px;background:linear-gradient(145deg,#fff 0%,#f8f8fa 55%,#ececf0 100%);box-shadow:0 2px 0 rgba(255,255,255,.9) inset,0 -1px 0 rgba(0,0,0,.04) inset,0 24px 60px rgba(0,0,0,.14);transform:translateX(-50%);transition:transform 680ms cubic-bezier(.2,.8,.2,1),box-shadow var(--standard)}
.lock-body:before{content:"";position:absolute;left:12px;right:12px;top:10px;height:1px;background:rgba(255,255,255,.92)}
.lock-body img{position:relative;width:84px;height:84px;border-radius:50%;object-fit:cover;border:1px solid #c7c7cc;box-shadow:0 6px 18px rgba(0,0,0,.08)}
.intro-lock:hover .lock-aura,.intro-lock:focus-visible .lock-aura{border-color:rgba(0,113,227,.35);transform:translate(-50%,-50%) scale(1.04)}
.intro-lock:hover .lock-shackle{border-color:#86868b}.intro-lock:hover .lock-body{box-shadow:0 28px 70px rgba(0,0,0,.18);transform:translateX(-50%) translateY(-6px)}
.intro-lock:active .lock-body{transform:translateX(-50%) translateY(-2px) scale(.985)}
.intro-view.is-unlocking .lock-shackle{transform:translateX(-50%) translate(18px,-18px) rotate(18deg)}
.intro-view.is-unlocking .lock-body{transform:translateX(-50%) scale(.96)}
.intro-view.is-unlocking .lock-scan{opacity:0;transform:translate(-50%,-50%) scale(1.24);transition:opacity 360ms,transform 520ms var(--ease)}
.intro-view.is-unlocking .intro-school,.intro-view.is-unlocking .intro-school-logo{opacity:0;transform:translateX(-50%) scale(.96);transition:opacity 220ms,transform 220ms}
.intro-access{position:absolute;left:50%;top:calc(50% + 170px);display:grid;justify-items:center;gap:7px;color:#6e6e73;transform:translateX(-50%);text-align:center;animation:access-arrive 560ms var(--ease) 720ms both}.intro-access-line{width:1px;height:22px;background:#c7c7cc}.intro-access strong{color:#424245;font-size:13px;font-weight:600}.intro-access small{color:#86868b;font:9px/1.2 var(--mono)}
@keyframes access-arrive{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.intro-particles{position:absolute;inset:0;pointer-events:none}.intro-particles i{position:absolute;width:4px;height:4px;border-radius:50%;background:rgba(0,113,227,.22);animation:intro-drift 5s ease-in-out infinite}
.intro-particles i:nth-child(1){left:18%;top:28%}.intro-particles i:nth-child(2){left:31%;top:71%;animation-delay:-1s}.intro-particles i:nth-child(3){left:72%;top:24%;animation-delay:-2s}.intro-particles i:nth-child(4){left:82%;top:66%;animation-delay:-3s}.intro-particles i:nth-child(5){left:57%;top:14%;animation-delay:-4s}.intro-particles i:nth-child(6){left:43%;top:84%;animation-delay:-2.5s}
@keyframes intro-drift{0%,100%{opacity:.2;transform:translateY(0)}50%{opacity:.8;transform:translateY(-18px)}}

/* Welcome and login */
.login-page{position:relative;min-height:100vh;overflow:hidden;background:#f5f5f7;color:#1d1d1f}
.login-page:before{content:"";position:absolute;z-index:0;inset:-1%;background:url("assets/changzhi-campus-gate.jpg") center 46%/cover no-repeat;filter:grayscale(1) saturate(.16) contrast(.84);opacity:.34;transform:scale(1.01);pointer-events:none}
.hero-canvas,.hero-scrim{position:absolute;z-index:1;inset:0;width:100%;height:100%}
.hero-scrim{background:linear-gradient(90deg,rgba(245,245,247,.9) 0%,rgba(245,245,247,.82) 42%,rgba(245,245,247,.16) 70%,rgba(245,245,247,.3) 100%);pointer-events:none}
.welcome-header{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:28px clamp(24px,5vw,76px)}
.welcome-brand{display:flex;align-items:center;gap:11px;color:#1d1d1f;text-decoration:none}.welcome-brand img{display:block;border-radius:50%;object-fit:cover;background:#fff}.welcome-brand .school-logo{width:52px;height:52px;border:1px solid #d2d2d7}.school-name{display:block;min-width:max-content}.school-name strong{display:block;font-size:17px;line-height:1.2;font-weight:650}.school-name small{display:block;margin-top:3px;color:#86868b;font:8px/1.1 var(--mono)}.brand-divider{width:1px;height:34px;margin:0 2px;background:#d2d2d7}.welcome-brand .access-logo{width:42px;height:42px;border:1px solid #d2d2d7}
.welcome-actions{display:flex;align-items:center;gap:8px}.welcome-link{min-width:60px;min-height:44px;padding:0 12px;border:0;background:transparent;color:#515154;font-weight:600;transition:color var(--standard),background var(--standard)}.welcome-link:hover{color:#1d1d1f;background:rgba(255,255,255,.58)}.welcome-link:active{background:rgba(255,255,255,.82)}
.login-entry{min-height:44px;display:flex;align-items:center;gap:24px;padding:0 17px;border:1px solid var(--blue);border-radius:22px;background:var(--blue);color:#fff;font-weight:600;transition:background var(--standard),border-color var(--standard)}
.login-entry:hover{border-color:var(--blue-hover);background:var(--blue-hover)}
.welcome-content{position:absolute;z-index:2;left:clamp(24px,7vw,108px);top:50%;width:min(760px,calc(100% - 48px));transform:translateY(-42%)}
.welcome-content .eyebrow{color:#6e6e73}.welcome-content h1{max-width:760px;margin:0;color:#1d1d1f;font-size:clamp(40px,4.45vw,64px);line-height:1.08;font-weight:560}.welcome-content h1 span{display:block}.welcome-copy{max-width:630px;margin:26px 0 34px;color:#515154;font-size:16px;line-height:1.8}
.welcome-status{display:flex;flex-wrap:wrap;gap:12px 26px;padding-top:20px;border-top:1px solid #d2d2d7;color:#515154;font:11px/1.4 var(--mono)}.welcome-status span{display:flex;align-items:center;gap:8px}.welcome-status strong{color:#1d1d1f}
.scene-caption{position:absolute;z-index:2;right:clamp(24px,4vw,64px);bottom:30px;display:flex;gap:28px;color:#86868b;font:9px/1 var(--mono)}
.login-page:not(.is-entered) .welcome-header,.login-page:not(.is-entered) .welcome-content>* ,.login-page:not(.is-entered) .scene-caption,.login-page:not(.is-entered) .hero-canvas,.login-page:not(.is-entered) .hero-scrim{opacity:0}
.login-page.is-entered .welcome-header{animation:welcome-header-enter 520ms var(--ease) both}
.login-page.is-entered .welcome-brand .school-logo{animation:welcome-icon-enter 520ms cubic-bezier(.18,.82,.24,1.2) 90ms both}
.login-page.is-entered .welcome-brand .access-logo{animation:welcome-icon-enter 520ms cubic-bezier(.18,.82,.24,1.2) 160ms both}
.login-page.is-entered .login-entry{animation:welcome-action-enter 460ms var(--ease) 170ms both}
.login-page.is-entered .welcome-content .eyebrow{animation:welcome-rise 440ms var(--ease) 150ms both}
.login-page.is-entered .welcome-content h1{animation:welcome-rise 560ms var(--ease) 220ms both}
.login-page.is-entered .welcome-copy{animation:welcome-rise 520ms var(--ease) 330ms both}
.login-page.is-entered .welcome-status{animation:welcome-rise 480ms var(--ease) 420ms both}
.login-page.is-entered .hero-canvas,.login-page.is-entered .hero-scrim{animation:welcome-scene-enter 760ms var(--ease) 100ms both}
.login-page.is-entered .scene-caption{animation:welcome-rise 420ms var(--ease) 520ms both}
@keyframes welcome-header-enter{from{opacity:0;transform:translateY(-18px)}to{opacity:1;transform:translateY(0)}}
@keyframes welcome-icon-enter{from{opacity:0;transform:scale(.72) rotate(-8deg)}to{opacity:1;transform:scale(1) rotate(0)}}
@keyframes welcome-action-enter{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:translateX(0)}}
@keyframes welcome-rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes welcome-scene-enter{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:scale(1)}}
.login-dialog{width:min(460px,calc(100% - 28px));padding:0;border:1px solid #d2d2d7;border-radius:12px;background:#fff;color:#1d1d1f;box-shadow:0 30px 100px rgba(0,0,0,.2)}
.login-dialog::backdrop{background:rgba(0,0,0,.28);backdrop-filter:blur(8px)}
.info-dialog{width:min(560px,calc(100% - 28px));padding:0;border:1px solid #d2d2d7;border-radius:12px;background:rgba(255,255,255,.98);color:#1d1d1f;box-shadow:0 30px 100px rgba(0,0,0,.2)}.info-dialog::backdrop{background:rgba(0,0,0,.24);backdrop-filter:blur(8px)}.info-dialog-body{padding:30px;background:linear-gradient(rgba(255,255,255,.92),rgba(255,255,255,.98)),url("assets/changzhi-campus-gate.jpg") center 36%/cover no-repeat}.info-dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.info-dialog-head h2{margin:0;font-size:26px;font-weight:620}.info-lead{margin:22px 0 26px;color:#515154;font-size:15px;line-height:1.8}.info-list{margin:0;border-top:1px solid #dedee3}.info-list div{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:15px 0;border-bottom:1px solid #dedee3}.info-list dt{color:#86868b;font:10px/1.6 var(--mono)}.info-list dd{margin:0;color:#424245;line-height:1.6}.contact-note{margin:20px 0 0;color:#6e6e73;font-size:12px;line-height:1.7}
.login-dialog form{position:relative;overflow:hidden;padding:30px}.login-tech-grid{position:absolute;inset:0;display:block;background:linear-gradient(rgba(255,255,255,.9),rgba(255,255,255,.96)),url("assets/changzhi-campus-gate.jpg") center 38%/cover no-repeat;filter:grayscale(1);opacity:.34;pointer-events:none}
.dialog-head,.login-intro,.login-dialog label,.login-dialog input,.login-dialog .primary,.login-dialog .message,.login-dialog .session-note{position:relative}.dialog-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.dialog-head h2{margin:0;font-size:24px;font-weight:620}.login-identity{display:flex;align-items:center;gap:14px}.login-identity img{width:52px;height:52px;border-radius:50%;object-fit:cover;border:1px solid #d2d2d7;background:#fff}.login-identity .eyebrow{color:#6e6e73}
.close-button{position:relative;width:44px;height:44px;padding:0;border:0;border-radius:50%;background:#f2f2f4;color:#6e6e73;font-size:24px;line-height:1}.close-button:hover{background:#e8e8ed;color:#1d1d1f}
.login-intro{margin:18px 0 26px;color:#6e6e73}
.login-dialog label{display:block;margin:0 0 7px;color:#424245;font-size:13px}.login-dialog input{width:100%;margin-bottom:18px;border-color:#d2d2d7;background:#f5f5f7;color:#1d1d1f}.login-dialog input:hover{border-color:#a1a1a6}.login-dialog input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.12)}
.password-field{position:relative}.password-field input{padding-right:54px}.password-field input::-ms-reveal,.password-field input::-ms-clear{display:none}.password-toggle{position:absolute;z-index:2;top:0;right:2px;width:44px;height:44px;padding:0;border:0;background:transparent;color:#6e6e73}.password-toggle:hover{color:#1d1d1f}.eye-icon{position:absolute;left:50%;top:50%;width:22px;height:15px;overflow:hidden;transform:translate(-50%,-50%)}.eye-icon:before{content:"";position:absolute;left:1px;top:5px;width:18px;height:14px;border:1.8px solid currentColor;border-radius:50%;transform:rotate(-2deg)}.eye-icon:after{content:"";position:absolute;left:50%;top:9px;width:5px;height:5px;border-radius:50%;background:currentColor;transform:translate(-50%,-50%)}.password-toggle[aria-pressed="true"] .eye-icon{opacity:.72}.password-toggle[aria-pressed="true"] .eye-icon:before{top:-6px}.password-toggle[aria-pressed="true"] .eye-icon:after{top:6px}
.login-dialog .primary{border-color:var(--blue);border-radius:22px;background:var(--blue);color:#fff}.login-dialog .primary:hover{border-color:var(--blue-hover);background:var(--blue-hover)}.login-dialog .session-note{border-color:#dedee3;color:#86868b}.login-dialog .message{color:var(--red)}
input,select{min-height:44px;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface-2);outline:none;transition:border-color var(--fast),background var(--fast),box-shadow var(--fast)}
input{padding:10px 12px}
select{padding:9px 34px 9px 12px}
input:hover,select:hover{border-color:#899a91}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.12)}
.primary,.danger,.minor,.icon-button,.open,.nav,.logout{min-height:44px;border-radius:6px;transition:background var(--standard) var(--ease),border-color var(--standard) var(--ease),color var(--standard) var(--ease),opacity var(--standard)}
.primary{display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:7px;padding:0 15px;border:1px solid var(--blue);background:var(--blue);color:#fff;font-weight:650}
.primary:hover{background:var(--blue-hover);border-color:var(--blue-hover)}.primary:active,.minor:active,.icon-button:active,.open:active,.nav:active,.logout:active{opacity:.72}
.message{min-height:22px;margin-top:12px;color:var(--red);font-size:13px}
.session-note{margin:30px 0 0;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}

/* Shell */
.app{min-height:100vh;display:grid;grid-template-columns:232px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:26px 16px 20px;border-right:1px solid var(--line);background:var(--sidebar)}
.brand{display:flex;align-items:center;gap:12px;padding:0 10px 38px;color:#1d1d1f;font-size:15px;font-weight:650}.brand>img{width:38px;height:38px;border-radius:50%;object-fit:cover;background:#fff;border:1px solid #d2d2d7}
.brand small,.service-state small{display:block;margin-top:2px;color:#86868b;font:9px/1.2 var(--mono)}.sync-state small{display:block;margin-top:2px;color:var(--muted);font:9px/1.2 var(--mono)}
.sidebar nav{display:grid;gap:5px}
.nav,.logout{width:100%;display:flex;align-items:center;gap:11px;padding:0 12px;border:1px solid transparent;background:transparent;color:#6e6e73;text-align:left}
.nav:hover,.logout:hover{background:#f0f0f2;color:#1d1d1f}
.nav.active{border-color:#e1e1e5;background:#e8e8ed;color:#1d1d1f}
.nav-icon{width:20px;color:currentColor;font:18px/1 var(--mono);text-align:center}
.sidebar-foot{display:grid;gap:12px;margin-top:auto}
.service-state{display:flex;align-items:center;gap:11px;padding:16px 12px;border-top:1px solid #dedee3;border-bottom:1px solid #dedee3;color:#424245;font-size:12px}
.logout{color:var(--red)}
main{min-width:0;padding:34px 38px 48px}
.topbar{display:flex;justify-content:space-between;align-items:center;min-height:68px;margin-bottom:34px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.topbar h1{margin:0;font-size:25px;line-height:1.2;font-weight:580}
.topbar-meta{display:flex;align-items:center;gap:18px}
.sync-state,.user{display:flex;align-items:center;gap:10px;color:var(--ink-2);font-size:12px}
.divider{width:1px;height:30px;background:var(--line)}
.user>span:first-child{display:grid;width:34px;height:34px;place-items:center;border:1px solid var(--line-strong);border-radius:50%;background:var(--surface-2);font:600 12px var(--mono)}

/* Overview */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:26px;border:1px solid var(--line);border-radius:7px;background:var(--surface)}
.stats article{min-width:0;padding:18px 20px;border-right:1px solid var(--line)}
.stats article:last-child{border-right:0}
.stats span{display:block;color:var(--muted);font-size:12px}
.stats strong{display:block;margin:7px 0 4px;font-size:28px;line-height:1;font-weight:540;font-variant-numeric:tabular-nums}
.stats small{color:#757c7f;font:9px/1.2 var(--mono)}
.stats small.good{color:var(--green)}.stats small.warn{color:var(--amber)}
.stats .small-value{margin-top:11px;font:500 17px/1.15 var(--mono)}
.panel{overflow:hidden;border:1px solid var(--line);border-radius:7px;background:var(--surface);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 22px;border-bottom:1px solid var(--line)}
.panel-head h2,.settings-layout h2{margin:0;font-size:17px;font-weight:600}.panel-head p:not(.eyebrow),.settings-layout>div>p:last-child{margin:4px 0 0;color:var(--muted);font-size:12px}
.tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.search-box{position:relative;margin:0}.search-box>span{position:absolute;z-index:1;left:12px;top:50%;color:var(--muted);font:18px/1 var(--mono);transform:translateY(-50%)}
.search-box input{width:230px;padding-left:38px}
.select-label{margin:0}
.minor,.icon-button{border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink-2)}
.minor{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 13px}.minor:hover,.icon-button:hover{border-color:#5d6467;background:var(--surface-3);color:var(--ink)}
.icon-button{width:44px;padding:0;font:20px/1 var(--mono)}
.device-columns,.device{display:grid;grid-template-columns:minmax(210px,1.3fr) 96px 112px minmax(210px,1.15fr) 194px;align-items:center;gap:16px}
.device-columns{padding:10px 22px;border-bottom:1px solid var(--line);background:var(--surface-2);color:var(--muted);font:9px/1.2 var(--mono);text-transform:uppercase}
.device-list{min-height:96px}
.device{min-height:86px;padding:15px 22px;border-bottom:1px solid var(--line);transition:background var(--fast)}
.device:last-child{border-bottom:0}.device:hover{background:#f8faf9}
.device-name{min-width:0}.device-name strong{display:block;overflow:hidden;color:var(--ink);font-weight:580;text-overflow:ellipsis;white-space:nowrap}
.device-name small{display:block;margin-top:4px;overflow:hidden;color:var(--muted);font:11px/1.4 var(--mono);text-overflow:ellipsis;white-space:nowrap}
.tag{display:inline-flex;width:max-content;align-items:center;gap:7px;padding:5px 8px;border:1px solid rgba(35,122,91,.22);border-radius:20px;background:var(--green-bg);color:var(--green);font-size:11px}
.tag:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.tag.offline{border-color:var(--line);background:var(--surface-3);color:#a0a5a7}
.lock-state{color:var(--ink-2);font-size:12px}
.progress{min-width:0;color:var(--muted);font-size:11px}.progress strong{display:block;margin-bottom:3px;overflow:hidden;color:var(--ink-2);font-size:12px;font-weight:520;text-overflow:ellipsis;white-space:nowrap}
.progress.pending strong{color:var(--amber)}.progress.success strong{color:var(--green)}
.open{padding:0 13px;border:1px solid rgba(166,65,73,.42);background:transparent;color:var(--red);font-weight:600}
.open:hover:not(:disabled){border-color:var(--red);background:var(--red-bg);color:var(--red-strong)}
.open:disabled{border-color:var(--line);color:var(--muted)}
.device-actions{display:flex;align-items:center;gap:7px}.details-button{min-height:44px;padding:0 12px;border:1px solid var(--line-strong);border-radius:6px;background:var(--surface-2);color:var(--ink-2);font-weight:600}.details-button:hover{border-color:#5d6467;background:var(--surface-3)}
.loading-state,.empty{padding:36px 22px;color:var(--muted);text-align:center}

.compact-stats{margin-bottom:18px}.attention-list{min-height:120px}.attention-item{display:grid;grid-template-columns:10px minmax(0,1fr) auto;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line)}.attention-item:last-child{border-bottom:0}.attention-mark{width:8px;height:8px;border-radius:50%;background:var(--amber)}.attention-item.high .attention-mark{background:var(--red)}.attention-copy strong,.attention-copy small{display:block}.attention-copy strong{font-size:13px;font-weight:600}.attention-copy small{margin-top:4px;color:var(--muted);font-size:12px}.attention-time{color:var(--muted);font:10px/1.3 var(--mono)}.system-layout{padding-top:6px}.policy-tag.good{border-color:rgba(36,138,61,.25);background:var(--green-bg);color:var(--green)}.policy-tag.warn{border-color:rgba(148,98,0,.25);background:var(--amber-bg);color:var(--amber)}

/* Accounts and access */
.account-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin:0 0 18px}.account-toolbar h2{margin:0;font-size:20px;font-weight:600}.account-toolbar p:last-child{margin:5px 0 0;color:var(--muted);font-size:12px}.account-create{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;border:1px solid var(--blue);border-radius:6px;background:var(--blue);color:#fff;font-weight:650;transition:background var(--standard),border-color var(--standard),opacity var(--standard)}.account-create:hover{border-color:var(--blue-hover);background:var(--blue-hover)}.account-create:active{opacity:.74}.account-layout{display:grid;grid-template-columns:minmax(420px,.9fr) minmax(430px,1.1fr);gap:18px;margin-bottom:18px}.account-directory,.account-inspector{min-height:460px}.account-directory .panel-head{align-items:flex-end}.account-directory .search-box input{width:210px}.account-list{max-height:560px;overflow:auto}.account-row{width:100%;min-height:72px;display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 18px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;text-align:left;transition:background var(--fast)}.account-row:last-child{border-bottom:0}.account-row:hover{background:#f7f7f9}.account-row.active{background:#ededf0}.account-avatar{display:grid;width:38px;height:38px;place-items:center;border:1px solid var(--line-strong);border-radius:50%;background:var(--surface-2);font:600 12px var(--mono)}.account-copy{min-width:0}.account-copy strong,.account-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-copy strong{font-weight:600}.account-copy small{margin-top:3px;color:var(--muted);font:10px/1.3 var(--mono)}.role-label{padding:4px 7px;border:1px solid var(--line);border-radius:20px;color:var(--muted);font-size:10px}.account-empty{min-height:458px;display:grid;place-content:center;gap:6px;color:var(--muted);text-align:center}.account-empty strong{color:var(--ink-2);font-size:15px}.account-detail-head{display:flex;justify-content:space-between;gap:18px;padding:22px;border-bottom:1px solid var(--line)}.account-detail-head h3{margin:0;font-size:20px;font-weight:600}.account-detail-head p:last-child{margin:5px 0 0;color:var(--muted);font:11px var(--mono)}.account-meta{display:grid;grid-template-columns:1fr 1fr;margin:0;border-bottom:1px solid var(--line)}.account-meta div{padding:15px 22px}.account-meta div+div{border-left:1px solid var(--line)}.account-meta dt{color:var(--muted);font-size:10px}.account-meta dd{margin:4px 0 0;font:12px var(--mono)}.permission-head{padding:17px 22px 10px}.permission-head strong,.permission-head span{display:block}.permission-head span{margin-top:3px;color:var(--muted);font-size:11px}.permission-list{min-height:70px;border-top:1px solid var(--line)}.permission-item{min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 22px;border-bottom:1px solid var(--line)}.permission-item strong,.permission-item small{display:block}.permission-item strong{font-size:12px}.permission-item small{color:var(--muted);font:10px var(--mono)}.permission-remove,.text-danger{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--red);font-weight:600}.permission-remove:hover,.text-danger:hover{background:var(--red-bg)}.permission-add{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:14px 22px}.account-danger-zone{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-top:1px solid var(--line);background:var(--surface-2)}.request-panel{margin-top:18px}.request-list{min-height:100px}.request-row{display:grid;grid-template-columns:minmax(180px,1fr) minmax(180px,1fr) 110px 190px;align-items:center;gap:16px;min-height:68px;padding:11px 22px;border-bottom:1px solid var(--line)}.request-row:last-child{border-bottom:0}.request-person strong,.request-person small,.request-device strong,.request-device small{display:block}.request-person small,.request-device small{margin-top:3px;color:var(--muted);font-size:11px}.request-actions{display:flex;justify-content:flex-end;gap:7px}.request-approve,.request-reject{min-height:44px;padding:0 12px;border-radius:6px;font-weight:600}.request-approve{border:1px solid rgba(36,138,61,.35);background:var(--green-bg);color:var(--green)}.request-reject{border:1px solid var(--line-strong);background:var(--surface-2);color:var(--red)}.account-dialog{width:min(680px,calc(100% - 28px));padding:0;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.account-dialog::backdrop{background:rgba(0,0,0,.3);backdrop-filter:blur(6px)}.account-dialog form{padding:28px}.account-dialog h2{margin:0;font-size:22px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}.form-grid label,.account-dialog>form>label{display:grid;gap:7px;color:var(--ink-2);font-size:12px}.form-grid input,.form-grid select,.account-dialog>form>label input{width:100%}.form-wide{grid-column:1/-1}.dialog-copy{margin:18px 0;color:var(--muted)}

@media(max-width:1100px){.account-layout{grid-template-columns:1fr}.account-directory,.account-inspector{min-height:0}.account-list{max-height:360px}.account-empty{min-height:280px}}
@media(max-width:700px){.account-toolbar{align-items:stretch;flex-direction:column}.account-create{width:100%}.account-directory .panel-head{align-items:stretch}.account-directory .search-box,.account-directory .search-box input{width:100%}.account-meta,.form-grid{grid-template-columns:1fr}.account-meta div+div{border-left:0;border-top:1px solid var(--line)}.form-wide{grid-column:auto}.request-row{grid-template-columns:1fr}.request-actions{justify-content:flex-start}.permission-add{grid-template-columns:1fr}.permission-add .minor{width:100%}.account-danger-zone{align-items:stretch;flex-direction:column;gap:8px}.text-danger{width:100%}}

/* Records */
.table-wrap{overflow:auto;max-height:calc(100vh - 220px)}
table{width:100%;border-collapse:collapse}
th,td{height:52px;padding:11px 18px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{position:sticky;z-index:1;top:0;background:var(--surface-2);color:var(--muted);font:9px/1.2 var(--mono);text-transform:uppercase}
td{color:var(--ink-2);font-size:12px}td:first-child,td:nth-child(3){font-family:var(--mono);font-variant-numeric:tabular-nums}tbody tr:hover{background:#f8faf9}

/* Settings */
.settings-layout{display:grid;grid-template-columns:minmax(220px,.55fr) minmax(420px,1fr);gap:64px;padding:14px 0}
.settings-list{border-top:1px solid var(--line)}
.setting-row{position:relative;min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px;margin:0;padding:16px 2px;border-bottom:1px solid var(--line);color:var(--ink);cursor:pointer}
.setting-row strong,.setting-row small{display:block}.setting-row strong{font-size:13px;font-weight:580}.setting-row small{margin-top:5px;color:var(--muted);font-size:12px}
.setting-row input{position:absolute;width:1px;height:1px;opacity:0}
.toggle{position:relative;width:44px;height:24px;flex:0 0 auto;border:1px solid var(--line-strong);border-radius:20px;background:var(--surface-3);transition:background var(--standard),border-color var(--standard)}
.toggle:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#8e9598;transition:transform var(--standard) var(--ease),background var(--standard)}
.setting-row input:checked+.toggle{border-color:#477c65;background:var(--green-bg)}.setting-row input:checked+.toggle:after{background:var(--green);transform:translateX(19px)}
.setting-row input:focus-visible+.toggle{outline:2px solid var(--focus);outline-offset:3px}
.setting-row.static{cursor:default}.policy-tag{padding:5px 8px;border:1px solid var(--line);border-radius:4px;color:var(--muted);font:9px/1 var(--mono)}

/* Dialog and toast */
.confirm-dialog{width:min(480px,calc(100% - 32px));padding:0;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);box-shadow:0 30px 90px rgba(18,38,29,.32)}
.confirm-dialog::backdrop{background:rgba(18,31,25,.58)}
.confirm-dialog form{padding:28px}.dialog-mark{display:grid;width:34px;height:34px;margin-bottom:20px;place-items:center;border:1px solid rgba(223,119,124,.45);border-radius:50%;background:var(--red-bg);color:var(--red);font:700 15px var(--mono)}
.confirm-dialog h2{margin:0;font-size:20px}.confirm-dialog>form>p:not(.eyebrow){margin:8px 0 22px;color:var(--muted)}
.confirm-dialog dl{margin:0;border-top:1px solid var(--line)}.confirm-dialog dl div{display:grid;grid-template-columns:100px 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.confirm-dialog dt{color:var(--muted)}.confirm-dialog dd{margin:0;font-family:var(--mono);text-align:right}
.device-dialog{width:min(560px,calc(100% - 32px));padding:0;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);color:var(--ink);box-shadow:0 30px 90px rgba(18,38,29,.32)}.device-dialog::backdrop{background:rgba(18,31,25,.5)}.device-dialog form{padding:28px}.device-dialog h2{margin:0;font-size:22px}.device-detail-list{margin:24px 0 0;border-top:1px solid var(--line)}.device-detail-list div{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid var(--line)}.device-detail-list dt{color:var(--muted)}.device-detail-list dd{margin:0;color:var(--ink-2);font-family:var(--mono);text-align:right}
.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:24px}.danger{padding:0 16px;border:1px solid var(--red-strong);background:var(--red-strong);color:#fff;font-weight:650}.danger:hover{background:#cb5c63}
.toast{position:fixed;z-index:10;right:24px;bottom:24px;max-width:min(420px,calc(100% - 48px));padding:13px 16px;border:1px solid #3d594c;border-radius:6px;background:#18241f;color:#bce3cf;box-shadow:var(--shadow)}
.toast.error{border-color:#684044;background:#291a1c;color:#f1a9ad}

@media(max-width:1100px){
  .app{grid-template-columns:208px minmax(0,1fr)}main{padding:30px 26px 42px}
  .device-columns,.device{grid-template-columns:minmax(180px,1fr) 86px 100px minmax(170px,1fr) 178px;gap:12px}
  .panel-head{align-items:flex-start;flex-direction:column}.tools{width:100%}.search-box{flex:1}.search-box input{width:100%}
}
@media(max-width:800px){
  .welcome-header{padding:18px}.welcome-brand{gap:8px}.welcome-brand .school-logo{width:44px;height:44px}.school-name strong{font-size:15px}.welcome-brand .access-logo{width:36px;height:36px}.brand-divider{height:30px}.welcome-actions{gap:3px}.welcome-link{min-width:52px;padding:0 8px}.login-entry{gap:12px}
  .welcome-content{left:24px;top:48%;width:calc(100% - 48px)}.welcome-content h1{font-size:clamp(36px,9vw,56px)}.welcome-copy{font-size:14px}.welcome-status{gap:10px 16px}.scene-caption{display:none}
  .app{display:block}.sidebar{position:sticky;z-index:8;top:0;width:auto;height:64px;display:block;padding:6px 12px;border-right:0;border-bottom:1px solid var(--line)}
  .brand,.sidebar-foot{display:none}.sidebar nav{grid-template-columns:repeat(5,1fr);gap:3px}.nav{min-height:50px;flex-direction:column;justify-content:center;gap:2px;padding:3px 4px;font-size:10px}.nav-icon{font-size:16px}
  main{padding:22px 18px 32px}.topbar{align-items:flex-start;margin-bottom:24px}.sync-state,.divider{display:none}.topbar h1{font-size:22px}
  .stats{grid-template-columns:1fr 1fr}.stats article:nth-child(2){border-right:0}.stats article:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .device-columns{display:none}.device{grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:17px 18px}.device-name{grid-column:1}.tag{grid-column:2;grid-row:1}.lock-state{grid-column:1}.progress{grid-column:1}.open{grid-column:2;grid-row:2/4;min-width:108px}
  .settings-layout{grid-template-columns:1fr;gap:28px}.table-wrap{max-height:none}
}
@media(max-width:520px){
  .intro-view:before{background-position:50% 42%;opacity:.14}
  .intro-school-logo{top:calc(50% - 270px);width:56px;height:56px}.intro-school{top:calc(50% - 196px);font-size:36px}.intro-lock{transform:scale(.84)}.intro-access{top:calc(50% + 150px)}
  .welcome-brand{gap:6px}.welcome-brand .school-logo{width:38px;height:38px}.school-name strong{font-size:14px}.school-name small{font-size:6px}.welcome-brand .access-logo,.brand-divider{display:none}.welcome-link{min-width:46px;padding:0 5px;font-size:12px}.login-entry{padding:0 11px;font-size:12px}.login-entry span:last-child{display:none}.welcome-content{top:52%}.welcome-content h1{font-size:33px;line-height:1.12}.welcome-copy{margin:20px 0 24px}.welcome-status span:nth-child(3){display:none}.login-dialog form,.info-dialog-body{padding:24px 20px}.login-identity img{width:46px;height:46px}.info-list div{grid-template-columns:78px 1fr;gap:12px}
  main{padding-inline:14px}.topbar-meta{gap:8px}.user>span:last-child{display:none}
  .stats article{padding:15px}.stats strong{font-size:24px}.stats .small-value{font-size:14px}
  .panel-head{padding:18px}.tools{display:grid;grid-template-columns:1fr 1fr}.search-box{grid-column:1/-1}.tools .minor{grid-column:1}.tools .icon-button{grid-column:2;justify-self:end}.tools select{width:100%}
  .device{grid-template-columns:minmax(0,1fr);gap:10px}.tag,.lock-state,.progress,.device-actions{grid-column:1;grid-row:auto}.device-actions{display:grid;grid-template-columns:1fr 1fr}.open,.details-button{width:100%;margin-top:4px}.device-name strong{white-space:normal}.attention-item{grid-template-columns:10px minmax(0,1fr)}.attention-time{grid-column:2}.device-detail-list div{grid-template-columns:92px 1fr}
  .setting-row{gap:14px}.setting-row small{max-width:250px}.confirm-dialog form{padding:22px}.confirm-dialog dl div{grid-template-columns:82px 1fr}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.intro-school span,.intro-school-logo,.intro-access{opacity:1}.lock-scan{animation:none}.intro-view.is-unlocking{transition-delay:0ms}}

.directory-filters{display:flex;align-items:center;gap:8px}.directory-filters select{max-width:150px}.field-hint{min-height:30px;color:var(--muted);font-size:11px;line-height:1.45}
.student-access-panel{margin-top:18px}.student-access-form{display:grid;grid-template-columns:minmax(180px,1fr) minmax(180px,1.4fr) auto;gap:8px;padding:16px 22px;border-bottom:1px solid var(--line)}
@media(max-width:700px){.directory-filters{align-items:stretch;flex-direction:column}.account-directory .search-box,.account-directory .search-box input,.directory-filters select{width:100%;max-width:none}}
@media(max-width:700px){.student-access-form{grid-template-columns:1fr}.student-access-form button{width:100%}}