:root{--navy:#071624;--navy2:#10283b;--teal:#18a999;--teal2:#2dd4bf;--ink:#13222e;--muted:#667784;--line:#d8e1e6;--bg:#f3f6f7;--white:#fff;--amber:#b86b00;--shadow:0 14px 40px rgba(7,22,36,.09)}*{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.2fr .8fr;background:var(--navy);color:white}.login-brand{padding:9vw;display:flex;gap:28px;align-items:center;background:radial-gradient(circle at 30% 30%,#174862 0,transparent 42%),linear-gradient(145deg,#071624,#0a2233)}.brand-mark{width:80px;height:80px;border:2px solid var(--teal2);border-radius:22px;display:grid;place-items:center;color:var(--teal2);font-size:2.2rem;font-weight:800;flex:none}.brand-mark.small{width:45px;height:45px;border-radius:12px;font-size:1.25rem}.eyebrow{font-size:.73rem;font-weight:800;letter-spacing:.16em;color:var(--teal);margin:0 0 8px}.login-brand h1{font-size:clamp(2.5rem,5vw,5.7rem);line-height:.96;margin:0;letter-spacing:-.055em}.login-copy{color:#b8c8d2;max-width:540px;font-size:1.1rem;line-height:1.6}.login-card{background:white;color:var(--ink);margin:auto;width:min(430px,86%);padding:42px;border-radius:24px;box-shadow:var(--shadow)}.login-card h2{font-size:2rem;margin:20px 0 8px}.login-card>p{color:var(--muted);line-height:1.5}.demo-pill{font-size:.7rem;font-weight:800;letter-spacing:.12em;color:#0b756b;background:#def7f3;padding:8px 10px;border-radius:999px}.login-card label{display:grid;gap:7px;margin:18px 0;font-size:.85rem;font-weight:750}.login-card input,.form-grid input,.form-grid select,textarea{border:1px solid var(--line);padding:13px 14px;border-radius:10px;outline:none}.login-card input:focus,input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(24,169,153,.15)}.primary,.secondary{border:0;border-radius:10px;padding:12px 16px;font-weight:750;cursor:pointer}.primary{background:var(--teal);color:white}.secondary{background:#edf3f5;color:var(--ink)}.wide{width:100%;margin:8px 0 14px}.login-card small{color:var(--muted)}.error{color:#b42318!important;min-height:20px}.app{min-height:100vh;display:grid;grid-template-columns:230px 1fr}.sidebar{background:var(--navy);color:white;padding:22px 16px;position:fixed;inset:0 auto 0 0;width:230px;display:flex;flex-direction:column}.side-brand{display:flex;align-items:center;gap:12px;padding:0 6px 25px}.side-brand div{display:grid}.side-brand small{color:#8ba2b1;margin-top:3px}nav{display:grid;gap:5px}.nav-item{border:0;background:transparent;color:#b6c5ce;text-align:left;padding:12px;border-radius:9px;cursor:pointer;display:grid;grid-template-columns:24px 1fr auto;align-items:center;font-weight:650}.nav-item:hover,.nav-item.active{background:#18364a;color:white}.nav-item.active{box-shadow:inset 3px 0 var(--teal2)}.nav-item em{font-size:.6rem;font-style:normal;color:#69808e}.side-foot{margin-top:auto;display:grid;gap:8px}.text-button{border:0;background:transparent;color:#91a6b2;text-align:left;padding:7px;cursor:pointer}.app main{grid-column:2;min-width:0}.topbar{height:82px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}.topbar h2{margin:0;font-size:1.35rem}.top-actions{display:flex;align-items:center;gap:12px}.live-badge{font-size:.78rem;color:#40614f;background:#eef8f2;border:1px solid #d9eee0;padding:8px 10px;border-radius:999px}.live-badge i{display:inline-block;width:7px;height:7px;border-radius:50%;background:#21a85b;margin-right:6px}.shortcut{border:1px solid var(--line);background:white;border-radius:8px;padding:7px 9px;color:var(--muted)}.avatar{width:37px;height:37px;border-radius:50%;background:var(--navy);color:white;display:grid;place-items:center;font-size:.75rem;font-weight:800}.user{display:grid}.user small{color:var(--muted);font-size:.72rem}.view{display:none;padding:24px}.active-view{display:block}.status-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:18px}.status-strip div{background:white;padding:16px 18px;display:grid;gap:5px}.status-strip span{font-size:.76rem;color:var(--muted)}.status-strip b{font-size:1.25rem}.amber{color:var(--amber)}.workspace-grid{display:grid;grid-template-columns:minmax(520px,1.55fr) minmax(350px,.85fr);gap:18px}.panel{background:white;border:1px solid var(--line);border-radius:16px;box-shadow:0 4px 20px rgba(7,22,36,.04);overflow:hidden}.panel-head{padding:18px 19px 14px;display:flex;align-items:center;justify-content:space-between}.panel-head h3{margin:0;font-size:1.1rem}.segmented{display:flex;background:#eef3f5;padding:3px;border-radius:9px}.segmented button{border:0;background:transparent;padding:7px 9px;border-radius:7px;font-size:.73rem;color:var(--muted)}.segmented .active{background:white;color:var(--ink);box-shadow:0 2px 6px rgba(0,0,0,.08)}.map{position:relative;height:clamp(420px,67vh,660px);background:#eaf0f2;overflow:hidden}.map svg{width:100%;height:100%;display:block}.blocks path{fill:#f8fafb;stroke:#cad5da;stroke-width:1}.streets path{stroke:#fff;stroke-width:14;fill:none}.streets .avenue{stroke:#fff;stroke-width:10}.water{fill:#a9d8e4}.route path{fill:none;stroke-width:7;stroke-linecap:round;stroke-linejoin:round}.route-blue path{stroke:#3478c4}.route-blue circle{fill:#3478c4;stroke:white;stroke-width:3}.route-gold path{stroke:#d38a18}.route-gold circle{fill:#d38a18;stroke:white;stroke-width:3}.school rect{fill:var(--navy)}.school text{fill:white;font-size:9px;text-anchor:middle;font-weight:800}.bus circle{fill:var(--teal);stroke:white;stroke-width:4}.bus text{fill:white;text-anchor:middle;font-weight:900;font-size:12px}.map-labels text{fill:#7b8b95;font-size:11px;font-weight:600}.map-key{position:absolute;left:16px;bottom:15px;background:rgba(255,255,255,.92);display:flex;gap:14px;padding:9px 12px;border-radius:9px;font-size:.72rem;box-shadow:var(--shadow)}.map-key i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}.map-key .blue{background:#3478c4}.map-key .gold{background:#d38a18}.search-row{margin:0 18px 12px;position:relative}.search-row input{width:100%;border:1px solid var(--line);padding:11px 42px 11px 12px;border-radius:9px}.search-row kbd{position:absolute;right:9px;top:9px;font-size:.68rem;color:var(--muted);border:1px solid var(--line);padding:3px 5px;border-radius:5px}.student-list{max-height:clamp(355px,59vh,585px);overflow:auto;border-top:1px solid var(--line)}.student-row{width:100%;border:0;border-bottom:1px solid #e7edef;background:white;text-align:left;padding:14px 17px;cursor:pointer;display:grid;grid-template-columns:40px 1fr auto;gap:11px;align-items:center}.student-row:hover{background:#f4faf9}.initial{width:38px;height:38px;border-radius:11px;background:#e8f6f4;color:#087d72;display:grid;place-items:center;font-size:.75rem;font-weight:850}.student-row b{display:block;font-size:.88rem}.student-row small{color:var(--muted);font-size:.72rem}.route-tag{font-size:.67rem;font-weight:800;color:#275c95;background:#e8f1fb;padding:5px 7px;border-radius:7px}dialog{border:0;border-radius:18px;padding:0;width:min(760px,92vw);box-shadow:0 30px 90px rgba(0,0,0,.28)}dialog::backdrop{background:rgba(3,15,24,.66)}dialog form{padding:25px}.dialog-head{display:flex;justify-content:space-between;align-items:start}.dialog-head h2{margin:0}.icon-button{border:0;background:#eef3f5;width:34px;height:34px;border-radius:50%;font-size:1.4rem;cursor:pointer}.student-summary{margin:18px 0;background:#f4f7f8;border-left:4px solid var(--teal);padding:13px 15px;border-radius:8px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label,dialog form>label{display:grid;gap:6px;font-size:.8rem;font-weight:750}.form-grid input,.form-grid select{width:100%}textarea{min-height:80px;resize:vertical;margin-top:6px}.impact-card{margin-top:18px;border:1px solid #bfe2dd;background:#f1fbf9;border-radius:13px;padding:16px}.impact-card h3{margin:0 0 12px}.impact-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.impact-grid span{background:white;border:1px solid #d6ebe8;border-radius:8px;padding:9px;font-size:.73rem}.impact-grid b{display:block;color:#087d72;margin-bottom:3px}.validation{font-size:.73rem;color:#35675e;margin:12px 0 0}.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}.toast{position:fixed;right:24px;bottom:24px;background:var(--navy);color:white;padding:14px 18px;border-radius:10px;box-shadow:var(--shadow);transform:translateY(100px);opacity:0;transition:.25s;z-index:20}.toast.show{transform:none;opacity:1}.palette{width:min(560px,90vw);padding:12px;background:var(--navy2)}.palette input{width:100%;border:1px solid #365269;background:#0c2030;color:white;padding:15px;border-radius:9px;margin-bottom:8px}.palette button{width:100%;border:0;background:transparent;color:#dce7ed;padding:12px;text-align:left;border-radius:8px;display:flex;justify-content:space-between}.palette button:hover{background:#1b3d52}.palette kbd{color:#8299a7}.generic-page{max-width:1100px;margin:auto}.generic-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}.generic-head h2{font-size:2rem;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.info-card{background:white;border:1px solid var(--line);border-radius:14px;padding:19px;min-height:135px}.info-card b{font-size:1.35rem}.info-card p{color:var(--muted);font-size:.86rem;line-height:1.5}.restricted-card{max-width:620px;margin:10vh auto;background:white;border:1px solid var(--line);border-radius:18px;text-align:center;padding:45px}.restricted-card .lock{font-size:2.5rem}.restricted-card p{color:var(--muted);line-height:1.6}@media(max-width:1050px){.workspace-grid{grid-template-columns:1fr}.map{height:480px}.student-list{max-height:400px}}@media(max-width:760px){.login-shell{grid-template-columns:1fr}.login-brand{display:none}.app{display:block}.sidebar{position:static;width:auto;height:auto}.sidebar nav{grid-template-columns:repeat(4,1fr)}.nav-item{display:block;text-align:center;font-size:.72rem}.nav-item em{display:none}.side-foot{display:none}.app main{grid-column:auto}.topbar{padding:0 14px}.user,.live-badge{display:none}.view{padding:12px}.status-strip{grid-template-columns:1fr 1fr}.workspace-grid{display:block}.roster-panel{margin-top:12px}.map{height:380px}.form-grid,.impact-grid,.cards{grid-template-columns:1fr}.top-actions{gap:6px}}