:root{--ink:#16231f;--muted:#6d7b76;--line:#dde6e1;--paper:#f4f7f4;--white:#fff;--green:#176b4d;--lime:#c6f04d;--red:#b53d3d;--shadow:0 18px 50px rgba(18,49,39,.1)}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#102e25;color:white;padding:28px 20px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px}.brand>span{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--lime);color:#102e25;font-weight:900}.brand strong{display:flex;flex-direction:column}.brand small{font-weight:500;opacity:.6;margin-top:2px}.sidebar nav{display:grid;gap:7px;margin-top:42px}.sidebar nav a{padding:13px 15px;border-radius:12px;color:#c8d8d2}.sidebar nav a:hover,.sidebar nav a.active{color:white;background:#1b4436}.user{margin-top:auto;border-top:1px solid #315247;padding-top:18px;display:flex;justify-content:space-between}.user a{color:var(--lime)}.main{padding:42px;min-width:0}.public{min-height:100vh;padding:34px max(24px,6vw);background:radial-gradient(circle at 15% 20%,#e0f7a8 0,transparent 30%),var(--paper)}.public-brand{max-width:1200px;margin:auto}.top{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.top h1,.hero h1,.portal h1{margin:5px 0;font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-.05em}.top p,.hero p,.portal p{color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:.75rem;font-weight:800;color:var(--green)}.panel{background:var(--white);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:12px 18px;font-weight:800;cursor:pointer}.primary{background:var(--green);color:white}.primary:hover{background:#10563d}.ghost{background:#edf2ef;color:var(--ink)}.wide{width:100%}.login-grid{max-width:1120px;margin:9vh auto 0;display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}.hero h1{font-size:clamp(3rem,7vw,6rem);line-height:.9}.hero em{color:var(--green);font-style:normal}.login{padding:36px}.login h2{font-size:2rem;margin-bottom:5px}.login label,.form label{display:grid;gap:7px;font-weight:700;margin-top:17px}.login input,.form input,.form select,.form textarea,.lookup input,.lesson form input{width:100%;padding:13px;border:1px solid #ccd8d2;border-radius:10px;background:#fbfcfb}.login .btn{margin-top:22px}.student-link{display:block;text-align:center;margin-top:20px;color:var(--green);font-weight:700}.portal{max-width:850px;margin:8vh auto}.lookup{display:flex;gap:10px;margin:25px 0 35px}.lookup input{font-size:1.25rem;text-transform:uppercase;letter-spacing:.15em}.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.card,.lesson{padding:24px}.lesson{display:grid;gap:20px}.lesson form{display:grid;gap:10px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.metrics>div{padding:22px;background:white;border:1px solid var(--line);border-radius:18px}.metrics span,.metrics small{display:block;color:var(--muted)}.metrics strong{display:block;font-size:2.4rem;margin:6px 0}.section-head{display:flex;justify-content:space-between;align-items:center;padding:8px 22px}.section-head a,.back{color:var(--green);font-weight:800}.table{overflow:auto}.table table,table{width:100%;border-collapse:collapse}.table th,.table td,th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}th{font-size:.75rem;text-transform:uppercase;color:var(--muted)}td small,td b{display:block}.actions{display:flex;align-items:center;gap:10px}.actions a,.actions button{border:0;background:none;color:var(--green);font-weight:700;cursor:pointer;padding:0}.actions button{color:var(--red)}.form{max-width:850px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.form .full,.form-actions{grid-column:1/-1}.form textarea{min-height:110px;resize:vertical}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.form .check{display:flex;align-items:center;gap:9px}.form .check input{width:auto}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.filters a{padding:9px 13px;background:white;border:1px solid var(--line);border-radius:999px}.status{display:inline-block;padding:5px 9px;border-radius:99px;font-size:.75rem;font-weight:800;background:#eaf0ed}.status-confirmed,.status-completed{background:#d9f4e4;color:#176b4d}.status-declined,.status-cancelled{background:#fde1e1;color:#9a3030}.status-scheduled{background:#fff0bf;color:#795d00}.flash,.empty{padding:15px 18px;margin:18px 0;border-radius:12px;background:#dff5e8;color:#175b42}.flash.error{background:#fde4e4;color:#8a2929}.empty{text-align:center;color:var(--muted)}code{background:#edf2ef;padding:5px 8px;border-radius:7px}.week-nav{display:flex;justify-content:space-between;gap:10px;margin-bottom:16px}.calendar-wrap{overflow:auto}.calendar{min-width:1050px;table-layout:fixed}.calendar th,.calendar td{border:1px solid var(--line);padding:7px;vertical-align:top}.calendar thead th{background:#f5f8f6;text-align:center}.calendar thead th:first-child{width:76px}.calendar th small{display:block;margin-top:4px}.calendar tbody th{text-align:center;background:#fafcfb}.calendar td{height:78px;position:relative}.slot-add{position:absolute;right:5px;top:3px;color:#a1afa9;font-weight:900;padding:2px 6px}.slot-add:hover{color:var(--green)}.calendar-event{display:block;margin:16px 0 3px;padding:7px;border-radius:8px;background:#fff1bd;color:#6d5400;border-left:3px solid #d6a900;font-size:.72rem}.calendar-event strong,.calendar-event small{display:block}.calendar-event.status-confirmed,.calendar-event.status-completed{background:#daf3e4;color:#155c42;border-color:#2f9a70}.calendar-event.status-declined,.calendar-event.status-cancelled{background:#fde3e3;color:#8d3030;border-color:#ce5555}@media(max-width:850px){.shell{display:block}.sidebar{position:static;height:auto;padding:18px}.sidebar nav{margin-top:20px;grid-template-columns:repeat(2,1fr)}.user{margin-top:15px}.main{padding:24px}.login-grid{grid-template-columns:1fr;margin-top:5vh;gap:25px}.hero h1{font-size:3.5rem}.metrics{grid-template-columns:repeat(2,1fr)}.form{grid-template-columns:1fr}.form label,.form .full,.form-actions{grid-column:1}.top{align-items:flex-start;flex-direction:column}.lookup{flex-direction:column}.week-nav{overflow:auto;justify-content:flex-start}.week-nav .btn{white-space:nowrap}}@media(max-width:480px){.metrics{grid-template-columns:1fr}.main{padding:16px}.public{padding:22px 16px}.hero h1{font-size:2.8rem}.sidebar nav{grid-template-columns:1fr 1fr}}
.calendar-event.continuation{margin-top:3px;border-style:dashed;opacity:.85}.form.single{grid-template-columns:1fr}.student-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.report-title{display:none}.filters label{display:flex;align-items:center;gap:7px}.filters input{padding:9px;border:1px solid var(--line);border-radius:9px}@media print{.sidebar,.no-print,.user{display:none!important}.shell{display:block}.main,.public{padding:0;background:white}.panel{box-shadow:none}.report-title{display:block}.metrics{grid-template-columns:repeat(4,1fr)}body{background:white}}
.status-scheduled{background:#fff0bf;color:#795d00}.status-confirmed{background:#dcecff;color:#185a8d}.status-completed{background:#d9f4e4;color:#176b4d}.status-declined{background:#ece7f7;color:#67458f}.status-cancelled{background:#fde1e1;color:#9a3030}.calendar-event.status-confirmed{background:#dcecff;color:#185a8d;border-color:#3b82b8}.calendar-event.status-completed{background:#daf3e4;color:#155c42;border-color:#2f9a70}.calendar-event.status-declined{background:#ece7f7;color:#67458f;border-color:#8864aa}.calendar-event.status-cancelled{background:#fde3e3;color:#8d3030;border-color:#ce5555}.account-password{margin-top:24px}.flash small{overflow-wrap:anywhere}.actions form{display:inline-flex}
.login-grid.personalized{max-width:1280px;grid-template-columns:minmax(0,1.45fr) minmax(340px,.55fr);gap:28px}.login-grid.personalized .hero{min-height:650px;border-radius:28px;padding:clamp(28px,5vw,64px);background-size:cover;background-position:center;display:flex;align-items:flex-end;color:white;box-shadow:var(--shadow);overflow:hidden}.login-grid.personalized .hero:not(.has-photo){background:linear-gradient(135deg,#102e25,#176b4d)}.login-grid.personalized .hero h1{max-width:800px;font-size:clamp(2.7rem,5vw,5.5rem);line-height:.95}.login-grid.personalized .hero p{max-width:700px;color:#e8f0ec;font-size:1.08rem;line-height:1.65}.login-grid.personalized .eyebrow{color:var(--lime)}.instructor-logo{display:block;max-width:190px;max-height:105px;object-fit:contain;margin-bottom:28px;padding:10px;border-radius:14px;background:rgba(255,255,255,.94)}.public-details{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.public-details span{padding:8px 11px;border:1px solid rgba(255,255,255,.35);border-radius:999px;font-size:.85rem}.contact{background:var(--lime);color:#102e25}.upload-preview{display:block;width:100%;max-width:360px;height:180px;object-fit:cover;border-radius:14px;margin-top:12px;border:1px solid var(--line)}.upload-preview.logo-preview{object-fit:contain;background:#f3f6f4}.form label small{color:var(--muted);font-weight:500}@media(max-width:900px){.login-grid.personalized{grid-template-columns:1fr}.login-grid.personalized .hero{min-height:520px}.login-grid.personalized .login{max-width:none}}
.login-help{display:block;margin-top:18px;text-align:center;color:var(--muted);line-height:1.45}.admin-create{margin-bottom:26px}.admin-create .form-actions{grid-column:auto;align-items:end}.admin-create .form-actions .btn{width:100%}.danger{background:#b53d3d;color:white}.cancel-lesson{max-width:850px;margin-top:14px;display:flex;justify-content:flex-end}@media(max-width:850px){.admin-create .form-actions{grid-column:1}}