:root {
  --ink:#16332f;
  --green:#15564d;
  --green-2:#244f47;
  --leaf:#4e7d37;
  --lime:#d9f36f;
  --soft:#eef4e9;
  --cream:#f7f7f2;
  --white:#fff;
  --muted:#61716e;
  --line:#d7dfda;
  --red:#b52d22;
  --gold:#8b6418;
  --radius:18px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--cream);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);min-height:100vh}
a{color:inherit}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.65}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px;z-index:1000}.skip:focus{left:10px}
.site-header{max-width:1440px;margin:auto;min-height:84px;padding:18px 38px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);background:rgba(247,247,242,.97);position:sticky;top:0;z-index:50;backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;letter-spacing:-.6px;white-space:nowrap}.brand strong{font-weight:800}.flag-mark{display:grid;place-items:center;width:42px;height:42px;border:1px solid #e4c8c4;border-radius:12px;background:#fff;font-size:25px}
.site-header nav{display:flex;justify-content:center;gap:20px;flex:1;flex-wrap:wrap}.site-header nav a{color:var(--muted);font-size:13px;text-decoration:none;font-weight:650}.site-header nav a:hover{color:var(--green)}
#account-nav{display:flex;align-items:center;gap:8px}
.button{display:inline-flex;justify-content:center;align-items:center;text-align:center;gap:8px;padding:12px 19px;border-radius:10px;border:1px solid var(--green);background:var(--green);color:#fff;font-size:14px;font-weight:700;text-decoration:none;line-height:1.4}.button:hover{filter:brightness(1.08)}.button.secondary{background:transparent;color:var(--green);border-color:#a8b7ad}.button.light{color:var(--ink);background:var(--lime);border-color:var(--lime)}.button.danger{background:transparent;color:var(--red);border-color:#d9b8b3}.button.small{padding:8px 12px;font-size:12px}.button.text{padding:6px 4px;border-color:transparent;color:var(--green);background:transparent}
#mode-banner{text-align:center;padding:9px 24px;font-size:12px;color:#5b3e0c;background:#faedc9;border-bottom:1px solid #ead6a4}
.page{max-width:1200px;margin:auto;padding:56px 38px 84px}.page.narrow{max-width:820px}.eyebrow{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:2px;color:var(--green);margin:0 0 14px}h1,h2,h3,p{margin-top:0}h1{font-size:54px;line-height:1.08;letter-spacing:-2.4px;max-width:860px;margin-bottom:20px}h2{font-size:30px;line-height:1.18;letter-spacing:-1px;margin-bottom:17px}h3{font-size:19px;line-height:1.3;letter-spacing:-.3px}.lead{font-size:18px;line-height:1.65;max-width:720px;color:var(--muted)}p{line-height:1.65;color:var(--muted)}
.hero{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:64px;padding:22px 0 44px}.hero h1{font-size:66px;letter-spacing:-3.5px}.hero h1 em{font-style:normal;color:var(--leaf)}.pill{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:750;padding:7px 12px;background:var(--soft);border-radius:24px;color:var(--green);margin-bottom:23px}.pill::before{content:'🍁';font-size:14px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.hero .actions{margin:26px 0 20px}.hero-proof{display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--muted)}
.study-board{background:var(--green);border-radius:28px;padding:31px;min-height:410px;color:#fff;box-shadow:0 16px 0 #e1e8d8;transform:rotate(1deg)}.study-board .board-label{display:flex;justify-content:space-between;color:#c9dfce;font-size:10px;text-transform:uppercase;letter-spacing:1.5px;border-bottom:1px solid #55766f;padding-bottom:20px}.equation{font-family:Georgia,serif;font-size:45px;color:#ecf4df;margin:39px 0 24px}.board-step{font-family:Georgia,serif;font-size:22px;padding:7px 0;color:#c9d9ce}.board-answer{display:inline-block;background:var(--lime);color:var(--green);padding:9px 20px;border-radius:9px;font-family:Georgia,serif;font-size:24px;margin-top:14px}.board-note{margin-top:19px;color:#c7d9ca;font-size:12px}
.section{margin-top:68px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading h2{margin:0}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:26px}.card p:last-child{margin-bottom:0}.card-number{font-size:11px;color:#6d806c;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:20px;letter-spacing:1px}.subject-tag{color:var(--green);background:var(--soft);display:inline-block;padding:4px 9px;font-size:10px;border-radius:18px;margin-bottom:14px}.callout{border-radius:24px;padding:38px;background:var(--green);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:28px}.callout p{color:#d3e2d3;margin:0}.callout h2{color:#fff;margin-bottom:9px}.rate-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.rate-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.rate-card strong{display:block;font-size:28px;margin:6px 0}.rate-card span{font-size:12px;color:var(--muted)}
.tutor-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:stretch}.tutor-profile{display:flex;flex-direction:column;overflow:hidden;padding:0}.tutor-portrait{width:100%;aspect-ratio:4/4.25;object-fit:cover;background:var(--soft);border-bottom:1px solid var(--line)}.tutor-body{padding:30px}.tutor-body h2{font-size:36px}.course-list{display:grid;gap:10px;margin:22px 0}.course-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--line)}.course-row strong{font-size:14px}.course-row span{text-align:right;font-size:12px;color:var(--muted)}
.package-card{border:2px solid var(--green);background:linear-gradient(145deg,#fff,#f3f7ec)}.package-gifts{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.gift-pill{background:var(--soft);color:var(--green);border-radius:999px;padding:7px 11px;font-size:12px;font-weight:700}.no-refund{border-left:4px solid var(--red);padding-left:14px;color:#78342c}
.stack{display:grid;gap:17px}.auth-card{max-width:510px;margin:0 auto}.auth-card h1{font-size:37px;letter-spacing:-1.4px}form{display:grid;gap:16px}label{display:grid;gap:7px;font-size:13px;font-weight:700}input,select,textarea{border:1px solid #bccbc2;border-radius:9px;padding:12px 13px;width:100%;background:#fff;color:var(--ink);font-size:14px}textarea{min-height:100px;resize:vertical}input[type=checkbox]{width:17px;height:17px}.check-label{display:flex;align-items:flex-start;gap:10px;font-weight:600}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.auth-links{display:flex;justify-content:space-between;gap:14px;margin-top:20px;font-size:13px;flex-wrap:wrap}.notice{padding:16px 19px;background:var(--soft);border:1px solid #d2dfc9;border-radius:11px;color:#40533d;font-size:13px;margin-bottom:20px}.notice.warning{background:#f8edde;border-color:#edd1ab;color:#6d4919}.notice.danger{background:#f7e7e5;border-color:#e4bab5;color:#7d3027}.notice.info{background:#eaf3f5;border-color:#c9dde2;color:#31555f}.subtle{font-size:12px;color:var(--muted)}.empty{text-align:center;padding:42px 26px;border:1px dashed #b5c5b9;border-radius:17px}.slot-meta{color:var(--green);font-size:13px;font-weight:700}.price{font-size:29px;font-weight:800;margin:17px 0;letter-spacing:-1px}.price span{font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}
.slot-card .tutor-mini{display:flex;align-items:center;gap:10px;margin-bottom:14px}.tutor-mini .mini-avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-weight:800}.mode-badges{display:flex;gap:6px;flex-wrap:wrap}.mode-badge{font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.6px;background:var(--soft);padding:4px 7px;border-radius:999px}
.dashboard-head{display:flex;justify-content:space-between;align-items:start;gap:24px;margin-bottom:28px}.dashboard-head h1{font-size:43px}.summary-bar{display:flex;align-items:center;gap:28px;padding:17px 22px;background:var(--soft);border-radius:13px;margin-bottom:28px;flex-wrap:wrap}.summary-bar strong{font-size:24px;padding-right:5px}.booking-head{display:flex;justify-content:space-between;align-items:start;gap:13px}.status{white-space:nowrap;font-size:10px;text-transform:uppercase;letter-spacing:.7px;font-weight:800;color:var(--green);background:var(--soft);border-radius:30px;padding:5px 9px}.status.pending,.status.payment_review{background:#fcf0d2;color:#865b0d}.status.cancelled,.status.cancelled_no_refund,.status.payment_reversed{background:#f1e8e5;color:#7b3f36}.note{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.note p{white-space:pre-wrap;overflow-wrap:anywhere}.note h4{margin:0 0 7px}progress{width:100%;height:11px;accent-color:var(--green)}details{margin-top:18px}summary{cursor:pointer;font-size:13px;font-weight:700;margin-bottom:14px}.booking-card .actions{margin-top:20px}.admin-layout{display:grid;grid-template-columns:350px 1fr;align-items:start;gap:26px}.admin-layout aside{position:sticky;top:108px}.admin-slot{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line)}.admin-slot p{font-size:12px;margin:0}.resource-link{font-size:13px}.prose p{line-height:1.8}.prose h2{margin-top:34px;font-size:24px}.prose ul{color:var(--muted);padding-left:21px}.contract-box{border:2px solid #d8c36d;background:#fffced}.contract-box .contract-text{max-height:320px;overflow:auto;padding:14px;background:#fff;border:1px solid #eadfae;border-radius:10px}.contract-box strong{color:#573f08}.month-plan{border-left:4px solid var(--green)}
.classroom-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.65fr);gap:20px;align-items:start}.video-shell{background:#0c1e1b;border-radius:18px;overflow:hidden;min-height:600px}.jitsi-frame{width:100%;height:680px;border:0;display:block;background:#0c1e1b}.classroom-side{display:grid;gap:16px;position:sticky;top:108px}.transcript-box{max-height:310px;overflow:auto;background:#f8faf7;border:1px solid var(--line);border-radius:10px;padding:12px}.transcript-line{padding:8px 0;border-bottom:1px solid #e2e8e3;font-size:12px}.transcript-line:last-child{border-bottom:0}.transcript-line strong{display:block;color:var(--green);margin-bottom:2px}.transcript-live{min-height:54px;padding:9px;border:1px dashed #a9bbb0;border-radius:9px;background:#fff;font-size:12px;color:var(--muted)}
.data-table{width:100%;border-collapse:collapse;font-size:12px}.data-table th,.data-table td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{color:var(--muted);font-weight:700}.table-wrap{overflow:auto}.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.break{overflow-wrap:anywhere}.toast{position:fixed;bottom:23px;left:50%;transform:translateX(-50%);max-width:min(680px,calc(100% - 28px));width:max-content;background:var(--green);color:#fff;padding:14px 22px;border-radius:12px;box-shadow:0 10px 40px #0002;font-size:13px;z-index:90}.toast.error{background:#843a31}.site-footer{max-width:1200px;margin:0 auto;padding:33px 38px 38px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:28px;align-items:center;font-size:11px;color:var(--muted)}.site-footer p{margin:5px 0 0}.site-footer>div:last-child{display:flex;flex-wrap:wrap;gap:18px;align-items:center}.footer-brand{font-size:16px}
code{background:#eef1ec;padding:2px 5px;border-radius:5px}
@media(max-width:1050px){.site-header{padding-inline:24px;gap:16px}.site-header nav{gap:13px}.hero{gap:34px}.hero h1{font-size:53px}.equation{font-size:37px}.admin-layout{grid-template-columns:300px 1fr}.classroom-layout{grid-template-columns:1fr}.classroom-side{position:static}.jitsi-frame{height:600px}}
@media(max-width:780px){.site-header{flex-wrap:wrap;min-height:96px;padding:14px 20px}.site-header nav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}.site-header nav a{white-space:nowrap}.brand{font-size:17px}.flag-mark{width:35px;height:35px;font-size:21px}#account-nav{margin-left:auto}.page{padding:38px 20px 58px}.hero{grid-template-columns:1fr;gap:30px;padding-top:0}.hero h1{font-size:49px}.study-board{min-height:340px;transform:none}.equation{margin-top:25px}.grid,.grid.two,.tutor-grid,.rate-strip,.split{grid-template-columns:1fr}.callout{flex-direction:column;align-items:start;padding:28px}h1{font-size:40px}h2{font-size:27px}.section{margin-top:48px}.section-heading{align-items:start}.admin-layout{grid-template-columns:1fr}.admin-layout aside{position:static}.dashboard-head{flex-direction:column}.dashboard-head h1{font-size:36px}.form-row{grid-template-columns:1fr}.site-footer{padding:26px 20px;flex-direction:column;align-items:start}.jitsi-frame{height:520px}}
@media(prefers-reduced-motion:no-preference){.button{transition:filter .15s,background .15s}.card{transition:transform .15s}.slot-card:hover{transform:translateY(-2px)}}