@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
    :root{--ink:#122440;--muted:#6c7b91;--blue:#3869ef;--blue-dark:#2453d4;--pale:#eef3ff;--line:#e6ebf2;--paper:#fff;--bg:#f6f8fc;--green:#218866;--amber:#ad741b;--shadow:0 24px 70px #14284a12}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;-webkit-font-smoothing:antialiased}
    body.modal-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button,a{ -webkit-tap-highlight-color:transparent}
    button{color:inherit}
    .wrap{width:min(1160px,calc(100% - 48px));margin:auto}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:11px;font-family:Manrope,sans-serif;font-size:14px;font-weight:800;letter-spacing:-.04em}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--blue);color:white;border-radius:11px;font-family:Georgia,serif;font-size:19px;font-style:italic;box-shadow:0 6px 14px #3869ef35}
    .top-links{display:flex;align-items:center;gap:30px;color:#53647b;font-size:13px;font-weight:600}
    .top-links a:hover,.text-link:hover{color:var(--blue)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:11px;background:var(--blue);color:#fff;font-size:13px;font-weight:700;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
    .button:hover{background:var(--blue-dark);box-shadow:0 9px 20px #3869ef2b;transform:translateY(-1px)}
    .button.secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .button.secondary:hover{border-color:#ccd6e6;background:#fbfcff;box-shadow:none}
    .button.small{min-height:39px;padding:0 14px;font-size:12px}
    .button:disabled{opacity:.52;cursor:not-allowed;transform:none;box-shadow:none}
    .hero{position:relative;isolation:isolate;overflow:hidden;margin-top:15px;padding:76px 0 82px;border:1px solid #e9eef6;border-radius:26px 26px 0 0;background:linear-gradient(120deg,#fff 5%,#fff 47%,#eef3ff 100%);box-shadow:0 18px 55px #12244008}
    .hero:before,.hero:after{position:absolute;z-index:-1;content:"";border:1px solid #3869ef11;border-radius:50%}
    .hero:before{width:590px;height:590px;right:-90px;top:-210px;box-shadow:0 0 0 44px #3869ef05,0 0 0 91px #3869ef04}
    .hero:after{width:420px;height:420px;right:-5px;top:-126px;background:radial-gradient(circle at 50% 45%,#dce6ffad,transparent 68%)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
    .hero-copy{position:relative;z-index:1}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
    .eyebrow:before{content:"";width:20px;height:1px;background:currentColor}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:660px;margin:23px 0 18px;font-family:Manrope,sans-serif;font-size:clamp(43px,6vw,72px);font-weight:700;letter-spacing:-.075em;line-height:1.02}
    h1 .accent{color:var(--blue)}
    .hero-copy>p{max-width:440px;margin:0;color:var(--muted);font-size:15px;line-height:1.85}
    .hero-actions{display:flex;align-items:center;gap:13px;margin-top:29px}
    .hero-caption{display:flex;align-items:center;gap:9px;margin-top:22px;color:#8290a3;font-size:11px}
    .hero-caption svg{color:var(--green)}
    .hero-art{position:relative;min-height:360px;display:grid;place-items:center}
    .orbit{position:absolute;width:min(340px,84%);aspect-ratio:1;border:1px solid #a9bcf055;border-radius:50%;box-shadow:0 0 0 28px #ffffff88,0 0 0 29px #a9bcf033}
    .art-sheet{position:relative;width:224px;height:273px;padding:26px 24px;border:1px solid #e6ecf9;border-radius:21px;background:#fff;box-shadow:0 32px 70px #20376220;transform:rotate(-5deg)}
    .sheet-kicker{color:#8290a3;font-size:9px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .sheet-title{margin:22px 0 17px;font-family:Manrope,sans-serif;font-size:27px;font-weight:800;letter-spacing:-.07em;line-height:1.08}
    .sheet-title span{color:var(--blue)}
    .sheet-line{height:6px;margin:9px 0;border-radius:8px;background:#edf1f7}
    .sheet-line.short{width:66%}
    .sheet-line.mid{width:84%}
    .sheet-rule{height:45px;margin-top:20px;padding:12px;border:1px solid #e6ebf4;border-radius:9px;color:#566a8c;font-family:Georgia,serif;font-size:11px;line-height:1.7}
    .sheet-tag{position:absolute;right:18px;bottom:17px;padding:7px 9px;border-radius:7px;background:#eff4ff;color:var(--blue);font-size:8px;font-weight:800;letter-spacing:.08em}
    .float-card{position:absolute;display:flex;align-items:center;gap:11px;padding:13px 15px;border:1px solid #eaf0f8;border-radius:13px;background:#fff;box-shadow:0 12px 35px #20376215}
    .float-card.top{top:42px;right:2px}
    .float-card.bottom{bottom:31px;left:0}
    .float-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#eff4ff;color:var(--blue)}
    .float-card strong{display:block;font-size:11px}
    .float-card small{display:block;margin-top:3px;color:var(--muted);font-size:9px}
    .proof{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 34px;border:1px solid var(--line);border-top:0;border-radius:0 0 26px 26px;background:#fff}
    .proof-label{color:var(--muted);font-size:11px}
    .proof-item{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:700}
    .proof-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#f0f4fc;color:var(--blue)}
    .section{padding:91px 0}
    .section-heading{max-width:570px;margin:0 auto 41px;text-align:center}
    .section-heading .eyebrow{justify-content:center}
    h2{margin:14px 0 12px;font-family:Manrope,sans-serif;font-size:clamp(31px,4vw,43px);font-weight:700;letter-spacing:-.065em;line-height:1.12}
    .section-heading>p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
    .offer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .offer{min-height:217px;padding:24px;border:1px solid var(--line);border-radius:17px;background:#fff;transition:transform .2s,box-shadow .2s}
    .offer:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .offer-top{display:flex;align-items:center;justify-content:space-between}
    .offer-icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:var(--pale);color:var(--blue)}
    .offer-number{color:#a3afbf;font-size:10px;font-weight:700;letter-spacing:.1em}
    .offer h3{margin:22px 0 8px;font-family:Manrope,sans-serif;font-size:17px;font-weight:700;letter-spacing:-.035em}
    .offer p{margin:0;color:var(--muted);font-size:12px;line-height:1.75}
    .about{position:relative;overflow:hidden;padding:63px;border-radius:22px;background:#132746;color:#fff}
    .about:after{position:absolute;top:-190px;right:-90px;width:460px;height:460px;border:1px solid #ffffff12;border-radius:50%;box-shadow:0 0 0 48px #ffffff08,0 0 0 98px #ffffff05;content:""}
    .about-grid{position:relative;z-index:1;display:grid;grid-template-columns:.82fr 1.18fr;gap:66px;align-items:center}
    .portrait{position:relative;min-height:286px;display:grid;place-items:center;overflow:hidden;border:1px solid #ffffff1c;border-radius:18px;background:radial-gradient(ellipse at 50% 36%,#6683bb 0,#31496f 35%,#203653 75%)}
    .portrait-halo{position:absolute;width:180px;height:180px;border:1px solid #ffffff38;border-radius:50%;box-shadow:0 0 0 24px #ffffff0a,0 0 0 48px #ffffff08}
    .portrait-monogram{position:relative;display:grid;place-items:center;width:104px;height:104px;border:1px solid #ffffff75;border-radius:50%;background:linear-gradient(145deg,#ffffff2b,#ffffff08);color:white;font-family:Georgia,serif;font-size:45px;font-style:italic;box-shadow:0 16px 50px #00153566}
    .portrait-note{position:absolute;right:13px;bottom:13px;left:13px;padding:12px 14px;border:1px solid #ffffff25;border-radius:11px;background:#12244080;backdrop-filter:blur(8px)}
    .portrait-note strong{display:block;font-size:11px}
    .portrait-note span{display:block;margin-top:4px;color:#c5d1e3;font-size:9px}
    .about-copy .eyebrow{color:#9cb7ff}
    .about-copy h2{max-width:450px;margin:16px 0;color:white}
    .about-copy>p{max-width:490px;color:#bdc9da;font-size:13px;line-height:1.9}
    .about-facts{display:flex;gap:31px;margin-top:25px;padding-top:22px;border-top:1px solid #ffffff1c}
    .about-facts strong{display:block;color:white;font-family:Manrope,sans-serif;font-size:21px;letter-spacing:-.05em}
    .about-facts span{display:block;margin-top:4px;color:#aebdd1;font-size:9px}
    .how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
    .step{padding:5px 17px}
    .step-number{width:38px;height:38px;display:grid;place-items:center;border:1px solid #dce5f5;border-radius:12px;background:#fff;color:var(--blue);font-size:12px;font-weight:800}
    .step h3{margin:18px 0 7px;font-family:Manrope,sans-serif;font-size:15px;font-weight:700;letter-spacing:-.03em}
    .step p{margin:0;color:var(--muted);font-size:12px;line-height:1.8}
    .cta{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:32px 36px;border:1px solid #e4eaf4;border-radius:18px;background:#fff}
    .cta h2{margin:0 0 5px;font-size:25px}
    .cta p{margin:0;color:var(--muted);font-size:12px}
    .footer{padding:27px 0 38px;color:#8190a4;font-size:10px}
    .footer-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:20px;border-top:1px solid var(--line)}
    .footer .brand{color:var(--ink)}
    .demo-note{max-width:530px;text-align:right;line-height:1.6}
    .modal-backdrop{position:fixed;z-index:20;inset:0;display:grid;place-items:center;padding:20px;background:#0c193880;backdrop-filter:blur(5px)}
    .modal{position:relative;width:min(435px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:33px;border:1px solid #e8edf4;border-radius:20px;background:#fff;box-shadow:0 30px 100px #07163045;animation:appear .2s ease}
    @keyframes appear{from{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}
    .modal-close{position:absolute;top:16px;right:16px;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:white;color:var(--muted);font-size:19px;cursor:pointer}
    .modal .eyebrow{font-size:9px}
    .modal h2{margin:12px 30px 7px 0;font-size:27px}
    .modal-intro{margin:0 0 21px;color:var(--muted);font-size:12px;line-height:1.7}
    .form-stack{display:grid;gap:13px}
    .field{display:grid;gap:6px}
    .field label{font-size:11px;font-weight:700}
    .field input,.field select,.field textarea,.chat-compose textarea{width:100%;min-height:43px;padding:11px 12px;border:1px solid #dfe6f0;border-radius:9px;outline:none;background:#fff;color:var(--ink);font-size:12px;transition:border .2s,box-shadow .2s}
    .field textarea{min-height:80px;resize:vertical;line-height:1.6}
    .field input:focus,.field select:focus,.field textarea:focus,.chat-compose textarea:focus{border-color:#8ba6f8;box-shadow:0 0 0 3px #3869ef18}
    .field input::placeholder,.field textarea::placeholder{color:#a2adbc}
    .form-error{min-height:16px;margin:0;color:#c84949;font-size:11px;line-height:1.5}
    .modal-switch{margin:17px 0 0;text-align:center;color:var(--muted);font-size:11px}
    .text-link{padding:0;border:0;background:none;color:var(--blue);font-size:inherit;font-weight:700;cursor:pointer}
    .teacher-hint{margin:15px 0 0;padding:11px 12px;border:1px solid #e6edf9;border-radius:9px;background:#f6f8fd;color:#64738a;font-size:10px;line-height:1.65}
    .portal{min-height:100vh;background:#f5f7fb}
    .portal-header{position:sticky;z-index:5;top:0;border-bottom:1px solid #e7ecf3;background:#ffffffed;backdrop-filter:blur(12px)}
    .portal-nav{height:68px;display:flex;align-items:center;justify-content:space-between}
    .portal-user{display:flex;align-items:center;gap:12px}
    .avatar{width:35px;height:35px;display:grid;place-items:center;border-radius:12px;background:#eaf0ff;color:var(--blue);font-size:12px;font-weight:800}
    .user-label strong{display:block;font-size:11px}
    .user-label span{display:block;margin-top:3px;color:var(--muted);font-size:9px}
    .portal-main{padding:36px 0 70px}
    .portal-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:25px}
    .portal-heading .eyebrow{font-size:9px}
    .portal-heading h1{margin:10px 0 5px;font-size:34px;letter-spacing:-.06em}
    .portal-heading p{margin:0;color:var(--muted);font-size:12px}
    .status-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:20px;background:#fff5e6;color:var(--amber);font-size:9px;font-weight:700}
    .status-pill.approved{background:#eaf7f1;color:var(--green)}
    .status-pill.rejected{background:#fff0ef;color:#b54a46}
    .dashboard-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(270px,.75fr);gap:19px;align-items:start}
    .dashboard-stack{display:grid;gap:17px}
    .panel{padding:23px;border:1px solid #e6ebf2;border-radius:15px;background:#fff;box-shadow:0 7px 23px #162d4b06}
    .panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:17px}
    .panel-heading h2{margin:0;font-size:16px;letter-spacing:-.04em}
    .panel-heading span{color:var(--muted);font-size:10px}
    .lesson-card{position:relative;overflow:hidden;padding:21px;border:1px solid #dfe7fb;border-radius:12px;background:linear-gradient(120deg,#f4f7ff,#fff 90%)}
    .lesson-card:after{position:absolute;top:-37px;right:-38px;width:130px;height:130px;border:1px solid #3869ef16;border-radius:50%;box-shadow:0 0 0 19px #3869ef07,0 0 0 39px #3869ef04;content:""}
    .lesson-date{position:relative;z-index:1;color:var(--blue);font-size:10px;font-weight:800;letter-spacing:.05em}
    .lesson-card h3{position:relative;z-index:1;margin:12px 0 7px;font-family:Manrope,sans-serif;font-size:19px;letter-spacing:-.04em}
    .lesson-card p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:11px}
    .lesson-link{position:relative;z-index:1;display:inline-flex;margin-top:16px}
    .lesson-card .pending-copy{position:relative;z-index:1;max-width:390px;color:#6c7b91;font-size:12px;line-height:1.8}
    .lesson-metadata{display:flex;flex-wrap:wrap;gap:13px;margin-top:14px;color:var(--muted);font-size:10px}
    .homework-item{padding:14px;border:1px solid #e8edf3;border-radius:10px}
    .homework-item+.homework-item{margin-top:9px}
    .homework-item strong{display:block;font-size:11px}
    .homework-item p{margin:7px 0 0;color:#53647b;font-size:11px;line-height:1.7;white-space:pre-wrap}
    .homework-item time{display:block;margin-top:8px;color:#99a5b4;font-size:9px}
    .empty-state{padding:21px 14px;border:1px dashed #dfe6ef;border-radius:10px;color:var(--muted);font-size:11px;line-height:1.8;text-align:center}
    .chat-panel{display:flex;min-height:387px;flex-direction:column}
    .chat-messages{display:flex;flex:1;flex-direction:column;gap:11px;min-height:180px;max-height:340px;overflow:auto;padding:2px 2px 12px}
    .chat-message{max-width:87%;align-self:flex-start;padding:10px 12px;border-radius:12px 12px 12px 3px;background:#f0f3f8;color:#30425d;font-size:11px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}
    .chat-message.mine{align-self:flex-end;border-radius:12px 12px 3px 12px;background:#edf2ff;color:#274b9c}
    .chat-message small{display:block;margin-top:5px;color:#8d9bb0;font-size:8px}
    .chat-compose{display:flex;align-items:end;gap:8px;padding-top:12px;border-top:1px solid #edf0f5}
    .chat-compose textarea{min-height:41px;max-height:105px;resize:vertical}
    .chat-compose .button{min-width:42px;min-height:41px;padding:0}
    .booking-form{display:grid;gap:12px}
    .booking-form .field label{font-size:10px}
    .booking-form .field input,.booking-form .field select{min-height:41px}
    .booking-tip{margin:13px 0 0;color:#8290a3;font-size:9px;line-height:1.7}
    .request-card{padding:15px;border:1px solid #e7ecf3;border-radius:11px;background:#fff}
    .request-card+.request-card{margin-top:10px}
    .request-top{display:flex;align-items:start;justify-content:space-between;gap:10px}
    .request-name{font-size:12px;font-weight:700}
    .request-details{margin-top:6px;color:var(--muted);font-size:10px;line-height:1.7}
    .request-note{margin:9px 0 0;padding:9px;border-radius:8px;background:#f6f8fb;color:#5b6b82;font-size:10px;line-height:1.6}
    .request-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .admin-form{display:grid;gap:10px;margin-top:12px;padding-top:12px;border-top:1px solid #edf0f5}
    .admin-form .field label{font-size:9px}
    .admin-form .field input,.admin-form .field textarea{min-height:38px;padding:9px;font-size:11px}
    .admin-form .field textarea{min-height:67px}
    .admin-form .button{justify-self:start}
    .admin-student{padding:15px;border:1px solid #e7ecf3;border-radius:11px}
    .admin-student+.admin-student{margin-top:10px}
    .admin-student-head{display:flex;justify-content:space-between;gap:10px}
    .admin-student-head strong{font-size:11px}
    .admin-student-meta{margin-top:6px;color:var(--muted);font-size:9px;line-height:1.7}
    .admin-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
    @media(max-width:900px){.next-lesson-summary{grid-template-columns:1fr 1fr}}
    .admin-section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
    .admin-section-title h3{margin:0;font-family:Manrope,sans-serif;font-size:13px;letter-spacing:-.03em}
    .admin-section-title span{color:var(--muted);font-size:9px}
    .price-card{display:flex;flex-direction:column;justify-content:space-between;min-height:196px}
    .price-amount{margin:19px 0 7px;color:var(--ink);font-family:Manrope,sans-serif;font-size:29px;font-weight:800;letter-spacing:-.06em}
    .price-amount small{color:var(--muted);font-family:"DM Sans",Arial,sans-serif;font-size:11px;font-weight:500;letter-spacing:0}
    .price-note{color:#96a2b2;font-size:9px}
    .availability-board{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:20px}
    .availability-box{padding:16px;border:1px solid #e8edf4;border-radius:12px;background:#fff}
    .availability-box h3{margin:0 0 10px;font-family:Manrope,sans-serif;font-size:11px;letter-spacing:-.02em}
    .availability-list{display:flex;flex-wrap:wrap;gap:7px}
    .availability-tag{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border:1px solid #e8edf3;border-radius:8px;background:#f8faff;color:#53647b;font-size:9px}
    .availability-tag.closed{border-color:#f2e3dc;background:#fff8f4;color:#9e604b}
    .availability-empty{color:#8b98aa;font-size:10px;line-height:1.7}
    .availability-preview{padding:10px 11px;border:1px solid #e7edf6;border-radius:9px;background:#f8faff;color:#60728d;font-size:10px;line-height:1.7}
    .availability-preview.closed-preview{border-color:#f2e3dc;background:#fff8f4;color:#9e604b}
    .day-week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}
    .day-week button{min-width:0;min-height:37px;padding:0 3px;border:1px solid #e1e7f0;border-radius:8px;background:#fff;color:#576980;font-size:9px;font-weight:700;cursor:pointer}
    .day-week button[aria-pressed="true"]{border-color:#abc0ff;background:#eff4ff;color:var(--blue)}
    .request-filter{color:var(--muted);font-size:9px}
    .closed-item{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:7px 9px;border:1px solid #f2e3dc;border-radius:8px;background:#fff8f4;color:#9e604b;font-size:9px}
    .closed-item button{padding:2px 5px;border:0;border-radius:5px;background:transparent;color:inherit;cursor:pointer}
    .next-lesson-panel{border-color:#dce6ff;background:linear-gradient(120deg,#fff,#f5f8ff)}
    .compact-list{display:grid;gap:8px}
    .compact-item{overflow:hidden;border:1px solid #e8edf4;border-radius:11px;background:#fff}
    .compact-item summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 15px;cursor:pointer;list-style:none}
    .compact-item summary::-webkit-details-marker{display:none}
    .compact-item summary:after{content:"+";color:var(--blue);font-size:17px;font-weight:500}
    .compact-item[open] summary:after{content:"−"}
    .compact-summary{min-width:0}
    .compact-summary strong{display:block;overflow:hidden;font-size:11px;text-overflow:ellipsis;white-space:nowrap}
    .compact-summary span{display:block;margin-top:4px;color:var(--muted);font-size:9px}
    .compact-content{padding:0 13px 13px}
    .compact-content>.admin-form:first-child{margin-top:0}
    .next-lesson-summary{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:10px;margin-top:15px}
    .next-lesson-metric{padding:12px;border:1px solid #e5ebf6;border-radius:10px;background:#ffffffc9}
    .next-lesson-metric span{display:block;color:var(--muted);font-size:9px}
    .next-lesson-metric strong{display:block;margin-top:5px;font-size:11px;line-height:1.5}
    .mode-choice{display:grid;grid-template-columns:1fr 1fr;gap:8px}
    .mode-choice label{position:relative;cursor:pointer}
    .mode-choice input{position:absolute;width:1px;height:1px;opacity:0}
    .mode-choice span{display:flex;align-items:center;justify-content:center;min-height:39px;padding:7px;border:1px solid #e0e7f1;border-radius:9px;background:#fff;color:#596a81;font-size:10px;font-weight:700}
    .mode-choice input:checked+span{border-color:#a9bcfb;background:#eff4ff;color:var(--blue)}
    .group-badge{display:inline-flex;align-items:center;gap:5px;padding:5px 8px;border:1px solid #e1e9ff;border-radius:7px;background:#f0f4ff;color:#4262aa;font-size:9px;font-weight:700}
    .group-list{display:grid;gap:9px}
    .group-card{padding:14px;border:1px solid #e6ebf3;border-radius:11px;background:#fff}
    .group-card-head{display:flex;align-items:start;justify-content:space-between;gap:12px}
    .group-card-head strong{font-size:12px}
    .group-meta{margin-top:6px;color:var(--muted);font-size:10px;line-height:1.7}
    .group-actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
    .option-seats{color:var(--green);font-weight:700}
    .student-dashboard-details{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:11px}
    .student-dashboard-details span{padding:8px;border-radius:8px;background:#f6f8fb;color:#63738b;font-size:9px}
    .portal-section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
    .portal-section-title h2{margin:0;font-family:Manrope,sans-serif;font-size:15px;letter-spacing:-.04em}
    .mobile-hide{display:inline}
    @media(max-width:900px){.hero-grid{gap:15px}.hero{padding:63px 0}.hero-art{min-height:320px}.float-card.top{right:-4px}.proof{flex-wrap:wrap;justify-content:center}.proof-label{width:100%;text-align:center}.about{padding:39px}.about-grid{gap:36px}.dashboard-grid{grid-template-columns:minmax(0,1.2fr) minmax(245px,.8fr)}}
    @media(max-width:700px){.wrap{width:min(100% - 32px,540px)}.topbar{height:66px}.top-links{display:none}.brand{font-size:13px}.brand-mark{width:32px;height:32px}.nav-actions{gap:7px}.nav-actions .button{min-height:38px;padding:0 12px;font-size:11px}.hero{margin-top:7px;padding:48px 0 23px;border-radius:19px 19px 0 0}.hero-grid{grid-template-columns:1fr;gap:6px}.hero-copy{padding:0 5px}.hero h1{max-width:480px;margin:17px 0 12px;font-size:clamp(41px,11vw,58px)}.hero-copy>p{max-width:440px;font-size:13px}.hero-actions{gap:9px;margin-top:20px}.hero-actions .button{min-height:43px;padding:0 13px;font-size:11px}.hero-caption{margin-top:14px;font-size:9px}.hero-art{min-height:300px;margin-top:0}.orbit{width:250px}.art-sheet{width:185px;height:230px;padding:20px}.sheet-title{margin:16px 0 13px;font-size:23px}.sheet-rule{height:39px;margin-top:14px;padding:9px;font-size:9px}.float-card.top{top:28px;right:5px}.float-card.bottom{bottom:20px;left:1px}.float-card{gap:8px;padding:10px}.float-icon{width:29px;height:29px}.proof{gap:13px;padding:22px 12px;border-radius:0 0 19px 19px}.proof-item{gap:7px;font-size:10px}.proof-icon{width:29px;height:29px}.section{padding:68px 0}.section-heading{margin-bottom:26px}.offer-grid{grid-template-columns:1fr;gap:10px}.offer{min-height:auto;padding:19px}.offer h3{margin:15px 0 6px}.about{padding:24px;border-radius:17px}.about-grid{grid-template-columns:1fr;gap:23px}.portrait{min-height:233px}.about-copy h2{font-size:32px}.about-facts{gap:19px}.about-facts strong{font-size:19px}.about-facts span{font-size:8px}.how-grid{grid-template-columns:1fr;gap:18px}.step{padding:0 4px}.step h3{margin:12px 0 5px}.cta{align-items:flex-start;flex-direction:column;padding:23px}.cta .button{width:100%}.footer-inner{align-items:flex-start;flex-wrap:wrap}.demo-note{width:100%;text-align:left}.portal-nav{height:62px}.portal-nav .brand{font-size:11px}.portal-nav .button{min-height:35px;padding:0 11px;font-size:10px}.portal-user{gap:8px}.user-label strong{max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.portal-main{padding:25px 0 46px}.portal-heading{align-items:start;flex-direction:column;margin-bottom:18px}.portal-heading h1{font-size:30px}.dashboard-grid{grid-template-columns:1fr}.dashboard-stack{gap:12px}.panel{padding:17px}.chat-panel{min-height:320px}.admin-columns{grid-template-columns:1fr}.availability-board{grid-template-columns:1fr}.day-week button{min-height:42px;font-size:10px}.next-lesson-summary{grid-template-columns:1fr}.student-dashboard-details{grid-template-columns:1fr}.compact-item summary{padding:12px}.mobile-hide{display:none}}
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
  .occ-list{display:grid;gap:8px;margin-top:10px}
.occ-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:13px}
.occ-row.off .occ-title{color:var(--muted);text-decoration:line-through}
.occ-title{flex:1 1 190px;font-weight:600}
.att-actions{display:flex;gap:6px}
.att-stats{padding:10px 12px;border-radius:10px;background:var(--pale);color:var(--ink);font-size:13px}
.occ-note{margin-top:10px;color:var(--muted);font-size:12px;line-height:1.7}
.danger-zone{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.button.danger{background:#fff;border-color:#f0c9c6;color:#b54a46}
.button.danger:hover{background:#fff0ef;box-shadow:none}
.portrait.portrait{display:block;min-height:0;aspect-ratio:4/5;max-height:540px}
.portrait-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 16%}
.portrait.portrait:after{content:"";position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(0deg,#0f1f3a99,transparent);pointer-events:none}
.portrait-note{z-index:1}
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.social-link{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid #ffffff2e;border-radius:11px;background:#ffffff12;color:#fff;font-size:12px;font-weight:700;text-decoration:none;transition:background .2s}
.social-link:hover{background:#ffffff26}
.footer-socials{display:flex;gap:8px}
.footer-socials a{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;color:var(--ink);transition:color .2s,border-color .2s}
.footer-socials a:hover{color:var(--blue);border-color:#b9c9f5}
.panel.panel-compact{padding:0}
.panel-compact>summary{cursor:pointer;list-style:none;padding:15px 18px;color:var(--blue);font-size:13px;font-weight:700}
.panel-compact>summary::-webkit-details-marker{display:none}
.panel-compact>summary:after{content:"+";float:right;font-size:18px;line-height:1}
.panel-compact[open]>summary:after{content:"–"}
.panel-compact[open]>summary{border-bottom:1px solid var(--line);margin-bottom:16px}
.panel-compact>*:not(summary){margin-left:18px;margin-right:18px}
.panel-compact>*:last-child{margin-bottom:18px}
.tabs{display:flex;gap:6px;width:fit-content;margin-bottom:18px;padding:4px;border:1px solid var(--line);border-radius:12px;background:#fff}
.tab{padding:9px 16px;border:0;border-radius:9px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.tab.active{background:var(--pale);color:var(--blue)}
.tab-badge{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--blue);color:#fff;font-size:11px;font-weight:700}
.messenger{display:grid;grid-template-columns:330px 1fr;gap:16px;min-height:560px}
.chat-list,.chat-view{border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.chat-list{display:flex;flex-direction:column;max-height:76vh;overflow:auto}
.chat-list-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.chat-list-head h2{margin:0;font-size:15px}
.chat-list-head span{color:var(--muted);font-size:12px}
.chat-item{display:flex;align-items:center;gap:11px;width:100%;padding:12px 16px;border:0;border-bottom:1px solid var(--line);background:#fff;font:inherit;text-align:left;cursor:pointer}
.chat-item:hover{background:#fafbff}
.chat-item.active{background:var(--pale)}
.chat-avatar{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--pale);color:var(--blue);font-weight:700}
.chat-item-body{display:grid;flex:1;min-width:0;gap:3px}
.chat-item-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.chat-item-top strong{overflow:hidden;font-size:13px;text-overflow:ellipsis;white-space:nowrap}
.chat-item-top time{flex:none;color:var(--muted);font-size:11px}
.chat-item-preview{overflow:hidden;color:var(--muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}
.chat-view{display:flex;flex-direction:column}
.chat-placeholder{margin:auto;max-width:280px;border:0}
.chat-view-head{display:flex;align-items:center;gap:11px;padding:12px 16px;border-bottom:1px solid var(--line)}
.chat-view-title{display:grid;flex:1;min-width:0;gap:2px}
.chat-view-title strong{font-size:14px}
.chat-view-title span{overflow:hidden;color:var(--muted);font-size:12px;text-overflow:ellipsis;white-space:nowrap}
.back-btn{display:none;width:34px;height:34px;border:1px solid var(--line);border-radius:9px;background:#fff;font-size:16px;cursor:pointer}
.chat-view .chat-messages{flex:1;max-height:62vh;min-height:360px;padding:16px}
.chat-view .chat-message{font-size:13px}
.chat-view .chat-compose{padding:12px 16px}
.chat-compose{flex-wrap:wrap}
.attach-btn{position:relative;display:grid;place-items:center;flex:none;width:42px;min-height:41px;border:1px solid #dfe6f0;border-radius:9px;background:#fff;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s}
.attach-btn:hover{color:var(--blue);border-color:#8ba6f8}
.attach-btn input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.file-pending{display:flex;flex:1 0 100%;align-items:center;gap:8px;padding:7px 10px;border-radius:8px;background:var(--pale);color:var(--ink);font-size:12px}
.file-pending[hidden]{display:none}
.file-pending button{margin-left:auto;border:0;background:none;color:var(--muted);font-size:17px;line-height:1;cursor:pointer}
.file-chip{display:inline-flex;align-items:center;gap:7px;max-width:100%;margin-top:6px;padding:7px 10px;border:1px solid #d5def0;border-radius:9px;background:#fff;color:var(--blue);font:inherit;font-size:12px;text-align:left;cursor:pointer}
.file-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-message .file-chip small{display:inline;margin:0;color:var(--muted);font-size:11px}
@media(max-width:820px){
  .messenger{grid-template-columns:1fr}
  .messenger.has-chat .chat-list{display:none}
  .messenger:not(.has-chat) .chat-view{display:none}
  .back-btn{display:inline-grid;place-items:center}
  .chat-view .chat-messages{max-height:56vh}
}