:root{--green:#086b2b;--green2:#0d8a3c;--light:#f4faf6;--ink:#15231a;--muted:#68756d;--line:#dfe9e2;--white:#fff;--danger:#b42318;--shadow:0 16px 40px rgba(8,55,27,.09)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#fbfdfb;color:var(--ink)}a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{width:180px;height:42px;object-fit:contain;object-position:left center}.nav nav{display:flex;align-items:center;gap:22px;font-weight:700;color:#385043}.nav nav a:hover{color:var(--green)}.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--green);color:#fff;padding:13px 18px;font-weight:800;cursor:pointer}.btn:hover{background:#075c25}.btn.secondary{background:#e8f4ec;color:var(--green)}.btn.danger{background:#fee4e2;color:var(--danger)}.btn.small{padding:10px 14px}.menu-toggle{display:none;border:0;background:none;font-size:24px}.hero{padding:72px 0;background:linear-gradient(135deg,#f0faf3 0,#fff 60%)}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}.eyebrow{display:inline-block;color:var(--green);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:12px;margin-bottom:14px}.hero h1{font:800 clamp(38px,6vw,68px)/1.03 Manrope,sans-serif;margin:0 0 18px}.hero p{font-size:18px;color:var(--muted);line-height:1.75}.hero-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}.hero-card img{width:100%;border-radius:16px}.section{padding:64px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.section h2{font:800 34px Manrope,sans-serif;margin:0}.muted{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 24px rgba(8,55,27,.05)}.card-body{padding:22px}.course-cover{width:100%;aspect-ratio:16/9;object-fit:cover;background:#eaf4ed}.card h3{margin:0 0 10px;font:800 20px Manrope}.badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#e8f4ec;color:var(--green);font-size:12px;font-weight:800}.progress{height:10px;background:#e9efe9;border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--green),#25a458)}.auth{min-height:70vh;display:grid;place-items:center;padding:40px 0}.auth-card{width:min(480px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.auth-card img{display:block;width:210px;margin:0 auto 24px}.field{display:grid;gap:7px;margin-bottom:16px}.field label{font-weight:700;font-size:14px}.field input,.field select,.field textarea{width:100%;border:1px solid #ccd9cf;border-radius:11px;padding:12px 13px;font:inherit;background:#fff}.field textarea{min-height:140px;resize:vertical}.flash{margin-top:18px;padding:14px 16px;border-radius:12px;background:#eef8f1;color:#0b6b2c;font-weight:700}.flash.error{background:#fff1f0;color:#b42318}.footer{background:#0b2a16;color:#dce9df;padding:48px 0 18px;margin-top:70px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.footer img{width:180px;background:#fff;border-radius:10px}.footer a{display:block;margin:8px 0}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:16px;color:#9db0a2}.dashboard{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 78px)}.sidebar{background:#0d361c;color:#e3f0e7;padding:24px 18px}.sidebar .side-logo{background:#fff;border-radius:12px;padding:8px;margin-bottom:20px}.sidebar .side-logo img{width:100%}.sidebar a{display:block;padding:12px 13px;border-radius:10px;margin:4px 0;font-weight:700}.sidebar a:hover,.sidebar a.active{background:#17552e}.content{padding:30px;min-width:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.page-head h1{font:800 30px Manrope;margin:0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.stat strong{display:block;font:800 30px Manrope;color:var(--green)}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:16px}.table{width:100%;border-collapse:collapse;min-width:760px}.table th,.table td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}.table th{background:#f6faf7;font-size:12px;text-transform:uppercase;color:#617069}.actions{display:flex;gap:8px;flex-wrap:wrap}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin-bottom:22px}.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson-layout{display:grid;grid-template-columns:310px 1fr;gap:24px}.lesson-list{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.lesson-list a{display:block;padding:10px;border-radius:8px}.lesson-list a:hover{background:#eff7f1}.certificate{background:#fff;border:12px solid var(--green);padding:60px;max-width:1100px;margin:40px auto;text-align:center;min-height:700px;display:flex;flex-direction:column;justify-content:center}.certificate h1{font:800 48px Manrope;color:var(--green)}.certificate .student{font:800 34px Manrope;margin:22px 0}.qr{width:130px;height:130px;margin:18px auto}.install-wrap{min-height:100vh;background:linear-gradient(135deg,#edf8f0,#fff);display:grid;place-items:center;padding:30px}.install-card{width:min(860px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--shadow)}.install-card img{width:220px;display:block;margin:0 auto 20px}.notice{padding:12px 14px;background:#f0f8f2;border-left:4px solid var(--green);border-radius:8px;margin-bottom:16px}
@media(max-width:900px){.menu-toggle{display:block}.nav nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav nav.open{display:flex}.hero-grid,.grid,.stats,.two,.footer-grid,.lesson-layout{grid-template-columns:1fr}.dashboard{grid-template-columns:1fr}.sidebar{position:relative}.content{padding:20px}.hero{padding:44px 0}.certificate{margin:20px;padding:26px;min-height:580px}.certificate h1{font-size:34px}.certificate .student{font-size:26px}}

.dash-toggle{display:none;border:0;background:#08712f;color:#fff;padding:10px 14px;border-radius:10px;font-weight:800;margin-bottom:16px}.certificate-preview{min-height:420px;border:12px solid #08712f;background:#fff;color:#123;padding:45px;text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center}.certificate-preview img{max-width:220px;margin-bottom:25px}.certificate-preview h1{color:#08712f;letter-spacing:.12em}.cert-line{width:220px;border-top:1px solid #333;margin:35px auto 8px}@media(max-width:900px){.dashboard{display:block}.sidebar{position:fixed;left:-290px;top:0;bottom:0;width:270px;z-index:200;transition:left .2s}.sidebar.open{left:0}.content{padding:22px}.dash-toggle{display:inline-flex}.page-head{align-items:flex-start;gap:10px}.page-head>div:last-child{display:none}.stats{grid-template-columns:repeat(2,1fr)}.two-col,.grid.two-col{grid-template-columns:1fr!important}}@media(max-width:580px){.stats{grid-template-columns:1fr}.content{padding:16px}.panel{padding:18px}.table{min-width:700px}.certificate-preview{padding:22px;border-width:7px}.auth-card{padding:24px}.hero h1{font-size:38px}}