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#0c745f;padding:50px;text-align:center;max-width:900px;margin:20px auto;min-height:520px;display:flex;flex-direction:column;justify-content:center}.certificate h1{font-size:35px;color:var(--green)}.certificate h2{font-size:25px}.certificate-code{direction:ltr;font:16px monospace;background:var(--surface);padding:10px;display:inline-block;margin:auto}.empty{background:#fff;border:1px dashed #cbd8d4;border-radius:15px;text-align:center;padding:40px;color:var(--muted);font-size:11px}.app-footer{width:min(1280px,100%);margin:auto;border-top:1px solid var(--line);min-height:90px;padding:0 34px;display:flex;align-items:center;gap:28px;color:var(--muted)}.footer-brand{display:flex;align-items:center;gap:8px}.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px 3px}.footer-brand strong{font:800 9px Arial;color:var(--ink)}.footer-brand small{font-size:7px}.app-footer nav{display:flex;gap:15px;margin-right:auto;flex-wrap:wrap}.app-footer nav 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@media(max-width:1050px){.sidebar{transform:translateX(105%);transition:.22s;box-shadow:-20px 0 50px rgba(20,45,39,.15)}.sidebar.open{transform:none}.sidebar-close{display:grid;place-items:center;position:absolute;left:12px;top:12px;width:32px;height:32px;border:0;border-radius:8px;background:var(--surface)}.main-area{margin-right:0}.mobile-menu{display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:9px;background:var(--surface)}.mobile-brand{display:block;font:800 11px Arial}.course-grid{grid-template-columns:repeat(2,1fr)}.file-grid{grid-template-columns:repeat(2,1fr)}.lesson-layout{grid-template-columns:1fr}.course-hero{grid-template-columns:1fr 300px}}
@media(max-width:720px){body{padding-bottom:64px}.topbar{height:62px;padding:0 14px}.search-box{display:none}.profile-button>span:last-child{display:none}.profile-button{padding:4px}.mobile-brand{font-size:9px}.page-content{padding:24px 14px 0}.welcome-row{align-items:start;flex-direction:column}.welcome-row h1{font-size:23px}.starter-card{grid-template-columns:1fr;border-radius:17px}.starter-copy{padding:28px 22px}.starter-copy h2{font-size:27px}.starter-visual{min-height:290px}.lesson-window{width:78%}.section-head{align-items:start;gap:8px}.section-head h2{font-size:20px}.section-head p{display:none}.course-grid,.article-list,.auth-grid,.account-grid,.checkout-grid,.plan-grid{grid-template-columns:1fr}.file-grid{grid-template-columns:1fr 1fr;gap:9px}.file-cover{height:130px}.course-hero{grid-template-columns:1fr;padding:17px}.course-hero .course-cover{height:210px}.course-hero h1{font-size:24px}.membership-card{grid-template-columns:1fr}.stat-grid{grid-template-columns:1fr}.app-footer{align-items:start;flex-direction:column;padding:28px 14px}.app-footer nav{margin:0}.mobile-bottom{position:fixed;z-index:70;right:0;left:0;bottom:0;height:64px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.mobile-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#7c8987;font-size:7px}.mobile-bottom .icon{width:18px}.mobile-bottom .active{color:var(--green)}.certificate{padding:20px;min-height:450px}.certificate h1{font-size:26px}.order-table{display:block;overflow:auto}}
@media print{.sidebar,.topbar,.app-footer,.mobile-bottom,.print-hide{display:none!important}.main-area{margin:0}.page-content{padding:0}.certificate{border-color:#000}}
.admin-body{background:#f4f7f6}.admin-side{position:fixed;right:0;top:0;bottom:0;width:230px;background:#152a26;color:#fff;padding:22px 16px;display:flex;flex-direction:column}.admin-side .brand{color:#fff;margin-bottom:22px}.admin-side .brand small{color:#9cb3ad}.admin-side nav{display:flex;flex-direction:column;gap:5px}.admin-side nav a{padding:11px 12px;border-radius:9px;font-size:10px;color:#b8c7c3}.admin-side nav a:hover,.admin-side nav a.active{background:#26423c;color:#fff}.admin-back{margin-top:auto;background:#fff;color:#173c33;border-radius:9px;padding:10px;text-align:center;font-size:9px;font-weight:bold}.admin-main{margin-right:230px;min-height:100vh}.admin-main>header{height:65px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px}.admin-main>header>div{display:flex;flex-direction:column}.admin-main>header small{font-size:7px;color:var(--muted)}.admin-main>header strong{font-size:10px}.admin-main>header>a{margin-right:auto;color:var(--red);font-size:9px}.admin-content{padding:28px;width:min(1100px,100%);margin:auto}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.admin-stats article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.admin-stats small{display:block;color:var(--muted);font-size:8px}.admin-stats strong{font-size:18px}.admin-form{max-width:900px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 14px}.check-field{display:flex;align-items:center;gap:8px;font-size:10px}.inline-form{display:flex;gap:6px;align-items:center}.inline-form select,.inline-form input{border:1px solid var(--line);border-radius:7px;padding:6px;font-size:8px}.inline-form button{border:0;background:var(--green);color:#fff;border-radius:7px;padding:7px 10px;font-size:8px}.admin-side .brand-mark{background:#24a88b}
@media(max-width:800px){.admin-side{position:static;width:100%;height:auto}.admin-side .brand{margin-bottom:10px}.admin-side nav{display:grid;grid-template-columns:repeat(3,1fr)}.admin-side nav a{text-align:center}.admin-back{margin-top:12px}.admin-main{margin-right:0}.admin-content{padding:18px 12px}.admin-stats{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.inline-form{min-width:280px}}


/* Vector typography and unified authentication */
.auth-single{max-width:520px;margin:34px auto 60px}.auth-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 50px rgba(31,70,60,.06)}.auth-card h1{font-size:25px;margin-bottom:4px}.auth-card .muted{font-size:11px;line-height:2}.auth-card .field{font-size:12px}.auth-card .field input{font-size:13px;padding:13px 14px}.auth-submit{width:100%;font-size:13px;min-height:50px}.auth-divider{display:flex;align-items:center;gap:10px;color:#9aa5a3;font-size:10px;margin:18px 0}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--line);flex:1}.google-button{min-height:50px;border:1px solid #dbe4e1;border-radius:11px;background:#fff;display:flex;align-items:center;justify-content:center;gap:10px;font-size:12px;font-weight:800}.google-button:hover{background:#f8faf9}.google-g{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;border:1px solid #e1e5e4;font:800 14px Arial;color:#4285f4}.auth-note{display:block;color:var(--muted);font-size:9px;margin-top:11px;line-height:1.9}.course-action,.file-info a,.section-head>a,.article-card a,.lesson-row>a,.side-membership a{font-size:11px}.section-head>a{font-weight:900}.app-footer nav a{font-size:9px}.mobile-bottom a{font-size:9px}.field input[type="tel"]{direction:ltr;text-align:left}