:root{--primary: #1B1464;--primary-hover: #140e4f;--primary-light: #f0f1fa;--secondary: #FFCE00;--secondary-hover: #e5b800;--secondary-light: #fff9e6;--bg-color: #FFFFFF;--surface-color: #FFFFFF;--surface-alt: #F8FAFC;--border-color: #E2E8F0;--border-dark: #CBD5E1;--text-main: #0F172A;--text-muted: #64748B;--text-light: #94A3B8;--success: #10B981;--danger: #EF4444;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-subtle: 0 1px 3px rgba(0, 0, 0, .06);--shadow-card: 0 2px 8px rgba(27, 20, 100, .06);--shadow-premium: 0 10px 25px -5px rgba(27, 20, 100, .08), 0 8px 10px -6px rgba(27, 20, 100, .04);--font-family: "Plus Jakarta Sans", "Kalpurush", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--container-max: 1200px}*{box-sizing:border-box;margin:0;padding:0}html,body{overflow-x:hidden;width:100%;max-width:100vw}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased;padding-bottom:72px}.app-container{overflow-x:hidden;width:100%;max-width:100vw}@media(min-width:768px){body{padding-bottom:0}}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:background-color .15s ease,transform .1s ease}input,select,textarea{font-family:inherit;font-size:.95rem;outline:none}.container{max-width:var(--container-max);margin:0 auto;padding:0 16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-size:.92rem;font-weight:600;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;text-align:center;white-space:nowrap}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:#1b1464;font-weight:700}.btn-secondary:hover{background-color:var(--secondary-hover)}.btn-outline{background-color:transparent;border-color:var(--border-dark);color:var(--text-main)}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background-color:var(--primary-light)}.btn-whatsapp{background-color:#25d366;color:#fff;font-weight:600}.btn-whatsapp:hover{background-color:#1eb956}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-lg{padding:14px 24px;font-size:1rem}.btn-block{width:100%}.badge{display:inline-flex;align-items:center;padding:3px 8px;font-size:.75rem;font-weight:700;border-radius:4px;text-transform:uppercase;letter-spacing:.5px}.badge-sale{background-color:var(--secondary);color:var(--primary)}.badge-new{background-color:var(--primary);color:#fff}.badge-category{background-color:var(--surface-alt);color:var(--text-muted);border:1px solid var(--border-color)}.card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .15s ease,border-color .15s ease}.card:hover{border-color:var(--primary)}.topbar{background-color:#fff;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:12px}.logo-wrapper{display:flex;align-items:center;cursor:pointer;flex-shrink:0}.header-brand-logo{height:46px;width:auto;max-width:220px;object-fit:contain;display:block}@media(max-width:480px){.topbar-inner{height:60px;gap:8px}.header-brand-logo{height:36px;max-width:140px}.topbar-actions{gap:6px}}@media(max-width:380px){.header-brand-logo{height:32px;max-width:120px}.topbar-actions{gap:4px}}.desktop-search{display:block}.mobile-search-toggle-btn{display:none!important}@media(max-width:768px){.desktop-search{display:none!important}.mobile-search-toggle-btn{display:inline-flex!important}.header-admin-label,.header-signin-text,.header-username-text{display:none}}.search-container{flex:1;max-width:460px;position:relative}.search-input{width:100%;padding:9px 14px 9px 36px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--surface-alt);color:var(--text-main);transition:border-color .15s ease,background-color .15s ease}.search-input:focus{border-color:var(--primary);background-color:#fff}.search-icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);background:none;border:none;font-size:1rem;cursor:pointer}.topbar-actions{display:flex;align-items:center;gap:8px}.cart-btn{position:relative;display:flex;align-items:center;justify-content:center;width:42px;height:42px;min-width:42px;border-radius:var(--radius-sm);background-color:var(--surface-alt);border:1px solid var(--border-color);color:var(--primary);cursor:pointer;flex-shrink:0;touch-action:manipulation}.cart-btn:hover{background-color:var(--primary-light)}.cart-count-badge{position:absolute;top:-5px;right:-5px;background-color:var(--secondary);color:var(--primary);font-weight:800;font-size:.72rem;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;border:2px solid #FFFFFF}.category-nav-bar{background:#fff;border-bottom:1px solid var(--border-color);padding:8px 0}.category-nav-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}.category-nav-inner::-webkit-scrollbar{display:none}.category-select-wrapper{position:relative;flex-shrink:0}.category-select{padding:8px 30px 8px 12px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--surface-alt);font-size:.88rem;font-weight:600;color:var(--primary);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none}.category-chip{padding:6px 14px;border-radius:20px;font-size:.84rem;font-weight:500;background:var(--surface-alt);color:var(--text-muted);border:1px solid var(--border-color);white-space:nowrap;cursor:pointer}.category-chip.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}.banner-section{margin:16px 0 24px}.banner-container{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-color);background:transparent;position:relative;cursor:pointer;box-shadow:var(--shadow-subtle);transition:transform .2s ease,box-shadow .2s ease}.banner-container:hover{transform:translateY(-2px);box-shadow:var(--shadow-card)}.banner-img{width:100%;height:auto;max-height:440px;object-fit:cover;display:block}.banner-overlay-content{display:none!important}.section-header{display:flex;align-items:center;justify-content:space-between;margin:28px 0 16px;flex-wrap:wrap;gap:12px}.section-title-wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.section-title{font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-.3px}.flash-sale-header-container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin:28px 0 16px;padding:12px 16px;background:var(--surface-alt);border:1px solid var(--border-color);border-radius:var(--radius-md)}.flash-sale-badge-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.flash-timer{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--secondary);padding:6px 12px;border-radius:var(--radius-sm);font-weight:700;font-size:.85rem;color:var(--primary);flex-shrink:0}.timer-box{background:var(--primary);color:#fff;padding:3px 6px;border-radius:4px;font-size:.82rem;font-weight:700;font-variant-numeric:tabular-nums;min-width:32px;text-align:center}@media(max-width:540px){.flash-sale-header-container{flex-direction:column;align-items:flex-start;gap:10px;padding:10px 12px}.flash-timer{width:100%;justify-content:center}}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}@media(min-width:640px){.product-grid{grid-template-columns:repeat(3,1fr);gap:16px}}@media(min-width:1024px){.product-grid{grid-template-columns:repeat(4,1fr);gap:20px}}.course-card{display:flex;flex-direction:column;height:100%}.course-card-thumb-wrap{position:relative;width:100%;aspect-ratio:1 / 1;background:var(--surface-alt);overflow:hidden;border-bottom:1px solid var(--border-color)}.course-card-thumb{width:100%;height:100%;aspect-ratio:1 / 1;object-fit:cover;display:block;transition:transform .2s ease}.course-card:hover .course-card-thumb{transform:scale(1.03)}.card-badges{position:absolute;top:8px;left:8px;display:flex;flex-direction:column;gap:4px;z-index:2}.course-card-body{padding:12px;display:flex;flex-direction:column;flex:1}.course-card-category{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px}.course-card-title{font-size:.95rem;font-weight:700;color:var(--text-main);line-height:1.35;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;height:2.7em}.course-rating-row{display:flex;align-items:center;gap:4px;font-size:.8rem;color:#d97706;font-weight:600;margin-bottom:8px}.course-card-price-row{display:flex;align-items:baseline;gap:8px;margin-top:auto;margin-bottom:12px}.current-price{font-size:1.15rem;font-weight:800;color:var(--primary)}.original-price{font-size:.85rem;color:var(--text-light);text-decoration:line-through}.course-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.details-layout{display:grid;grid-template-columns:1fr;gap:28px;padding:24px 0 40px}@media(min-width:900px){.details-layout{grid-template-columns:1fr 1.1fr;gap:40px}}.details-media-box{background:var(--surface-alt);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;max-width:520px;width:100%;margin:0 auto}.details-info{display:flex;flex-direction:column}.details-title{font-size:1.75rem;font-weight:800;color:var(--primary);line-height:1.25;margin-bottom:12px}.details-price-bar{display:flex;align-items:center;gap:12px;background:var(--surface-alt);padding:12px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-color);margin-bottom:16px}.details-price{font-size:1.8rem;font-weight:800;color:var(--primary)}.details-short-desc{font-size:1rem;color:var(--text-muted);line-height:1.6;margin-bottom:20px}.quantity-control{display:flex;align-items:center;gap:12px;margin-bottom:20px}.qty-btn{width:36px;height:36px;border:1px solid var(--border-dark);background:#fff;border-radius:var(--radius-sm);font-weight:700;font-size:1.1rem;display:flex;align-items:center;justify-content:center;color:var(--text-main)}.qty-val{font-weight:700;font-size:1rem;min-width:24px;text-align:center}.details-cta-grid{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}@media(min-width:640px){.details-cta-grid{flex-direction:row}}.details-full-desc{border-top:1px solid var(--border-color);padding-top:24px;margin-top:24px}.details-full-desc h3{font-size:1.2rem;font-weight:700;color:var(--primary);margin-bottom:12px}.curriculum-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-top:12px}.curriculum-item{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--surface-alt);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:.92rem}.reviews-section{border-top:1px solid var(--border-color);padding-top:28px;margin-top:32px}.review-item{padding:14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);margin-bottom:12px;background:#fff}.review-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.review-author{font-weight:700;font-size:.95rem}.review-text{font-size:.9rem;color:var(--text-muted)}.sticky-bottom-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border-color);padding:10px 16px;display:flex;align-items:center;gap:10px;z-index:95;box-shadow:0 -2px 10px #0000000d}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border-color);display:flex;justify-content:space-around;padding:8px 0;z-index:90}@media(min-width:768px){.mobile-bottom-nav{display:none}}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;font-size:.72rem;color:var(--text-muted);font-weight:600;gap:3px;cursor:pointer;position:relative}.mobile-nav-item.active{color:var(--primary)}.footer{background:var(--footer-bg, var(--primary));color:#e2e8f0;border-top:1px solid rgba(255,255,255,.12);padding:48px 0 24px;margin-top:60px;transition:background .3s ease}.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:36px}@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}.footer-brand-logo{height:44px;width:auto;max-width:220px;object-fit:contain;margin-bottom:14px;display:block}.footer-desc{font-size:.9rem;color:#94a3b8;line-height:1.6;max-width:320px}.footer-col-title{color:var(--secondary);font-size:.95rem;font-weight:700;margin-bottom:14px}.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:.88rem;color:#94a3b8}.footer-links a:hover{color:var(--secondary)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:12px;font-size:.82rem;color:#94a3b8}@media(min-width:640px){.footer-bottom{flex-direction:row}}.checkout-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:24px 0 40px}@media(min-width:840px){.checkout-grid{grid-template-columns:1.5fr 1fr;gap:32px}}.form-group{margin-bottom:16px}.form-label{display:block;font-size:.88rem;font-weight:600;color:var(--text-main);margin-bottom:6px}.form-control{width:100%;padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:#fff;color:var(--text-main);font-size:.95rem}.form-control:focus{border-color:var(--primary)}.payment-methods-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}.payment-method-card{border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:12px;display:flex;align-items:center;gap:10px;cursor:pointer;background:var(--surface-alt)}.payment-method-card.selected{border-color:var(--primary);background:var(--primary-light);font-weight:700;color:var(--primary)}.admin-header-badge{background:linear-gradient(135deg,var(--primary) 0%,#2e2396 100%);color:#fff;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:700;letter-spacing:.5px}.admin-kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:24px}@media(min-width:900px){.admin-kpi-grid{grid-template-columns:repeat(4,1fr);gap:16px}}.admin-kpi-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-subtle);position:relative;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.admin-kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card)}.admin-kpi-icon-wrap{width:40px;height:40px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:12px}.admin-kpi-val{font-size:1.45rem;font-weight:800;color:var(--primary);letter-spacing:-.5px;line-height:1.1}.admin-kpi-label{font-size:.78rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;margin-top:4px}.admin-tab-scroll-wrap{overflow-x:auto;scrollbar-width:none;margin-bottom:20px;border-bottom:1px solid var(--border-color);background:var(--surface-alt);padding:4px 8px;border-radius:var(--radius-md)}.admin-tab-scroll-wrap::-webkit-scrollbar{display:none}.admin-pill-tabs{display:flex;gap:6px;min-width:max-content}.admin-pill-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);font-size:.86rem;font-weight:600;background:transparent;color:var(--text-muted);border:1px solid transparent;cursor:pointer;white-space:nowrap}.admin-pill-btn:hover{color:var(--primary);background:#1b14640a}.admin-pill-btn.active{background:var(--primary);color:#fff;font-weight:700;box-shadow:0 2px 6px #1b146433}.admin-mobile-cards{display:flex;flex-direction:column;gap:12px}.admin-desktop-table{display:none}@media(min-width:860px){.admin-mobile-cards{display:none}.admin-desktop-table{display:block}}.admin-item-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;box-shadow:var(--shadow-subtle);display:flex;flex-direction:column;gap:10px}.admin-table{width:100%;border-collapse:collapse;font-size:.9rem}.admin-table th{background:var(--surface-alt);color:var(--primary);font-weight:700;text-align:left;padding:12px 14px;border-bottom:1px solid var(--border-color);white-space:nowrap}.admin-table td{padding:12px 14px;border-bottom:1px solid var(--border-color);vertical-align:middle}.color-swatch-btn{width:36px;height:36px;border-radius:var(--radius-sm);border:2px solid var(--border-color);cursor:pointer;transition:transform .15s ease,border-color .15s ease}.color-swatch-btn:hover{transform:scale(1.08)}.color-swatch-btn.active{border-color:var(--primary);box-shadow:0 0 0 2px var(--secondary)}.checkout-grid{display:grid;grid-template-columns:1fr 360px;gap:24px;align-items:start;width:100%}@media(max-width:860px){.checkout-grid{grid-template-columns:1fr;gap:18px}}.cart-item-card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-subtle);overflow:hidden;word-break:break-word}@media(max-width:480px){.cart-item-card{padding:12px}}.details-layout{display:grid;grid-template-columns:460px 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var(--border-color);border-radius:var(--radius-md);padding:24px;margin-top:32px;box-shadow:var(--shadow-subtle)}.curriculum-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.curriculum-item{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;background:var(--surface-alt);border:1px solid var(--border-color);border-radius:var(--radius-sm);font-size:.92rem;font-weight:600;color:var(--text-main);line-height:1.4}.reviews-section{background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:24px;margin-top:24px;box-shadow:var(--shadow-subtle)}.review-item{padding:14px 0;border-bottom:1px solid var(--border-color)}.review-item:last-child{border-bottom:none}.review-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.review-author{font-weight:700;font-size:.92rem;color:var(--text-main)}.user-dashboard-grid{display:grid;grid-template-columns:minmax(210px,240px) 1fr;gap:20px;align-items:start}@media(max-width:860px){.user-dashboard-grid{grid-template-columns:1fr;gap:16px}.user-nav-panel{padding:10px}.user-menu-btn-group{display:grid!important;grid-template-columns:repeat(2,1fr)!important;gap:8px!important}}@media(max-width:480px){.user-menu-btn-group{grid-template-columns:1fr!important;gap:6px!important}}.admin-layout-container{display:flex;gap:20px;position:relative;align-items:flex-start;width:100%;box-sizing:border-box}.admin-sidebar{width:250px;background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px 10px;box-shadow:var(--shadow-card);flex-shrink:0;display:flex;flex-direction:column;gap:4px;position:sticky;top:80px;height:fit-content;max-height:calc(100vh - 100px);overflow-y:auto;box-sizing:border-box;transition:transform .25s ease,opacity .2s ease}.admin-main-content{flex:1;min-width:0;width:100%;box-sizing:border-box}@media(max-width:920px){.admin-layout-container{flex-direction:column!important;gap:14px!important;padding:12px 8px!important}.admin-sidebar{position:fixed!important;top:0!important;bottom:0!important;left:0!important;width:280px!important;max-width:85vw!important;height:100vh!important;max-height:100vh!important;border-radius:0!important;z-index:250!important;box-shadow:6px 0 28px #00000059!important;transform:translate(-100%);opacity:0;pointer-events:none}.admin-sidebar.open{transform:translate(0)!important;opacity:1!important;pointer-events:auto!important}.admin-main-content{width:100%!important;max-width:100%!important}}.admin-kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;width:100%;box-sizing:border-box}@media(max-width:990px){.admin-kpi-grid{grid-template-columns:repeat(2,1fr);gap:10px}}@media(max-width:440px){.admin-kpi-grid{grid-template-columns:1fr;gap:8px}}.admin-kpi-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;box-shadow:var(--shadow-subtle);display:flex;flex-direction:column;gap:6px;box-sizing:border-box;transition:transform .15s ease,border-color .15s ease}.admin-kpi-card:hover{transform:translateY(-2px);border-color:var(--primary)}.admin-kpi-icon-wrap{width:38px;height:38px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;margin-bottom:2px}.admin-kpi-val{font-size:1.35rem;font-weight:800;color:var(--primary);line-height:1.2}.admin-kpi-label{font-size:.78rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.student-profile-header-card{padding:22px 20px;margin-bottom:20px;box-shadow:var(--shadow-card);box-sizing:border-box;width:100%}.student-profile-header{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}.student-profile-info{display:flex;align-items:center;gap:16px;min-width:0;flex:1}.student-profile-avatar{width:66px;height:66px;border-radius:50%;object-fit:cover;border:3px solid var(--primary);flex-shrink:0;box-shadow:0 2px 8px #1b146426}.student-profile-avatar-fallback{width:66px;height:66px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:800;flex-shrink:0}.student-profile-meta{min-width:0;flex:1}.student-profile-name-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.student-profile-name{font-size:1.35rem;font-weight:800;color:var(--primary);margin:0;line-height:1.25;white-space:normal;word-break:normal;overflow-wrap:break-word}.student-verified-badge{font-size:.72rem;background:#10b981;color:#fff;padding:3px 8px;white-space:nowrap}.student-profile-email{font-size:.86rem;color:var(--text-muted);margin-top:4px;word-break:break-all}.student-profile-headline{font-size:.84rem;color:var(--primary);font-weight:600;margin-top:4px;line-height:1.3}.student-profile-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.profile-nav-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:22px;width:100%;box-sizing:border-box}.profile-nav-tab-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 14px;border-radius:var(--radius-sm);font-weight:800;font-size:.92rem;cursor:pointer;box-shadow:var(--shadow-subtle);transition:all .15s ease;width:100%;box-sizing:border-box;text-align:center;border:1px solid var(--border-color);background:#fff;color:var(--text-main)}.profile-nav-tab-btn.active{background:var(--primary);color:#fff;border:2px solid var(--primary)}@media(max-width:680px){.student-profile-header-card{padding:16px 14px}.student-profile-header{flex-direction:column;align-items:stretch;gap:14px}.student-profile-info{width:100%;align-items:center;gap:12px}.student-profile-avatar,.student-profile-avatar-fallback{width:58px;height:58px;font-size:1.4rem}.student-profile-name{font-size:1.15rem}.student-profile-actions{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px}.student-profile-actions .btn{width:100%;justify-content:center;padding:9px 8px;font-size:.82rem}.profile-nav-tabs{grid-template-columns:1fr;gap:8px}.profile-nav-tab-btn{padding:12px 14px;font-size:.9rem;justify-content:flex-start}}.enrolled-courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;width:100%;box-sizing:border-box}@media(max-width:600px){.enrolled-courses-grid{grid-template-columns:1fr;gap:14px}}