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.2s}.notif-item:last-child{border-bottom:none}.notif-item:hover{background:var(--bg-main)}.notif-title{font-size:.9rem;font-weight:600;margin-bottom:4px;display:flex;align-items:center;gap:8px}.notif-message{font-size:.8rem;color:var(--text-muted);line-height:1.4;margin-bottom:12px}.notif-danger{color:#dc2626}.notif-info{color:var(--accent)}.btn-secure{width:100%;background:#ef4444;color:#fff;border:none;padding:8px;border-radius:6px;font-weight:600;cursor:pointer;transition:background .2s}.btn-secure:hover{background:#dc2626}.btn-read{background:transparent;border:1px solid var(--border-dim);color:var(--text-muted);padding:4px 8px;border-radius:4px;font-size:.75rem;cursor:pointer;display:flex;align-items:center;gap:4px}.btn-read:hover{background:var(--bg-main);color:var(--text-primary)}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.course-card-modern{display:flex;flex-direction:column;height:100%;padding:1.5rem;background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;transition:all .3s ease;overflow:hidden}.course-card-modern:hover{transform:translateY(-8px);box-shadow:0 20px 40px -10px #6366f126;border-color:#6366f14d}.line-clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}:root{--bg-main: #f8fafc;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border-color: #e2e8f0;--accent: #6366f1;--bg-viewport: #f8fafc;--bg-surface: #ffffff;--text-primary: #1e293b;--border-dim: #e2e8f0}[data-theme=dark]{--bg-main: #0f172a;--bg-card: #1e293b;--text-main: #f1f5f9;--text-muted: #94a3b8;--border-color: #334155;--bg-viewport: #0f172a;--bg-surface: #1e293b;--text-primary: #f1f5f9;--border-dim: #334155}.dashboard-wrapper{min-height:100vh;background:var(--bg-main);color:var(--text-primary);font-family:system-ui,sans-serif}.dashboard-nav{background:var(--bg-card);border-bottom:1px solid var(--border-color);padding:1rem 2rem}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo-text{font-weight:800;color:var(--accent);margin:0}.user-avatar{width:35px;height:35px;border-radius:8px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}.dashboard-main-content{max-width:1200px;margin:0 auto;padding:2rem}.info-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:24px;padding:2rem;margin-bottom:.5rem}.highlight{border-left:5px solid var(--accent)}.card-header-flex{display:flex;justify-content:space-between;align-items:flex-start}.brand-name-role{color:var(--accent);font-weight:700;font-size:.9rem;text-transform:uppercase}.lesson-item-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:16px;padding:1.5rem;margin-bottom:1rem;transition:transform .2s}.lesson-item-card:hover{transform:translateY(-2px)}.lesson-header{display:flex;justify-content:space-between;align-items:center}.edit-modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);padding:20px}.edit-modal-content{background:var(--bg-card);color:var(--text-main);width:100%;max-width:750px;max-height:90vh;border-radius:24px;border:1px solid var(--border-color);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.edit-modal-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.edit-modal-body{padding:1.5rem;overflow-y:auto}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-size:.75rem;font-weight:700;margin-bottom:6px;color:var(--text-muted);text-transform:uppercase}.form-control{width:100%;padding:12px;border-radius:10px;background:var(--bg-main);border:1px solid var(--border-color);color:var(--text-main);outline:none;transition:border-color .2s}.form-control:focus{border-color:var(--accent)}.btn-save{background:var(--accent);color:#fff;border:none;padding:12px 24px;border-radius:12px;cursor:pointer;display:flex;align-items:center;gap:10px;font-weight:700;transition:opacity .2s}.btn-save:hover{opacity:.9}.btn-edit-action{background:#6366f11a;color:var(--accent);border:1px solid var(--accent);padding:6px 14px;border-radius:10px;cursor:pointer;font-size:.85rem;display:flex;align-items:center;gap:6px;font-weight:600}.btn-edit-action:hover{background:var(--accent);color:#fff}.loading-msg{padding:2rem;text-align:center;color:var(--text-muted)}:root{--primary-blue: #1e293b;--dark-text: #333;--bg-gray: #f4f7f6}.h1{margin:0;font-size:28px;text-transform:uppercase;letter-spacing:2px}.h2{background-color:var(--text-main);color:var(--bg-main);padding:8px 15px;border-left:5px solid var(--lime-green);font-size:18px;margin-top:25px;page-break-after:avoid}.command-group{margin-bottom:15px}.description{font-weight:600;font-size:14px;margin-bottom:4px;display:block;color:var(--text-muted)}code{display:block;background-color:var(--bg-command);color:var(--desc-command);padding:10px;border-radius:4px;font-family:Consolas,monospace;font-size:13px;margin-bottom:10px;border-left:3px solid var(--lime-green)}.footer{margin-top:30px;text-align:center;font-size:12px;color:#888;border-top:1px solid #eee;padding-top:10px}@media print{.h2{margin-top:20px}.command-group{page-break-inside:avoid}}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.brand-name-navbar{font-family:system-ui;font-size:clamp(2rem,6vw,3.5rem);font-weight:70;display:block;margin-bottom:-.5rem;letter-spacing:-2px;background:linear-gradient(135deg,#45cd7e,#6366f1,#a855f7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 30px rgba(99,102,241,.3));animation:shimmer 5s infinite linear;background-size:200% auto}.commands-container{padding:1rem;max-width:1200px;margin:0 auto}.tech-section{margin-bottom:1.5rem;border-radius:12px;background:var(--bg-card);border:1px solid var(--border-color);box-shadow:0 4px 6px -1px #0000001a;overflow:hidden}.tech-header{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 1.5rem;cursor:pointer;background:var(--bg-surface);transition:background-color .3s}.tech-header:hover{background:#6366f10d}.tech-header.active{border-bottom:1px solid var(--border-dim)}.tech-header-title{display:flex;align-items:center;gap:12px;font-size:1.3rem;font-weight:700;color:var(--text-primary)}.tech-icon{color:var(--accent)}.tech-chevron{color:var(--text-muted)}.tech-body{padding:2rem 1.5rem;background:var(--bg-main)}.section-container{margin-bottom:3rem}.section-container:last-child{margin-bottom:0}.section-title-wrapper{margin-bottom:1.5rem}.section-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:1px}.section-divider{height:2px;width:50px;background:var(--accent);margin-top:8px;border-radius:2px}.snippets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.snippet-card{display:flex;flex-direction:column;background:var(--bg-surface);border:1px solid var(--border-dim);border-radius:10px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}.snippet-card:hover{transform:translateY(-3px);box-shadow:0 10px 20px #0000001a;border-color:#6366f14d}.snippet-header{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#00000005;border-bottom:1px solid var(--border-dim)}.snippet-title-box{display:flex;align-items:center;gap:8px;color:var(--text-primary)}.snippet-title-box h4{font-size:1rem;font-weight:600;font-family:monospace;margin:0}.snippet-icon{color:var(--text-muted)}.copy-btn{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:6px;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s}.copy-btn:hover{background:#6366f11a;color:var(--accent)}.snippet-desc{padding:1rem;color:var(--text-muted);font-size:.95rem;line-height:1.5;flex-grow:1}.snippet-code-wrapper{background:var(--bg-command);padding:1.2rem 1rem;overflow-x:auto;border-top:1px solid rgba(255,255,255,.05)}.snippet-code-wrapper code{color:var(--desc-command);font-family:Courier New,Courier,monospace;font-size:.9rem;white-space:pre-wrap;word-break:break-all}@media(max-width:768px){.tech-header{padding:1rem}.tech-body{padding:1.5rem 1rem}.snippets-grid{grid-template-columns:1fr}}