@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-main:#f5f6fa;--bg-sidebar:#0f52ba;--bg-panel:#fff;--bg-card:#fff;--text-primary:#1f2937;--text-secondary:#6b7280;--text-sidebar:#fff;--text-sidebar-dim:#ffffffb3;--accent-yellow:#ffc107;--accent-yellow-hover:#e0a800;--accent-blue:#0f52ba;--border:#e5e7eb;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-main);color:var(--text-primary);min-height:100vh;font-family:Inter,sans-serif}.dashboard-layout{grid-template-columns:240px 1fr;min-height:100vh;display:grid}.sidebar{background-color:var(--bg-sidebar);color:var(--text-sidebar);flex-direction:column;padding:2rem 1.5rem;display:flex}.sidebar-logo{border-bottom:1px solid #ffffff1a;align-items:center;gap:.75rem;margin-bottom:3rem;padding-bottom:1rem;font-size:1.5rem;font-weight:700;display:flex}.sidebar-logo-icon{background-color:var(--accent-yellow);color:var(--text-primary);border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.nav-menu{flex-direction:column;gap:.5rem;display:flex}.nav-link{color:var(--text-sidebar-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:1rem;width:100%;padding:.85rem 1rem;font-size:1rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover,.nav-link.active{color:var(--text-sidebar);background-color:#ffffff1a}.main-content{height:100vh;padding:2.5rem 3rem;overflow-y:auto}.search-bar{background:var(--bg-panel);width:100%;max-width:400px;box-shadow:var(--shadow-sm);color:var(--text-secondary);border-radius:20px;align-items:center;gap:.5rem;margin-bottom:2rem;padding:.5rem 1.5rem;display:flex}.search-bar input{width:100%;color:var(--text-primary);background:0 0;border:none;outline:none;padding:.5rem 0;font-family:inherit}.hero-banner{background-color:var(--bg-panel);box-shadow:var(--shadow-sm);border-radius:20px;justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding:2.5rem;display:flex;position:relative;overflow:hidden}.hero-content h1{margin-bottom:.5rem;font-size:1.75rem}.hero-content p{color:var(--text-secondary);max-width:400px;margin-bottom:1.5rem;line-height:1.5}.btn-yellow{background-color:var(--accent-yellow);color:#000;cursor:pointer;border:none;border-radius:25px;padding:.75rem 1.5rem;font-family:inherit;font-size:.95rem;font-weight:600;transition:background-color .2s}.btn-yellow:hover{background-color:var(--accent-yellow-hover)}.section-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.section-header h2{font-size:1.25rem;font-weight:600}.section-header a{color:var(--accent-blue);font-size:.9rem;font-weight:500;text-decoration:none}.assignment-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-bottom:2.5rem;display:grid}.assignment-card{background-color:var(--bg-card);box-shadow:var(--shadow-sm);text-align:center;cursor:pointer;border-radius:16px;flex-direction:column;align-items:center;padding:1.5rem;transition:transform .2s,box-shadow .2s;display:flex}.assignment-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.card-title{margin-bottom:.25rem;font-weight:600}.card-subtitle{color:var(--text-secondary);margin-bottom:1rem;font-size:.85rem}.card-icon-container{background-color:#f3f4f6;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;margin-bottom:1rem;display:flex}.card-meta{width:100%;color:var(--text-secondary);justify-content:space-between;align-items:center;margin-top:1rem;font-size:.85rem;display:flex}.badge{background-color:#e5e7eb;border-radius:12px;padding:.2rem .6rem;font-size:.75rem;font-weight:500}.badge.new{color:#166534;background-color:#dcfce7}.activity-item{background-color:var(--bg-panel);box-shadow:var(--shadow-sm);border-radius:12px;align-items:center;gap:1rem;margin-bottom:.5rem;padding:1rem;display:flex}.activity-avatar{width:40px;height:40px;color:var(--text-secondary);background-color:#e5e7eb;border-radius:50%;justify-content:center;align-items:center;display:flex}.activity-content{flex:1;font-size:.95rem}.activity-time{color:var(--text-secondary);font-size:.85rem}.right-panel{background-color:var(--bg-panel);flex-direction:column;height:100vh;padding:2rem 1.5rem;display:flex;box-shadow:-1px 0 10px #00000005}.top-actions{justify-content:flex-end;gap:1rem;margin-bottom:2rem;display:flex}.icon-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none}.profile-pic{background-color:var(--accent-blue);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-weight:600;display:flex}.widget{margin-bottom:2.5rem}.widget h3{margin-bottom:1rem;font-size:1.1rem;font-weight:600}.task-list{flex-direction:column;gap:1rem;display:flex}.task-item{align-items:center;gap:.75rem;font-size:.9rem;display:flex}.task-dot{border-radius:50%;width:8px;height:8px}.task-time{color:var(--text-secondary);margin-left:auto;font-size:.8rem}.btn-primary{background-color:var(--accent-blue);color:#fff;cursor:pointer;border:none;border-radius:6px;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-family:inherit;font-weight:500;transition:opacity .2s;display:flex}.btn-primary:hover{opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.sandbox-container{background-color:var(--bg-panel);border:1px solid 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code{color:#ef4444;background-color:#f3f4f6;border-radius:4px;padding:.2rem .4rem;font-family:JetBrains Mono,monospace;font-size:.9em}.markdown-body pre{color:#f9fafb;background-color:#1f2937;border-radius:8px;margin-bottom:1rem;padding:1rem;overflow-x:auto}.markdown-body pre code{color:inherit;background:0 0}.markdown-body blockquote{border-left:4px solid var(--accent-yellow);background-color:#ffc1071a;border-radius:0 8px 8px 0;margin:1.5rem 0;padding:1rem}table{border-collapse:collapse;width:100%;margin-bottom:1.5rem}th,td{border:1px solid var(--border);text-align:left;padding:.75rem}th{background-color:#f9fafb}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{animation:1s linear infinite spin}.api-main-content{gap:1.5rem;width:100%;display:flex}.api-sidebar{border-right:1px solid var(--border);background-color:#f9fafb;border-radius:8px;flex-shrink:0;width:260px;padding:1rem}.api-sidebar-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem;font-size:.85rem;font-weight:600}.endpoint-list{margin:0;padding:0;list-style:none}.endpoint-item{cursor:pointer;border-radius:6px;align-items:center;gap:.75rem;margin-bottom:.25rem;padding:.75rem;transition:all .2s;display:flex}.endpoint-item:hover,.endpoint-item.active{background-color:var(--bg-card);box-shadow:var(--shadow-sm);color:var(--accent-blue);font-weight:500}.method-badge{border-radius:4px;padding:.2rem .5rem;font-size:.7rem;font-weight:700}.method-GET{color:#166534;background:#dcfce7}.method-POST{color:#1e3a8a;background:#dbeafe}.method-PUT{color:#854d0e;background:#fef9c3}.method-DELETE{color:#991b1b;background:#fee2e2}.workspace{flex-direction:column;flex:1;gap:1.5rem;display:flex}.request-panel{border:1px solid var(--border);background-color:#f9fafb;border-radius:8px;padding:1.5rem}.url-bar{gap:1rem;margin-bottom:1.5rem;display:flex}.url-input{border:1px solid var(--border);color:var(--text-primary);background-color:#fff;border-radius:6px;flex:1;padding:.75rem 1rem;font-family:JetBrains Mono,monospace;font-size:.9rem}.btn-danger{background-color:var(--danger);color:#fff;cursor:pointer;border:none;border-radius:6px;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-weight:500;display:flex}.params-container{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;display:grid}.param-group{flex-direction:column;display:flex}.param-select,.param-input{border:1px solid var(--border);background-color:#fff;border-radius:6px;padding:.6rem;font-family:inherit}.response-panel{border:1px solid var(--border);background-color:#fff;border-radius:8px;overflow:hidden}.response-header{border-bottom:1px solid var(--border);background-color:#f9fafb;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.status-badge{border-radius:12px;padding:.25rem .75rem;font-size:.8rem;font-weight:500}.status-2xx{color:#166534;background-color:#dcfce7}.status-5xx{color:#991b1b;background-color:#fee2e2}.response-body{padding:1.5rem}.json-viewer{color:#f9fafb;background-color:#1f2937;border-radius:8px;margin:0;padding:1rem;font-family:JetBrains Mono,monospace;font-size:.85rem;overflow-x:auto}.sandbox-header{border-bottom:1px solid var(--border);background-color:#f9fafb;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex}.sandbox-title{color:var(--text-primary);align-items:center;gap:.75rem;font-size:1.1rem;font-weight:600;display:flex}.sandbox-tabs{gap:.5rem;display:flex}.sandbox-tab{color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.sandbox-tab:hover{color:var(--text-primary);background:#f3f4f6}.sandbox-tab.active{color:var(--accent-blue);border-color:var(--accent-blue);background:#f3f4f6}.sandbox-content-padding{padding:1.5rem}.professional-layout{color:#111827;background-color:#f4f6f8;justify-content:center;min-height:100vh;font-family:Inter,system-ui,sans-serif;display:flex}.main-content{width:100%;max-width:1100px;margin:0 auto;padding:3rem 2rem}.search-bar{background:#fff;border:1px solid #e5e7eb;border-radius:12px;align-items:center;gap:.75rem;width:100%;max-width:450px;margin:0 auto 3rem;padding:.75rem 1.25rem;display:flex;box-shadow:0 1px 3px #0000000d,0 1px 2px #00000008}.search-bar input{font-size:.95rem}.hero-banner{background:linear-gradient(135deg,#fff 0%,#f9fafb 100%);border:1px solid #e5e7eb;border-radius:16px;justify-content:space-between;align-items:center;margin-bottom:4rem;padding:3rem;display:flex;box-shadow:0 4px 6px -1px #00000005,0 2px 4px -1px #00000005}.hero-content h1{color:#111827;letter-spacing:-.025em;margin-bottom:.75rem;font-size:2.25rem;font-weight:700}.hero-content p{color:#4b5563;margin-bottom:2rem;font-size:1.05rem}.btn-yellow{color:#fff;background-color:#111827;border-radius:8px;padding:.85rem 2rem;font-size:1rem;font-weight:500;transition:all .2s;box-shadow:0 4px 6px -1px #1118271a}.btn-yellow:hover{background-color:#374151;transform:translateY(-1px);box-shadow:0 6px 8px -1px #11182726}.hero-illustration{border:1px solid #f3f4f6;justify-content:center;align-items:center;width:120px;height:120px;display:flex;box-shadow:0 10px 15px -3px #0000000d;background:#fff!important;border-radius:50%!important;font-size:4rem!important}.section-header{border-bottom:1px solid #e5e7eb;margin-bottom:2rem;padding-bottom:.75rem}.section-header h2{color:#1f2937;letter-spacing:-.01em;font-size:1.5rem;font-weight:600}.section-header a{color:#6366f1;font-weight:500;transition:color .2s}.section-header a:hover{color:#4f46e5}.assignment-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem}.assignment-card{border:1px solid #e5e7eb;border-radius:16px;padding:2rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;box-shadow:0 1px 3px #00000005}.assignment-card:before{content:"";opacity:0;background:linear-gradient(90deg,#6366f1,#a855f7);width:100%;height:4px;transition:opacity .3s;position:absolute;top:0;left:0}.assignment-card:hover{border-color:#d1d5db;transform:translateY(-4px);box-shadow:0 12px 20px -5px #0000000d,0 8px 10px -6px #00000003}.assignment-card:hover:before{opacity:1}.card-icon-container{background-color:#f8fafc;border:1px solid #f1f5f9;width:56px;height:56px;margin-bottom:1.5rem}.card-title{color:#111827;margin-bottom:.5rem;font-size:1.15rem;font-weight:600}.card-subtitle{color:#6b7280;font-size:.95rem;line-height:1.5}.activity-item{border:1px solid #f3f4f6;padding:1.25rem 1.5rem;transition:background-color .2s}.activity-item:hover{background-color:#f9fafb}.activity-avatar{color:#475569;background-color:#e2e8f0;font-size:.85rem;font-weight:600}