@import"https://fonts.googleapis.com/css2?family=Syne:wght@700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;700&display=swap";:root{--font-display: "Inter", sans-serif;--font-serif: "Marcellus", Georgia, serif;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace;--color-bg: #F3F4F6;--color-surface: #FFFFFF;--color-text-primary: #111827;--color-text-secondary: #4B5563;--color-text-light-secondary: #9CA3AF;--color-divider: #E5E7EB;--color-accent: #FF5A1F;--color-accent-hover: #E04E1A;--color-accent-light: #FFECE0;--color-sidebar-bg: #FFFFFF;--color-sidebar-border: #E5E7EB;--color-sidebar-hover: #F3F4F6;--color-sidebar-active: #F3F4F6;--color-row-hover: #F9FAFB;--color-l1: #10B981;--color-l2: #F59E0B;--color-l3: #EF4444;--color-lor: #D97706;--color-plan-explorer: #3B82F6;--color-plan-builder: #8B5CF6;--color-plan-pioneer: #D97706;--color-success: #10B981;--color-success-bg: #ECFDF5;--color-warning: #F59E0B;--color-warning-bg: #FFFBEB;--color-error: #EF4444;--color-error-bg: #FEF2F2;--sidebar-width: 250px;--transition-fast: all .15s ease-in-out}[data-theme=dark]{--color-bg: #0B0E14;--color-surface: #12151C;--color-text-primary: #F8FAFC;--color-text-secondary: #94A3B8;--color-text-light-secondary: #64748B;--color-divider: rgba(255, 255, 255, .08);--color-accent: #FF7E47;--color-accent-hover: #FF6726;--color-accent-light: #2D2722;--color-sidebar-bg: #0B0E14;--color-sidebar-border: rgba(255, 255, 255, .08);--color-sidebar-hover: #1A1E27;--color-sidebar-active: #1A1E27;--color-row-hover: #1A1E27;--color-l1: #34D399;--color-l2: #FBBF24;--color-l3: #F87171;--color-lor: #FBBF24;--color-plan-explorer: #60A5FA;--color-plan-builder: #A78BFA;--color-plan-pioneer: #FBBF24;--color-success: #34D399;--color-success-bg: #0D2018;--color-warning: #FBBF24;--color-warning-bg: #231A08;--color-error: #F87171;--color-error-bg: #240E08}[data-theme=dark] .bubble-bot,[data-theme=dark] .chat-option-btn{background-color:var(--color-surface);border-color:var(--color-divider);color:var(--color-text-primary)}[data-theme=dark] .chat-option-btn:hover{background-color:var(--color-sidebar-hover);border-color:var(--color-accent);color:var(--color-accent)}[data-theme=dark] .grid-row:hover{background-color:var(--color-row-hover)}[data-theme=dark] main.main-content{background-color:var(--color-bg)}[data-theme=dark] .stat-cell,[data-theme=dark] .heatmap-container{background-color:var(--color-surface);border-color:var(--color-divider)}[data-theme=dark] .form-control{background-color:var(--color-sidebar-hover);border-color:var(--color-divider);color:var(--color-text-primary)}[data-theme=dark] .form-control:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px #ff7e4740}[data-theme=dark] .modal-box{background-color:var(--color-surface);border-color:var(--color-divider)}[data-theme=dark] .btn-secondary{background-color:var(--color-surface);border-color:var(--color-divider);color:var(--color-text-primary)}[data-theme=dark] .btn-secondary:hover{background-color:var(--color-sidebar-hover)}[data-theme=dark] .btn-primary:hover{background-color:var(--color-accent-hover)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);font-size:14px;line-height:1.5;background-color:var(--color-bg);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;min-height:100vh}.workspace-wrapper{display:flex;min-height:100vh}aside.sidebar{width:var(--sidebar-width);background-color:var(--color-sidebar-bg);border-right:1px solid var(--color-sidebar-border);position:fixed;top:0;bottom:0;left:0;display:flex;flex-direction:column;justify-content:space-between;padding:16px 12px;z-index:10;overflow-y:auto;transition:background-color .3s ease,border-color .3s ease}aside.sidebar .logo-area{margin-bottom:24px;display:flex;flex-direction:column;text-decoration:none}aside.sidebar .logo-title{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--color-text-primary);letter-spacing:-.02em;text-transform:lowercase}aside.sidebar .logo-sub{font-family:var(--font-mono);font-size:9px;color:var(--color-text-secondary);text-transform:lowercase;letter-spacing:.05em;margin-top:2px}aside.sidebar .nav-group{margin-bottom:20px}aside.sidebar .nav-group-title{font-family:var(--font-mono);font-size:10px;font-weight:700;color:var(--color-text-secondary);text-transform:lowercase;letter-spacing:.08em;margin-bottom:8px;padding-left:8px}aside.sidebar .nav-link{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;color:var(--color-text-secondary);text-decoration:none;font-size:13.5px;font-weight:500;border-radius:8px;transition:all .15s ease-in-out;margin-bottom:4px}aside.sidebar .nav-link:hover{background-color:var(--color-sidebar-hover);color:var(--color-text-primary)}aside.sidebar .nav-link.active{background-color:var(--color-sidebar-active);color:var(--color-text-primary);font-weight:600}aside.sidebar .nav-link:after{content:"›";font-size:16px;color:var(--color-text-secondary);opacity:.5;transition:transform .15s ease}aside.sidebar .nav-link:hover:after{opacity:1;transform:translate(2px)}aside.sidebar .sidebar-footer{border-top:1px solid var(--color-divider);padding-top:16px;margin-top:auto}.sidebar-header-dropdown{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--color-divider);border-radius:8px;background-color:var(--color-surface);cursor:pointer;margin-bottom:12px;transition:background-color .15s ease}.sidebar-header-dropdown:hover,.sidebar-header.btn-secondary:hover{background-color:var(--color-bg)}.header-avatar{width:24px;height:24px;border-radius:6px;background-color:var(--color-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}.sidebar-search-container{display:flex;align-items:center;gap:8px;background-color:var(--color-bg);border:1px solid var(--color-divider);border-radius:8px;padding:8px 12px;margin:16px 0;cursor:pointer;font-size:13px;color:var(--color-text-secondary);transition:border-color .15s ease}.sidebar-search-container:hover{border-color:var(--color-text-light-secondary)}.sidebar-search-container .search-icon{font-size:12px;opacity:.7}.sidebar-search-container .search-placeholder{flex-grow:1;text-align:left}.sidebar-search-container .search-shortcut{font-family:var(--font-mono);font-size:10px;background-color:var(--color-surface);border:1px solid var(--color-divider);padding:1px 4px;border-radius:4px;color:var(--color-text-light-secondary)}.sidebar-promo-card{background:linear-gradient(135deg,#FFFDE0 0%,#FFE985 100%);border-radius:20px;padding:20px;margin:16px 0;position:relative;box-shadow:0 4px 12px #ffe98533;display:flex;flex-direction:column;align-items:center;text-align:center}.sidebar-promo-card .promo-badge{background-color:var(--color-surface);color:var(--color-text-primary);font-size:10px;font-weight:700;padding:3px 10px;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 4px #00000008}.sidebar-promo-card .promo-title{font-size:16px;font-weight:800;color:#372a04;margin-bottom:6px}.sidebar-promo-card .promo-desc{font-size:11px;color:#6b520a;line-height:1.4;margin-bottom:16px}.sidebar-promo-card .promo-btn{background-color:#111827;color:#fff;text-decoration:none;font-size:12px;font-weight:700;padding:8px 18px;border-radius:20px;transition:transform .15s ease}.sidebar-promo-card .promo-btn:hover{transform:scale(1.03)}.sidebar-profile-card{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-top:1px solid var(--color-divider);margin-top:16px}.profile-avatar{width:32px;height:32px;border-radius:50%;background-color:var(--color-accent-light);color:var(--color-accent);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}main.main-content{margin-left:var(--sidebar-width);flex-grow:1;background-color:var(--color-bg);padding:0;display:flex;flex-direction:column;min-height:100vh}.top-navbar{display:flex;align-items:center;justify-content:space-between;width:100%;height:56px;background-color:var(--color-surface);border-bottom:1px solid var(--color-divider);padding:0 24px;font-size:13px}.top-navbar-right{display:flex;align-items:center;gap:16px}.navbar-icon{font-size:18px;cursor:pointer;opacity:.7;transition:opacity .15s ease}.navbar-icon:hover{opacity:1}.streak-badge{display:flex;align-items:center;gap:4px;background-color:var(--color-bg);border:1px solid var(--color-divider);padding:4px 10px;border-radius:20px;font-weight:600}.attempt-card{background-color:var(--color-surface);border:1px solid var(--color-divider);border-radius:16px;padding:28px;margin-bottom:24px;position:relative;display:flex;flex-direction:column;gap:16px;box-shadow:0 1px 3px #0000000d;transition:var(--transition-fast)}.attempt-card:hover{box-shadow:0 8px 24px #0000000a;border-color:var(--color-text-light-secondary)}.attempt-card-badge{position:absolute;top:24px;right:24px;background-color:#e6fbdd;color:#10b981;font-size:11px;font-weight:700;padding:4px 12px;border-radius:20px}[data-theme=dark] .attempt-card-badge{background-color:#1e3f20;color:#34d399}.attempt-card-title{font-family:var(--font-body);font-size:20px;font-weight:800;color:var(--color-text-primary)}.attempt-card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-text-secondary)}.attempt-card-btn{display:inline-flex;align-items:center;gap:6px;background-color:var(--color-accent);color:#fff;border:none;padding:8px 20px;border-radius:20px;font-weight:700;font-size:13px;cursor:pointer;transition:background-color .15s ease;text-decoration:none;align-self:flex-start}.attempt-card-btn:hover{background-color:var(--color-accent-hover)}.attempt-card-link{font-size:13px;color:var(--color-accent);text-decoration:underline;font-weight:600;transition:color .15s ease}.attempt-card-link:hover{color:var(--color-accent-hover)}.content-container{width:100%;max-width:1240px;padding:0 24px}h1,h2,h3,h4{font-family:var(--font-display);color:var(--color-text-primary);font-weight:700}h2{font-size:20px;margin-bottom:16px}h3{font-size:16px;margin-bottom:12px}p{font-size:14px;line-height:1.6;color:var(--color-text-primary);margin-bottom:16px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:12px;font-weight:600;color:var(--color-text-secondary);margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}.form-control{width:100%;padding:10px 12px;border-radius:4px;border:1px solid var(--color-divider);font-family:var(--font-body);font-size:13px;background-color:var(--color-surface);color:var(--color-text-primary);transition:var(--transition-fast)}.form-control:focus{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 2px var(--color-accent-light)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;font-size:13px;font-weight:500;border-radius:4px;cursor:pointer;transition:var(--transition-fast);text-decoration:none;border:1px solid transparent}.btn-primary{background-color:var(--color-accent);color:var(--color-surface)}.btn-primary:hover{background-color:#1e3a6b}.btn-secondary{background-color:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-divider)}.btn-secondary:hover{background-color:var(--color-bg)}.panel{background-color:var(--color-surface);border:1px solid var(--color-divider);border-radius:20px;padding:28px;margin-bottom:24px;box-shadow:0 1px 3px #00000005,0 8px 24px #00000005}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:32px}.stat-cell{background-color:var(--color-surface);border:1px solid var(--color-divider);border-radius:16px;padding:24px;text-align:left;box-shadow:0 1px 3px #00000003,0 4px 12px #00000003;transition:var(--transition-fast)}.stat-cell:hover{border-color:var(--color-text-light-secondary);box-shadow:0 6px 18px #00000005}.stat-cell.disabled{background-color:var(--color-bg);opacity:.55}.stat-val{font-family:var(--font-display);font-size:28px;font-weight:800;color:var(--color-text-primary);margin-bottom:6px;line-height:1}.stat-lbl{font-size:11.5px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em}.grid-table{display:grid;gap:0;border:1px solid var(--color-divider);border-radius:16px;overflow:hidden}.grid-header-row{background-color:var(--color-bg);border-bottom:1px solid var(--color-divider);font-family:var(--font-body);font-size:12px;font-weight:600;color:var(--color-text-secondary);text-transform:capitalize;padding:14px 20px;display:grid;align-items:center}.grid-row{padding:16px 20px;border-bottom:1px solid var(--color-divider);display:grid;align-items:center;background-color:var(--color-surface);transition:var(--transition-fast)}.grid-row:last-child{border-bottom:none}.grid-row:hover{background-color:var(--color-row-hover)}.badge{display:inline-flex;align-items:center;padding:2px 6px;font-family:var(--font-mono);font-size:10px;font-weight:700;border-radius:2px;text-transform:uppercase;letter-spacing:.05em;border:1px solid transparent}.badge-l1{background-color:var(--color-accent-light);color:var(--color-l1);border-color:var(--color-l1)}.badge-l2{background-color:var(--color-warning-bg);color:var(--color-l2);border-color:var(--color-l2)}.badge-l3{background-color:var(--color-error-bg);color:var(--color-l3);border-color:var(--color-l3)}.badge-lor{background-color:#faf4e0;color:var(--color-lor);border-color:var(--color-lor)}.project-card{position:relative;background-color:var(--color-surface);border:1px solid var(--color-divider);border-radius:16px;padding:24px 24px 24px 48px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;transition:var(--transition-fast);box-shadow:0 1px 3px #00000005}.project-card:hover{border-color:var(--color-text-light-secondary);box-shadow:0 4px 16px #00000008}.project-card.l1{--stripe-color: var(--color-l1)}.project-card.l2{--stripe-color: var(--color-l2)}.project-card.l3{--stripe-color: var(--color-l3)}.difficulty-stripe{position:absolute;top:0;left:0;bottom:0;width:28px;background-color:var(--stripe-color);display:flex;align-items:center;justify-content:center;padding:16px 0;box-sizing:border-box}.difficulty-label{writing-mode:vertical-rl;transform:rotate(180deg);font-family:var(--font-mono);font-size:8px;font-weight:700;color:var(--color-surface);letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;text-align:center}.alert{padding:16px 20px;border-radius:14px;margin-bottom:24px;font-size:13.5px;font-weight:500;border:1px solid transparent}.alert-success{background-color:var(--color-success-bg);color:var(--color-success);border-color:var(--color-success)}.alert-danger{background-color:var(--color-error-bg);color:var(--color-error);border-color:var(--color-error)}.brief-section-title{font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.08em;margin:24px 0 10px;border-bottom:1px solid var(--color-divider);padding-bottom:4px}.brief-table{width:100%;border-collapse:collapse;margin-bottom:20px;font-size:13px}.brief-table td,.brief-table th{padding:8px 12px;border-bottom:1px solid var(--color-divider);text-align:left}.brief-table th{font-weight:600;color:var(--color-text-secondary)}.heatmap-container{padding:16px;border:1px solid var(--color-divider);border-radius:4px;background-color:var(--color-surface);margin-top:16px}.heatmap-grid{display:grid;grid-template-rows:repeat(7,1fr);grid-auto-flow:column;gap:3px;margin-top:16px}.heatmap-cell{aspect-ratio:1;background-color:#e2e2e6;border-radius:1px;cursor:pointer}.heatmap-cell[data-level="1"]{background-color:#c2f0c2}.heatmap-cell[data-level="2"]{background-color:#5cd65c}.heatmap-cell[data-level="3"]{background-color:#248f24}.heatmap-legend{display:flex;justify-content:flex-end;align-items:center;gap:6px;margin-top:8px;font-size:11px;color:var(--color-text-secondary)}.heatmap-legend-box{width:9px;height:9px;border-radius:1px}.conversational-container{max-width:680px;margin:40px auto}.chat-bubble-container{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.chat-bubble{padding:12px 16px;border-radius:8px;max-width:85%;font-size:14px}.bubble-bot{background-color:var(--color-surface);border:1px solid var(--color-divider);align-self:flex-start;border-bottom-left-radius:1px;color:var(--color-text-primary)}.bubble-user{background-color:var(--color-accent);color:var(--color-surface);align-self:flex-end;border-bottom-right-radius:1px}.chat-options{display:flex;flex-direction:column;gap:8px;margin-top:16px}.chat-option-btn{border:1px solid var(--color-divider);background-color:var(--color-surface);color:var(--color-text-primary);padding:12px;border-radius:4px;cursor:pointer;font-weight:500;font-size:13px;text-align:left;transition:var(--transition-fast)}.chat-option-btn:hover{border-color:var(--color-accent);background-color:var(--color-accent-light);color:var(--color-accent)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#0006;z-index:1000;display:flex;justify-content:center;align-items:center}.modal-box{background-color:var(--color-surface);padding:32px;border-radius:4px;border:1px solid var(--color-divider);max-width:480px;width:100%;box-shadow:0 4px 12px #0000000d}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}@media (max-width: 768px){.pricing-grid{grid-template-columns:1fr}}.pricing-card{border:1px solid var(--color-divider);background-color:var(--color-surface);border-radius:4px;padding:24px;display:flex;flex-direction:column;justify-content:space-between;transition:var(--transition-fast);position:relative;overflow:hidden}.pricing-card.featured{border-color:var(--color-accent);border-width:2px}.pricing-badge{position:absolute;top:10px;right:-30px;background-color:var(--color-accent);color:var(--color-surface);font-size:8px;font-weight:700;padding:4px 28px;transform:rotate(45deg);text-transform:uppercase}.pricing-name{font-family:var(--font-display);font-size:18px;font-weight:700;margin-bottom:8px}.price-amount{font-size:32px;font-weight:700;color:var(--color-accent);line-height:1}.pricing-features{list-style:none;margin-bottom:24px;flex-grow:1;margin-top:16px}.pricing-features li{font-size:12px;margin-bottom:8px;display:flex;align-items:center;gap:6px}.pricing-features li:before{content:"✓";color:var(--color-success);font-weight:700}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.content-container{animation:fadeInUp .4s cubic-bezier(.16,1,.3,1) both}.panel{transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s cubic-bezier(.16,1,.3,1),border-color .3s ease}.panel:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000000a}.btn{transition:all .3s cubic-bezier(.16,1,.3,1)}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0000000f}@keyframes pulseBadge{0%{transform:scale(1);box-shadow:0 0 #c4a03066}70%{transform:scale(1.06);box-shadow:0 0 0 5px #c4a03000}to{transform:scale(1);box-shadow:0 0 #c4a03000}}.nav-link span{animation:pulseBadge 2s infinite ease-in-out}aside.sidebar,main.main-content,.top-navbar,.attempt-card,.panel,.stats-grid,.btn,.badge,.alert,.modal-box,.breadcrumb,.page-title,.page-subtitle,.stat-lbl,.stat-val,.grid-header-row,.grid-row,.project-card,.difficulty-label,.search-result-row{text-transform:lowercase}.page-header{margin-bottom:24px!important}.page-subtitle{margin-bottom:8px!important}.mobile-bottom-nav{display:none}@media (max-width: 768px){#sidebar-toggle{display:inline-block!important;margin-right:8px}aside.sidebar{position:fixed;top:0;bottom:0;left:-100%!important;width:280px!important;z-index:1050;box-shadow:0 0 30px #0006;transition:left .3s cubic-bezier(.4,0,.2,1)!important;border-right:1px solid var(--color-divider);overflow-y:auto!important}aside.sidebar.open{left:0!important}main.main-content{margin-left:0!important;width:100vw!important;padding-bottom:80px!important}.top-navbar{padding:0 16px!important}.mobile-bottom-nav{position:fixed;bottom:0;left:0;right:0;height:64px;background-color:var(--color-surface);border-top:1px solid var(--color-divider);display:flex;justify-content:space-around;align-items:center;z-index:999;padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -2px 10px #00000008}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;color:var(--color-text-secondary);font-size:10px;font-weight:500;flex:1;height:100%;gap:2px;transition:var(--transition-fast);text-transform:lowercase}.mobile-nav-item.active{color:var(--color-accent);font-weight:700}.mobile-nav-item .nav-icon{font-size:18px}}