@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";:root{--primary:#0d9488;--primary-light:#14b8a6;--primary-dark:#0f766e;--primary-50:#f0fdfa;--primary-100:#ccfbf1;--primary-200:#99f6e4;--accent:#f59e0b;--accent-light:#fbbf24;--accent-dark:#d97706;--success:#10b981;--success-light:#d1fae5;--warning:#f59e0b;--warning-light:#fef3c7;--danger:#ef4444;--danger-light:#fee2e2;--info:#3b82f6;--info-light:#dbeafe;--bg-primary:#f8fafb;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--bg-hover:#e2e8f0;--border:#e2e8f0;--border-light:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--text-inverse:#fff;--selection-bg:#2dd4bf;--selection-text:#042f2e;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace;--text-xs:.75rem;--text-sm:.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-xs:0 1px 2px #0000000a;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px #0000000a;--shadow-xl:0 20px 25px -5px #00000014, 0 10px 10px #0000000a;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--sidebar-width:260px;--header-height:64px}[data-theme=dark]{--bg-primary:#0b1120;--bg-secondary:#111827;--bg-tertiary:#1e293b;--bg-hover:#334155;--border:#334155;--border-light:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-tertiary:#64748b;--text-inverse:#0f172a;--selection-bg:#fcd34d;--selection-text:#1f2937;--primary-50:#0d94881a;--primary-100:#0d948833;--primary-200:#0d94884d;--success-light:#10b98126;--warning-light:#f59e0b26;--danger-light:#ef444426;--info-light:#3b82f626;--shadow-xs:0 1px 2px #0003;--shadow-sm:0 1px 3px #0000004d, 0 1px 2px #0003;--shadow-md:0 4px 6px -1px #0000004d, 0 2px 4px #0003;--shadow-lg:0 10px 15px -3px #0000004d, 0 4px 6px #0003;--shadow-xl:0 20px 25px -5px #0000004d, 0 10px 10px #0003}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}#root{min-height:100vh}a{color:var(--primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--primary-light)}::selection{background:var(--selection-bg);color:var(--selection-text)}::selection{background:var(--selection-bg);color:var(--selection-text)}button{cursor:pointer;font-family:var(--font-sans)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);z-index:100;transition:transform var(--transition-base), width var(--transition-base);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-x:hidden}.sidebar.collapsed{width:80px}.sidebar.collapsed .sidebar-header,.sidebar.collapsed .sidebar-nav,.sidebar.collapsed .sidebar-footer{padding:var(--space-md)}.sidebar.collapsed .sidebar-logo-text,.sidebar.collapsed .nav-section-title,.sidebar.collapsed .nav-item span,.sidebar.collapsed .theme-toggle span{display:none}.sidebar.collapsed .sidebar-logo{justify-content:center}.sidebar.collapsed .sidebar-logo>div{display:none}.sidebar.collapsed .nav-item,.sidebar.collapsed .theme-toggle{padding:var(--space-sm);justify-content:center}.sidebar-header{padding:var(--space-lg);border-bottom:1px solid var(--border)}.collapse-btn{top:48px;left:calc(var(--sidebar-width) - 12px);background:var(--bg-primary);border:1px solid var(--border);width:24px;height:24px;color:var(--text-secondary);cursor:pointer;z-index:101;transition:left var(--transition-base), transform var(--transition-fast), background var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:none;position:fixed;box-shadow:0 2px 5px #00000014}@media (width>=768px){.collapse-btn{display:flex}}.collapse-btn.collapsed{left:68px}.collapse-btn:hover{background:var(--bg-tertiary);color:var(--text-primary);transform:scale(1.1)}.sidebar-logo{align-items:center;gap:var(--space-sm);display:flex}.sidebar-logo .logo-image{border-radius:var(--radius-md);object-fit:cover;width:36px;height:36px}.sidebar-logo.collapsed-clickable{cursor:pointer}.sidebar-logo h1{font-size:var(--text-lg);color:var(--text-primary);letter-spacing:-.02em;white-space:nowrap;font-weight:700}.sidebar-logo .band-target{font-size:var(--text-xs);color:var(--accent);font-weight:600}.sidebar-nav{padding:var(--space-md);flex:1;overflow-y:auto}.nav-section{margin-bottom:var(--space-lg)}.nav-section-title{font-size:var(--text-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.08em;padding:0 var(--space-sm);margin-bottom:var(--space-sm);font-weight:600}.nav-item{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--text-sm);white-space:nowrap;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;width:100%;font-weight:500;text-decoration:none;display:flex}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:var(--primary-50);color:var(--primary);font-weight:600}[data-theme=dark] .nav-item.active{background:#0d948826}.nav-item .nav-icon{flex-shrink:0;width:20px;height:20px}.nav-item .nav-badge{font-size:var(--text-xs);background:var(--primary);color:#fff;border-radius:var(--radius-full);margin-left:auto;padding:2px 8px;font-weight:600}.sidebar-footer{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border)}.theme-toggle{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--text-sm);cursor:pointer;white-space:nowrap;width:100%;transition:all var(--transition-fast);background:0 0;border:none;font-weight:500;display:flex}.theme-toggle svg{flex-shrink:0}.theme-toggle:hover{background:var(--bg-tertiary);color:var(--text-primary)}.main-content{margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left var(--transition-base);flex:1}.main-content.expanded{margin-left:80px}.page-container{max-width:1200px;padding:var(--space-xl);margin:0 auto}.page-header{margin-bottom:var(--space-xl)}.page-header h2{font-size:var(--text-2xl);color:var(--text-primary);letter-spacing:-.02em;font-weight:700}.page-header p{color:var(--text-secondary);margin-top:var(--space-xs);font-size:var(--text-sm)}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-fast);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.card:hover{box-shadow:var(--shadow-md)}.card-header{margin-bottom:var(--space-md);justify-content:space-between;align-items:center;display:flex}.card-title{font-size:var(--text-base);color:var(--text-primary);font-weight:600}.card-subtitle{font-size:var(--text-sm);color:var(--text-secondary)}.dashboard-greeting{margin-bottom:var(--space-xl)}.dashboard-greeting h2{font-size:var(--text-3xl);letter-spacing:-.03em;background:linear-gradient(135deg, var(--primary), var(--primary-light));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.dashboard-greeting p{color:var(--text-secondary);font-size:var(--text-base);margin-top:var(--space-xs)}.personalization-card{margin-bottom:var(--space-xl)}.personalization-text{color:var(--text-secondary);font-size:var(--text-sm);margin-bottom:var(--space-md)}.focus-badges{gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap;display:flex}.focus-badge{border-radius:var(--radius-full);background:var(--primary-100);color:var(--primary);font-size:var(--text-xs);text-transform:capitalize;align-items:center;padding:6px 10px;font-weight:600;display:inline-flex}.personalization-actions{gap:var(--space-sm);flex-wrap:wrap;display:flex}.onboarding-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:500;padding:var(--space-lg);background:radial-gradient(circle at 100% 0,#0d94882e,#0000 50%),#020617c7;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.onboarding-modal{width:min(920px,100%);max-height:calc(100vh - 2 * var(--space-lg));border:1px solid #94a3b847;overflow-y:auto;box-shadow:0 24px 60px #02061780,inset 0 1px #ffffff0a}.onboarding-header{margin-bottom:var(--space-md)}.onboarding-header h2{letter-spacing:-.02em;background:linear-gradient(120deg, var(--text-primary), var(--primary-light));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:clamp(1.5rem,2.5vw,2rem);font-weight:800}.onboarding-header p{color:var(--text-secondary);max-width:62ch;margin-top:6px}.onboarding-steps{gap:var(--space-md);margin-top:var(--space-lg);display:flex}.onboarding-step{border:1px solid var(--border);width:36px;height:36px;font-size:var(--text-xs);color:var(--text-secondary);background:var(--bg-primary);transition:all var(--transition-fast);border-radius:999px;justify-content:center;align-items:center;display:flex}.onboarding-step.active{border-color:var(--primary);background:linear-gradient(135deg, var(--primary-100), #0d94880f);color:var(--primary-light);font-weight:700;box-shadow:0 0 0 4px #0d948824}.onboarding-content{margin-top:var(--space-xl);background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-lg)}.onboarding-grid-2{gap:var(--space-md);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.onboarding-field-group{gap:var(--space-xs);margin-bottom:var(--space-md);flex-direction:column;display:flex}.onboarding-field-group label{font-size:var(--text-sm);color:var(--text-secondary);letter-spacing:.01em;font-weight:600}.onboarding-help-text{color:var(--text-tertiary);font-size:var(--text-xs)}.onboarding-help-error{color:var(--danger);margin-top:var(--space-xs)}.onboarding-input-wrap{align-items:center;gap:var(--space-sm);border:1px solid var(--border);border-radius:var(--radius-lg);padding:0 var(--space-md);background:var(--bg-primary);min-height:52px;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);display:flex}.onboarding-input-wrap input{width:100%;padding:var(--space-sm) 0;color:var(--text-primary);background:0 0;border:none;outline:none}.onboarding-input-wrap:focus-within,.onboarding-input:focus,.onboarding-field-group select:focus,.onboarding-date-trigger.open{border-color:var(--primary);box-shadow:0 0 0 3px #0d94882e}.onboarding-input,.onboarding-field-group select{border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-sm) var(--space-md);background:var(--bg-primary);min-height:52px;color:var(--text-primary);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none}.onboarding-select{position:relative}.onboarding-select-trigger{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-primary);width:100%;min-height:52px;color:var(--text-primary);padding:var(--space-sm) var(--space-md);font-size:var(--text-base);cursor:pointer;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.onboarding-select-trigger.open{border-color:var(--primary);box-shadow:0 0 0 3px #0d94882e}.onboarding-select-menu{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-secondary);width:100%;max-height:236px;box-shadow:var(--shadow-lg);z-index:30;padding:6px;position:absolute;top:calc(100% + 8px);left:0;overflow-y:auto}.onboarding-select-menu.top{top:auto;bottom:calc(100% + 8px)}.onboarding-select-option{width:100%;color:var(--text-primary);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);font-size:var(--text-sm);cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;display:flex}.onboarding-select-option:hover{background:var(--bg-tertiary)}.onboarding-select-option.active{background:var(--primary-50);color:var(--primary);font-weight:600}[data-theme=dark] .onboarding-select-option.active{background:#0d948833}.onboarding-chip-grid{gap:var(--space-sm);flex-wrap:wrap;display:flex}.onboarding-chip{border:1px solid var(--border);background:var(--bg-primary);color:var(--text-secondary);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-full);font-size:var(--text-xs);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:6px;display:inline-flex}.onboarding-chip.active{border-color:var(--primary);background:var(--primary-50);color:var(--primary);box-shadow:0 4px 12px #0d948826}[data-theme=dark] .onboarding-chip.active{background:#0d948833}.onboarding-style-grid{gap:var(--space-sm);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.onboarding-style-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-primary);padding:var(--space-md);text-align:left;cursor:pointer;transition:all var(--transition-fast)}.onboarding-style-card:hover{border-color:var(--primary-200);transform:translateY(-1px)}.onboarding-style-card h4{font-size:var(--text-sm);color:var(--text-primary);font-weight:700}.onboarding-style-card p{font-size:var(--text-xs);color:var(--text-tertiary);margin-top:6px}.onboarding-style-card.active{border-color:var(--primary);background:linear-gradient(135deg, var(--primary-50), #0d948814);box-shadow:0 10px 24px #0d948824}[data-theme=dark] .onboarding-style-card.active{background:#0d948833}.onboarding-date-wrap{position:relative}.onboarding-date-trigger{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-primary);width:100%;color:var(--text-primary);min-height:52px;padding:var(--space-sm) var(--space-md);align-items:center;gap:var(--space-sm);text-align:left;cursor:pointer;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);display:flex}.onboarding-date-trigger .placeholder{color:var(--text-tertiary)}.onboarding-date-clear{background:var(--bg-tertiary);width:32px;height:32px;color:var(--text-tertiary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:10px;right:10px}.onboarding-date-clear:hover{color:var(--text-primary);background:var(--bg-hover)}.onboarding-date-popover{border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg-secondary);width:100%;box-shadow:var(--shadow-lg);padding:var(--space-md);z-index:20;position:absolute;top:calc(100% + 10px);left:0}.onboarding-date-popover.top{top:auto;bottom:calc(100% + 10px)}.onboarding-date-header{margin-bottom:var(--space-sm);justify-content:space-between;align-items:center;display:flex}.onboarding-date-header strong{font-size:var(--text-sm);color:var(--text-primary)}.onboarding-date-nav{border:1px solid var(--border);background:var(--bg-primary);width:30px;height:30px;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;display:flex}.onboarding-date-nav:hover{color:var(--text-primary);border-color:var(--primary-200)}.onboarding-date-weekdays{grid-template-columns:repeat(7,1fr);margin-bottom:8px;display:grid}.onboarding-date-weekdays span{text-align:center;color:var(--text-tertiary);letter-spacing:.04em;text-transform:uppercase;font-size:11px;font-weight:600}.onboarding-date-grid{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.onboarding-date-cell{height:36px;color:var(--text-primary);border-radius:var(--radius-sm);font-size:var(--text-sm);cursor:pointer;background:0 0;border:none}.onboarding-date-cell:hover{background:var(--bg-tertiary)}.onboarding-date-cell.muted{color:var(--text-tertiary)}.onboarding-date-cell.today{border:1px solid var(--primary-200)}.onboarding-date-cell.selected{background:var(--primary);color:#fff;font-weight:700}.onboarding-summary h3{font-size:var(--text-xl);color:var(--text-primary);margin-bottom:var(--space-md)}.onboarding-summary-grid{gap:var(--space-sm);margin-bottom:var(--space-md);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.onboarding-summary-grid div{border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-sm);flex-direction:column;gap:4px;display:flex}.onboarding-summary-grid span{font-size:var(--text-xs);color:var(--text-tertiary)}.onboarding-summary-grid strong{font-size:var(--text-sm);color:var(--text-primary);text-transform:capitalize}.onboarding-footer{justify-content:flex-end;align-items:center;gap:var(--space-md);margin-top:var(--space-xl);display:flex}.onboarding-footer-actions{gap:var(--space-sm);display:flex}.stats-row{gap:var(--space-md);margin-bottom:var(--space-xl);grid-template-columns:repeat(4,1fr);display:grid}.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-lg);align-items:flex-start;gap:var(--space-md);transition:all var(--transition-fast);display:flex}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:flex}.stat-icon.teal{background:var(--primary-100);color:var(--primary)}.stat-icon.amber{background:var(--warning-light);color:var(--accent)}.stat-icon.green{background:var(--success-light);color:var(--success)}.stat-icon.blue{background:var(--info-light);color:var(--info)}.stat-info h4{font-size:var(--text-xs);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.stat-info .stat-value{font-size:var(--text-2xl);color:var(--text-primary);letter-spacing:-.02em;margin-top:2px;font-weight:800}.stat-info .stat-label{font-size:var(--text-xs);color:var(--text-tertiary)}.dashboard-grid{gap:var(--space-lg);grid-template-columns:2fr 1fr;display:grid}.task-list{gap:var(--space-sm);flex-direction:column;display:flex}.task-item{align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);background:var(--bg-tertiary);transition:all var(--transition-fast);cursor:pointer;display:flex}.task-item:hover{background:var(--bg-hover)}.task-item.completed{opacity:.6}.task-checkbox{border:2px solid var(--border);border-radius:var(--radius-sm);width:22px;height:22px;transition:all var(--transition-fast);background:var(--bg-secondary);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.task-checkbox.checked{background:var(--primary);border-color:var(--primary);color:#fff}.task-content{flex:1}.task-content h4{font-size:var(--text-sm);color:var(--text-primary);font-weight:600}.task-content p{font-size:var(--text-xs);color:var(--text-tertiary)}.task-duration{font-size:var(--text-xs);color:var(--text-tertiary);white-space:nowrap;font-weight:500}.task-tag{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;padding:2px 8px;font-size:10px;font-weight:600}.task-tag.reading{color:#1d4ed8;background:#dbeafe}.task-tag.writing{color:#be185d;background:#fce7f3}.task-tag.listening{color:#4338ca;background:#e0e7ff}.task-tag.speaking{color:#b45309;background:#fef3c7}.task-tag.grammar{color:#065f46;background:#d1fae5}.task-tag.vocabulary{color:#7c3aed;background:#f3e8ff}[data-theme=dark] .task-tag.reading{color:#60a5fa;background:#3b82f633}[data-theme=dark] .task-tag.writing{color:#f472b6;background:#ec489933}[data-theme=dark] .task-tag.listening{color:#818cf8;background:#6366f133}[data-theme=dark] .task-tag.speaking{color:#fbbf24;background:#f59e0b33}[data-theme=dark] .task-tag.grammar{color:#34d399;background:#10b98133}[data-theme=dark] .task-tag.vocabulary{color:#a78bfa;background:#8b5cf633}.progress-ring-container{align-items:center;gap:var(--space-md);flex-direction:column;display:flex}.progress-ring{width:140px;height:140px;position:relative}.progress-ring svg{transform:rotate(-90deg)}.progress-ring .ring-bg{fill:none;stroke:var(--border);stroke-width:8px}.progress-ring .ring-fill{fill:none;stroke:var(--primary);stroke-width:8px;stroke-linecap:round;transition:stroke-dashoffset var(--transition-slow)}.progress-ring .ring-text{text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.progress-ring .ring-value{font-size:var(--text-2xl);color:var(--text-primary);font-weight:800}.progress-ring .ring-label{font-size:var(--text-xs);color:var(--text-tertiary)}.streak-info{text-align:center}.streak-info .streak-number{font-size:var(--text-4xl);color:var(--accent);font-weight:800}.streak-info .streak-label{font-size:var(--text-sm);color:var(--text-secondary)}.streak-days{gap:var(--space-xs);margin-top:var(--space-md);justify-content:center;display:flex}.streak-day{border-radius:var(--radius-sm);width:32px;height:32px;font-size:var(--text-xs);background:var(--bg-tertiary);color:var(--text-tertiary);justify-content:center;align-items:center;font-weight:600;display:flex}.streak-day.active{background:var(--primary);color:#fff}.streak-day.today{border:2px solid var(--accent);color:var(--accent)}.timeline-controls{align-items:center;gap:var(--space-md);margin-bottom:var(--space-xl);flex-wrap:wrap;display:flex}.timeline-filter{gap:var(--space-xs);background:var(--bg-tertiary);border-radius:var(--radius-md);padding:3px;display:flex}.timeline-filter button{padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:var(--text-sm);color:var(--text-secondary);transition:all var(--transition-fast);background:0 0;border:none;font-weight:500}.timeline-filter button.active{background:var(--bg-secondary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.phase-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:var(--space-lg);overflow:hidden}.phase-header{padding:var(--space-lg);cursor:pointer;transition:background var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.phase-header:hover{background:var(--bg-tertiary)}.phase-title-group{align-items:center;gap:var(--space-md);display:flex}.phase-number{border-radius:var(--radius-md);width:40px;height:40px;font-weight:700;font-size:var(--text-base);color:#fff;justify-content:center;align-items:center;display:flex}.phase-number.p1{background:linear-gradient(135deg,#3b82f6,#2563eb)}.phase-number.p2{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.phase-number.p3{background:linear-gradient(135deg,#f59e0b,#d97706)}.phase-number.p4{background:linear-gradient(135deg,#10b981,#059669)}.phase-info h3{font-size:var(--text-lg);color:var(--text-primary);font-weight:700}.phase-info p{font-size:var(--text-sm);color:var(--text-secondary)}.phase-progress{align-items:center;gap:var(--space-md);display:flex}.phase-progress-bar{background:var(--bg-tertiary);border-radius:var(--radius-full);width:120px;height:6px;overflow:hidden}.phase-progress-fill{border-radius:var(--radius-full);background:var(--primary);height:100%;transition:width var(--transition-slow)}.phase-progress-text{font-size:var(--text-sm);color:var(--text-secondary);min-width:36px;font-weight:600}.phase-content{padding:0 var(--space-lg) var(--space-lg)}.week-card{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);transition:all var(--transition-fast)}.week-card.current{border-left:3px solid var(--primary);background:var(--primary-50)}[data-theme=dark] .week-card.current{background:#0d94881a}.week-card-header{padding:var(--space-xs) 0;border-radius:var(--radius-sm);transition:background var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.week-card-header:hover{opacity:.8}.week-title{font-size:var(--text-sm);color:var(--text-primary);font-weight:600}.week-dates{font-size:var(--text-xs);color:var(--text-tertiary)}.week-topics{margin-top:var(--space-sm);gap:var(--space-xs);flex-wrap:wrap;display:flex}.week-topic{font-size:var(--text-xs);border-radius:var(--radius-full);background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border);padding:2px 10px}.modules-grid{gap:var(--space-lg);grid-template-columns:repeat(3,1fr);display:grid}.module-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-xl);transition:all var(--transition-base);cursor:pointer;text-decoration:none;display:block}.module-card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary-200);transform:translateY(-3px)}.module-icon{border-radius:var(--radius-lg);width:52px;height:52px;margin-bottom:var(--space-md);justify-content:center;align-items:center;display:flex}.module-icon.reading{color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.module-icon.writing{color:#fff;background:linear-gradient(135deg,#ec4899,#be185d)}.module-icon.listening{color:#fff;background:linear-gradient(135deg,#6366f1,#4338ca)}.module-icon.speaking{color:#fff;background:linear-gradient(135deg,#f59e0b,#b45309)}.module-icon.grammar{color:#fff;background:linear-gradient(135deg,#10b981,#065f46)}.module-icon.vocabulary{color:#fff;background:linear-gradient(135deg,#8b5cf6,#6d28d9)}.module-icon.overview{color:#fff;background:linear-gradient(135deg,#06b6d4,#0891b2)}.module-card h3{font-size:var(--text-lg);color:var(--text-primary);margin-bottom:var(--space-xs);font-weight:700}.module-card p{font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--space-md);line-height:1.5}.module-progress{align-items:center;gap:var(--space-sm);display:flex}.module-progress-bar{background:var(--bg-tertiary);border-radius:var(--radius-full);flex:1;height:4px;overflow:hidden}.module-progress-fill{background:var(--primary);border-radius:var(--radius-full);height:100%;transition:width var(--transition-slow)}.module-progress-text{font-size:var(--text-xs);color:var(--text-secondary);font-weight:600}.lesson-layout{gap:var(--space-xl);grid-template-columns:280px 1fr;display:grid}.lesson-sidebar{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-md);top:var(--space-xl);max-height:calc(100vh - var(--space-2xl));position:sticky;overflow-y:auto}.lesson-nav-item{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:var(--text-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;width:100%;display:flex}.lesson-nav-item:hover{background:var(--bg-tertiary)}.lesson-nav-item.active{background:var(--primary-50);color:var(--primary);font-weight:600}[data-theme=dark] .lesson-nav-item.active{background:#0d948826}.lesson-nav-item.completed{color:var(--success)}.lesson-nav-icon{border:2px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:10px;display:flex}.lesson-nav-item.completed .lesson-nav-icon{background:var(--success);border-color:var(--success);color:#fff}.lesson-nav-item.active .lesson-nav-icon{border-color:var(--primary);color:var(--primary)}.lesson-content{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-2xl)}.lesson-content h3{font-size:var(--text-xl);color:var(--text-primary);margin-bottom:var(--space-md);font-weight:700}.lesson-content h4{font-size:var(--text-base);color:var(--text-primary);margin-top:var(--space-lg);margin-bottom:var(--space-sm);font-weight:600}.lesson-content p{font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--space-md);line-height:1.7}.lesson-complete-hint{margin-top:var(--space-sm);color:var(--text-tertiary);font-size:var(--text-xs);text-align:center}.lesson-complete-center{margin:var(--space-md) 0;justify-content:center;display:flex}.lesson-complete-btn{border-radius:var(--radius-full);color:#92400e;min-height:36px;font-size:var(--text-xs);background:#f59e0b1a;border:1px solid #f59e0b59;padding:0 14px;font-weight:600}.lesson-complete-btn:hover{background:#f59e0b2e;border-color:#f59e0b8c}.lesson-complete-btn.done{color:#065f46;background:#10b98121;border-color:#10b98166}.lesson-module-complete-btn{border-radius:var(--radius-full);color:#065f46;background:#10b9811f;border:1px solid #10b98173;min-height:40px;font-weight:700}.lesson-module-complete-btn:hover:not(:disabled){background:#10b98133}.lesson-module-complete-btn:disabled{opacity:.45;cursor:not-allowed}[data-theme=dark] .lesson-complete-btn{color:#fde68a}[data-theme=dark] .lesson-complete-btn.done,[data-theme=dark] .lesson-module-complete-btn{color:#86efac}.floating-study-timer-shell{z-index:110;position:fixed;bottom:10px;right:10px}.floating-timer-toggle{border:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:42px;height:42px;box-shadow:var(--shadow-md);color:var(--text-secondary);background:#ffffffeb;border-radius:999px;justify-content:center;align-items:center;animation:4.8s ease-in-out infinite timerFloat;display:inline-flex;position:relative}[data-theme=dark] .floating-timer-toggle{background:#111827eb}.floating-timer-toggle.running{color:#059669;border-color:#10b98180}.floating-study-timer-card{border-radius:var(--radius-lg);border:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:min(210px,100vw - 20px);box-shadow:var(--shadow-lg);background:#ffffffe6;padding:5px;position:absolute;bottom:0;right:0}[data-theme=dark] .floating-study-timer-card{background:#111827e0}.floating-study-timer-card.running{border-color:#10b98166}.floating-study-timer-card.finished{border-color:#f59e0b73}.floating-study-timer-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.floating-study-timer-title{color:var(--text-secondary);letter-spacing:.02em;align-items:center;gap:6px;font-size:11px;font-weight:700;display:flex}.floating-study-timer-minimize{border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-tertiary);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:22px;height:22px;display:inline-flex}.floating-study-timer-pulse{background:var(--success);border-radius:50%;width:7px;height:7px;animation:1.4s ease-out infinite timerPulse;position:absolute;top:-7px;right:0;box-shadow:0 0 #10b98199}.floating-study-timer-running-row{grid-template-columns:34px 1fr 34px;align-items:center;gap:8px;display:grid;position:relative}.floating-study-timer-display{font-family:var(--font-mono);color:var(--text-primary);text-align:center;margin-bottom:6px;font-size:1.2rem;font-weight:700}.floating-study-timer-display.running{letter-spacing:.02em;margin:0;font-size:1.2rem}.floating-timer-icon-btn{border:1px solid var(--border);background:var(--bg-secondary);border-radius:999px;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.floating-timer-icon-btn.pause{color:#92400e;background:#f59e0b1f;border-color:#f59e0b66}.floating-timer-icon-btn.reset{color:#1d4ed8;background:#3b82f61a;border-color:#3b82f659}.floating-study-timer-presets{flex-wrap:nowrap;align-items:center;gap:5px;margin-bottom:6px;display:flex}.floating-timer-chip{border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);white-space:nowrap;border-radius:999px;flex:1 1 0;justify-content:center;align-items:center;padding:4px 8px;font-size:10px;font-weight:600;display:inline-flex}.floating-timer-chip.active{border-color:var(--primary);color:var(--primary);background:var(--primary-50)}.floating-study-timer-custom{gap:5px;margin-bottom:6px;display:flex}.floating-study-timer-custom input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-primary);min-width:0;color:var(--text-primary);flex:1;padding:5px 7px;font-size:11px}.floating-study-timer-custom button{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);width:26px;height:26px;color:var(--text-secondary);justify-content:center;align-items:center;display:inline-flex}.floating-timer-custom-trigger{border:1px dashed var(--border);width:24px;height:24px;color:var(--text-tertiary);background:0 0;border-radius:999px;flex:0 0 24px;justify-content:center;align-items:center;display:inline-flex}.floating-study-timer-actions{gap:5px;display:flex}.floating-timer-btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-secondary);flex:1;justify-content:center;align-items:center;gap:4px;padding:5px 7px;font-size:10px;font-weight:700;display:inline-flex}.floating-timer-btn.start{color:#065f46;background:#10b9811f;border-color:#10b98166}.floating-timer-btn.pause{color:#92400e;background:#f59e0b1f;border-color:#f59e0b66}.floating-timer-btn.reset{color:#1d4ed8;background:#3b82f61a;border-color:#3b82f659}@keyframes timerFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}@keyframes timerPulse{0%{box-shadow:0 0 #10b98199}80%{box-shadow:0 0 0 8px #10b98100}to{box-shadow:0 0 #10b98100}}.lesson-content ul,.lesson-content ol{padding-left:var(--space-lg);margin-bottom:var(--space-md)}.lesson-content li{font-size:var(--text-sm);color:var(--text-secondary);margin-bottom:var(--space-xs);line-height:1.7}mark.persist-highlight{color:#0f172a;border-radius:4px;padding:0 2px;font-weight:500}mark.persist-highlight.persist-highlight-amber{background:#fcd34d}mark.persist-highlight.persist-highlight-mint{background:#6ee7b7}mark.persist-highlight.persist-highlight-sky{background:#7dd3fc}mark.persist-highlight.persist-highlight-rose{background:#fda4af}.selection-color-picker{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:60;padding:var(--space-sm);min-width:220px;position:fixed;transform:translate(-50%,calc(-100% - 8px))}.selection-color-picker-title{font-size:var(--text-xs);color:var(--text-secondary);margin-bottom:var(--space-xs);align-items:center;gap:6px;font-weight:600;display:flex}.selection-color-options{margin-bottom:var(--space-xs);align-items:center;gap:6px;display:flex}.selection-color-swatch{border:1px solid var(--border);cursor:pointer;width:26px;height:26px;transition:transform var(--transition-fast), border-color var(--transition-fast);border-radius:999px}.selection-color-swatch:hover{border-color:var(--text-secondary);transform:translateY(-1px)}.selection-color-swatch.amber{background:#fcd34d}.selection-color-swatch.mint{background:#6ee7b7}.selection-color-swatch.sky{background:#7dd3fc}.selection-color-swatch.rose{background:#fda4af}.selection-color-clear{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:6px;padding:5px 8px;font-size:11px;font-weight:600;display:inline-flex}.selection-color-clear:hover{border-color:var(--danger);color:var(--danger)}.lesson-example{background:var(--bg-tertiary);border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:var(--space-md) var(--space-lg);margin:var(--space-md) 0}.lesson-example .example-label{font-size:var(--text-xs);color:var(--primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-xs);font-weight:600}.lesson-example p{font-size:var(--text-sm);color:var(--text-primary);margin-bottom:var(--space-xs)}.lesson-tip{background:var(--warning-light);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);margin:var(--space-md) 0;gap:var(--space-sm);align-items:flex-start;display:flex}[data-theme=dark] .lesson-tip{background:#f59e0b1a}.lesson-tip .tip-icon{color:var(--accent);flex-shrink:0;margin-top:2px}.lesson-tip p{font-size:var(--text-sm);color:var(--text-primary);margin:0}.lesson-actions{margin-top:var(--space-2xl);padding-top:var(--space-lg);border-top:1px solid var(--border);justify-content:space-between;align-items:center;display:flex}.lesson-next-task-wrap{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid var(--border);justify-content:center;display:flex}.lesson-next-task-btn{border-radius:var(--radius-full);justify-content:center;align-items:center;gap:6px;min-width:180px;display:inline-flex}.lesson-related-quiz-wrap{margin-top:var(--space-sm);padding-top:var(--space-md);border-top:1px solid var(--border)}.lesson-related-quiz-title{font-size:var(--text-xs);letter-spacing:.02em;text-transform:uppercase;color:var(--text-tertiary);text-align:center;margin-bottom:var(--space-sm);font-weight:700}.lesson-related-quiz-list{gap:var(--space-sm);flex-wrap:wrap;justify-content:center;display:flex}.lesson-related-quiz-btn{border-radius:var(--radius-full);min-height:34px;font-size:var(--text-xs);justify-content:center;align-items:center;gap:6px;display:inline-flex}.quiz-container{max-width:720px;margin:0 auto}.quiz-header{margin-bottom:var(--space-xl);justify-content:space-between;align-items:center;display:flex}.quiz-progress{align-items:center;gap:var(--space-sm);display:flex}.quiz-progress-bar{background:var(--bg-tertiary);border-radius:var(--radius-full);width:200px;height:4px;overflow:hidden}.quiz-progress-fill{background:var(--primary);border-radius:var(--radius-full);height:100%;transition:width var(--transition-base)}.quiz-question-number{font-size:var(--text-sm);color:var(--text-tertiary);font-weight:500}.quiz-question{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-2xl)}.quiz-question h3{font-size:var(--text-lg);color:var(--text-primary);margin-bottom:var(--space-lg);font-weight:600;line-height:1.5}.quiz-options{gap:var(--space-sm);flex-direction:column;display:flex}.quiz-option{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);border:2px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:var(--bg-secondary);display:flex}.quiz-option:hover{border-color:var(--primary-200);background:var(--primary-50)}[data-theme=dark] .quiz-option:hover{background:#0d94881a}.quiz-option.selected{border-color:var(--primary);background:var(--primary-50)}[data-theme=dark] .quiz-option.selected{background:#0d948826}.quiz-option.correct{border-color:var(--success);background:var(--success-light)}[data-theme=dark] .quiz-option.correct{background:#10b98126}.quiz-option.incorrect{border-color:var(--danger);background:var(--danger-light)}[data-theme=dark] .quiz-option.incorrect{background:#ef444426}.quiz-option-letter{border:2px solid var(--border);width:32px;height:32px;font-size:var(--text-sm);transition:all var(--transition-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:flex}.quiz-option.selected .quiz-option-letter{background:var(--primary);border-color:var(--primary);color:#fff}.quiz-option.correct .quiz-option-letter{background:var(--success);border-color:var(--success);color:#fff}.quiz-option.incorrect .quiz-option-letter{background:var(--danger);border-color:var(--danger);color:#fff}.quiz-option-text{font-size:var(--text-sm);color:var(--text-primary);line-height:1.5}.quiz-explanation{margin-top:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--info-light);border-radius:var(--radius-md);border-left:3px solid var(--info)}[data-theme=dark] .quiz-explanation{background:#3b82f61a}.quiz-explanation p{font-size:var(--text-sm);color:var(--text-primary);line-height:1.6}.quiz-actions{margin-top:var(--space-lg);justify-content:space-between;display:flex}.quiz-results{text-align:center;padding:var(--space-2xl)}.quiz-score-circle{width:160px;height:160px;margin:0 auto var(--space-xl);position:relative}.quiz-score-circle svg{transform:rotate(-90deg)}.quiz-score-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.quiz-score-value{font-size:var(--text-3xl);color:var(--text-primary);font-weight:800}.quiz-score-label{font-size:var(--text-xs);color:var(--text-tertiary)}.quiz-results h3{font-size:var(--text-xl);margin-bottom:var(--space-sm);font-weight:700}.quiz-results p{color:var(--text-secondary);font-size:var(--text-sm);margin-bottom:var(--space-lg)}.writing-area{gap:var(--space-lg);grid-template-columns:1fr 1fr;display:grid}.writing-prompt{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-xl)}.writing-prompt .prompt-type{font-size:var(--text-xs);border-radius:var(--radius-full);background:var(--primary-100);color:var(--primary-dark);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-md);padding:4px 12px;font-weight:600;display:inline-block}.writing-prompt h3{font-size:var(--text-lg);color:var(--text-primary);margin-bottom:var(--space-md);font-weight:700}.writing-prompt p{font-size:var(--text-sm);color:var(--text-secondary);line-height:1.7}.writing-editor{flex-direction:column;display:flex}.writing-editor textarea{min-height:400px;padding:var(--space-lg);border:1px solid var(--border);border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:var(--text-sm);color:var(--text-primary);background:var(--bg-secondary);resize:none;transition:border-color var(--transition-fast);outline:none;flex:1;line-height:1.8}.writing-editor textarea:focus{border-color:var(--primary)}.writing-stats{gap:var(--space-lg);margin-top:var(--space-md);padding:var(--space-sm) 0;display:flex}.writing-stat{font-size:var(--text-xs);color:var(--text-tertiary);font-weight:500}.writing-stat span{color:var(--text-primary);font-weight:700}.analysis-grid{gap:var(--space-lg);grid-template-columns:1fr 1fr;display:grid}.radar-chart{justify-content:center;align-items:center;min-height:300px;display:flex}.skill-bars{gap:var(--space-md);flex-direction:column;display:flex}.skill-bar-item{align-items:center;gap:var(--space-md);display:flex}.skill-bar-label{font-size:var(--text-sm);color:var(--text-secondary);min-width:90px;font-weight:500}.skill-bar{background:var(--bg-tertiary);border-radius:var(--radius-full);flex:1;height:8px;overflow:hidden}.skill-bar-fill{border-radius:var(--radius-full);height:100%;transition:width 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