:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a2e;--bg-card-hover: #22223a;--text-primary: #e8e8f0;--text-secondary: #8888a0;--text-muted: #555570;--accent-purple: #6C5CE7;--accent-green: #00B894;--accent-orange: #E17055;--accent-yellow: #FDCB6E;--accent-pink: #E84393;--accent-blue: #74b9ff;--border: #2a2a40;--glow-purple: 0 0 20px rgba(108, 92, 231, .3);--glow-green: 0 0 20px rgba(0, 184, 148, .3);--radius: 12px;--radius-lg: 16px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}#root{min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app{max-width:1200px;margin:0 auto;padding:20px}.hero{text-align:center;padding:40px 20px 30px;position:relative}.hero-badge{display:inline-block;background:linear-gradient(135deg,var(--accent-purple),var(--accent-pink));color:#fff;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:2px;padding:6px 16px;border-radius:20px;margin-bottom:16px}.hero h1{font-size:2.5rem;font-weight:900;background:linear-gradient(135deg,#fff,#a8a8d0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;line-height:1.2}.hero-subtitle{font-size:1rem;color:var(--text-secondary);max-width:600px;margin:0 auto;line-height:1.6}.hero-companies{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}.company-tag{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);font-size:12px;font-weight:600;padding:6px 14px;border-radius:20px;transition:all .2s}.company-tag:hover{border-color:var(--accent-purple);color:var(--accent-purple)}.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:24px 0}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center;transition:all .3s;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-purple),var(--accent-green));opacity:0;transition:opacity .3s}.stat-card:hover:before{opacity:1}.stat-card:hover{border-color:var(--accent-purple);transform:translateY(-2px);box-shadow:var(--glow-purple)}.stat-number{font-size:2rem;font-weight:900;line-height:1;margin-bottom:4px}.stat-number.purple{color:var(--accent-purple)}.stat-number.green{color:var(--accent-green)}.stat-number.orange{color:var(--accent-orange)}.stat-number.pink{color:var(--accent-pink)}.stat-number.yellow{color:var(--accent-yellow)}.stat-number.blue{color:var(--accent-blue)}.stat-label{font-size:12px;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:1px}.streak-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px 24px;margin:24px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.streak-fire{font-size:2.5rem;animation:fireGlow 1.5s ease-in-out infinite}@keyframes fireGlow{0%,to{filter:brightness(1);transform:scale(1)}50%{filter:brightness(1.3);transform:scale(1.1)}}.streak-info h3{font-size:1.2rem;font-weight:800}.streak-info p{color:var(--text-secondary);font-size:.85rem}.streak-days{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}.streak-dot{width:14px;height:14px;border-radius:3px;background:var(--bg-secondary);border:1px solid var(--border);transition:all .3s}.streak-dot.active{background:var(--accent-green);border-color:var(--accent-green);box-shadow:0 0 6px #00b89480}.streak-dot.today{border-color:var(--accent-yellow);animation:todayPulse 2s ease-in-out infinite}@keyframes todayPulse{0%,to{box-shadow:0 0 #fdcb6e66}50%{box-shadow:0 0 0 4px #fdcb6e00}}.progress-section{margin:24px 0}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.progress-header h3{font-size:.9rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.progress-header span{font-size:.85rem;color:var(--accent-purple);font-weight:700}.progress-track{width:100%;height:12px;background:var(--bg-card);border-radius:6px;overflow:hidden;border:1px solid var(--border)}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-purple),var(--accent-green));border-radius:6px;transition:width .8s cubic-bezier(.4,0,.2,1);position:relative}.progress-fill:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.phase-tabs{display:flex;gap:8px;margin:24px 0 16px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.phase-tab{flex-shrink:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:10px 18px;font-size:13px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s;white-space:nowrap}.phase-tab:hover{border-color:var(--accent-purple);color:var(--text-primary)}.phase-tab.active{background:var(--accent-purple);border-color:var(--accent-purple);color:#fff;box-shadow:var(--glow-purple)}.phase-tab .tab-count{background:#ffffff26;padding:2px 6px;border-radius:8px;font-size:11px;margin-left:6px}.phase-tab.active .tab-count{background:#ffffff40}.filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.filter-pill{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:6px 14px;font-size:12px;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}.filter-pill:hover{border-color:var(--text-muted);color:var(--text-primary)}.filter-pill.active{color:#fff}.filter-pill.active[data-cat=DSA]{background:var(--accent-purple);border-color:var(--accent-purple)}.filter-pill.active[data-cat=HLD]{background:var(--accent-green);border-color:var(--accent-green)}.filter-pill.active[data-cat=LLD]{background:var(--accent-orange);border-color:var(--accent-orange)}.filter-pill.active[data-cat=MIXED]{background:var(--accent-yellow);border-color:var(--accent-yellow);color:#333}.filter-pill.active[data-cat=MOCK]{background:var(--accent-pink);border-color:var(--accent-pink)}.filter-pill.active[data-cat=ALL]{background:var(--accent-blue);border-color:var(--accent-blue)}.days-grid{display:flex;flex-direction:column;gap:8px}.day-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .3s;cursor:pointer}.day-card:hover{border-color:var(--text-muted);transform:translate(4px)}.day-card.completed{border-color:var(--accent-green);border-left:4px solid var(--accent-green)}.day-card.completed .day-card-header{opacity:.7}.day-card.expanded{border-color:var(--accent-purple);box-shadow:var(--glow-purple)}.day-card.today-card{border-color:var(--accent-yellow);box-shadow:0 0 20px #fdcb6e26;animation:todayGlow 3s ease-in-out infinite}@keyframes todayGlow{0%,to{box-shadow:0 0 20px #fdcb6e1a}50%{box-shadow:0 0 30px #fdcb6e33}}.day-card-header{padding:14px 18px;display:flex;align-items:center;gap:14px}.day-number{background:var(--bg-secondary);min-width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px;color:var(--text-muted);border:1px solid var(--border);flex-shrink:0}.day-card.completed .day-number{background:var(--accent-green);color:#fff;border-color:var(--accent-green)}.day-card.today-card .day-number{background:var(--accent-yellow);color:#333;border-color:var(--accent-yellow)}.day-info{flex:1;min-width:0}.day-info h3{font-size:.95rem;font-weight:700;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.day-card.completed .day-info h3{text-decoration:line-through;opacity:.6}.day-meta{display:flex;gap:8px;align-items:center}.category-badge{font-size:11px;font-weight:700;padding:2px 10px;border-radius:10px;text-transform:uppercase;letter-spacing:.5px}.date-badge{font-size:11px;font-weight:600;color:var(--text-secondary);background:var(--bg-secondary);padding:2px 8px;border-radius:8px;border:1px solid var(--border)}.weekend-badge{font-size:10px;font-weight:700;color:var(--accent-orange);background:#e170551f;padding:2px 8px;border-radius:8px;letter-spacing:.3px}.difficulty-dots{display:flex;gap:2px}.difficulty-dot{width:6px;height:6px;border-radius:50%;background:var(--text-muted)}.day-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.complete-btn{width:36px;height:36px;border-radius:50%;border:2px solid var(--border);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s;color:var(--text-muted);font-size:16px}.complete-btn:hover{border-color:var(--accent-green);color:var(--accent-green);transform:scale(1.1)}.complete-btn.done{background:var(--accent-green);border-color:var(--accent-green);color:#fff;animation:checkPop .4s cubic-bezier(.175,.885,.32,1.275)}@keyframes checkPop{0%{transform:scale(.8)}50%{transform:scale(1.2)}to{transform:scale(1)}}.expand-arrow{color:var(--text-muted);font-size:12px;transition:transform .3s}.day-card.expanded .expand-arrow{transform:rotate(180deg)}.day-content{padding:0 18px 18px;animation:slideDown .3s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.day-description{color:var(--text-secondary);font-size:.85rem;line-height:1.6;margin-bottom:16px;padding:12px;background:var(--bg-secondary);border-radius:var(--radius-sm);border-left:3px solid var(--accent-purple)}.tasks-list{display:flex;flex-direction:column;gap:6px}.task-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid transparent;transition:all .2s}.task-item:hover{border-color:var(--border);background:var(--bg-card-hover)}.task-check{width:22px;height:22px;border-radius:6px;border:2px solid var(--border);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s;color:transparent;font-size:12px}.task-check:hover{border-color:var(--accent-green)}.task-check.checked{background:var(--accent-green);border-color:var(--accent-green);color:#fff}.task-info{flex:1;min-width:0}.task-info.checked-task{text-decoration:line-through;opacity:.5}.task-name{font-size:.85rem;font-weight:600;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.task-name a{color:var(--accent-blue);text-decoration:none;transition:color .2s}.task-name a:hover{color:#fff;text-decoration:underline}.difficulty-tag{font-size:10px;font-weight:700;padding:2px 8px;border-radius:8px;text-transform:uppercase}.difficulty-tag.easy{background:#00b89426;color:var(--accent-green)}.difficulty-tag.medium{background:#fdcb6e26;color:var(--accent-yellow)}.difficulty-tag.hard{background:#e8439326;color:var(--accent-pink)}.difficulty-tag.mixed{background:#74b9ff26;color:var(--accent-blue)}.task-company{font-size:11px;color:var(--text-muted);margin-top:2px}.task-type-icon{font-size:14px}.concept-text{font-size:.85rem;color:var(--text-secondary);line-height:1.5}.complete-day-btn{width:100%;padding:12px;margin-top:12px;background:linear-gradient(135deg,var(--accent-purple),var(--accent-green));border:none;border-radius:var(--radius-sm);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:all .3s;text-transform:uppercase;letter-spacing:1px}.complete-day-btn:hover{transform:translateY(-2px);box-shadow:0 4px 20px #6c5ce766}.complete-day-btn:active{transform:translateY(0)}.complete-day-btn.already-done{background:var(--bg-secondary);color:var(--accent-green);border:1px solid var(--accent-green);cursor:default}.today-indicator{background:linear-gradient(135deg,#fdcb6e1a,#fdcb6e0d);border:1px solid var(--accent-yellow);border-radius:var(--radius);padding:12px 18px;margin-bottom:16px;display:flex;align-items:center;gap:12px;font-size:.9rem;font-weight:600;color:var(--accent-yellow)}.today-indicator span:first-child{font-size:1.5rem}.confetti-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1000}.celebration-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:999;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.celebration-modal{background:var(--bg-card);border:1px solid var(--accent-purple);border-radius:var(--radius-lg);padding:40px;text-align:center;max-width:400px;animation:scaleIn .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:var(--glow-purple)}@keyframes scaleIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.celebration-modal .emoji{font-size:3rem;margin-bottom:16px}.celebration-modal h2{font-size:1.4rem;font-weight:800;margin-bottom:8px}.celebration-modal p{color:var(--text-secondary);font-size:.9rem;margin-bottom:20px;line-height:1.5}.celebration-modal button{background:linear-gradient(135deg,var(--accent-purple),var(--accent-green));border:none;color:#fff;padding:10px 30px;border-radius:var(--radius-sm);font-weight:700;font-size:14px;cursor:pointer;transition:all .2s}.celebration-modal button:hover{transform:scale(1.05)}@media (max-width: 768px){.app{padding:12px}.hero h1{font-size:1.8rem}.stats-bar{grid-template-columns:repeat(2,1fr)}.streak-section{flex-direction:column;text-align:center}.streak-days{margin-left:0;justify-content:center}.day-card-header{padding:12px 14px}.day-number{min-width:38px;height:38px;font-size:14px}.day-info h3{font-size:.85rem}}.reset-section{text-align:center;margin-top:40px;padding:20px}.reset-btn{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:8px 20px;border-radius:var(--radius-sm);font-size:12px;cursor:pointer;transition:all .2s}.reset-btn:hover{border-color:#e74c3c;color:#e74c3c}.search-bar{position:relative;margin-bottom:16px}.search-bar input{width:100%;padding:12px 18px 12px 42px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;transition:all .2s}.search-bar input:focus{border-color:var(--accent-purple);box-shadow:var(--glow-purple)}.search-bar input::placeholder{color:var(--text-muted)}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:16px}.jump-section{display:flex;gap:8px;margin-bottom:16px;align-items:center}.jump-section label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;white-space:nowrap}.jump-section input{width:80px;padding:8px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;font-family:inherit;outline:none;text-align:center}.jump-section input:focus{border-color:var(--accent-purple)}.jump-btn{padding:8px 16px;background:var(--accent-purple);border:none;border-radius:var(--radius-sm);color:#fff;font-size:12px;font-weight:700;cursor:pointer;transition:all .2s}.jump-btn:hover{background:#5a4bd6}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state p{font-size:1.1rem;margin-top:10px}