@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");:root{--bg-primary:#0a0a0f;--bg-secondary:#12121a;--bg-card:#1a1a2e;--bg-card-hover:#222240;--bg-glass:rgba(26,26,46,.7);--border-color:hsla(0,0%,100%,.06);--border-glow:rgba(108,99,255,.3);--text-primary:#f0f0f5;--text-secondary:#a0a0b8;--text-muted:#6b6b80;--accent-purple:#6c63ff;--accent-cyan:#4ecdc4;--accent-orange:#f7931a;--accent-green:#00c853;--accent-pink:#ff6b6b;--accent-blue:#00d2ff;--accent-yellow:#ffd600;--gradient-purple:linear-gradient(135deg,#6c63ff,#4ecdc4);--gradient-fire:linear-gradient(135deg,#f7931a,#ff6b6b);--gradient-ocean:linear-gradient(135deg,#00d2ff,#7b2ff7);--gradient-green:linear-gradient(135deg,#00c853,#b2ff59);--gradient-sunset:linear-gradient(135deg,#ff6f00,#ffd600);--shadow-sm:0 2px 8px rgba(0,0,0,.3);--shadow-md:0 4px 20px rgba(0,0,0,.4);--shadow-lg:0 8px 40px rgba(0,0,0,.5);--shadow-glow:0 0 30px rgba(108,99,255,.15);--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--nav-height:70px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(108,99,255,.04) 0,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(78,205,196,.03) 0,transparent 50%),radial-gradient(ellipse at 50% 80%,hsla(0,100%,71%,.02) 0,transparent 50%);z-index:-1;pointer-events:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-card);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-purple)}main{padding-bottom:calc(var(--nav-height) + 20px);min-height:100vh}.page-container{max-width:900px;margin:0 auto;padding:20px 16px}.page-header{margin-bottom:28px}.page-header h1{font-size:28px;font-weight:800;background:var(--gradient-purple);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{background:var(--bg-card-hover);border-color:var(--border-glow);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.glass-card{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px}.track-pills{display:flex;gap:8px;overflow-x:auto;padding:4px 0 12px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.track-pills::-webkit-scrollbar{display:none}.track-pill{display:flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:100px;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .3s ease;font-family:inherit}.track-pill:hover{background:var(--bg-card-hover);color:var(--text-primary)}.track-pill.active{color:#fff;border-color:transparent;box-shadow:var(--shadow-md)}.track-pill .emoji{font-size:16px}.year-tabs{display:flex;gap:4px;margin-bottom:20px;background:var(--bg-secondary);padding:4px;border-radius:var(--radius-md)}.year-tab{flex:1 1;padding:10px;text-align:center;background:transparent;border:none;color:var(--text-muted);font-size:13px;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:all .3s ease;font-family:inherit}.year-tab:hover{color:var(--text-secondary)}.year-tab.active{background:var(--accent-purple);color:#fff;box-shadow:0 2px 12px rgba(108,99,255,.4)}.progress-bar-container{width:100%;height:8px;background:var(--bg-secondary);border-radius:100px;overflow:hidden}.progress-bar-fill{height:100%;border-radius:100px;transition:width .6s cubic-bezier(.4,0,.2,1);position:relative}.progress-bar-fill:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.checklist{display:flex;flex-direction:column;gap:8px}.checklist-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--bg-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;border:1px solid transparent}.checklist-item:hover{background:var(--bg-card-hover);border-color:var(--border-color)}.checklist-item.completed{opacity:.6}.checklist-item.completed .checklist-text{text-decoration:line-through;color:var(--text-muted)}.checkbox{width:22px;height:22px;min-width:22px;border:2px solid var(--text-muted);border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;margin-top:1px}.checkbox.checked{border-color:var(--accent-green);background:var(--accent-green)}.checkbox.checked:after{content:"✓";color:#fff;font-size:13px;font-weight:700}.checklist-text{font-size:14px;font-weight:500;color:var(--text-primary);line-height:1.5}.checklist-desc{font-size:12px;color:var(--text-muted);margin-top:2px}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:18px;text-align:center;transition:all .3s ease}.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow)}.stat-icon{font-size:28px;margin-bottom:8px}.stat-value{font-size:28px;font-weight:800;background:var(--gradient-purple);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-label{font-size:12px;color:var(--text-muted);font-weight:500;margin-top:2px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:4px;gap:4px}.calendar-header{text-align:center;font-size:11px;font-weight:600;color:var(--text-muted);padding:8px 0}.calendar-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:12px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease;background:var(--bg-secondary);border:1px solid transparent}.calendar-day:hover{border-color:var(--accent-purple)}.calendar-day.today{border:2px solid var(--accent-purple);color:var(--accent-purple);font-weight:700}.calendar-day.present{background:var(--accent-green);color:#fff;font-weight:700}.calendar-day.empty{background:transparent;cursor:default}.calendar-day.empty:hover{border-color:transparent}.topic-list{display:flex;flex-direction:column;gap:6px}.topic-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-secondary);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary)}.topic-bullet{width:6px;height:6px;min-width:6px;border-radius:50%}.material-item{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--bg-secondary);border-radius:var(--radius-md);transition:all .2s ease;border:1px solid transparent;cursor:pointer}.material-item:hover{background:var(--bg-card-hover);border-color:var(--border-color)}.material-item.completed{opacity:.5}.material-type{font-size:10px;font-weight:600;padding:3px 8px;border-radius:100px;text-transform:uppercase;letter-spacing:.5px}.material-name{font-size:14px;font-weight:500;flex:1 1}.material-year{font-size:11px;color:var(--text-muted);font-weight:600;background:var(--bg-card);padding:3px 10px;border-radius:100px}.section-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}.section-title .emoji{font-size:22px}.attendance-btn{width:100%;padding:18px;border:none;border-radius:var(--radius-lg);font-size:16px;font-weight:700;cursor:pointer;transition:all .3s ease;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:10px}.attendance-btn.check-in{background:var(--gradient-purple);color:#fff;box-shadow:0 4px 20px rgba(108,99,255,.4)}.attendance-btn.check-in:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(108,99,255,.5)}.attendance-btn.checked{background:var(--bg-card);color:var(--accent-green);border:2px solid var(--accent-green)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeInUp .4s ease forwards}.animate-in:first-child{animation-delay:.05s}.animate-in:nth-child(2){animation-delay:.1s}.animate-in:nth-child(3){animation-delay:.15s}.animate-in:nth-child(4){animation-delay:.2s}.animate-in:nth-child(5){animation-delay:.25s}@media (min-width:768px){.page-container{padding:30px 24px}.page-header h1{font-size:36px}.stats-grid{grid-template-columns:repeat(4,1fr)}.stat-value{font-size:36px}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:rgba(10,10,15,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-color);justify-content:space-around;padding:0 8px;z-index:1000}.bottom-nav,.nav-item{display:flex;align-items:center}.nav-item{flex-direction:column;gap:4px;padding:8px 12px;border-radius:var(--radius-md);cursor:pointer;transition:all .2s 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ease;font-family:inherit}.month-nav-btn:hover{background:var(--bg-card-hover);color:var(--text-primary)}.month-title{font-size:16px;font-weight:700;color:var(--text-primary)}.track-progress-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:18px;margin-bottom:12px;transition:all .3s ease}.track-progress-card:hover{border-color:var(--border-glow)}.track-progress-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.track-progress-name{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}.track-progress-pct{font-size:20px;font-weight:800}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-state .emoji{font-size:48px;margin-bottom:12px}.empty-state p{font-size:14px}.streak-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:linear-gradient(135deg,hsla(0,100%,71%,.2),rgba(255,214,0,.2));border:1px solid hsla(0,100%,71%,.3);border-radius:100px;font-size:13px;font-weight:600;color:#ffd600}