:root{--bg: #030712;--bg-gradient: radial-gradient(circle at 50% 0%, #1e1b4b, transparent 45%);--card-bg: rgba(17, 24, 39, .6);--card-border: rgba(255, 255, 255, .08);--card-hover-border: rgba(255, 255, 255, .15);--accent-primary: #8b5cf6;--accent-glow: rgba(139, 92, 246, .3);--success: #10b981;--success-bg: rgba(16, 185, 129, .1);--text-main: #f9fafb;--text-muted: #9ca3af;--text-dim: #6b7280;--radius: 12px;--transition: .2s ease}*{box-sizing:border-box}body{margin:0;background-color:var(--bg);background-image:var(--bg-gradient);background-attachment:fixed;color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;padding-bottom:80px}#root{max-width:900px;margin:0 auto;padding:0 20px}h1,h2,h3{font-family:Space Grotesk,sans-serif;margin:0;letter-spacing:-.02em}.header-container{padding:60px 0 40px;text-align:center}.brand-title{font-size:clamp(32px,5vw,48px);font-weight:700;background:linear-gradient(to bottom right,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:16px}.brand-subtitle{color:var(--text-muted);font-size:18px;line-height:1.5;max-width:600px;margin:0 auto 32px}.sticky-progress{position:sticky;top:20px;z-index:100;background:#030712cc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--card-border);border-radius:999px;padding:8px 16px;display:flex;align-items:center;gap:16px;box-shadow:0 10px 30px -10px #00000080;margin-bottom:40px}.global-bar-track{flex:1;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.global-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),#6366f1);transition:width .5s cubic-bezier(.4,0,.2,1)}.difficulty-badge{font-size:10px;padding:4px 8px;border-radius:6px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:1px solid transparent;width:fit-content;flex-shrink:0;line-height:1}.difficulty-badge.easy{color:#34d399;background:#34d3991a;border-color:#34d39933}.difficulty-badge.medium{color:#fbbf24;background:#fbbf241a;border-color:#fbbf2433}.difficulty-badge.hard{color:#f87171;background:#f871711a;border-color:#f8717133}.global-stat{font-size:14px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}.actions-row{display:flex;justify-content:flex-end;gap:12px;margin-bottom:24px}.btn-ghost{background:transparent;border:1px solid transparent;color:var(--text-muted);font-size:13px;cursor:pointer;padding:6px 12px;border-radius:6px;transition:var(--transition)}.btn-ghost:hover{color:var(--text-main);background:#ffffff0d}.day-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);margin-bottom:20px;overflow:hidden;transition:border-color var(--transition)}.day-card:hover{border-color:var(--card-hover-border)}.day-card.completed{border-color:#10b9814d}.day-header{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-user-select:none;user-select:none;background:#ffffff03;transition:background var(--transition)}.day-header:hover{background:#ffffff08}.day-info{display:flex;align-items:center;gap:16px}.day-badge{background:#ffffff0d;border:1px solid var(--card-border);padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.day-title{font-size:18px;font-weight:600}.day-meta{display:flex;align-items:center;gap:12px}.chevron{color:var(--text-dim);transition:transform .3s ease}.day-card.open .chevron{transform:rotate(180deg)}.day-body{border-top:1px solid var(--card-border);background:#0003;display:none}.day-card.open .day-body{display:block;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.task-list{padding:12px;display:flex;flex-direction:column;gap:4px}.task-item{display:flex;align-items:center;padding:12px 16px;border-radius:8px;background:transparent;transition:background var(--transition);cursor:pointer;text-decoration:none;color:inherit}.task-item:hover{background:#ffffff08}.checkbox-custom{width:20px;height:20px;border:2px solid var(--card-border);border-radius:6px;margin-right:16px;display:grid;place-items:center;transition:all .2s cubic-bezier(.4,0,.2,1);flex-shrink:0}.task-item.checked .checkbox-custom{background:var(--success);border-color:var(--success)}.checkmark{opacity:0;color:#000;transform:scale(.5);transition:all .2s}.task-item.checked .checkmark{opacity:1;transform:scale(1)}.task-content{flex:1;display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.task-name{font-size:15px;font-weight:500;color:var(--text-main);transition:color var(--transition);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.task-item.checked .task-name{color:var(--text-dim);text-decoration:line-through}.task-tag{font-size:11px;color:var(--text-dim);margin-top:2px}.day-footer{padding:12px 24px 20px;border-top:1px dashed var(--card-border)}.resources-label{font-size:11px;text-transform:uppercase;color:var(--text-dim);letter-spacing:.05em;margin-bottom:8px;display:block}.resource-link{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--accent-primary);text-decoration:none;padding:6px 12px;background:#8b5cf61a;border-radius:6px;transition:var(--transition)}.resource-link:hover{background:#8b5cf633}@media (max-width: 600px){.header-container{padding:40px 0 20px}.day-header{padding:16px}.day-title{font-size:16px}.day-meta{display:none}.sticky-progress{bottom:20px;top:auto}.task-content{flex-direction:column;align-items:flex-start;gap:4px}.difficulty-badge{margin-top:2px;font-size:9px}}