:root{--bg:#080b12;--panel:#101522;--panel2:#151b2b;--line:#252d42;--text:#f3f5fb;--muted:#929bb2;--accent:#7c5cff;--accent2:#21d4a7;--danger:#ff5f73;--shadow:0 18px 45px rgba(0,0,0,.28)}*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:radial-gradient(circle at 90% 0,#211747 0,transparent 32%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{padding:28px 20px;border-right:1px solid var(--line);background:rgba(8,11,18,.82);backdrop-filter:blur(18px);position:sticky;top:0;height:100vh}.brand{display:flex;gap:11px;align-items:center;font-size:1.2rem;font-weight:800;margin:0 10px 32px}.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#b43cff);display:grid;place-items:center;box-shadow:0 8px 24px rgba(124,92,255,.35)}.nav{display:grid;gap:8px}.nav a{padding:12px 14px;border-radius:12px;color:var(--muted);font-weight:650}.nav a:hover,.nav a.active{background:var(--panel2);color:#fff}.sidebar-foot{position:absolute;bottom:24px;left:20px;right:20px}.user-mini{padding:12px;border:1px solid var(--line);border-radius:14px;font-size:.9rem}.user-mini small{display:block;color:var(--muted);margin-top:4px}.main{padding:30px 36px 70px;max-width:1500px;width:100%;margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.topbar h1{font-size:clamp(1.55rem,3vw,2.2rem);margin:0}.topbar p{margin:7px 0 0;color:var(--muted)}.btn{border:0;border-radius:12px;padding:11px 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;font-weight:750;cursor:pointer}.btn:hover{filter:brightness(1.12)}.btn.secondary{background:var(--panel2);border:1px solid 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var(--line);border-radius:16px;padding:14px;min-height:280px}.kanban-title{display:flex;justify-content:space-between;font-weight:750;margin-bottom:14px}.video-card{background:var(--panel2);border:1px solid var(--line);padding:13px;border-radius:12px;margin-bottom:10px}.video-card strong{display:block;font-size:.9rem;line-height:1.35}.video-card small{display:block;color:var(--muted);margin-top:8px}.mobile-menu{display:none}.menu-toggle{display:none}.calendar-list{display:grid;gap:10px}.calendar-item{display:grid;grid-template-columns:90px 1fr auto;gap:14px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:13px}.calendar-date{color:#b9acff;font-weight:800}@media(max-width:960px){.stats{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr}.shell{grid-template-columns:1fr}.sidebar{display:none}.main{padding:22px}.mobile-menu{display:flex;gap:8px;overflow:auto;margin-bottom:20px}.mobile-menu a{white-space:nowrap;padding:9px 12px;background:var(--panel);border-radius:10px;color:var(--muted)}}@media(max-width:620px){.stats,.form-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.topbar .btn{width:100%}.main{padding:18px}.calendar-item{grid-template-columns:1fr}.actions{flex-direction:column}.actions .btn{width:100%}}