@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--bg-color:#f1f5f9;--surface-color:#fff;--surface-hover:#f8fafc;--primary:linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);--primary-solid:#3b82f6;--primary-glow:#3b82f633;--accent:linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);--accent-solid:#8b5cf6;--text-primary:#0f172a;--text-secondary:#64748b;--danger:#ef4444;--success:#10b981;--warning:#f59e0b;--border-color:#0000000f;--glass:#fffc;--header-height:80px;--sidebar-width:280px}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0}body{background:var(--bg-color);color:var(--text-primary);font-family:Plus Jakarta Sans,sans-serif;line-height:1.6}h1,h2,h3,h4,.outfit{letter-spacing:-.02em;font-family:Plus Jakarta Sans,sans-serif}.bg-mesh{z-index:-1;background:radial-gradient(circle at 100% 0,#3b82f60d 0%,#0000 40%),radial-gradient(circle at 0 100%,#8b5cf60d 0%,#0000 40%);background-color:var(--bg-color);width:100%;height:100%;position:fixed;top:0;left:0}.dashboard-container{height:100vh;display:flex;position:relative}.sidebar{width:var(--sidebar-width);background:var(--surface-color);border-right:1px solid var(--border-color);z-index:100;flex-direction:column;padding:24px;transition:transform .3s;display:flex}.logo{color:var(--primary-solid);align-items:center;gap:12px;margin-bottom:40px;font-size:24px;font-weight:800;display:flex}.nav-link{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:12px;align-items:center;gap:12px;width:100%;margin-bottom:8px;padding:12px 16px;font-family:inherit;font-size:15px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link:hover{background:var(--surface-hover);color:var(--text-primary)}.nav-link.active{background:var(--primary-solid);color:#fff;box-shadow:0 8px 16px -4px var(--primary-glow)}.main-content{flex-direction:column;flex:1;width:100%;display:flex;overflow:hidden}.header{height:var(--header-height);border-bottom:1px solid var(--border-color);background:var(--glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:50;justify-content:space-between;align-items:center;padding:0 40px;display:flex}.page-container{flex:1;padding:40px;overflow-y:auto}.card{background:var(--surface-color);border:1px solid var(--border-color);border-radius:24px;margin-bottom:24px;padding:24px;box-shadow:0 1px 3px #00000005}.btn{cursor:pointer;border:1px solid #0000;border-radius:12px;align-items:center;gap:8px;padding:10px 20px;font-family:inherit;font-weight:600;transition:all .2s;display:flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px -6px var(--primary-glow)}.btn-primary:hover{box-shadow:0 10px 25px -8px var(--primary-glow);transform:translateY(-1px)}.btn-secondary{background:var(--surface-color);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--surface-hover)}.table-container{border-radius:12px;overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;background:#f8fafc;padding:16px;font-size:13px;font-weight:600}td{border-bottom:1px solid var(--border-color);padding:16px;font-size:14px}.table-row:hover{background:#f8fafc}.badge{text-transform:uppercase;border-radius:12px;padding:4px 10px;font-size:11px;font-weight:700}.badge-vocab{color:#1e40af;background:#dbeafe}.badge-exam{color:#6b21a8;background:#f3e8ff}.badge-active{color:#166534;background:#dcfce7}.badge-inactive{color:#991b1b;background:#fee2e2}.mobile-toggle{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:8px;display:none}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0003;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}@media (width<=1024px){.sidebar{position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:20px 0 50px #0000001a}.sidebar-overlay{z-index:90;background:#0003;width:100%;height:100%;display:none;position:fixed;top:0;left:0}.sidebar-overlay.open,.mobile-toggle{display:block}.header{padding:0 clamp(10px,3vw,20px)}.page-container{padding:clamp(10px,3vw,20px)}}@media (width<=640px){.header{gap:4px;padding:0 10px}.header h2{margin-right:-4px;font-size:clamp(13px,3.5vw,16px)}body{font-size:13px}.btn{border-radius:8px!important;gap:2px!important;padding:6px 8px!important;font-size:clamp(10px,2.5vw,12px)!important}.btn svg{width:14px;height:14px}.search-input{display:none}td,th{padding:10px 6px;font-size:12px}}.spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in{animation:.3s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sidebar.collapsed{width:80px}.sidebar.collapsed .logo span,.sidebar.collapsed .nav-link span{display:none}.sidebar.collapsed .nav-link{justify-content:center;padding:12px}table{min-width:1200px}td,th{white-space:nowrap}.editable-cell{border-radius:6px;align-items:center;min-height:24px;padding:4px;transition:all .2s;display:flex}.editable-cell.can-edit:hover{box-shadow:inset 0 0 0 1px var(--border-color);cursor:pointer;background:#3b82f60d}.inline-edit-input{border:1px solid var(--primary-solid);width:100%;font-family:inherit;font-size:inherit;box-shadow:0 0 0 3px var(--primary-glow);border-radius:6px;outline:none;padding:4px 8px}select.inline-edit-input{cursor:pointer}