:root{--bg-dark: #0f1115;--bg-card: rgba(25, 28, 36, .6);--border-glow: rgba(100, 149, 237, .15);--accent: #3b82f6;--accent-hover: #2563eb;--text-main: #f3f4f6;--text-muted: #9ca3af;--glass-blur: blur(16px);font-family:Pretendard,system-ui,-apple-system,sans-serif;color-scheme:dark}*{box-sizing:border-box}body{margin:0;padding:0;background-color:var(--bg-dark);background-image:radial-gradient(circle at 15% 50%,rgba(59,130,246,.08),transparent 25%),radial-gradient(circle at 85% 30%,rgba(139,92,246,.08),transparent 25%);color:var(--text-main);min-height:100vh;overflow-x:hidden}.glass-panel{background:linear-gradient(135deg,#ffffff14,#ffffff05);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #0000005e,inset 0 0 0 1px #ffffff0d;border-radius:20px;transition:all .4s cubic-bezier(.4,0,.2,1)}.glass-panel-interactive:hover{border-color:#fff3;background:linear-gradient(135deg,#ffffff1f,#ffffff0a);transform:translateY(-4px);box-shadow:0 12px 40px #00000073,inset 0 0 0 1px #ffffff14}.app-container{display:flex;height:100vh;width:100%}.sidebar{width:280px;height:100%;padding:32px 24px;border-right:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;gap:24px}.main-content{flex:1;padding:48px;overflow-y:auto;position:relative}input[type=email],input[type=password],input[type=text],select,textarea{width:100%;padding:14px 16px;border-radius:10px;background:#00000080;border:1px solid rgba(255,255,255,.1);color:#fff;outline:none;font-size:15px;transition:all .2s ease;font-family:inherit}input:focus,select:focus,textarea:focus{border-color:var(--accent);background:#000000b3;box-shadow:0 0 0 2px var(--border-glow)}.btn-primary{width:100%;padding:14px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#60a5fa);color:#fff;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.btn-primary:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 4px 16px #3b82f666}.btn-primary:disabled{background:#374151;color:#9ca3af;cursor:not-allowed}.menu-item{padding:12px 16px;border-radius:8px;cursor:pointer;color:var(--text-muted);transition:all .2s ease;font-weight:500}.menu-item:hover{background:#ffffff0d;color:var(--text-main)}.menu-item.active{background:#3b82f61a;color:var(--accent);border-left:3px solid var(--accent);border-radius:0 8px 8px 0}.mobile-topbar{display:none}.responsive-panel{padding:40px;max-width:800px;margin:0 auto}.auth-panel{width:100%;max-width:440px;padding:48px;margin:0 20px}@media (max-width: 768px){.app-container{flex-direction:column}.sidebar{display:none}.sidebar.mobile-open{display:flex;position:fixed;top:60px;left:0;width:100%;height:calc(100vh - 60px);z-index:100;background:var(--bg-card);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:0;padding:24px;animation:fadeIn .2s ease}.mobile-topbar{display:flex;justify-content:space-between;align-items:center;width:100%;height:60px;padding:0 20px;background:#0f1115e6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.05);z-index:101}.main-content{padding:20px 12px;height:calc(100vh - 60px)}.hide-on-mobile{display:none!important}.responsive-panel{padding:24px 16px;margin:0;width:100%}.auth-panel{padding:32px 24px}input[type=email],input[type=password],input[type=text],select,textarea{font-size:16px!important}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}