:root{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,sans-serif;color:#fff;background:#0d1117;--blue: #007aff;--blue-glass: rgba(0,122,255,.16);--green-glass: rgba(52,199,89,.14);--card-bg: rgba(22,27,34,.72);--border: rgba(255,255,255,.08);--text-secondary: rgba(255,255,255,.58);--radius: 16px}*{box-sizing:border-box}body{margin:0;min-height:100vh}input,button{font-family:inherit;font-size:inherit}.app-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 20%,rgba(0,122,255,.25),transparent 32%),radial-gradient(circle at 80% 70%,rgba(52,199,89,.18),transparent 30%),#0d1117}.hero-card{width:min(560px,100%);padding:36px;border:1px solid var(--border);border-radius:28px;background:var(--card-bg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 24px 80px #00000059}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 30% 10%,rgba(0,122,255,.3),transparent 40%),radial-gradient(circle at 70% 80%,rgba(0,122,255,.15),transparent 35%),#0d1117}.login-card{width:min(400px,100%);padding:40px 32px;border:1px solid var(--border);border-radius:28px;background:var(--card-bg);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);box-shadow:0 24px 80px #00000059}.login-header{text-align:center;margin-bottom:28px}.login-header h1{margin:12px 0 6px;font-size:32px;letter-spacing:-.03em}.login-header p{margin:0;font-size:14px;color:var(--text-secondary)}.login-badge{display:inline-block;padding:4px 14px;border-radius:999px;background:linear-gradient(135deg,#007aff40,#5ac8fa26);color:#5ac8fa;font-size:11px;font-weight:700;letter-spacing:.05em}.login-error{margin-bottom:16px;padding:10px 14px;border-radius:10px;background:#ff453a1f;color:#ff6b6b;font-size:13px}.login-field{display:block;margin-bottom:16px}.login-field span{display:block;margin-bottom:6px;font-size:13px;color:var(--text-secondary);font-weight:600}.login-field input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#ffffff0f;color:#fff;font-size:16px;outline:none;transition:border-color .2s,background .2s}.login-field input:focus{border-color:var(--blue);background:#ffffff1a}.login-btn{width:100%;margin-top:8px;padding:14px;border:none;border-radius:14px;background:linear-gradient(135deg,var(--blue),#5856d6);color:#fff;font-size:17px;font-weight:600;cursor:pointer;transition:opacity .2s}.login-btn:disabled{opacity:.5;cursor:not-allowed}.dashboard-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh;background:#0d1117}.sidebar{padding:20px 12px;border-right:1px solid var(--border);background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;flex-direction:column}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:8px 12px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}.brand-icon{font-size:24px}.brand-text{font-size:18px;font-weight:700;letter-spacing:-.02em}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px}.sidebar-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:none;border-radius:10px;background:transparent;color:var(--text-secondary);font-size:14px;text-align:left;cursor:pointer;transition:background .15s}.sidebar-item:hover:not(:disabled){background:#ffffff0d;color:#fff}.sidebar-item.active{background:var(--blue-glass);color:#fff}.sidebar-item:disabled{opacity:.4;cursor:not-allowed}.sidebar-item-icon{width:22px;text-align:center}.sidebar-badge{margin-left:auto;padding:2px 6px;border-radius:6px;background:#ffffff14;font-size:10px;font-weight:600;color:var(--text-secondary)}.sidebar-footer{padding:16px 12px 4px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.sidebar-user{font-size:13px;color:var(--text-secondary)}.logout-btn{padding:4px 12px;border:1px solid rgba(255,69,58,.3);border-radius:8px;background:transparent;color:#ff6b6b;font-size:12px;cursor:pointer}.dashboard-main{padding:28px 32px;overflow-y:auto}.dashboard-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.dashboard-header h2{margin:0;font-size:28px;font-weight:700;letter-spacing:-.03em}.header-date{font-size:14px;color:var(--text-secondary)}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-bottom:28px}.kpi-card{padding:20px 24px;border:1px solid var(--border);border-radius:var(--radius);background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.kpi-label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:8px}.kpi-value{display:block;font-size:32px;font-weight:700;letter-spacing:-.02em;margin-bottom:6px}.kpi-trend{font-size:12px;color:var(--text-secondary)}.placeholder-section{padding:48px 24px;border:1px dashed var(--border);border-radius:var(--radius);text-align:center;color:var(--text-secondary)}.placeholder-section p{margin:6px 0;font-size:15px;line-height:1.6}@media (max-width: 768px){.dashboard-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:10;padding:12px;border-right:none;border-bottom:1px solid var(--border)}.sidebar-brand{padding:4px 8px 10px;margin-bottom:8px}.sidebar-nav{flex-direction:row;overflow-x:auto;padding-bottom:4px}.sidebar-item{flex:0 0 auto;width:auto;min-width:92px;justify-content:center}.sidebar-footer{display:none}.dashboard-main{padding:20px 16px 32px}.dashboard-header{align-items:flex-start;flex-direction:column;gap:6px}.kpi-grid{grid-template-columns:1fr}}