:root{--bg-color: #0f172a;--panel-bg: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--accent: #3b82f6;--accent-hover: #2563eb;--danger: #ef4444;--success: #10b981;--border-color: rgba(255, 255, 255, .05)}.light-mode{--bg-color: #f1f5f9;--panel-bg: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--accent: #2563eb;--accent-hover: #1d4ed8;--border-color: #e2e8f0}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-main);min-height:100vh;transition:background-color .3s,color .3s}.app-layout{display:flex;min-height:100vh}.sidebar{width:250px;background-color:var(--panel-bg);border-right:1px solid var(--border-color);padding:2rem 1rem;display:flex;flex-direction:column;gap:1rem}.sidebar h2{font-size:1.5rem;font-weight:800;margin-bottom:2rem;text-align:center;background:linear-gradient(to right,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-link{padding:.75rem 1rem;border-radius:8px;color:var(--text-muted);text-decoration:none;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:.5rem}.nav-link:hover{background-color:#3b82f61a;color:var(--accent)}.nav-link.active{background-color:var(--accent);color:#fff}.main-content{flex:1;padding:2rem;overflow-y:auto}header{margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center}header h1{font-size:1.8rem;font-weight:700}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.metric-card{background-color:var(--panel-bg);padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);box-shadow:0 4px 6px -1px #0000001a;transition:transform .2s}.metric-card:hover{transform:translateY(-2px)}.metric-card h3{color:var(--text-muted);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.metric-card .value{font-size:2rem;font-weight:700}.panel{background-color:var(--panel-bg);padding:2rem;border-radius:12px;border:1px solid var(--border-color)}.panel h2{margin-bottom:1.5rem;font-size:1.2rem}table{width:100%;border-collapse:collapse}th,td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-color)}th{color:var(--text-muted);font-weight:500;font-size:.9rem}.badge{padding:.25rem .75rem;border-radius:999px;font-size:.8rem;font-weight:500}.badge.active{background-color:#10b98133;color:var(--success)}.badge.suspended{background-color:#f59e0b33;color:#f59e0b}.badge.deleted{background-color:#ef444433;color:var(--danger)}button{background-color:var(--accent);color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-weight:500;transition:background-color .2s}button:hover{background-color:var(--accent-hover)}.danger-btn{background-color:transparent;color:var(--danger);border:1px solid var(--danger)}.danger-btn:hover{background-color:#ef44441a}input,select{background-color:var(--bg-color);border:1px solid var(--border-color);color:var(--text-main);padding:.5rem;border-radius:6px;outline:none}input:focus,select:focus{border-color:var(--accent)}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{width:100%;max-width:400px;text-align:center}.project-form{display:grid;grid-template-columns:1fr 2fr 2fr 1fr auto;gap:1rem;align-items:center}.mobile-header{display:none;justify-content:space-between;align-items:center;padding:1rem;background-color:var(--panel-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.hamburger-btn{background:transparent;color:var(--text-main);border:1px solid var(--border-color);font-size:1.2rem;padding:.3rem .6rem}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;z-index:998}@media (max-width: 768px){.app-layout{flex-direction:column}.mobile-header{display:flex}.sidebar{position:fixed;top:0;left:-260px;height:100vh;z-index:999;transition:left .3s ease;width:260px;overflow-y:auto}.sidebar.open{left:0}.sidebar-overlay.show{display:block}.sidebar-title{display:none!important}.main-content{padding:1rem}.metrics-grid{grid-template-columns:1fr}.project-form{grid-template-columns:1fr;align-items:stretch}.login-box{padding:0 1rem}.panel{overflow-x:auto}form{flex-direction:column}form>div,form input,form select,form button{width:100%}}