:root{--font-main: "Outfit", sans-serif;--primary-50: #f0fdfa;--primary-100: #ccfbf1;--primary-500: #14b8a6;--primary-600: #0d9488;--primary-700: #0f766e;--slate-50: #f8fafc;--slate-100: #f1f5f9;--slate-200: #e2e8f0;--slate-600: #475569;--slate-800: #1e293b;--slate-900: #0f172a;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--bg-app: var(--slate-50);--bg-surface: #ffffff;--text-main: var(--slate-800);--text-muted: var(--slate-600);--border-color: var(--slate-200);--sidebar-width: 260px;--header-height: 70px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--bg-app);color:var(--text-main);height:100vh;overflow:hidden}.app-container{display:flex;height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-surface);border-right:1px solid var(--border-color);display:flex;flex-direction:column;z-index:10}.brand{height:var(--header-height);display:flex;align-items:center;padding:0 1.5rem;border-bottom:1px solid var(--border-color)}.brand h1{font-size:1.25rem;font-weight:700;color:var(--slate-900);margin-left:.75rem}.brand .highlight{color:var(--primary-600)}.nav-menu{flex:1;padding:1.5rem 1rem;overflow-y:auto}.nav-section{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:600;margin-bottom:.75rem;margin-top:1.5rem;padding-left:.75rem}.nav-section:first-child{margin-top:0}.nav-item{display:flex;align-items:center;padding:.75rem;color:var(--slate-600);text-decoration:none;border-radius:.5rem;margin-bottom:.25rem;transition:all .2s;font-weight:500}.nav-item:hover,.nav-item.active{background-color:var(--primary-50);color:var(--primary-700)}.nav-item .icon{margin-right:.75rem;font-size:1.1rem}.user-profile{padding:1rem;border-top:1px solid var(--border-color);display:flex;align-items:center;gap:.75rem}.avatar{width:40px;height:40px;background:var(--primary-100);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.info .name{font-size:.9rem;font-weight:600}.info .role{font-size:.8rem;color:var(--text-muted)}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.top-bar{height:var(--header-height);background:rgba(255,255,255,.8);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;position:sticky;top:0;z-index:5}.page-title{font-size:1.5rem;font-weight:600;color:var(--slate-900)}.actions{display:flex;gap:1rem}.btn-icon{width:40px;height:40px;border-radius:50%;border:1px solid var(--border-color);background:white;cursor:pointer;font-size:1.2rem;display:flex;align-items:center;justify-content:center;transition:transform .1s}.btn-icon:hover{background:var(--slate-50);transform:translateY(-1px)}.scrollable-content{flex:1;overflow-y:auto;padding:2rem}.card{background:white;border-radius:1rem;padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.alert{padding:1rem;border-radius:.5rem;margin-bottom:1.5rem;font-weight:500}.alert-success{background:var(--primary-50);color:var(--primary-700);border:1px solid var(--primary-100)}.btn-primary{background:linear-gradient(135deg,var(--primary-600),var(--primary-700));color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;cursor:pointer;box-shadow:0 2px 4px #0d94884d;transition:transform .1s,box-shadow .1s}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 6px #0d948866}