*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f6f8fc;--card-bg: #ffffff;--text-main: #111827;--text-muted: #6b7280;--border: #e5e7eb;--sidebar-bg: #ffffff;--primary: #4f46e5;--primary-hover: #4338ca;--hover: #eef2ff;--shadow: 0 10px 30px rgba(0,0,0,.06)}.grid{display:flex;flex-wrap:wrap;gap:20px}[data-theme=dark]{--bg: #0f172a;--card-bg: #111827;--text-main: #e5e7eb;--text-muted: #9ca3af;--border: #1f2937;--sidebar-bg: #020617;--primary: #6366f1;--primary-hover: #818cf8;--hover: #1e293b;--shadow: 0 10px 30px rgba(0,0,0,.4)}html,body,#root{height:100%}body{background:var(--bg);color:var(--text-main);font-family:Onest,sans-serif;overflow:hidden}.app-shell{display:flex;height:100vh}.sidebar{width:260px;height:100vh;position:fixed;left:0;top:0;background:var(--sidebar-bg);border-right:1px solid var(--border);padding:28px 18px;display:flex;flex-direction:column}.sidebar-logo{font-weight:800;font-size:20px;margin-bottom:40px}.sidebar-nav{display:flex;flex-direction:column;gap:12px}.nav-item{padding:12px 16px;border-radius:10px;border:none;background:transparent;cursor:pointer;font-weight:600;text-align:left;transition:.2s;color:var(--text-main)}.nav-item:hover{background:var(--hover)}.nav-item.active{background:var(--primary);color:#fff}.right-column{margin-left:260px;flex:1;display:flex;flex-direction:column;height:100vh}.main-area{flex:1;overflow-y:auto}.app-container{width:100%;max-width:1400px;margin:0 auto;padding:clamp(20px,4vw,60px)}.hero-title{font-size:42px;font-weight:800}.hero-sub{margin-top:10px;color:var(--text-muted);margin-bottom:40px}.subtitle{color:var(--text-muted);font-size:14px;margin-bottom:22px}button{padding:14px;margin-top:18px;border-radius:12px;border:none;background:var(--primary);color:#fff;font-weight:600;font-size:15px;cursor:pointer;transition:.25s}button:hover{background:var(--primary-hover);transform:translateY(-2px)}.card{width:100%;max-width:460px;padding:48px;border-radius:20px;background:var(--card-bg);box-shadow:var(--shadow)}.center-screen{flex:1;display:flex;align-items:center;justify-content:center}table{width:100%;border-collapse:collapse}th{text-align:left;font-size:14px;color:var(--text-muted);padding:14px;border-bottom:1px solid var(--border)}td{padding:16px 14px;border-bottom:1px solid var(--border)}tr:hover{background:var(--hover)}input{width:100%;padding:14px;margin-top:10px;border-radius:10px;border:1px solid var(--border);font-size:14px;transition:.2s;background:var(--card-bg);color:var(--text-main)}input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #635bff26}footer{padding:18px 0;text-align:center;font-size:13px;color:var(--text-muted);background:transparent}@media(max-width:900px){.sidebar{position:fixed;width:70px;padding:20px 10px}.sidebar-logo{font-size:16px}.nav-item{font-size:13px;padding:10px}.right-column{margin-left:70px}}