:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e2e2e8;--text: #1c1c24;--text-muted: #6b6b78;--accent: #1f2a44;--accent-hover: #141b2e;--danger: #d1344b;--success: #1e8a5f;--radius: 10px;--shadow: 0 1px 3px rgba(20, 20, 30, .08), 0 1px 2px rgba(20, 20, 30, .05);color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select,textarea{font-family:inherit;font-size:inherit}button{cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;padding:8px 14px}button:hover{background:#eef0f4}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-hover)}button.danger{background:var(--danger);border-color:var(--danger);color:#fff}input,select,textarea{border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:var(--surface);color:var(--text);width:100%}label{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:4px}.field{margin-bottom:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:12px;align-items:center}.row.between{justify-content:space-between}.wrap{flex-wrap:wrap}.muted{color:var(--text-muted)}.error-text{color:var(--danger);font-size:13px}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:#eef1fb;color:var(--accent)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--text-muted);font-weight:600}.page-title{font-size:22px;font-weight:700;margin:0 0 4px}.page-subtitle{color:var(--text-muted);margin:0 0 24px}.centered-auth{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.auth-box{width:380px}.brand{font-size:20px;font-weight:800;color:var(--accent);margin-bottom:4px}.app-shell{display:flex;min-height:100vh}.app-sidebar{width:240px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column}.app-sidebar .brand{font-size:18px;font-weight:800;color:var(--accent);margin-bottom:24px}.nav-link{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-size:14px;font-weight:500}.nav-link:hover{background:#eef0f4;text-decoration:none}.nav-link.active{background:var(--accent);color:#fff}.sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border)}.app-content{flex:1;padding:32px 40px;max-width:1100px}