:root{--sidebar-w: 220px;--sidebar-bg: #1a2332;--sidebar-hover: #243447;--sidebar-active: #2980b9;--sidebar-text: #b8cce4;--primary: #2980b9;--primary-dark: #1f6391;--danger: #c0392b;--success: #27ae60;--warning: #f39c12;--text: #2c3e50;--text-muted: #7f8c8d;--bg: #f0f3f7;--card: #ffffff;--border: #dde3ea;--shadow: 0 1px 4px rgba(0,0,0,.08);--radius: 6px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;color:var(--text);background:var(--bg);line-height:1.5}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:20px 16px;font-size:15px;font-weight:600;color:#fff;border-bottom:1px solid rgba(255,255,255,.07)}.sidebar-tenant{font-size:11px;color:var(--sidebar-text);font-weight:400;opacity:.7;margin-top:2px}nav{flex:1;padding:8px 0}nav a{display:flex;align-items:center;gap:10px;padding:10px 16px;color:var(--sidebar-text);text-decoration:none;transition:background .15s;border-radius:0}nav a:hover{background:var(--sidebar-hover)}nav a.active{background:var(--sidebar-active);color:#fff}nav a .icon{font-size:16px;width:20px;text-align:center}.sidebar-footer{padding:12px 16px;border-top:1px solid rgba(255,255,255,.07);font-size:12px;color:var(--sidebar-text);opacity:.7}.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.topbar-title{font-weight:600;font-size:15px}.topbar-user{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-muted)}.content{padding:24px;flex:1}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:14px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-weight:600}.card-body{padding:20px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--primary)}.stat-card .stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}thead th{text-align:left;padding:10px 14px;background:#f8fafc;border-bottom:2px solid var(--border);font-weight:600;color:var(--text-muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px}tbody tr{border-bottom:1px solid var(--border)}tbody tr:hover{background:#f8fafc}tbody td{padding:10px 14px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:none;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;transition:opacity .15s,transform .1s;text-decoration:none}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){opacity:.85}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){opacity:.85}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg)}.btn-sm{padding:4px 10px;font-size:12px}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-green{background:#e8f8f0;color:var(--success)}.badge-red{background:#fdf0ef;color:var(--danger)}.badge-blue{background:#eaf4fc;color:var(--primary)}.badge-gray{background:#f0f0f0;color:var(--text-muted)}.form-group{margin-bottom:14px}label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:4px;text-transform:uppercase;letter-spacing:.4px}input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius);font-size:13px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2980b91f}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200;display:flex;align-items:center;justify-content:center}.modal{background:var(--card);border-radius:8px;width:440px;max-width:95vw;box-shadow:0 8px 32px #0003}.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:600;display:flex;justify-content:space-between;align-items:center}.modal-body{padding:20px}.modal-footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.close-btn{background:none;border:none;cursor:pointer;font-size:18px;color:var(--text-muted);line-height:1}.login-page{min-height:100vh;background:var(--sidebar-bg);display:flex;align-items:center;justify-content:center}.login-box{background:var(--card);border-radius:10px;padding:36px 40px;width:380px;box-shadow:0 8px 40px #0000004d}.login-logo{font-size:28px;font-weight:700;color:var(--primary);margin-bottom:4px}.login-sub{color:var(--text-muted);font-size:13px;margin-bottom:24px}.app-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.app-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.app-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.app-name{font-weight:600;font-size:15px}.app-desc{font-size:12px;color:var(--text-muted);margin-bottom:14px}.app-db{font-size:11px;color:var(--text-muted);font-family:monospace;background:#f5f5f5;padding:4px 8px;border-radius:4px;margin-top:8px}.landing{min-height:100vh;background:var(--card);display:flex;flex-direction:column}.landing-nav{border-bottom:1px solid var(--border);background:var(--card);position:sticky;top:0;z-index:50}.landing-nav-inner{max-width:1040px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.landing-brand{font-size:18px;font-weight:700;color:var(--text)}.landing-brand span{color:var(--primary)}.landing-nav-actions{display:flex;gap:8px}.landing-hero{background:var(--sidebar-bg);color:#fff;text-align:center;padding:80px 24px 88px}.landing-hero h1{font-size:38px;line-height:1.2;margin-bottom:18px}.landing-hero p{max-width:620px;margin:0 auto 32px;color:var(--sidebar-text);font-size:16px}.landing-hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn-lg{padding:12px 26px;font-size:15px}.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}.btn-outline:hover{background:#ffffff1a}.landing-features,.landing-steps{max-width:1040px;margin:0 auto;padding:64px 24px;width:100%}.landing-features h2,.landing-steps h2{text-align:center;font-size:26px;margin-bottom:40px}.landing-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.landing-feature{border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.landing-feature-icon{font-size:30px;margin-bottom:12px}.landing-feature h3{font-size:15px;margin-bottom:8px}.landing-feature p{font-size:13px;color:var(--text-muted)}.landing-steps{background:var(--bg);max-width:none}.landing-step-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;max-width:1040px;margin:0 auto}.landing-step{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;text-align:center;box-shadow:var(--shadow)}.landing-step-num{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.landing-step h3{font-size:15px;margin-bottom:8px}.landing-step p{font-size:13px;color:var(--text-muted)}.landing-cta{text-align:center;margin-top:40px}.landing-footer{border-top:1px solid var(--border);text-align:center;padding:20px;font-size:12px;color:var(--text-muted)}.landing-footer a{color:var(--primary)}.page-title{font-size:20px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:8px}.error-msg{background:#fdf0ef;color:var(--danger);border:1px solid #f9d0cd;border-radius:var(--radius);padding:10px 14px;font-size:13px;margin-bottom:14px}.success-msg{background:#e8f8f0;color:var(--success);border:1px solid #b7e4cc;border-radius:var(--radius);padding:10px 14px;font-size:13px;margin-bottom:14px}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state .empty-icon{font-size:40px;margin-bottom:12px}.mt-3{margin-top:12px}.mb-3{margin-bottom:12px}.flex{display:flex}.gap-2{gap:8px}.align-center{align-items:center}.justify-between{justify-content:space-between}