:root{--header-bg:#16213e;--header-hover:#1f3460;--accent:#1a73e8;--accent-light:#e8f0fe;--accent-dark:#1557b0;--gray-50:#f8f9fa;--gray-100:#f0f2f5;--gray-200:#e0e0e0;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-700:#333}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--gray-100);color:#1a1a2e;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.login-screen{background:linear-gradient(135deg,#16213e 0%,#1a1a2e 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{text-align:center;background:#fff;border-radius:12px;width:400px;max-width:90vw;padding:48px 40px;box-shadow:0 20px 60px #0000004d}.login-logo{margin-bottom:8px;font-size:48px}.login-title{color:var(--header-bg);margin-bottom:4px;font-size:28px;font-weight:700}.login-version{color:var(--gray-400);margin-bottom:4px;font-family:ui-monospace,monospace;font-size:12px}.login-desc{color:var(--gray-500);margin:16px 0 28px;font-size:14px;line-height:1.6}.login-btn{background:var(--header-bg);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:14px 28px;font-size:15px;text-decoration:none;transition:background .2s;display:block}.login-btn:hover{background:var(--header-hover)}.login-credit{color:#aaa;margin-top:24px;font-size:11px}.app-header{background:var(--header-bg);color:#fff;justify-content:space-between;align-items:center;height:52px;padding:0 24px;display:flex}.header-left{align-items:center;gap:10px;display:flex}.header-logo{font-size:18px;font-weight:700}.header-version{color:#ffffff59;font-family:ui-monospace,monospace;font-size:11px}.header-right{align-items:center;gap:16px;display:flex}.header-user{color:#fffc;align-items:center;gap:8px;font-size:14px;display:flex}.admin-badge{color:#fff;background:#fb923c;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600}.header-logout{color:#fffc;cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:4px;padding:5px 14px;font-size:13px;text-decoration:none;transition:all .2s}.header-logout:hover{color:#fff;background:#fff3}.app-view{flex-direction:column;height:100vh;display:flex}.app-iframe{border:none;flex:1;width:100%}.header-back{color:#fffc;font-size:14px;font-weight:500;text-decoration:none;transition:color .2s}.header-back:hover{color:#fff}.header-divider{color:#ffffff40;font-size:14px}.header-app-name{color:#fff;font-size:15px;font-weight:600}.dashboard{flex-direction:column;min-height:100vh;display:flex}.dashboard-main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:40px 24px}.welcome-banner{margin-bottom:32px}.welcome-banner h2{color:var(--header-bg);margin-bottom:4px;font-size:24px}.welcome-banner p{color:var(--gray-500);font-size:15px}.app-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;display:grid}.app-card{border:1px solid var(--gray-200);background:#fff;border-radius:10px;padding:28px 24px;transition:box-shadow .2s,transform .2s;box-shadow:0 1px 3px #00000014}.app-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.app-card.coming-soon{opacity:.6}.app-card.coming-soon:hover{transform:none;box-shadow:0 1px 3px #00000014}.app-card-icon{margin-bottom:12px;font-size:32px;display:block}.app-card-title{color:var(--header-bg);margin-bottom:6px;font-size:17px}.app-card-desc{color:var(--gray-500);margin-bottom:16px;font-size:13px;line-height:1.5}.app-card-link{color:var(--accent);font-size:14px;font-weight:600;text-decoration:none}.app-card-link:hover{color:var(--accent-dark)}.app-card-badge{background:var(--gray-100);color:var(--gray-500);border-radius:4px;padding:4px 10px;font-size:12px}