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var(--border-medium);border-radius:var(--radius-md);white-space:pre-wrap;max-height:400px;color:var(--text-primary);padding:16px;font-size:.8125rem;line-height:1.6;overflow-y:auto}.app-layout{height:100vh;display:flex}.loading-screen{justify-content:center;align-items:center;height:100vh;display:flex}.main-content{flex-direction:column;flex:1;height:100vh;display:flex;overflow:hidden}.main-header{height:var(--header-height);border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 24px;display:flex}.main-header-title{align-items:center;gap:12px;display:flex}.main-header-title h2{font-size:1rem;font-weight:600}.db-badge{border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.04em;padding:3px 10px;font-size:.6875rem;font-weight:600}.db-badge.postgres{color:#336791;background:#3367911a}.db-badge.mysql{color:#00758f;background:#00758f1a}.db-badge.mongodb{color:#47a248;background:#47a2481a}.main-header-actions{gap:8px;display:flex}.btn-sm{padding:8px 14px;font-size:.8125rem}@media (width<=768px){.app-layout{flex-direction:column}.sidebar{width:100%;height:auto;max-height:50vh}.main-header-actions{display:none}}