:root{--font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-mono:'JetBrains Mono','Fira Code',monospace;--radius:12px;--radius-sm:8px;--transition:0.2s cubic-bezier(0.4,0,0.2,1);--shadow-md:0 4px 12px rgba(0,0,0,0.15);--shadow-lg:0 8px 32px rgba(0,0,0,0.24)}
[data-theme="dark"]{--bg-primary:#0F172A;--bg-secondary:#1E293B;--bg-card:rgba(30,41,59,0.7);--bg-input:rgba(51,65,85,0.5);--bg-overlay:rgba(0,0,0,0.6);--border-color:rgba(148,163,184,0.12);--text-primary:#F1F5F9;--text-secondary:#94A3B8;--text-tertiary:#64748B;--accent:#3B82F6;--accent2:#FBBF24;--accent-green:#34D399;--accent-red:#F87171;--gradient:linear-gradient(135deg,#3B82F6,#FBBF24);--glass-bg:rgba(15,23,42,0.6);--glass-border:rgba(148,163,184,0.08)}
[data-theme="light"]{--bg-primary:#F8FAFC;--bg-secondary:#FFFFFF;--bg-card:rgba(255,255,255,0.8);--bg-input:rgba(241,245,249,0.8);--bg-overlay:rgba(0,0,0,0.3);--border-color:rgba(148,163,184,0.2);--text-primary:#0F172A;--text-secondary:#475569;--text-tertiary:#94A3B8;--accent:#3B82F6;--accent2:#F59E0B;--accent-green:#10B981;--accent-red:#EF4444;--gradient:linear-gradient(135deg,#3B82F6,#F59E0B);--glass-bg:rgba(255,255,255,0.6);--glass-border:rgba(148,163,184,0.15)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}
.app{display:flex;flex-direction:column;min-height:100vh}
.header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--glass-bg);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:100}
.header-left{display:flex;align-items:center;gap:12px}
.header-right{display:flex;align-items:center;gap:8px}
.logo{display:flex;align-items:center;gap:10px}
.logo h1{font-size:1.1rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.badge{font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:20px;background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-color)}
.btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-sans);font-size:.82rem;font-weight:500;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn:disabled{opacity:.4;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--gradient);color:#fff;border:none;box-shadow:0 2px 8px rgba(59,130,246,.25)}
.btn-primary:hover:not(:disabled){box-shadow:0 4px 16px rgba(59,130,246,.4);transform:translateY(-1px)}
.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-color)}
.btn-secondary:hover:not(:disabled){border-color:var(--accent)}
.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover:not(:disabled){color:var(--text-primary);background:var(--bg-input)}
.btn-icon{background:transparent;color:var(--text-secondary);padding:6px;border:none;border-radius:6px}.btn-icon:hover:not(:disabled){color:var(--text-primary);background:var(--bg-input)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;border-bottom:1px solid var(--border-color);flex-wrap:wrap}
.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:8px}
.main-grid{flex:1;display:grid;grid-template-rows:1fr 1fr;gap:0;overflow:hidden}
.panel{display:flex;flex-direction:column;overflow:hidden;border-bottom:1px solid var(--border-color)}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-bottom:1px solid var(--border-color);background:var(--bg-card)}
.panel-header h2{font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}
.panel-actions{display:flex;align-items:center;gap:6px}
.editor-wrap{flex:1;display:flex;overflow:hidden;position:relative}
.line-numbers{padding:12px 8px 12px 12px;font-family:var(--font-mono);font-size:.82rem;line-height:1.7;color:var(--text-tertiary);text-align:right;user-select:none;min-width:40px;background:var(--bg-card);border-right:1px solid var(--border-color);overflow:hidden}
.sql-editor{flex:1;font-family:var(--font-mono);font-size:.82rem;line-height:1.7;padding:12px 16px;background:var(--bg-secondary);color:var(--text-primary);border:none;outline:none;resize:none;tab-size:2}
.sql-editor::placeholder{color:var(--text-tertiary)}
.editor-footer{padding:6px 16px;font-size:.75rem;color:var(--text-tertiary);border-top:1px solid var(--border-color);background:var(--bg-card)}
.results-body{flex:1;overflow:auto;padding:0}
.empty-results{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:12px;color:var(--text-tertiary);font-size:.85rem}
.result-table{width:100%;border-collapse:collapse;font-size:.82rem}
.result-table th{position:sticky;top:0;background:var(--bg-card);padding:8px 14px;text-align:left;font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);border-bottom:2px solid var(--border-color);white-space:nowrap}
.result-table td{padding:8px 14px;border-bottom:1px solid var(--border-color);font-family:var(--font-mono);font-size:.8rem;white-space:nowrap;max-width:300px;overflow:hidden;text-overflow:ellipsis}
.result-table tr:hover td{background:var(--bg-input)}
.result-table td.null-val{color:var(--text-tertiary);font-style:italic}
.error-msg{padding:16px;background:rgba(248,113,113,.08);border-left:3px solid var(--accent-red);color:var(--accent-red);font-family:var(--font-mono);font-size:.82rem;margin:12px;border-radius:var(--radius-sm)}
.modal-overlay{position:fixed;inset:0;background:var(--bg-overlay);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease}
.modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius);width:90%;max-width:640px;max-height:80vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:scaleIn .25s ease}
@keyframes fadeIn{from{opacity:0}}@keyframes scaleIn{from{opacity:0;transform:scale(.95)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}
.modal-header h2{font-size:1rem;font-weight:600}.modal-body{padding:20px;flex:1;overflow-y:auto}
.schema-table{width:100%;margin-bottom:20px}
.schema-table-name{font-size:.9rem;font-weight:600;color:var(--accent);margin-bottom:8px;display:flex;align-items:center;gap:6px}
.schema-cols{font-family:var(--font-mono);font-size:.78rem;line-height:1.8;color:var(--text-secondary);padding-left:16px}
.schema-cols .col-name{color:var(--text-primary);font-weight:500}
.schema-cols .col-type{color:var(--accent2);margin-left:8px}
.schema-cols .col-pk{color:var(--accent-green);margin-left:4px;font-size:.7rem}
.saved-item{padding:10px 14px;border:1px solid var(--border-color);border-radius:var(--radius-sm);margin-bottom:8px;cursor:pointer;transition:all var(--transition)}
.saved-item:hover{border-color:var(--accent);background:var(--bg-input)}
.saved-item-name{font-weight:600;font-size:.85rem;color:var(--text-primary)}
.saved-item-sql{font-family:var(--font-mono);font-size:.75rem;color:var(--text-tertiary);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.saved-item-actions{display:flex;gap:4px;margin-top:6px}
.empty-msg{color:var(--text-tertiary);font-size:.85rem;text-align:center;padding:20px}
.toast-container{position:fixed;bottom:20px;right:20px;z-index:300;display:flex;flex-direction:column;gap:8px}
.toast{padding:10px 16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);font-size:.82rem;animation:toastIn .3s ease;max-width:360px}
.toast.success{border-left:3px solid var(--accent-green)}.toast.error{border-left:3px solid var(--accent-red)}.toast.info{border-left:3px solid var(--accent)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
[data-theme="dark"] .icon-moon{display:none}[data-theme="dark"] .icon-sun{display:block}
[data-theme="light"] .icon-moon{display:block}[data-theme="light"] .icon-sun{display:none}
::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}
@media(max-width:768px){.header{padding:12px 16px}.toolbar{padding:10px 16px;flex-direction:column;align-items:stretch}.main-grid{grid-template-rows:1fr 1fr}.logo h1{font-size:.95rem}}
@media(min-width:1024px){.main-grid{grid-template-rows:none;grid-template-columns:1fr 1fr}.panel{border-bottom:none;border-right:1px solid var(--border-color)}.panel:last-child{border-right:none}}