/* QueryForge Frontend v1.2 */
.queryforge-app {
	--qf-primary: #4f46e5;
	--qf-primary-hover: #4338ca;
	--qf-panel: #ffffff;
	--qf-border: #e2e8f0;
	--qf-text: #1e293b;
	--qf-muted: #64748b;
	--qf-radius: 12px;
	--qf-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--qf-text);
	line-height: 1.5;
	max-width: 1180px;
	margin: 0 auto 48px;
}
.queryforge-app *,
.queryforge-app *::before,
.queryforge-app *::after { box-sizing: border-box; }

/* Tagline / Benefits */
.qf-tagline {
	background: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);
	border: 1px solid #c7d2fe;
	border-radius: var(--qf-radius);
	padding: 24px 28px;
	margin-bottom: 28px;
}
.qf-logo {
	margin: 0 0 8px;
	font-size: 26px;
	font-weight: 800;
	color: var(--qf-primary);
	letter-spacing: -0.02em;
}
.qf-tagline-lead {
	margin: 0 0 14px;
	font-size: 15px;
	color: #4338ca;
	max-width: 640px;
	line-height: 1.55;
}
.qf-benefits {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 8px 20px;
}
.qf-benefits li {
	font-size: 13px;
	color: var(--qf-text);
	padding-left: 18px;
	position: relative;
}
.qf-benefits li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: #22c55e;
	font-weight: 700;
}
.qf-benefits strong { font-weight: 600; }

/* Layout */
.qf-layout {
	display: grid;
	grid-template-columns: 240px 1fr;
	gap: 22px;
	align-items: start;
}

/* Sidebar */
.qf-sidebar {
	background: var(--qf-panel);
	border: 1px solid var(--qf-border);
	border-radius: var(--qf-radius);
	box-shadow: var(--qf-shadow);
	overflow: hidden;
	position: sticky;
	top: 20px;
}
.qf-nav {
	display: flex;
	flex-direction: column;
	padding: 8px;
	gap: 2px;
}
.qf-nav-item {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	padding: 11px 12px;
	border: none;
	background: transparent;
	border-radius: 8px;
	cursor: pointer;
	text-align: left;
	font-family: inherit;
	transition: background .15s, opacity .15s;
	width: 100%;
}
.qf-nav-item:hover { background: #f1f5f9; }
.qf-nav-item.active { background: #eef2ff; }
.qf-nav-item:disabled { opacity: .55; cursor: wait; }
.qf-nav-icon { font-size: 16px; line-height: 1.3; flex-shrink: 0; }
.qf-nav-text { display: flex; flex-direction: column; min-width: 0; }
.qf-nav-label { font-weight: 600; font-size: 13px; color: var(--qf-text); }
.qf-nav-item.active .qf-nav-label { color: var(--qf-primary); }
.qf-nav-desc { font-size: 11px; color: var(--qf-muted); margin-top: 1px; }

/* Main */
.qf-main { display: flex; width: 100%; gap: 20px; min-width: 0; }
.qf-panel {
	background: var(--qf-panel);
	border: 1px solid var(--qf-border);
	border-radius: var(--qf-radius);
	box-shadow: var(--qf-shadow);
	overflow: hidden;
	width: 50%;
}
.qf-panel-header {
	padding: 16px 22px;
	border-bottom: 1px solid var(--qf-border);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 10px;
}
.qf-current-title { margin: 0; font-size: 18px; font-weight: 700; }
.qf-current-desc { margin: 4px 0 0; font-size: 13px; color: var(--qf-muted); }

/* Form */
.qf-form { padding-bottom: 4px; }
.qf-fields.is-loading { opacity: .45; pointer-events: none; }
.qf-form-section {
	padding: 18px 22px;
	border-bottom: 1px solid #f1f5f9;
}
.qf-form-section:last-of-type { border-bottom: none; }
.qf-section-head { margin-bottom: 14px; }
.qf-section-title {
	margin: 0;
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: .05em;
	color: var(--qf-muted);
}
.qf-section-desc {
	margin: 4px 0 0;
	font-size: 13px;
	color: var(--qf-muted);
}
.qf-field { margin-bottom: 16px; }
.qf-field:last-child { margin-bottom: 0; }
.qf-field label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--qf-text);
	margin-bottom: 4px;
}
.qf-help {
	margin: 0 0 6px;
	font-size: 12px;
	color: var(--qf-muted);
	line-height: 1.45;
}
.qf-input {
	width: 100%;
	max-width: 440px;
	padding: 9px 12px;
	border: 1px solid var(--qf-border);
	border-radius: 8px;
	font-size: 14px;
	background: #fff;
	transition: border-color .15s, box-shadow .15s;
}
.qf-input:focus {
	outline: none;
	border-color: var(--qf-primary);
	box-shadow: 0 0 0 3px rgba(79,70,229,.15);
}
.qf-checkbox label {
	display: flex;
	align-items: center;
	gap: 8px;
	cursor: pointer;
	font-weight: 500;
}
.qf-checkbox input { width: 16px; height: 16px; margin: 0; flex-shrink: 0; }

/* Actions */
.qf-actions {
	padding: 18px 22px 22px;
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}
.qf-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 10px 20px;
	border-radius: 8px;
	font-size: 14px;
	font-weight: 600;
	cursor: pointer;
	border: 1px solid transparent;
	font-family: inherit;
	transition: all .15s;
}
.qf-btn-primary {
	background: var(--qf-primary);
	color: #fff;
	border-color: var(--qf-primary);
}
.qf-btn-primary:hover { background: var(--qf-primary-hover); }
.qf-btn-primary:disabled { opacity: .65; cursor: not-allowed; }
.qf-btn-secondary {
	background: #fff;
	color: var(--qf-text);
	border-color: var(--qf-border);
}
.qf-btn-secondary:hover { background: #f8fafc; border-color: #cbd5e1; }

/* Code panel */
.qf-code-tabs { display: flex; gap: 6px; }
.qf-tab {
	padding: 6px 14px;
	border-radius: 6px;
	border: 1px solid var(--qf-border);
	background: transparent;
	font-size: 13px;
	font-weight: 600;
	cursor: pointer;
	color: var(--qf-muted);
	font-family: inherit;
}
.qf-tab.active {
	background: var(--qf-primary);
	border-color: var(--qf-primary);
	color: #fff;
}
.qf-code-area { background: #0f172a; min-height: 260px; }
.qf-code {
	display: none;
	margin: 0;
	padding: 20px 22px;
	color: #e2e8f0;
	font-family: ui-monospace, "SF Mono", "Fira Code", Consolas, monospace;
	font-size: 13px;
	line-height: 1.65;
	overflow: auto;
	max-height: 460px;
	white-space: pre-wrap;
	word-break: break-word;
}
.qf-code.active { display: block; }
.qf-code code { background: none; color: inherit; padding: 0; font-size: inherit; }
.qf-code-actions {
	padding: 14px 22px;
	display: flex;
	gap: 10px;
	background: #f8fafc;
	border-top: 1px solid var(--qf-border);
}

/* Responsive */
@media (max-width: 860px) {
	.qf-layout { grid-template-columns: 1fr; }
	.qf-sidebar { position: static; }
	.qf-nav { flex-direction: row; flex-wrap: wrap; }
	.qf-nav-item { flex: 1 1 150px; }
	.qf-benefits { grid-template-columns: 1fr; }
}