/*
 * Qt Fusion-inspired design system.
 * Flat panels, real borders, no gradients/blur/glow/keyframe motion.
 * Loaded after main.css/theme.css so its rules win without !important.
 */

:root {
	--qt-window: #efefef;
	--qt-base: #ffffff;
	--qt-alt-base: #f5f5f5;
	--qt-text: #202020;
	--qt-text-muted: #6b6b6b;
	--qt-text-disabled: #a0a0a0;
	--qt-border: #b7b7b7;
	--qt-border-light: #d8d8d8;
	--qt-button: #e4e4e4;
	--qt-button-hover: #dcdcdc;
	--qt-button-pressed: #cfcfcf;
	--qt-accent: #3a6ea5;
	--qt-accent-hover: #2f5a87;
	--qt-accent-fg: #ffffff;
	--qt-focus: #3a6ea5;
	--qt-danger: #a03e3e;
	--qt-ok: #3a7d4f;
	--qt-warn: #8a6d1d;
	--qt-radius: 3px;
	--qt-font: -apple-system, "Segoe UI", "Noto Sans", system-ui, sans-serif;
	--qt-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
	:root {
		--qt-window: #353535;
		--qt-base: #232323;
		--qt-alt-base: #2a2a2a;
		--qt-text: #e2e2e2;
		--qt-text-muted: #a3a3a3;
		--qt-text-disabled: #6e6e6e;
		--qt-border: #1e1e1e;
		--qt-border-light: #4a4a4a;
		--qt-button: #454545;
		--qt-button-hover: #4f4f4f;
		--qt-button-pressed: #3a3a3a;
		--qt-accent: #5b8dc4;
		--qt-accent-hover: #6f9ed0;
		--qt-accent-fg: #0f1a24;
		--qt-focus: #5b8dc4;
		--qt-danger: #d17c7c;
		--qt-ok: #7fbf95;
		--qt-warn: #d1b25c;
	}
}

:root[data-theme="light"] {
	--qt-window: #efefef;
	--qt-base: #ffffff;
	--qt-alt-base: #f5f5f5;
	--qt-text: #202020;
	--qt-text-muted: #6b6b6b;
	--qt-text-disabled: #a0a0a0;
	--qt-border: #b7b7b7;
	--qt-border-light: #d8d8d8;
	--qt-button: #e4e4e4;
	--qt-button-hover: #dcdcdc;
	--qt-button-pressed: #cfcfcf;
	--qt-accent: #3a6ea5;
	--qt-accent-hover: #2f5a87;
	--qt-accent-fg: #ffffff;
	--qt-focus: #3a6ea5;
	--qt-danger: #a03e3e;
	--qt-ok: #3a7d4f;
	--qt-warn: #8a6d1d;
}

:root[data-theme="dark"] {
	--qt-window: #353535;
	--qt-base: #232323;
	--qt-alt-base: #2a2a2a;
	--qt-text: #e2e2e2;
	--qt-text-muted: #a3a3a3;
	--qt-text-disabled: #6e6e6e;
	--qt-border: #1e1e1e;
	--qt-border-light: #4a4a4a;
	--qt-button: #454545;
	--qt-button-hover: #4f4f4f;
	--qt-button-pressed: #3a3a3a;
	--qt-accent: #5b8dc4;
	--qt-accent-hover: #6f9ed0;
	--qt-accent-fg: #0f1a24;
	--qt-focus: #5b8dc4;
	--qt-danger: #d17c7c;
	--qt-ok: #7fbf95;
	--qt-warn: #d1b25c;
}

html[data-theme], html:not([data-theme]) {
	background: var(--qt-window) !important;
}

body {
	font-family: var(--qt-font);
	color: var(--qt-text);
}

/* ---- Title bar + menu bar (replaces .app-header) ---- */

.qt-titlebar {
	background: var(--qt-window);
	border-bottom: 1px solid var(--qt-border);
}

.qt-titlebar-row {
	max-width: 1400px;
	margin: 0 auto;
	padding: 10px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.qt-brand {
	display: flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
	color: var(--qt-text);
}

.qt-brand-mark {
	width: 22px;
	height: 22px;
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	background: var(--qt-accent);
	color: var(--qt-accent-fg);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 0.75rem;
	flex: none;
}

.qt-brand-name {
	font-size: 1rem;
	font-weight: 600;
	letter-spacing: 0.01em;
}

.qt-menubar {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 20px;
	display: flex;
	align-items: center;
	gap: 2px;
	border-top: 1px solid var(--qt-border-light);
	overflow-x: auto;
}

.qt-menubar a {
	display: block;
	padding: 7px 12px;
	font-size: 0.85rem;
	color: var(--qt-text);
	text-decoration: none;
	white-space: nowrap;
	border: 1px solid transparent;
}

.qt-menubar a:hover {
	background: var(--qt-button-hover);
	border-color: var(--qt-border-light);
}

.qt-menubar a.active {
	background: var(--qt-base);
	border-color: var(--qt-border-light);
	border-bottom-color: var(--qt-base);
	margin-bottom: -1px;
	font-weight: 600;
}

.qt-titlebar-actions {
	display: flex;
	align-items: center;
	gap: 12px;
	flex: none;
}

/* ---- Theme switcher: flat segmented control ---- */

.qt-theme-switch {
	display: inline-flex;
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	overflow: hidden;
}

.qt-theme-switch button {
	font-family: var(--qt-font);
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	padding: 5px 9px;
	border: none;
	border-right: 1px solid var(--qt-border);
	background: var(--qt-button);
	color: var(--qt-text-muted);
	cursor: pointer;
}

.qt-theme-switch button:last-child {
	border-right: none;
}

.qt-theme-switch button:hover {
	background: var(--qt-button-hover);
}

.qt-theme-switch button.active {
	background: var(--qt-accent);
	color: var(--qt-accent-fg);
}

/* ---- User / session controls ---- */

.qt-user {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 0.82rem;
}

.qt-user-name {
	color: var(--qt-text-muted);
}

/* ---- Buttons ---- */

.qt-btn {
	font-family: var(--qt-font);
	font-size: 0.85rem;
	font-weight: 500;
	padding: 7px 14px;
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	background: var(--qt-button);
	color: var(--qt-text);
	cursor: pointer;
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	line-height: 1.2;
}

.qt-btn:hover {
	background: var(--qt-button-hover);
}

.qt-btn:active {
	background: var(--qt-button-pressed);
}

.qt-btn:focus-visible {
	outline: 2px solid var(--qt-focus);
	outline-offset: 1px;
}

.qt-btn-primary {
	background: var(--qt-accent);
	border-color: var(--qt-accent);
	color: var(--qt-accent-fg);
}

.qt-btn-primary:hover {
	background: var(--qt-accent-hover);
	border-color: var(--qt-accent-hover);
}

/* ---- Panels (group-box style) ---- */

.qt-panel {
	background: var(--qt-base);
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	padding: 16px;
}

.qt-panel-title {
	font-size: 0.78rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--qt-text-muted);
	margin: 0 0 10px 0;
	padding-bottom: 8px;
	border-bottom: 1px solid var(--qt-border-light);
}

/* ---- Tags (replaces gradient badges) ---- */

.qt-tag {
	display: inline-block;
	font-size: 0.72rem;
	font-weight: 600;
	padding: 2px 7px;
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	background: var(--qt-alt-base);
	color: var(--qt-text-muted);
}

.qt-tag-accent {
	background: var(--qt-accent);
	border-color: var(--qt-accent);
	color: var(--qt-accent-fg);
}

.qt-tag-ok {
	background: var(--qt-ok);
	border-color: var(--qt-ok);
	color: var(--qt-accent-fg);
}

.qt-tag-warn {
	background: var(--qt-warn);
	border-color: var(--qt-warn);
	color: var(--qt-accent-fg);
}

/* ---- Tables (list-view style) ---- */

.qt-table-scroll {
	overflow-x: auto;
}

.qt-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.85rem;
}

.qt-table th {
	text-align: left;
	font-size: 0.72rem;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--qt-text-muted);
	padding: 6px 10px;
	border-bottom: 1px solid var(--qt-border);
	white-space: nowrap;
}

.qt-table td {
	padding: 6px 10px;
	border-bottom: 1px solid var(--qt-border-light);
	vertical-align: top;
}

.qt-table tbody tr:nth-child(even) td {
	background: var(--qt-alt-base);
}

.qt-empty {
	color: var(--qt-text-muted);
	font-size: 0.85rem;
	padding: 8px 0;
}

/* ---- Status bar footer (replaces .site-footer) ---- */

.qt-statusbar {
	border-top: 1px solid var(--qt-border);
	background: var(--qt-window);
	color: var(--qt-text-muted);
	font-size: 0.78rem;
	margin-top: 40px;
}

.qt-statusbar-row {
	max-width: 1400px;
	margin: 0 auto;
	padding: 10px 20px;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 8px 16px;
}

.qt-statusbar-links {
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	align-items: center;
}

.qt-statusbar-links a {
	color: var(--qt-text-muted);
	text-decoration: none;
	padding: 2px 4px;
}

.qt-statusbar-links a:hover {
	color: var(--qt-text);
	text-decoration: underline;
}

.qt-statusbar-sep {
	color: var(--qt-border);
}

/* ---- Page container + prose (about/faq/roadmap/legal pages) ---- */

.qt-page {
	max-width: 860px;
	margin: 0 auto;
	padding: 32px 20px 56px;
}

.qt-page-title {
	font-size: 1.5rem;
	font-weight: 700;
	margin: 0 0 8px 0;
}

.qt-page-subtitle {
	color: var(--qt-text-muted);
	margin: 0 0 28px 0;
}

.qt-prose {
	margin-bottom: 16px;
}

.qt-prose h3 {
	font-size: 1rem;
	font-weight: 700;
	margin: 0 0 10px 0;
}

.qt-prose p {
	margin: 0 0 10px 0;
	line-height: 1.55;
	color: var(--qt-text);
}

.qt-prose p:last-child {
	margin-bottom: 0;
}

.qt-prose ul {
	margin: 0 0 10px 0;
	padding-left: 20px;
	line-height: 1.55;
}

.qt-prose li {
	margin-bottom: 6px;
}

.qt-prose a {
	color: var(--qt-accent);
}

.qt-back-link {
	display: inline-block;
	margin-top: 24px;
	color: var(--qt-accent);
	text-decoration: none;
	font-weight: 600;
}

.qt-back-link:hover {
	text-decoration: underline;
}

/* ---- Key/value rows (admin, unauthorized pages) ---- */

.qt-kv-row {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	padding: 7px 0;
	border-bottom: 1px solid var(--qt-border-light);
	font-size: 0.85rem;
}

.qt-kv-row:last-child {
	border-bottom: none;
}

.qt-kv-key {
	color: var(--qt-text-muted);
	flex: none;
}

.qt-kv-value {
	font-weight: 600;
	text-align: right;
}

/* ---- Form fields ---- */

.qt-field {
	display: block;
	width: 100%;
	font-family: var(--qt-font);
	font-size: 0.9rem;
	padding: 8px 10px;
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	background: var(--qt-base);
	color: var(--qt-text);
}

.qt-field:focus {
	outline: 2px solid var(--qt-focus);
	outline-offset: -1px;
}

.qt-field-label {
	display: block;
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--qt-text-muted);
	margin-bottom: 6px;
}

/* ---- Hero (landing page) ---- */

.qt-hero {
	max-width: 640px;
	margin: 0 auto;
	text-align: center;
	padding: 40px 20px 8px;
}

.qt-hero-title {
	font-size: 1.6rem;
	font-weight: 700;
	margin: 0 0 10px 0;
}

.qt-hero-subtitle {
	color: var(--qt-text-muted);
	line-height: 1.5;
	margin: 0 0 24px 0;
}

.qt-hero-form {
	display: flex;
	flex-direction: column;
	align-items: stretch;
	gap: 12px;
	max-width: 360px;
	margin: 0 auto;
}

.qt-hero-actions {
	display: flex;
	gap: 8px;
	justify-content: center;
	flex-wrap: wrap;
}

.qt-help-text {
	margin-top: 16px;
	font-size: 0.82rem;
	color: var(--qt-text-muted);
}

.qt-help-text a {
	color: var(--qt-accent);
}

/* ---- Feature grid ---- */

.qt-feature-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 12px;
	max-width: 900px;
	margin: 32px auto 0;
	padding: 0 20px;
}

.qt-feature-title {
	font-size: 0.95rem;
	font-weight: 700;
	margin: 0 0 6px 0;
}

.qt-feature-desc {
	font-size: 0.85rem;
	color: var(--qt-text-muted);
	line-height: 1.5;
	margin: 0;
}

/* ---- Spinner ---- */

.qt-spinner {
	width: 28px;
	height: 28px;
	border: 3px solid var(--qt-border);
	border-top-color: var(--qt-accent);
	border-radius: 50%;
	margin: 0 auto 12px;
	animation: qt-spin 0.7s linear infinite;
}

@keyframes qt-spin {
	to { transform: rotate(360deg); }
}

/* ---- Stat tiles (status/admin pages) ---- */

.qt-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 12px;
	margin-bottom: 16px;
}

.qt-stat-tile {
	background: var(--qt-base);
	border: 1px solid var(--qt-border);
	border-radius: var(--qt-radius);
	padding: 14px;
}

.qt-stat-label {
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--qt-text-muted);
}

.qt-stat-value {
	font-size: 1.3rem;
	font-weight: 700;
	margin-top: 4px;
}

.qt-stat-sub {
	font-size: 0.78rem;
	color: var(--qt-text-muted);
	margin-top: 4px;
}

@media (max-width: 768px) {
	.qt-titlebar-row {
		padding: 8px 14px;
	}
	.qt-menubar {
		padding: 0 14px;
	}
	.qt-statusbar-row {
		padding: 10px 14px;
		flex-direction: column;
		align-items: flex-start;
	}
}