/* ============================================================
   Header — utility bar, masthead, section nav, mini header
   ============================================================ */

/* ---------- Utility bar ---------- */
.util-bar {
	border-bottom: 1px solid var(--line);
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	color: var(--muted);
}
.util-bar-inner {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 10px var(--gutter);
	max-width: var(--container-max);
	margin: 0 auto;
}
.util-left,
.util-right {
	display: flex;
	gap: 20px;
	align-items: center;
}
.util-bar a:hover { color: var(--brand); }
.util-date { font-weight: 500; letter-spacing: 0.2px; }
.subscribe-btn {
	background: var(--brand);
	color: #fff !important;
	padding: 6px 14px;
	font-size: var(--text-sm);
	font-weight: 600;
	letter-spacing: 0.5px;
	text-transform: uppercase;
	border-radius: 2px;
}
.subscribe-btn:hover { background: var(--brand-dark); }

/* ---------- Masthead (hidden — logo is now inline in the nav bar) ---------- */
.masthead { display: none; }

/* ---------- Section nav (sticky) ---------- */
.section-nav {
	border-bottom: 1px solid var(--line);
	position: sticky;
	top: 0;
	background: rgba(255, 255, 255, 0.98);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	z-index: 100;
}

/* Row that holds logo + nav links */
.section-nav-bar {
	display: flex;
	align-items: center;
	gap: 28px;
	padding: 8px var(--gutter);
	max-width: var(--container-max);
	margin: 0 auto;
}

/* Inline logo inside the nav bar */
.nav-logo {
	display: inline-flex;
	align-items: center;
	flex-shrink: 0;
	color: var(--ink);
}
.nav-logo svg,
.nav-logo img {
	height: 72px;
	width: auto;
	display: block;
}

/* Light / dark logo variants */
.nav-logo-for-dark { display: none; color: #ffffff; }
[data-theme="dark"] .nav-logo-for-light { display: none; }
[data-theme="dark"] .nav-logo-for-dark  { display: inline-flex; }

.section-nav-inner {
	display: flex;
	align-items: center;
	gap: 28px;
	font-family: var(--font-ui);
	font-size: var(--text-base);
	font-weight: 500;
	letter-spacing: 0.3px;
}
.section-nav a {
	color: var(--ink-soft);
	padding: 4px 2px;
	border-bottom: 2px solid transparent;
	transition: color var(--ease-quick), border-color var(--ease-quick);
}
.section-nav-inner a:hover,
.section-nav-inner a.active,
.section-nav-inner a[aria-current="page"] {
	color: var(--brand);
	border-bottom-color: var(--brand);
}

/* ---------- Mini header (sticky on article pages) ---------- */
.mini-header {
	position: sticky;
	top: 0;
	background: rgba(255, 255, 255, 0.98);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
	border-bottom: 1px solid var(--line);
	z-index: 100;
	transition: transform var(--ease-base);
}
.mini-header-inner {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 12px var(--gutter);
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: var(--space-5);
}
/* Mini-header logo hidden — the sticky section-nav already shows the logo at all times */
.mini-logo { display: none; }
.mini-header-inner { justify-content: flex-end; }
.mini-actions {
	display: flex;
	gap: var(--space-4);
	align-items: center;
	font-family: var(--font-ui);
	font-size: 12px;
}

/* ---------- Search toggle button (utility bar) ---------- */
.search-toggle {
	background: none;
	border: 1px solid var(--line);
	border-radius: 50%;
	width: 28px;
	height: 28px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: var(--muted);
	transition: border-color var(--ease-quick), color var(--ease-quick);
	padding: 0;
	flex-shrink: 0;
}
.search-toggle:hover,
.search-toggle[aria-expanded="true"] {
	border-color: var(--brand);
	color: var(--brand);
}

/* ---------- Search panel (inside sticky section-nav) ---------- */
.search-panel {
	overflow: hidden;
	max-height: 0;
	border-top: 0 solid transparent;
	transition: max-height 0.25s ease, border-top-width 0.25s ease, padding 0.25s ease;
}
.search-panel.is-open {
	max-height: 80px;
	border-top: 1px solid var(--line);
	padding: var(--space-3) 0;
}
.search-panel-inner {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--gutter);
}
.search-panel-form {
	display: flex;
	align-items: center;
	gap: var(--space-3);
	border: 1px solid var(--line);
	border-radius: 3px;
	padding: 0 var(--space-3);
	background: var(--bg-soft);
	transition: border-color var(--ease-quick);
}
.search-panel-form:focus-within { border-color: var(--brand); }
.search-panel-icon {
	color: var(--muted);
	flex-shrink: 0;
}
.search-panel-input {
	flex: 1;
	border: none;
	outline: none;
	background: transparent;
	font-family: var(--font-body);
	font-size: var(--text-lg);
	color: var(--ink);
	padding: var(--space-3) 0;
	min-width: 0;
}
.search-panel-input::placeholder { color: var(--muted-soft); }
.search-panel-submit {
	background: var(--brand);
	color: #fff;
	border: none;
	border-radius: 2px;
	padding: 6px var(--space-4);
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	font-weight: 600;
	letter-spacing: 0.5px;
	text-transform: uppercase;
	cursor: pointer;
	transition: background var(--ease-quick);
	flex-shrink: 0;
}
.search-panel-submit:hover { background: var(--brand-dark); }
.search-panel-close {
	background: none;
	border: none;
	cursor: pointer;
	color: var(--muted);
	padding: var(--space-2);
	display: inline-flex;
	align-items: center;
	justify-content: center;
	transition: color var(--ease-quick);
	flex-shrink: 0;
}
.search-panel-close:hover { color: var(--ink); }

/* ---------- Dark mode toggle button ---------- */
.theme-toggle {
	background: none;
	border: 1px solid var(--line);
	border-radius: 50%;
	width: 28px;
	height: 28px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	color: var(--muted);
	transition: border-color var(--ease-quick), color var(--ease-quick);
	padding: 0;
	flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--brand); color: var(--brand); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }

/* ---------- Site name fallback (no custom logo) ---------- */
.site-name-fallback {
	font-family: var(--font-display);
	font-size: var(--text-7xl);
	font-weight: 700;
	letter-spacing: -2px;
	color: var(--ink);
	line-height: 1;
}
.mini-logo .site-name-fallback { font-size: var(--text-3xl); }

/* ---------- Mobile nav toggle button ---------- */
.nav-toggle {
	display: none; /* shown only at mobile breakpoint below */
	align-items: center;
	gap: 8px;
	font-family: var(--font-ui);
	font-size: var(--text-sm);
	font-weight: 600;
	letter-spacing: 0.5px;
	padding: 8px 0;
	background: none;
	border: none;
	color: var(--ink);
	cursor: pointer;
	margin-left: auto; /* push to right side when logo is on left */
}
.nav-toggle:hover { color: var(--brand); }

/* Hamburger three-line icon */
.nav-toggle-icon {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width: 18px;
	height: 13px;
	flex-shrink: 0;
}
.nav-toggle-icon span {
	display: block;
	height: 2px;
	background: currentColor;
	border-radius: 1px;
	transition: transform 0.2s ease, opacity 0.2s ease;
}
/* Animate to × when open */
[data-open="true"] .nav-toggle-icon span:nth-child(1) {
	transform: translateY(5.5px) rotate(45deg);
}
[data-open="true"] .nav-toggle-icon span:nth-child(2) {
	opacity: 0;
}
[data-open="true"] .nav-toggle-icon span:nth-child(3) {
	transform: translateY(-5.5px) rotate(-45deg);
}

@media (max-width: 900px) {
	/* Hide date and "Today's Paper" text on mobile — keep actions */
	.util-date,
	.util-today-paper { display: none; }
}

@media (max-width: 768px) {
	/* Show hamburger, wrap links below the logo row */
	.nav-toggle { display: flex; }

	.section-nav-bar {
		flex-wrap: wrap;
		gap: 0;
		padding: 10px var(--gutter);
	}
	/* Logo stays left, hamburger pushes to right in the same row */
	.nav-logo { flex-shrink: 0; }

	.section-nav-inner {
		display: none;
		width: 100%;
		flex-direction: column;
		gap: 0;
		padding: var(--space-3) 0;
		overflow: hidden;
	}
	/* Expand links when nav is toggled */
	.section-nav[data-open="true"] .section-nav-inner {
		display: flex;
	}
	.section-nav-inner a {
		padding: 12px var(--gutter);
		border-bottom: none;
		font-size: var(--text-base);
		border-left: 3px solid transparent;
	}
	.section-nav-inner a:hover,
	.section-nav-inner a.active,
	.section-nav-inner a[aria-current="page"] {
		border-bottom: none;
		border-left-color: var(--brand);
		background: var(--bg-soft);
	}
}

@media (min-width: 769px) and (max-width: 900px) {
	/* Horizontal scroll on tablet when links overflow */
	.section-nav-inner {
		gap: 16px;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}
	.section-nav-inner::-webkit-scrollbar { display: none; }
}

[data-theme="dark"] .section-nav,
[data-theme="dark"] .mini-header {
	background: rgba(11, 11, 11, 0.92);
}
[data-theme="dark"] .search-panel-form {
	background: rgba(255, 255, 255, 0.06);
}

/* ---------- Masthead logo variants (kept for back-compat, masthead is hidden) ---------- */
.masthead .logo-for-dark { display: none; color: #ffffff; }
[data-theme="dark"] .masthead .logo-for-light { display: none; }
[data-theme="dark"] .masthead .logo-for-dark  { display: inline-block; }