/* ============================================
   UNIFIED SITE HEADER
   ============================================ */

/* ============================================
   MAIN HEADER CONTAINER
   ============================================ */

.site-header {
	position: sticky;
	top: 0;
	width: 100%;
	height: var(--header-height);
	background-color: var(--color-bg-primary);
	border-bottom: var(--border-width) solid var(--color-border-light);
	box-shadow: var(--shadow-base);
	z-index: var(--z-header);
	flex-shrink: 0;
}

.site-header__container {
	max-width: var(--container-max-width-wide);
	margin: 0 auto;
	height: 100%;
	padding: 0 var(--space-lg);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-lg);
}

/* ============================================
   LEFT: BRAND SECTION
   ============================================ */

.site-header__brand {
	display: flex;
	align-items: center;
	flex-shrink: 0;
}

.site-header__brand-link {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	text-decoration: none;
	color: var(--color-text-primary);
	padding: var(--space-sm);
	border-radius: var(--border-radius-md);
	transition: background-color var(--duration-normal) var(--easing-standard);
}

.site-header__brand-link:hover {
	background-color: var(--color-bg-secondary);
}

.site-header__brand-link:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: 2px;
}

.site-header__logo {
	width: var(--logo-size);
	height: var(--logo-size);
	display: block;
	flex-shrink: 0;
}

.site-header__name {
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-semibold);
	white-space: nowrap;
	color: var(--color-text-primary);
}

.site-header__name-short {
	display: none;
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-semibold);
	color: var(--color-text-primary);
}

/* ============================================
   CENTER: CONTEXT SECTION
   ============================================ */

.site-header__context {
	display: flex;
	align-items: center;
	justify-content: center;
	flex: 1;
	min-width: 0; /* Allow shrinking */
}

.site-header__room-info {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	flex-wrap: wrap;
	justify-content: center;
}

.site-header__game-name {
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-semibold);
	color: var(--color-primary);
}

.site-header__separator {
	font-size: var(--font-size-base);
	color: var(--color-text-muted);
	font-weight: var(--font-weight-normal);
}

.site-header__room-label {
	font-size: var(--font-size-base);
	color: var(--color-text-secondary);
	font-weight: var(--font-weight-medium);
}

.site-header__room-code {
	font-size: var(--font-size-2xl);
	font-weight: var(--font-weight-bold);
	letter-spacing: var(--letter-spacing-wide);
	color: var(--color-bg-dark);
	font-family: var(--font-family-mono);
}

.site-header__context-text {
	font-size: var(--font-size-xl);
	font-weight: var(--font-weight-semibold);
	color: var(--color-text-primary);
}

.site-header__qr-btn {
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--space-xs);
	border-radius: var(--border-radius-md);
	transition: all var(--duration-normal) var(--easing-standard);
	display: flex;
	align-items: center;
	justify-content: center;
	min-width: var(--touch-target-min);
	min-height: var(--touch-target-min);
}

.site-header__qr-btn:hover {
	background-color: var(--color-bg-hover);
	transform: scale(1.05);
}

.site-header__qr-btn:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: 2px;
}

.site-header__qr-icon {
	width: 32px;
	height: 32px;
	border: var(--border-width) solid var(--color-border-medium);
	border-radius: var(--border-radius-base);
}

/* ============================================
   RIGHT: CONTROLS SECTION
   ============================================ */

.site-header__controls {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	flex-shrink: 0;
}

/* Auth Area */
.site-header__auth {
	display: flex;
	align-items: center;
}

.site-header__login-btn {
	background-color: var(--color-primary);
	color: var(--color-text-inverse);
	padding: var(--space-sm) var(--space-lg);
	border: none;
	border-radius: var(--border-radius-md);
	font-size: var(--font-size-sm);
	font-weight: var(--font-weight-semibold);
	cursor: pointer;
	transition: background-color var(--duration-normal) var(--easing-standard), 
	            transform var(--duration-normal) var(--easing-standard);
	min-height: var(--touch-target-min);
	white-space: nowrap;
}

.site-header__login-btn:hover {
	background-color: var(--color-primary-dark);
	transform: translateY(-1px);
}

.site-header__login-btn:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: 2px;
}

.site-header__user-btn {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	background: none;
	border: var(--border-width) solid var(--color-border-medium);
	border-radius: var(--border-radius-md);
	padding: var(--space-xs) var(--space-sm);
	cursor: pointer;
	transition: all var(--duration-normal) var(--easing-standard);
	min-height: var(--touch-target-min);
}

.site-header__user-btn:hover {
	background-color: var(--color-bg-secondary);
	border-color: var(--color-primary);
}

.site-header__user-btn:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: 2px;
}

.site-header__user-avatar {
	width: 32px;
	height: 32px;
	border-radius: var(--border-radius-full);
	background-color: var(--color-primary);
	color: var(--color-text-inverse);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: var(--font-weight-semibold);
	font-size: var(--font-size-sm);
}

.site-header__user-name {
	font-weight: var(--font-weight-medium);
	color: var(--color-text-primary);
}

/* Burger Menu */
.site-header__burger {
	background: none;
	border: none;
	cursor: pointer;
	padding: var(--space-sm);
	border-radius: var(--border-radius-md);
	transition: all var(--duration-normal) var(--easing-standard);
	min-width: var(--touch-target-min);
	min-height: var(--touch-target-min);
	display: flex;
	align-items: center;
	justify-content: center;
}

.site-header__burger:hover {
	background-color: var(--color-bg-hover);
}

.site-header__burger:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: 2px;
}

.site-header__burger-icon {
	position: relative;
	display: block;
	width: 24px;
	height: 20px;
}

.site-header__burger-icon::before,
.site-header__burger-icon::after,
.site-header__burger-icon span {
	content: "";
	position: absolute;
	left: 0;
	width: 100%;
	height: 3px;
	background-color: var(--color-text-primary);
	border-radius: var(--border-radius-sm);
	transition: all var(--duration-normal) var(--easing-standard);
}

.site-header__burger-icon::before {
	top: 0;
}

.site-header__burger-icon::after {
	bottom: 0;
}

.site-header__burger-icon span {
	top: 50%;
	transform: translateY(-50%);
}

/* Burger icon animation when active */
.site-header__burger[aria-expanded="true"] .site-header__burger-icon::before {
	transform: translateY(8.5px) rotate(45deg);
}

.site-header__burger[aria-expanded="true"] .site-header__burger-icon::after {
	transform: translateY(-8.5px) rotate(-45deg);
}

.site-header__burger[aria-expanded="true"] .site-header__burger-icon span {
	opacity: 0;
}

/* ============================================
   DROPDOWN MENU
   ============================================ */

.site-header__dropdown {
	position: absolute;
	top: calc(var(--header-height) + 5px);
	right: var(--space-lg);
	background-color: var(--color-bg-primary);
	border: var(--border-width) solid var(--color-border-medium);
	border-radius: var(--border-radius-lg);
	box-shadow: var(--shadow-lg);
	padding: var(--space-sm) 0;
	z-index: calc(var(--z-header) + 1);
	min-width: 220px;
	display: none;
	opacity: 0;
	transform: translateY(-10px);
	transition: opacity var(--duration-normal) var(--easing-enter), 
	            transform var(--duration-normal) var(--easing-enter);
}

.site-header__dropdown[aria-hidden="false"] {
	display: block;
	opacity: 1;
	transform: translateY(0);
}

.site-header__menu-list {
	list-style: none;
	padding: 0;
	margin: 0;
}

/* Mobile login button in menu (hidden by default) */
.site-header__menu-item-mobile-auth {
	display: none;
}

.site-header__menu-item {
	width: 100%;
	text-align: left;
	padding: var(--space-sm) var(--space-lg);
	background: none;
	border: none;
	cursor: pointer;
	font-size: var(--font-size-base);
	color: var(--color-text-primary);
	transition: background-color var(--duration-normal) var(--easing-standard), 
	            color var(--duration-normal) var(--easing-standard);
	display: block;
	text-decoration: none;
}

.site-header__menu-item:hover {
	background-color: var(--color-bg-secondary);
	color: var(--color-bg-dark);
}

.site-header__menu-item:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: -2px;
}

.site-header__menu-item--host {
	background-color: var(--color-warning-bg);
	font-weight: var(--font-weight-medium);
}

.site-header__menu-item--host:hover {
	background-color: var(--color-warning-border);
}

/* ============================================
   QR CODE POPUP (from lobby.css)
   ============================================ */

.qr-popup-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.7);
	display: none;
	justify-content: center;
	align-items: center;
	z-index: calc(var(--z-header) + 10);
	backdrop-filter: blur(2px);
}

.qr-popup-overlay[aria-hidden="false"] {
	display: flex;
}

.qr-popup-content {
	background-color: var(--color-bg-primary);
	padding: var(--space-xl);
	border-radius: var(--border-radius-xl);
	text-align: center;
	max-width: 90%;
	max-height: 90%;
	overflow: auto;
	position: relative;
	box-shadow: var(--shadow-xl);
	animation: qrPopupFadeIn var(--duration-medium) var(--easing-enter);
}

.qr-close {
	position: absolute;
	top: var(--space-sm);
	right: var(--space-sm);
	background: none;
	border: none;
	font-size: var(--font-size-3xl);
	cursor: pointer;
	color: var(--color-text-secondary);
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: var(--border-radius-full);
	transition: all var(--duration-normal) var(--easing-standard);
	min-width: var(--touch-target-min);
	min-height: var(--touch-target-min);
}

.qr-close:hover {
	background-color: var(--color-bg-hover);
	color: var(--color-text-primary);
	transform: scale(1.1);
}

.qr-close:focus-visible {
	outline: var(--border-width-thick) solid var(--color-primary);
	outline-offset: 2px;
}

.qr-popup-room-code {
	font-size: 2.5rem;
	font-weight: var(--font-weight-bold);
	letter-spacing: 5px;
	margin-bottom: var(--space-lg);
	color: var(--color-bg-dark);
}

.qr-popup-image {
	margin: var(--space-lg) 0;
	display: flex;
	justify-content: center;
}

.qr-popup-img {
	width: 80%;
	max-width: 300px;
	height: auto;
	border: var(--border-width-thick) solid var(--color-text-primary);
	border-radius: var(--border-radius-lg);
	box-shadow: var(--shadow-lg);
}

.qr-fallback-text {
	font-size: var(--font-size-sm);
	color: var(--color-text-secondary);
	margin-top: var(--space-sm);
	text-align: center;
}

.qr-popup-instructions {
	font-size: var(--font-size-lg);
	color: var(--color-text-secondary);
	margin-top: var(--space-md);
	font-weight: var(--font-weight-medium);
}

@keyframes qrPopupFadeIn {
	from {
		opacity: 0;
		transform: translateY(-20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ============================================
   BOARD MODE (TV DISPLAY)
   ============================================ */

.site-header--board-mode .site-header__brand {
	opacity: 0.3;
}

.site-header--board-mode .site-header__room-code {
	font-size: var(--font-size-3xl);
	letter-spacing: 8px;
}

.site-header--board-mode .site-header__controls {
	opacity: 0.3;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
	.site-header__name {
		display: none;
	}
	
	.site-header__name-short {
		display: block;
	}
}

/* Mobile */
@media (max-width: 768px) {
	.site-header {
		height: var(--header-height-mobile);
	}
	
	.site-header__container {
		padding: 0 var(--space-sm);
		gap: var(--space-sm);
	}
	
	.site-header__logo {
		width: var(--logo-size-mobile);
		height: var(--logo-size-mobile);
	}
	
	.site-header__game-name {
		font-size: var(--font-size-base);
	}
	
	.site-header__separator {
		font-size: var(--font-size-sm);
	}
	
	.site-header__room-label {
		display: none;
	}
	
	.site-header__room-code {
		font-size: var(--font-size-xl);
		letter-spacing: var(--letter-spacing-normal);
	}
	
	.site-header__context-text {
		font-size: var(--font-size-base);
	}
	
	/* Hide desktop auth (login button) on mobile */
	.site-header__auth--desktop {
		display: none;
	}
	
	/* Show mobile login in burger menu */
	.site-header__menu-item-mobile-auth {
		display: block;
		border-bottom: var(--border-width) solid var(--color-border-light);
		margin-bottom: var(--space-xs);
	}
	
	.site-header__menu-item-mobile-auth .site-header__menu-item {
		color: var(--color-primary);
		font-weight: var(--font-weight-semibold);
	}
	
	.site-header__menu-item-mobile-auth .site-header__menu-item:hover {
		background-color: var(--color-primary-light);
	}
	
	.site-header__user-name {
		display: none;
	}
	
	.site-header__dropdown {
		position: fixed;
		top: var(--header-height-mobile);
		left: 0;
		right: 0;
		width: 100%;
		max-width: 100%;
		border-radius: 0;
		border-left: none;
		border-right: none;
	}
	
	.site-header__menu-item {
		padding: 14px var(--space-lg);
		font-size: var(--font-size-lg);
	}
	
	.qr-popup-content {
		padding: var(--space-md);
		max-width: 95%;
	}
	
	.qr-popup-room-code {
		font-size: var(--font-size-3xl);
	}
	
	.qr-popup-img {
		width: 90%;
		max-width: 250px;
	}
}

/* Very small mobile */
@media (max-width: 480px) {
	.site-header__name-short {
		display: none;
	}
	
	.site-header__game-name {
		font-size: var(--font-size-sm);
	}
	
	.site-header__separator {
		display: none;
	}
	
	.site-header__room-code {
		font-size: var(--font-size-lg);
		letter-spacing: var(--letter-spacing-tight);
	}
}

/* Short screens */
@media (max-height: 600px) {
	.site-header {
		height: var(--header-height-short);
	}
	
	.qr-popup-content {
		max-height: 85%;
	}
}