/**
 * TenderPipe Unified Header Styles
 *
 * Comprehensive styling for the consolidated header component
 * Uses design tokens exclusively - no hardcoded values
 *
 * @package TenderPipe
 * @version 2.0.0
 */

/* ============================================
   HEADER BASE STYLES
   ============================================ */

.tp-header-unified {
	position: sticky;
	top: 0;
	left: 0;
	right: 0;
	z-index: var(--tp-z-sticky);
	background: var(--tp-white);
	border-bottom: 1px solid rgba(0, 0, 0, 0.06);
	box-shadow: none;
	transition: box-shadow var(--tp-transition-base);
}

.tp-header-unified.scrolled {
	box-shadow: var(--tp-shadow-md);
}

.tp-header-content {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: var(--tp-header-height);
	gap: var(--tp-spacing-6);
}

/* ============================================
   LOGO STYLES
   ============================================ */

.tp-header-logo {
	flex-shrink: 0;
}

.tp-header-logo a {
	text-decoration: none !important;
	display: inline-flex;
	align-items: center;
	transition: opacity var(--tp-transition-base);
	color: inherit;
}

.tp-header-logo a:hover {
	opacity: 0.85;
}

.tp-header-logo a:focus-visible {
	outline: var(--tp-focus-ring-width) solid var(--tp-focus-ring-color);
	outline-offset: var(--tp-focus-ring-offset);
	border-radius: var(--tp-radius-sm);
}

.tp-logo-text {
	font-size: 2.2rem;
	font-weight: var(--tp-font-weight-bold);
	display: flex;
	align-items: center;
	letter-spacing: var(--tp-letter-spacing-tight);
}

.tp-logo-primary {
	color: var(--tp-logo-primary);
	transition: color var(--tp-transition-base);
}

.tp-logo-accent {
	color: var(--tp-logo-accent);
	transition: color var(--tp-transition-base);
}

.tp-header-logo a:hover .tp-logo-primary {
	color: var(--tp-primary-light);
}

.tp-header-logo a:hover .tp-logo-accent {
	color: var(--tp-accent-light);
}

/* ============================================
   NAVIGATION STYLES
   ============================================ */

/* Reset all links in header to prevent global styles from interfering */
.tp-header-unified a,
.tp-header-unified a:link,
.tp-header-unified a:visited,
.tp-header-unified a:hover,
.tp-header-unified a:active {
	text-decoration: none !important;
	text-decoration-line: none !important;
	text-decoration-style: none !important;
	text-decoration-color: transparent !important;
	border-bottom: none !important;
	box-shadow: none !important;
}

.tp-header-unified a {
	color: inherit;
}

.tp-header-nav {
	display: none;
	align-items: center;
	gap: var(--tp-spacing-6);
	flex: 1;
	justify-content: flex-end;
}

@media (min-width: 1024px) {
	.tp-header-nav {
		display: flex;
	}
}

a.tp-nav-link {
	position: relative;
	padding: var(--tp-spacing-2) var(--tp-spacing-3);
	font-size: var(--tp-font-size-base);
	font-weight: var(--tp-font-weight-medium);
	color: var(--tp-text-secondary) !important;
	text-decoration: none !important;
	border-radius: var(--tp-radius-base);
	transition: var(--tp-transition-colors);
	white-space: nowrap;
}

a.tp-nav-link:hover {
	color: var(--tp-primary) !important;
	background: var(--tp-surface-hover);
	text-decoration: none !important;
}

a.tp-nav-link:focus-visible {
	outline: var(--tp-focus-ring-width) solid var(--tp-focus-ring-color);
	outline-offset: var(--tp-focus-ring-offset);
}

a.tp-nav-link.active {
	color: var(--tp-primary) !important;
	font-weight: var(--tp-font-weight-semibold);
}

a.tp-nav-link.active::after {
	content: '';
	position: absolute;
	bottom: -1px;
	left: var(--tp-spacing-3);
	right: var(--tp-spacing-3);
	height: 2px;
	background: var(--tp-primary);
	border-radius: var(--tp-radius-full);
}

/* Navigation text variations for responsive display */
.tp-nav-text-short {
	display: none;
}

@media (min-width: 1024px) and (max-width: 1280px) {
	.tp-nav-text-full {
		display: none;
	}

	.tp-nav-text-short {
		display: inline;
	}
}

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

.tp-user-menu {
	position: relative;
}

.tp-user-menu-toggle {
	display: flex;
	align-items: center;
	gap: var(--tp-spacing-2);
	padding: var(--tp-spacing-1-5) var(--tp-spacing-3);
	background: var(--tp-surface);
	border: 1px solid var(--tp-border);
	border-radius: var(--tp-radius-full);
	cursor: pointer;
	transition: var(--tp-transition-all);
	font-size: var(--tp-font-size-sm);
	font-weight: var(--tp-font-weight-medium);
	color: var(--tp-text-primary);
}

.tp-user-menu-toggle:hover {
	background: var(--tp-surface-hover);
	border-color: var(--tp-border-medium);
}

.tp-user-menu-toggle:focus-visible {
	outline: var(--tp-focus-ring-width) solid var(--tp-focus-ring-color);
	outline-offset: var(--tp-focus-ring-offset);
	border-color: var(--tp-primary);
}

.tp-user-menu-toggle[aria-expanded="true"] {
	background: var(--tp-surface-active);
	border-color: var(--tp-primary);
}

.tp-user-menu-toggle[aria-expanded="true"] .tp-chevron {
	transform: rotate(180deg);
}

.tp-user-avatar {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	background: linear-gradient(135deg, var(--tp-primary), var(--tp-primary-light));
	color: var(--tp-white);
	border-radius: var(--tp-radius-full);
	font-weight: var(--tp-font-weight-bold);
	font-size: var(--tp-font-size-sm);
	flex-shrink: 0;
}

.tp-user-name {
	max-width: 150px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tp-chevron {
	flex-shrink: 0;
	transition: transform var(--tp-transition-base);
	color: var(--tp-text-tertiary);
}

/* User Dropdown Menu */
.tp-user-dropdown {
	position: absolute;
	top: calc(100% + var(--tp-spacing-2));
	right: 0;
	min-width: 280px;
	background: var(--tp-white);
	border: 1px solid var(--tp-border);
	border-radius: var(--tp-radius-xl);
	box-shadow: var(--tp-shadow-lg);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-8px);
	transition: opacity var(--tp-transition-base),
	            transform var(--tp-transition-base),
	            visibility 0s var(--tp-duration-base);
	z-index: var(--tp-z-dropdown);
}

.tp-user-menu-toggle[aria-expanded="true"] + .tp-user-dropdown {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
	transition-delay: 0s;
}

.tp-user-dropdown-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: var(--tp-spacing-3);
	padding: var(--tp-spacing-4);
}

.tp-user-info {
	flex: 1;
	min-width: 0;
}

.tp-user-display-name {
	font-size: var(--tp-font-size-base);
	font-weight: var(--tp-font-weight-semibold);
	color: var(--tp-text-primary);
	margin: 0 0 var(--tp-spacing-0-5) 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tp-user-email {
	font-size: var(--tp-font-size-sm);
	color: var(--tp-text-tertiary);
	margin: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tp-tier-badge {
	display: inline-flex;
	align-items: center;
	padding: var(--tp-spacing-1) var(--tp-spacing-2);
	font-size: var(--tp-font-size-xs);
	font-weight: var(--tp-font-weight-semibold);
	text-transform: uppercase;
	letter-spacing: var(--tp-letter-spacing-wide);
	border-radius: var(--tp-radius-full);
	flex-shrink: 0;
}

.tp-tier-free {
	background: var(--tp-gray-100);
	color: var(--tp-gray-700);
}

.tp-tier-pro {
	background: linear-gradient(135deg, var(--tp-accent), var(--tp-accent-dark));
	color: var(--tp-white);
}

.tp-user-dropdown-divider {
	height: 1px;
	background: var(--tp-border-light);
	margin: 0;
}

a.tp-dropdown-item {
	display: flex;
	align-items: center;
	gap: var(--tp-spacing-3);
	padding: var(--tp-spacing-3) var(--tp-spacing-4);
	font-size: var(--tp-font-size-sm);
	font-weight: var(--tp-font-weight-medium);
	color: var(--tp-text-secondary);
	text-decoration: none !important;
	transition: var(--tp-transition-colors);
}

a.tp-dropdown-item:hover {
	background: var(--tp-surface-hover);
	color: var(--tp-text-primary);
	text-decoration: none !important;
}

a.tp-dropdown-item:focus-visible {
	outline: var(--tp-focus-ring-width) solid var(--tp-focus-ring-color);
	outline-offset: calc(var(--tp-focus-ring-offset) * -1);
}

a.tp-dropdown-item svg {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
	color: var(--tp-text-tertiary);
	transition: color var(--tp-transition-fast);
}

a.tp-dropdown-item:hover svg {
	color: var(--tp-primary);
}

a.tp-dropdown-item.tp-upgrade-item {
	color: var(--tp-accent);
}

a.tp-dropdown-item.tp-upgrade-item svg {
	color: var(--tp-accent);
}

a.tp-dropdown-item.tp-upgrade-item:hover {
	background: var(--tp-accent-50);
	color: var(--tp-accent-dark);
}

a.tp-dropdown-item.tp-logout-item {
	color: var(--tp-error);
}

a.tp-dropdown-item.tp-logout-item svg {
	color: var(--tp-error);
}

a.tp-dropdown-item.tp-logout-item:hover {
	background: var(--tp-error-bg);
	color: var(--tp-error-dark);
}

/* ============================================
   BUTTONS IN HEADER
   ============================================ */

.tp-header-nav .tp-btn {
	height: var(--tp-button-height-sm);
	padding: 0 var(--tp-button-padding-x-sm);
	font-size: var(--tp-font-size-sm);
	font-weight: var(--tp-font-weight-semibold);
	border-radius: var(--tp-radius-full);
	transition: var(--tp-transition-all);
	border: none;
	cursor: pointer;
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	white-space: nowrap;
}

.tp-btn-primary {
	background: var(--tp-accent);
	color: var(--tp-white);
	box-shadow: var(--tp-shadow-sm);
}

.tp-btn-primary:hover {
	background: var(--tp-accent-dark);
	transform: translateY(-1px);
	box-shadow: var(--tp-shadow-accent);
}

.tp-btn-primary:active {
	transform: translateY(0);
	box-shadow: var(--tp-shadow-xs);
}

.tp-btn-primary:focus-visible {
	outline: var(--tp-focus-ring-width) solid var(--tp-accent);
	outline-offset: var(--tp-focus-ring-offset);
}

/* ============================================
   MOBILE MENU TOGGLE
   ============================================ */

.tp-mobile-menu-toggle {
	display: flex;
	flex-direction: column;
	justify-content: space-around;
	width: var(--tp-touch-target-min);
	height: var(--tp-touch-target-min);
	padding: var(--tp-spacing-2);
	background: #ffffff;
	border: 1px solid var(--tp-border);
	border-radius: var(--tp-radius-base);
	cursor: pointer;
	transition: var(--tp-transition-colors);
}

@media (min-width: 1024px) {
	.tp-mobile-menu-toggle {
		display: none;
	}
}

.tp-mobile-menu-toggle:hover,
.tp-mobile-menu-toggle:focus,
.tp-mobile-menu-toggle:active {
	background: #ffffff;
	border-color: var(--tp-border);
	outline: none;
}

.tp-mobile-menu-toggle:focus-visible {
	outline: 2px solid rgba(0, 0, 0, 0.1);
	outline-offset: 2px;
}

.tp-hamburger-line {
	width: 100%;
	height: 2px;
	background: #000000;
	border-radius: var(--tp-radius-full);
	transition: var(--tp-transition-transform);
}

.tp-mobile-menu-toggle[aria-expanded="true"] .tp-hamburger-line:nth-child(1) {
	transform: translateY(8px) rotate(45deg);
}

.tp-mobile-menu-toggle[aria-expanded="true"] .tp-hamburger-line:nth-child(2) {
	opacity: 0;
}

.tp-mobile-menu-toggle[aria-expanded="true"] .tp-hamburger-line:nth-child(3) {
	transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   MOBILE NAVIGATION OVERLAY
   ============================================ */

.tp-mobile-nav-overlay {
	position: fixed;
	top: var(--tp-header-height);
	left: 0;
	right: 0;
	bottom: 0;
	background: var(--tp-overlay);
	backdrop-filter: var(--tp-backdrop-blur-md);
	-webkit-backdrop-filter: var(--tp-backdrop-blur-md);
	z-index: var(--tp-z-modal);
	opacity: 0;
	visibility: hidden;
	transition: opacity var(--tp-transition-base),
	            visibility 0s var(--tp-duration-base);
}

@media (min-width: 1024px) {
	.tp-mobile-nav-overlay {
		display: none;
	}
}

.tp-mobile-nav-overlay[aria-hidden="false"] {
	opacity: 1;
	visibility: visible;
	transition-delay: 0s;
}

.tp-mobile-nav-content {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	width: 85%;
	max-width: 400px;
	background: var(--tp-white);
	box-shadow: var(--tp-shadow-2xl);
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
	transform: translateX(100%);
	transition: transform var(--tp-transition-base);
}

.tp-mobile-nav-overlay[aria-hidden="false"] .tp-mobile-nav-content {
	transform: translateX(0);
}

.tp-mobile-nav-menu {
	padding: var(--tp-spacing-4);
}

.tp-mobile-user-info {
	display: flex;
	align-items: center;
	gap: var(--tp-spacing-3);
	padding: var(--tp-spacing-4);
	background: var(--tp-surface-hover);
	border-radius: var(--tp-radius-xl);
	margin-bottom: var(--tp-spacing-4);
}

.tp-mobile-user-avatar {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	background: linear-gradient(135deg, var(--tp-primary), var(--tp-primary-light));
	color: var(--tp-white);
	border-radius: var(--tp-radius-full);
	font-weight: var(--tp-font-weight-bold);
	font-size: var(--tp-font-size-lg);
	flex-shrink: 0;
}

.tp-mobile-user-info > div {
	flex: 1;
	min-width: 0;
}

.tp-mobile-user-name {
	font-size: var(--tp-font-size-base);
	font-weight: var(--tp-font-weight-semibold);
	color: var(--tp-text-primary);
	margin: 0 0 var(--tp-spacing-0-5) 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tp-mobile-user-email {
	font-size: var(--tp-font-size-sm);
	color: var(--tp-text-tertiary);
	margin: 0;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tp-mobile-nav-divider {
	height: 1px;
	background: var(--tp-border-light);
	margin: var(--tp-spacing-4) 0;
}

a.tp-mobile-nav-link {
	display: block;
	padding: var(--tp-spacing-3) var(--tp-spacing-4);
	font-size: var(--tp-font-size-base);
	font-weight: var(--tp-font-weight-medium);
	color: var(--tp-text-secondary);
	text-decoration: none !important;
	border-radius: var(--tp-radius-base);
	transition: var(--tp-transition-colors);
	margin-bottom: var(--tp-spacing-1);
}

a.tp-mobile-nav-link:hover,
a.tp-mobile-nav-link:focus-visible {
	background: var(--tp-surface-hover);
	color: var(--tp-text-primary);
	text-decoration: none !important;
}

a.tp-mobile-nav-link:focus-visible {
	outline: var(--tp-focus-ring-width) solid var(--tp-focus-ring-color);
	outline-offset: calc(var(--tp-focus-ring-offset) * -1);
}

a.tp-upgrade-link {
	color: var(--tp-accent);
	font-weight: var(--tp-font-weight-semibold);
	text-decoration: none !important;
}

a.tp-upgrade-link:hover {
	background: var(--tp-accent-50);
	color: var(--tp-accent-dark);
	text-decoration: none !important;
}

a.tp-logout-link {
	color: var(--tp-error);
	text-decoration: none !important;
}

a.tp-logout-link:hover {
	background: var(--tp-error-bg);
	color: var(--tp-error-dark);
	text-decoration: none !important;
}

.tp-btn-block {
	width: 100%;
	display: flex;
	margin-top: var(--tp-spacing-2);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Skip to main content link */
.tp-skip-link {
	position: absolute;
	top: -100px;
	left: var(--tp-spacing-4);
	padding: var(--tp-spacing-2) var(--tp-spacing-4);
	background: var(--tp-primary);
	color: var(--tp-white);
	font-weight: var(--tp-font-weight-semibold);
	border-radius: var(--tp-radius-base);
	text-decoration: none;
	z-index: var(--tp-z-notification);
	transition: top var(--tp-transition-base);
}

.tp-skip-link:focus {
	top: var(--tp-spacing-4);
}

/* Screen reader only text */
.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border-width: 0;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 767px) {
	.tp-header-content {
		height: var(--tp-header-height-mobile);
	}

	.tp-logo-text {
		font-size: var(--tp-font-size-xl);
	}

	.tp-mobile-nav-overlay {
		top: var(--tp-header-height-mobile);
	}
}

/* Prevent body scroll when mobile menu is open */
body.tp-mobile-nav-open {
	overflow: hidden;
}