/* KPPV Premium Navigation - Frontend styles
   All selectors are prefixed with kppv-nav- to avoid theme conflicts. */

.kppv-nav-wrapper {
	--kppv-nav-bg: rgba(255, 255, 255, 0.88);
	--kppv-nav-text: #1a1a1a;
	--kppv-nav-accent: #ff1a1a;
	--kppv-nav-radius: 999px;
	--kppv-nav-blur: 18px;
	--kppv-nav-shadow: 0 10px 35px rgba(0, 0, 0, 0.12);
	--kppv-nav-width: 1100px;
	--kppv-nav-height: 64px;

	max-width: 100%;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	animation: kppv-nav-fade-in 0.5s ease both;
}

.kppv-nav-wrapper *,
.kppv-nav-wrapper *::before,
.kppv-nav-wrapper *::after {
	box-sizing: border-box;
}

@keyframes kppv-nav-fade-in {
	from { opacity: 0; transform: translateY(-6px); }
	to { opacity: 1; transform: translateY(0); }
}

.kppv-nav-navbar {
	width: min(100%, var(--kppv-nav-width));
	min-height: var(--kppv-nav-height);
	margin: 0 auto;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 8px 22px;
	background: var(--kppv-nav-bg);
	color: var(--kppv-nav-text);
	border-radius: var(--kppv-nav-radius);
	box-shadow: var(--kppv-nav-shadow);
	-webkit-backdrop-filter: blur(var(--kppv-nav-blur));
	backdrop-filter: blur(var(--kppv-nav-blur));
	position: relative;
}

.kppv-nav-brand {
	display: flex;
	align-items: center;
	gap: 10px;
	min-width: 0;
	flex-shrink: 0;
}

.kppv-nav-logo {
	height: calc(var(--kppv-nav-height) - 22px);
	max-height: 40px;
	width: auto;
	display: block;
	object-fit: contain;
}

.kppv-nav-sitename {
	font-weight: 700;
	font-size: 17px;
	letter-spacing: 0.2px;
	white-space: nowrap;
}

.kppv-nav-desktop {
	flex: 1 1 auto;
	display: flex;
	justify-content: flex-end;
	min-width: 0;
}

.kppv-nav-menu {
	list-style: none;
	display: flex;
	align-items: center;
	gap: 4px;
	margin: 0;
	padding: 0;
}

.kppv-nav-item {
	position: relative;
}

.kppv-nav-link {
	display: flex;
	align-items: center;
	gap: 6px;
	text-decoration: none;
	color: var(--kppv-nav-text);
	font-weight: 500;
	font-size: 14.5px;
	padding: 9px 14px;
	border-radius: calc(var(--kppv-nav-radius) / 2);
	transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
	white-space: nowrap;
}

.kppv-nav-link:hover,
.kppv-nav-link:focus-visible {
	color: var(--kppv-nav-accent);
	background: color-mix(in srgb, var(--kppv-nav-accent) 10%, transparent);
	outline: none;
}

.kppv-nav-link:focus-visible {
	box-shadow: 0 0 0 2px var(--kppv-nav-accent);
}

.kppv-nav-item.kppv-nav-active > .kppv-nav-link {
	color: var(--kppv-nav-accent);
	font-weight: 700;
}

.kppv-nav-icon {
	display: inline-flex;
	line-height: 0;
}

.kppv-nav-icon svg {
	display: block;
}

.kppv-nav-caret {
	font-size: 10px;
	margin-left: 2px;
	transition: transform 0.2s ease;
}

.kppv-nav-item.kppv-nav-has-children:hover > .kppv-nav-link .kppv-nav-caret,
.kppv-nav-item.kppv-nav-has-children:focus-within > .kppv-nav-link .kppv-nav-caret {
	transform: rotate(180deg);
}

.kppv-nav-desc {
	display: none;
}

/* Dropdowns (desktop) */
.kppv-nav-submenu {
	list-style: none;
	position: absolute;
	top: calc(100% + 10px);
	left: 0;
	min-width: 220px;
	margin: 0;
	padding: 8px;
	background: color-mix(in srgb, var(--kppv-nav-bg) 96%, #fff 4%);
	border-radius: 16px;
	box-shadow: 0 16px 40px rgba(0, 0, 0, 0.16);
	-webkit-backdrop-filter: blur(var(--kppv-nav-blur));
	backdrop-filter: blur(var(--kppv-nav-blur));
	opacity: 0;
	visibility: hidden;
	transform: translateY(-6px);
	transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
	z-index: 20;
}

.kppv-nav-item.kppv-nav-has-children:hover > .kppv-nav-submenu,
.kppv-nav-item.kppv-nav-has-children:focus-within > .kppv-nav-submenu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.kppv-nav-submenu .kppv-nav-item {
	width: 100%;
}

.kppv-nav-submenu .kppv-nav-link {
	width: 100%;
	border-radius: 10px;
}

/* Hamburger */
.kppv-nav-hamburger {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 36px;
	height: 36px;
	padding: 0;
	background: transparent;
	border: none;
	border-radius: 50%;
	cursor: pointer;
	flex-shrink: 0;
	transition: background-color 0.2s ease;
}

.kppv-nav-hamburger:hover,
.kppv-nav-hamburger:focus-visible {
	background: color-mix(in srgb, var(--kppv-nav-accent) 12%, transparent);
	outline: none;
}

.kppv-nav-hamburger-line {
	display: block;
	width: 20px;
	height: 2px;
	margin: 0 auto;
	background: var(--kppv-nav-text);
	border-radius: 2px;
	transition: transform 0.25s ease, opacity 0.2s ease;
}

.kppv-nav-hamburger[aria-expanded="true"] .kppv-nav-hamburger-line:nth-child(1) {
	transform: translateY(7px) rotate(45deg);
}

.kppv-nav-hamburger[aria-expanded="true"] .kppv-nav-hamburger-line:nth-child(2) {
	opacity: 0;
}

.kppv-nav-hamburger[aria-expanded="true"] .kppv-nav-hamburger-line:nth-child(3) {
	transform: translateY(-7px) rotate(-45deg);
}

/* Mobile panel */
.kppv-nav-mobile {
	width: min(100%, var(--kppv-nav-width));
	margin: 8px auto 0;
	padding: 10px;
	background: var(--kppv-nav-bg);
	border-radius: 20px;
	box-shadow: var(--kppv-nav-shadow);
	-webkit-backdrop-filter: blur(var(--kppv-nav-blur));
	backdrop-filter: blur(var(--kppv-nav-blur));
	overflow: hidden;
	max-height: 0;
	opacity: 0;
	transition: max-height 0.3s ease, opacity 0.25s ease;
}

.kppv-nav-mobile.kppv-nav-open {
	max-height: 1200px;
	opacity: 1;
}

.kppv-nav-mobile[hidden] {
	display: none;
}

.kppv-nav-mobile .kppv-nav-menu {
	flex-direction: column;
	align-items: stretch;
	gap: 2px;
}

.kppv-nav-mobile .kppv-nav-link {
	width: 100%;
	padding: 12px 14px;
	border-radius: 12px;
}

.kppv-nav-mobile .kppv-nav-submenu {
	position: static;
	opacity: 1;
	visibility: visible;
	transform: none;
	box-shadow: none;
	background: transparent;
	padding-left: 14px;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.25s ease;
}

.kppv-nav-mobile .kppv-nav-item.kppv-nav-submenu-open > .kppv-nav-submenu {
	max-height: 800px;
}

.kppv-nav-mobile .kppv-nav-item.kppv-nav-has-children > .kppv-nav-link .kppv-nav-caret {
	margin-left: auto;
}

/* Mode switching: JS adds kppv-nav-mode-mobile / kppv-nav-mode-desktop to the wrapper
   based on the configured breakpoints, since CSS custom properties cannot drive
   @media queries directly. A CSS-only fallback keeps things usable if JS is delayed. */
.kppv-nav-wrapper.kppv-nav-mode-mobile .kppv-nav-desktop {
	display: none;
}

.kppv-nav-wrapper.kppv-nav-mode-mobile .kppv-nav-hamburger {
	display: inline-flex;
}

.kppv-nav-wrapper.kppv-nav-mode-desktop .kppv-nav-mobile {
	display: none;
}

@media (max-width: 991px) {
	.kppv-nav-wrapper:not(.kppv-nav-mode-desktop) .kppv-nav-desktop {
		display: none;
	}
	.kppv-nav-wrapper:not(.kppv-nav-mode-desktop) .kppv-nav-hamburger {
		display: inline-flex;
	}
}

@media (min-width: 992px) {
	.kppv-nav-wrapper:not(.kppv-nav-mode-mobile):not(.kppv-nav-mode-desktop) .kppv-nav-mobile {
		display: none;
	}
}