/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--ccs-header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ccs-border);
    transition: background 0.3s ease;
}

.header-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* --- Branding --- */
.site-branding {
    flex-shrink: 0;
}

.site-branding .custom-logo-link {
    display: block;
    line-height: 0;
}

.site-branding .custom-logo {
    max-height: 45px;
    width: auto;
}

.site-title-link {
    text-decoration: none;
}

.site-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--ccs-text-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- Primary Nav --- */
.primary-nav {
    display: flex;
    align-items: center;
}

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

.nav-menu li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 10px 16px;
    color: var(--ccs-text);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
    white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a {
    color: var(--ccs-accent);
}

/* Sub-menu */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--ccs-surface);
    border: 1px solid var(--ccs-border);
    border-radius: 8px;
    min-width: 200px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.2s ease;
    list-style: none;
    z-index: 100;
    box-shadow: var(--ccs-card-shadow);
}

.nav-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu .sub-menu a {
    display: block;
    padding: 8px 20px;
    color: var(--ccs-text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-menu .sub-menu a:hover {
    color: var(--ccs-text);
    background: var(--ccs-surface-hover);
}

/* 3rd level dropdown — fly right */
.nav-menu .sub-menu .sub-menu {
    top: -8px;
    left: 100%;
    border-radius: 8px;
}

/* --- Header Right --- */
.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: var(--ccs-text);
    transition: all 0.2s;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
}

.header-icon:hover {
    color: var(--ccs-text-heading);
    background: var(--ccs-surface-hover);
}

.header-icon:focus-visible {
    outline: 2px solid var(--ccs-accent);
    outline-offset: 2px;
}

/* Cart count badge */
.coco-cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--ccs-accent);
    color: var(--ccs-bg);
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.coco-cart-count:empty {
    display: none;
}

/* --- Mobile Menu Toggle --- */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--ccs-accent);
    outline-offset: 2px;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--ccs-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- Mobile Nav Overlay --- */
.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.active {
    visibility: visible;
    opacity: 1;
}

.mobile-nav-overlay.active::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--ccs-overlay);
}

.mobile-nav-panel {
    position: absolute;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: var(--ccs-surface);
    border-right: 1px solid var(--ccs-border);
    padding: 20px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-nav-overlay.active .mobile-nav-panel {
    transform: translateX(0);
}

.mobile-nav-close {
    display: block;
    background: none;
    border: none;
    color: var(--ccs-text);
    font-size: 2rem;
    cursor: pointer;
    margin-bottom: 20px;
    margin-left: auto;
    padding: 0;
    line-height: 1;
}

.mobile-nav-close:focus-visible {
    outline: 2px solid var(--ccs-accent);
    outline-offset: 2px;
}

.mobile-nav-menu {
    list-style: none;
    padding: 0;
}

.mobile-nav-menu li {
    border-bottom: 1px solid var(--ccs-border);
}

.mobile-nav-menu a {
    display: block;
    padding: 14px 0;
    color: var(--ccs-text);
    font-size: 0.95rem;
    font-weight: 600;
}

.mobile-nav-menu a:hover {
    color: var(--ccs-accent);
}

.mobile-nav-menu .sub-menu {
    list-style: none;
    padding: 0 0 0 16px;
}

.mobile-nav-menu .sub-menu a {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--ccs-text-secondary);
    padding: 10px 0;
}

/* --- Logo Image --- */
.site-logo-link {
    display: block;
    line-height: 0;
}

.site-logo-img {
    max-height: 60px;
    width: auto;
    height: auto;
}

/* --- Theme Toggle --- */
.ccs-theme-toggle {
    position: relative;
}

.ccs-theme-toggle .icon-sun {
    display: none;
}

.ccs-theme-toggle .icon-moon {
    display: block;
}

:root[data-theme="light"] .ccs-theme-toggle .icon-sun {
    display: block;
}

:root[data-theme="light"] .ccs-theme-toggle .icon-moon {
    display: none;
}

/* Light theme header overrides */
:root[data-theme="light"] .hamburger-line {
    background: var(--ccs-text);
}

:root[data-theme="light"] .header-icon {
    color: var(--ccs-text);
}

:root[data-theme="light"] .header-icon:hover {
    color: var(--ccs-text-heading);
    background: var(--ccs-surface-hover);
}

:root[data-theme="light"] .nav-menu > li > a {
    color: var(--ccs-text);
}

:root[data-theme="light"] .mobile-nav-close {
    color: var(--ccs-text);
}

:root[data-theme="light"] .mobile-nav-menu a {
    color: var(--ccs-text);
}

:root[data-theme="light"] .mobile-nav-menu li {
    border-color: var(--ccs-border);
}

:root[data-theme="light"] .site-title {
    color: var(--ccs-text-heading);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .primary-nav {
        display: none;
    }

    .header-inner {
        height: 60px;
    }

    .site-branding .custom-logo {
        max-height: 35px;
    }

    .site-title {
        font-size: 1.1rem;
    }

    .site-logo-img {
        max-height: 45px;
    }
}