/* ====================================
   BUYER NAVBAR — Dark Solid Theme
   BRAND: Kurogane (#2B2B2B) with Kintsugi Gold accents
   ==================================== */


/* --- Base: Solid dark background --- */

.nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: #2B2B2B !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35) !important;
    padding: 0 !important;
    transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease, box-shadow 0.4s ease, padding 0.3s ease;
}


/* --- Scrolled: Same solid dark --- */

.nav-bar.scrolled {
    background: #2B2B2B !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35) !important;
    padding: 0 !important;
}


/* --- No top accent line --- */

.nav-bar::before {
    display: none !important;
}

.nav-bar.scrolled::before {
    display: none !important;
}


/* --- Container: compact --- */

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem var(--buyer-col-pad-x) !important;
    width: 100%;
    max-width: var(--buyer-col-max);
    margin-inline: auto;
    gap: 2rem;
    box-sizing: border-box;
}


/* --- Logo: PNG, hero of the nav --- */

.nav-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.nav-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
}


/* Logo over hero: light PNG (logo-dark.png) */

.logo-for-hero {
    height: 52px !important;
    min-width: 160px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
    object-position: left center;
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0.98;
    display: block !important;
}

.nav-bar.scrolled .logo-for-hero {
    display: block !important;
}


/* Logo when scrolled: dark PNG (logo-light.png) */

.logo-for-scrolled {
    display: none !important;
    height: 48px;
    min-width: 140px;
    max-width: 200px;
    object-fit: contain;
    object-position: left center;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav-bar.scrolled .logo-for-scrolled {
    display: none !important;
}

.logo-image:hover {
    opacity: 1;
    transform: scale(1.03);
}

.nav-bar.scrolled .logo-image:hover {
    opacity: 0.88;
}


/* --- Nav links --- */

.nav-links {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 0 1.25rem;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.875rem !important;
    font-weight: var(--font-display-weight-compact, 700);
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.82) !important;
    text-decoration: none;
    position: relative;
    padding: 0.3rem 0 !important;
    transition: color 0.2s ease !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-bar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.82) !important;
}

.nav-link:hover,
.nav-link.active {
    color: var(--sei, #95AFC0) !important;
}

.nav-bar.scrolled .nav-link:hover,
.nav-bar.scrolled .nav-link.active {
    color: var(--sei, #95AFC0) !important;
}


/* Underline accent */

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--sei, #95AFC0) !important;
    transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}


/* --- Actions --- */

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}


/* Cart button */

.btn-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px !important;
    height: 38px !important;
    border-radius: 0 !important;
    background: transparent !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.88) !important;
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
}

.nav-bar.scrolled .btn-cart {
    background: transparent !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.88) !important;
}

.btn-cart:hover {
    background: transparent !important;
    border: none !important;
    color: var(--sei, #95AFC0) !important;
}

.nav-bar.scrolled .btn-cart:hover {
    background: transparent !important;
    border: none !important;
    color: var(--sei, #95AFC0) !important;
}

.btn-cart i {
    width: 1.25rem;
    height: 1.25rem;
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 1;
    background: var(--kintsugi, #D4AF37) !important;
    color: #2B2B2B !important;
    border: none !important;
    outline: none !important;
    border-radius: 9999px !important;
    box-sizing: border-box;
    box-shadow: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-badge.hidden {
    display: none;
}


/* Tools hamburger */

.btn-tools-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px !important;
    height: 38px !important;
    border-radius: 0 !important;
    background: transparent !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.88) !important;
    cursor: pointer;
    transition: all 0.25s ease;
}

.nav-bar.scrolled .btn-tools-hamburger {
    background: transparent !important;
    border: none !important;
    color: rgba(255, 255, 255, 0.88) !important;
}

.btn-tools-hamburger:hover {
    background: transparent !important;
    border: none !important;
    color: var(--sei, #95AFC0) !important;
}

.nav-bar.scrolled .btn-tools-hamburger:hover {
    background: transparent !important;
    border: none !important;
    color: var(--sei, #95AFC0) !important;
}

.tools-line {
    background: rgba(255, 255, 255, 0.85) !important;
}

.nav-bar.scrolled .tools-line {
    background: rgba(255, 255, 255, 0.85) !important;
}

.btn-tools-hamburger:hover .tools-line {
    background: var(--sei, #95AFC0) !important;
}


/* Sign in button */

.btn-sign-in {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0 !important;
    color: var(--washi);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-sign-in:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.nav-bar.scrolled .btn-sign-in {
    background: var(--aitetsu);
    border-color: var(--aitetsu);
    color: var(--washi);
}

.nav-bar.scrolled .btn-sign-in:hover {
    background: var(--kurogane);
    border-color: var(--kurogane);
}


/* User avatar */

.user-profile-btn-compact .user-avatar {
    background: var(--aitetsu, #40545E) !important;
    border: 2px solid rgba(212, 175, 55, 0.5) !important;
    border-radius: 50% !important;
    overflow: hidden !important;
    color: #fff !important;
    font-size: 11px !important;
}

.user-profile-btn-compact:hover .user-avatar {
    border-color: rgba(212, 175, 55, 0.75) !important;
}

/* Guest avatar — shown when visitor is not logged in */
.user-avatar--guest {
    background: rgba(149, 175, 192, 0.18) !important;
    border-color: rgba(149, 175, 192, 0.35) !important;
    border-radius: 50% !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-guest-icon {
    width: 16px;
    height: 16px;
    color: rgba(248, 250, 252, 0.70);
    stroke-width: 1.8;
}

.user-name,
.user-display-name {
    color: rgba(255, 255, 255, 0.88) !important;
    font-size: 0.78rem !important;
}


/* Icon color */

.nav-icon-search {
    color: var(--sei, #95AFC0) !important;
}


/* --- Mobile menu button --- */

.mobile-menu-btn {
    background: transparent !important;
    border: none !important;
}

.mobile-menu-btn .menu-line {
    background: rgba(255, 255, 255, 0.85) !important;
}

.mobile-menu-btn:hover {
    background: transparent !important;
    color: var(--sei, #95AFC0) !important;
}

.mobile-menu-btn:hover .menu-line {
    background: var(--sei, #95AFC0) !important;
}


/* --- Dropdown trigger chevron --- */

.dropdown-chevron {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}

.nav-dropdown.open .dropdown-chevron {
    transform: rotate(180deg);
}


/* ====================================
   DESKTOP — Single-line nav labels (≥993px; drawer resets in buyer-main.css)
   ==================================== */

@media (min-width: 993px) {
    .nav-container {
        flex-wrap: nowrap;
        gap: clamp(1rem, 2vw, 2rem);
    }

    .nav-actions {
        flex-shrink: 0;
    }

    .nav-links {
        flex-wrap: nowrap;
        gap: clamp(0.75rem, 1.8vw, 2rem);
        flex: 0 1 auto;
        min-width: min-content;
    }

    .nav-link,
    .nav-dropdown .dropdown-trigger {
        white-space: nowrap;
    }
}

@media (min-width: 993px) and (max-width: 1200px) {
    .nav-link,
    .nav-dropdown .dropdown-trigger {
        font-size: clamp(0.7rem, 0.62rem + 0.45vw, 0.875rem) !important;
    }
}


/* ====================================
   NAVBAR MOBILE — Show hamburger at 992px
   (Drawer panel and overlay are in buyer-mobile-menu.css)
   ==================================== */

@media (max-width: 992px) {
    .mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        z-index: 10002;
    }
}