/* ==========================================================================
   VANILLA THEME — HEADER NAVIGATION BAR
   Ultra-Responsive Frosted Glass Sticky Top Bar
   ========================================================================== */

.vn-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: rgba(255, 251, 253, 0.82);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--vn-border-soft);
    transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.vn-header.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 4px 20px -2px rgba(244, 63, 120, 0.08);
    border-bottom-color: var(--vn-border);
}

.vn-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
}

/* Brand Group */
.vn-header__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    min-width: 0;
}

.vn-header__logo-wrap {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #ffffff;
    border: 1.5px solid var(--vn-pink-200);
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--vn-shadow-sm);
    flex-shrink: 0;
    transition: transform var(--vn-transition-base);
}

.vn-header__brand:hover .vn-header__logo-wrap {
    transform: rotate(8deg) scale(1.06);
    border-color: var(--vn-primary);
}

.vn-header__logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.vn-header__title-box {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.vn-header__name {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--vn-text-headings);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    letter-spacing: -0.2px;
}

.vn-header__tagline {
    font-size: 0.72rem;
    color: var(--vn-primary);
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

/* Desktop Links */
.vn-header__nav-links {
    display: none;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

@media (min-width: 860px) {
    .vn-header__nav-links {
        display: flex;
    }
}

.vn-header__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--vn-text-muted);
    border-radius: var(--vn-radius-pill);
    transition: all var(--vn-transition-fast);
}

.vn-header__link:hover {
    color: var(--vn-primary);
    background: var(--vn-pink-50);
}

.vn-header__link.is-active {
    color: var(--vn-primary);
    background: var(--vn-pink-100);
}

/* Action Group */
.vn-header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* Quick Search Button in Header */
.vn-header__icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--vn-border);
    color: var(--vn-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    transition: all var(--vn-transition-fast);
    box-shadow: var(--vn-shadow-xs);
}

.vn-header__icon-btn:hover {
    background: var(--vn-pink-50);
    border-color: var(--vn-primary);
    color: var(--vn-primary);
    transform: translateY(-1px);
}

/* Header Cart Pill */
.vn-header__cart-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--vn-pink-500) 0%, var(--vn-pink-600) 100%);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: var(--vn-radius-pill);
    font-weight: 600;
    font-size: 0.88rem;
    box-shadow: var(--vn-primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--vn-transition-base);
    min-height: 42px;
}

.vn-header__cart-btn:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -4px rgba(244, 63, 120, 0.45);
}

.vn-header__cart-count {
    background: #ffffff;
    color: var(--vn-primary);
    font-size: 0.75rem;
    font-weight: 800;
    min-width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.12);
}

/* Mobile responsive adjustments */
@media (max-width: 540px) {
    .vn-header__inner {
        height: 62px;
    }
    .vn-header__logo-wrap {
        width: 38px;
        height: 38px;
    }
    .vn-header__name {
        font-size: 1rem;
    }
    .vn-header__tagline {
        display: none;
    }
    .vn-header__cart-btn span.vn-cart-text {
        display: none;
    }
    .vn-header__cart-btn {
        padding: 8px 12px;
    }
}