body {
    margin: 0;
}

.site-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(18px);
    box-sizing: border-box;
}

.announcement-bar {
    background: #111111;
    color: #ffffff;
    text-align: center;
    font-size: 13px;
    letter-spacing: 0.02em;
    padding: 10px 16px;
}

.announcement-bar p {
    margin: 0;
}

.navbar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 20px;
    width: 100%;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-sizing: border-box;
}

.navbar-left,
.navbar-center,
.navbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
}

.navbar-left {
    justify-self: start;
}

.navbar-center {
    justify-content: center;
    gap: 28px;
}

.navbar-right {
    justify-self: end;
}

.brand {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #111111;
    text-decoration: none;
}

.navbar a {
    text-decoration: none;
    color: #1d1d1f;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.22s ease, opacity 0.22s ease;
}

.navbar a:hover {
    color: #0071e3;
}

.navbar-center a {
    position: relative;
}

.navbar-center a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: #0071e3;
    border-radius: 999px;
    transform: translateX(-50%);
    transition: width 0.26s ease;
}

.navbar-center a:hover::after {
    width: 100%;
}

.navbar-center a.active,
.navbar-center a[aria-current="page"] {
    color: #0071e3;
}

.navbar-center a.active::after,
.navbar-center a[aria-current="page"]::after {
    width: 100%;
}

.navbar-center a {
    padding-bottom: 2px;
}

.cart-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    min-width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.cart-link:hover {
    transform: translateY(-1px);
    background: #fafafa;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
}

.cart-link-text {
    display: none;
    align-items: center;
}

.cart-icon {
    display: inline-flex;
    width: 20px;
    height: 20px;
    align-items: center;
    justify-content: center;
}

.cart-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.mobile-menu-trigger {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    color: #111111;
    cursor: pointer;
    position: relative;
    align-items: center;
    justify-content: center;
}

.mobile-menu-trigger span {
    position: absolute;
    width: 18px;
    height: 1.8px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu-trigger span:first-child {
    transform: translateY(-4px);
}

.mobile-menu-trigger span:last-child {
    transform: translateY(4px);
}

.mobile-menu-trigger.is-open span:first-child {
    transform: translateY(0) rotate(45deg);
}

.mobile-menu-trigger.is-open span:last-child {
    transform: translateY(0) rotate(-45deg);
}

.mobile-menu-panel {
    display: none;
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(20px);
}

.mobile-menu-panel:not([hidden]) {
    display: block;
}

.mobile-menu-inner {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 18px;
}

.mobile-menu-link {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    color: #111111 !important;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -0.03em;
    text-decoration: none;
    transition: color 0.22s ease, transform 0.22s ease;
}

.mobile-menu-link:last-child {
    border-bottom: none;
}

.mobile-menu-link:hover {
    color: #0071e3 !important;
    transform: translateX(2px);
}

.mobile-menu-link.active,
.mobile-menu-link[aria-current="page"] {
    color: #0071e3 !important;
}

.mobile-menu-link-danger {
    color: #c62828 !important;
}

.cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: #e63946;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    border: 2px solid #ffffff;
    box-shadow: 0 8px 18px rgba(230, 57, 70, 0.28);
}

.user-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px 8px 8px;
    border-radius: 999px;
    background: #f3f4f6;
    color: #374151;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.user-account-link {
    text-decoration: none;
    color: #374151 !important;
    border: none;
    cursor: pointer;
}

.user-account-link:hover {
    background: #eceef3;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
    transform: translateY(-1px);
    color: #111111 !important;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    object-fit: cover;
    display: inline-flex;
    flex-shrink: 0;
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.user-avatar-fallback {
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #111111 0%, #2c2c2e 100%);
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
}

.user-pill-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
}

.account-dropdown {
    position: relative;
}

.account-dropdown::after {
    content: "";
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    height: 14px;
}

.account-dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 220px;
    padding: 10px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 20px 44px rgba(15, 23, 42, 0.14);
    backdrop-filter: blur(18px);
    display: flex;
    flex-direction: column;
    gap: 6px;
    opacity: 0;
    transform: translateY(8px) scale(0.98);
    transform-origin: top right;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.account-dropdown-menu[hidden] {
    display: none !important;
}

.account-dropdown:hover .account-dropdown-menu,
.account-dropdown:hover .account-dropdown-menu[hidden],
.account-dropdown.is-open .account-dropdown-menu,
.account-dropdown.is-open .account-dropdown-menu[hidden] {
    display: flex !important;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.account-dropdown-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0 14px;
    border-radius: 16px;
    color: #111111 !important;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.account-dropdown-link:hover {
    background: #f5f5f7;
    color: #0071e3 !important;
    transform: translateX(1px);
}

.account-dropdown-logout {
    color: #c62828 !important;
}

.account-dropdown-logout:hover {
    color: #c62828 !important;
    background: #fff2f2;
}

.account-dropdown:hover .user-pill,
.account-dropdown.is-open .user-pill {
    background: #eceef3;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.nav-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
}

.primary-button {
    background: #111111;
    color: #ffffff !important;
}

.primary-button:hover {
    background: #2a2a2a;
    color: #ffffff !important;
}

.ghost-button {
    background: #f5f5f7;
    color: #111111 !important;
}

.ghost-button:hover {
    background: #e8e8ed;
    color: #111111 !important;
}

@media (max-width: 960px) {
    .navbar {
        display: grid;
        grid-template-columns: auto 1fr auto auto;
        align-items: center;
        gap: 12px;
        padding: 14px 20px;
    }

    .navbar-left {
        justify-self: start;
    }

    .navbar-center {
        display: none;
    }

    .navbar-right {
        justify-self: end;
        gap: 8px;
    }

    .brand {
        font-size: 24px;
    }

    .cart-link {
        min-width: 44px;
        width: 44px;
        height: 44px;
        padding: 0;
        border: none;
        box-shadow: none;
        background: transparent;
    }

    .cart-link:hover {
        background: transparent;
        box-shadow: none;
        transform: none;
    }

    .cart-link-text {
        display: none;
    }

    .cart-icon {
        display: inline-flex;
    }

    .mobile-menu-trigger {
        display: inline-flex;
    }

    .account-dropdown {
        display: none;
    }

    .nav-button {
        display: none;
    }
}

@media (max-width: 640px) {
    .announcement-bar {
        font-size: 12px;
        padding: 8px 12px;
    }

    .navbar {
        padding: 12px 16px;
    }

    .brand {
        font-size: 22px;
    }

    .mobile-menu-inner {
        padding: 8px 16px 18px;
    }

    .mobile-menu-link {
        font-size: 24px;
        padding: 14px 0;
    }

    .session-warning-popup {
        right: 16px;
        bottom: 16px;
        width: calc(100vw - 32px);
    }

    .session-warning-actions {
        flex-direction: column;
    }

    .session-warning-btn {
        width: 100%;
    }
}

.user-account-link:hover .user-avatar {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.session-warning-popup {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 2000;
    width: min(420px, calc(100vw - 32px));
    opacity: 0;
    transform: translateY(14px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.session-warning-popup.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.session-warning-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 18px 20px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 20px 48px rgba(15, 23, 42, 0.16);
    backdrop-filter: blur(18px);
}

.session-warning-content strong {
    display: block;
    margin: 0 0 6px;
    font-size: 16px;
    letter-spacing: -0.02em;
    color: #111111;
}

.session-warning-content p {
    margin: 0;
    color: #6e6e73;
    line-height: 1.7;
    font-size: 14px;
}

.session-warning-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.session-warning-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    border: none;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.session-warning-btn:hover {
    transform: translateY(-1px);
}

.session-warning-stay {
    background: #111111;
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

.session-warning-stay:hover {
    background: #2a2a2a;
}

.session-warning-logout {
    background: #f3f4f6;
    color: #111111 !important;
}

.session-warning-logout:hover {
    background: #e5e7eb;
    color: #111111 !important;
}