:root {
    --legacy-nav-bg: linear-gradient(135deg, #d16060, #b74a4a);
    --legacy-nav-bg-dark: linear-gradient(135deg, #5d1a1a, #421010);
    --legacy-nav-shadow: 0 16px 32px rgba(209, 96, 96, 0.35);
    --legacy-nav-text: #ffffff;
    --legacy-nav-pill: rgba(255, 255, 255, 0.16);
    --legacy-nav-pill-hover: rgba(255, 255, 255, 0.28);
    --legacy-nav-pill-border: rgba(255, 255, 255, 0.45);
    --legacy-nav-pill-text: #ffffff;
    --legacy-nav-pill-filled-bg: rgba(255, 255, 255, 0.9);
    --legacy-nav-pill-filled-text: #b63e3e;
    --legacy-status-chip: rgba(255, 255, 255, 0.18);
    --legacy-status-chip-text: #ffffff;
    --legacy-status-chip-border: rgba(255, 255, 255, 0.35);
    --legacy-nav-scrollbar: rgba(255, 255, 255, 0.4);
    --legacy-nav-alert: #f5b9b9;
    --legacy-nav-alert-text: #4d1616;
}

body.dark-mode,
top_nav.dark-mode {
    --legacy-nav-bg: var(--legacy-nav-bg-dark);
    --legacy-nav-shadow: 0 18px 32px rgba(0, 0, 0, 0.5);
    --legacy-nav-pill: rgba(255, 255, 255, 0.18);
    --legacy-nav-pill-hover: rgba(255, 255, 255, 0.28);
    --legacy-nav-pill-border: rgba(255, 255, 255, 0.35);
    --legacy-nav-pill-text: #ffffff;
    --legacy-nav-pill-filled-bg: rgba(255, 255, 255, 0.92);
    --legacy-nav-pill-filled-text: #631b1b;
    --legacy-status-chip: rgba(255, 255, 255, 0.24);
    --legacy-status-chip-text: #ffffff;
    --legacy-status-chip-border: rgba(255, 255, 255, 0.42);
    --legacy-nav-scrollbar: rgba(255, 255, 255, 0.3);
}

top_nav {
    display: block;
    margin: 0;
    padding: 0;
}

.legacy-nav {
    background: var(--legacy-nav-bg);
    border-radius: 0 0 22px 22px;
    box-shadow: var(--legacy-nav-shadow);
    color: var(--legacy-nav-text);
    font-size: 15px;
    line-height: 1.2;
}

.legacy-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px clamp(14px, 3vw, 28px);
    flex-wrap: wrap;
}

.legacy-nav__left {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.legacy-nav__brand-stack {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.legacy-env-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 12px;
    border-radius: 999px;
    border: 1px solid var(--legacy-nav-pill-border);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
}

.legacy-brand {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    font-size: clamp(1.3rem, 1.8vw, 1.6rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-decoration: none;
    color: inherit;
    white-space: nowrap;
}

.legacy-brand__mark {
    font-size: 0.7em;
    letter-spacing: 0.08em;
}

.legacy-nav__links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    overflow: visible;
    padding-bottom: 0;
    min-width: 0;
}

.legacy-nav__primary {
    flex: 1 1 320px;
    min-width: 220px;
}

.legacy-nav__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--legacy-nav-pill-border);
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--legacy-nav-pill-text);
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
    font-size: 1em;
    background-color: var(--legacy-nav-pill);
}

.legacy-nav__link:hover,
.legacy-nav__link:focus-visible {
    background-color: var(--legacy-nav-pill-hover);
    transform: translateY(-1px);
}

.legacy-nav__link--ghost {
    background-color: var(--legacy-nav-pill);
}

.legacy-nav__link--filled {
    background-color: var(--legacy-nav-pill-filled-bg);
    color: var(--legacy-nav-pill-filled-text);
}

.legacy-nav__link--filled:hover,
.legacy-nav__link--filled:focus-visible {
    background-color: #ffffff;
    transform: translateY(-1px);
}

.legacy-nav__link--button {
    cursor: pointer;
    background-color: var(--legacy-nav-pill);
}

.legacy-nav__dropdown {
    position: relative;
    flex: 0 0 auto;
}

.legacy-nav__icon {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid currentColor;
    transition: transform 0.2s ease;
}

.legacy-nav__menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    display: none;
    flex-direction: column;
    min-width: 220px;
    padding: 12px;
    gap: 6px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 16px 28px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.legacy-nav__menu--compact {
    min-width: 180px;
    padding: 10px;
}

.legacy-nav__menu-link {
    display: block;
    padding: 10px 14px;
    border-radius: 12px;
    color: #ffffff;
    font-weight: 500;
    font-size: 0.95em;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.legacy-nav__menu-link:hover,
.legacy-nav__menu-link:focus-visible {
    background-color: var(--legacy-nav-pill-hover);
    transform: translateY(-1px);
}

.legacy-nav__menu-link--button {
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    font: inherit;
    color: inherit;
    cursor: pointer;
    padding: 10px 14px;
}

.legacy-nav__dropdown:hover .legacy-nav__menu,
.legacy-nav__dropdown:focus-within .legacy-nav__menu,
.legacy-nav__dropdown.is-open .legacy-nav__menu {
    display: flex;
}

.legacy-nav__dropdown:hover .legacy-nav__icon,
.legacy-nav__dropdown:focus-within .legacy-nav__icon,
.legacy-nav__dropdown.is-open .legacy-nav__icon {
    transform: rotate(180deg);
}

.legacy-nav__right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.legacy-nav__context {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.legacy-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid var(--legacy-status-chip-border);
    background-color: var(--legacy-status-chip);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--legacy-status-chip-text);
}

.legacy-user-chip__role {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    opacity: 0.8;
}

.legacy-nav__status-chips {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid var(--legacy-status-chip-border);
    background-color: var(--legacy-status-chip);
    color: var(--legacy-status-chip-text);
}

.status-chip--ok {
    border-color: rgba(33, 200, 122, 0.8);
}

.status-chip--alert {
    border-color: rgba(231, 76, 60, 0.8);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #bbbbbb;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.3);
}

.status-dot.status-online {
    background-color: #2ecc71;
    box-shadow: 0 0 8px rgba(46, 204, 113, 0.6);
}

.status-dot.status-offline {
    background-color: #e74c3c;
    box-shadow: 0 0 8px rgba(231, 76, 60, 0.6);
}

.legacy-nav__actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.legacy-nav__mobile-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid var(--legacy-nav-pill-border);
    background-color: transparent;
    color: var(--legacy-nav-pill-text);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
}

.legacy-nav__mobile-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.legacy-nav__mobile-icon {
    position: relative;
    width: 18px;
    height: 12px;
}

.legacy-nav__mobile-icon::before,
.legacy-nav__mobile-icon::after,
.legacy-nav__mobile-icon span {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.legacy-nav__mobile-icon span {
    top: 50%;
    transform: translateY(-50%);
}

.legacy-nav__mobile-icon::before {
    top: 0;
}

.legacy-nav__mobile-icon::after {
    bottom: 0;
}

.legacy-nav--expanded .legacy-nav__mobile-icon::before {
    transform: translateY(5px) rotate(45deg);
}

.legacy-nav--expanded .legacy-nav__mobile-icon::after {
    transform: translateY(-5px) rotate(-45deg);
}

.legacy-nav--expanded .legacy-nav__mobile-icon span {
    opacity: 0;
}

.legacy-nav__language-select {
    display: inline-flex;
    align-items: center;
}

.legacy-nav__language-select-control {
    appearance: none;
    background-color: transparent;
    border: 1px solid var(--legacy-nav-pill-border);
    border-radius: 999px;
    color: var(--legacy-nav-pill-text);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 28px 4px 12px;
    background-image: linear-gradient(45deg, transparent 50%, var(--legacy-nav-pill-text) 50%), linear-gradient(135deg, var(--legacy-nav-pill-text) 50%, transparent 50%);
    background-position: calc(100% - 16px) 45%, calc(100% - 11px) 45%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
}

.legacy-nav__language-select-control:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.35);
}

.nav-form {
    margin: 0;
}

.nav-form button {
    border: none;
    font: inherit;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
}

@media (max-width: 1024px) {
    .legacy-nav__inner {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .legacy-nav__left,
    .legacy-nav__right {
        width: 100%;
    }

    .legacy-nav__links {
        width: 100%;
    }

    .legacy-nav__right {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 10px;
    }

    .legacy-nav__context {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
    }

    .legacy-nav__actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 900px) {
    .legacy-nav__left {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .legacy-nav__mobile-toggle {
        display: inline-flex;
    }

    .legacy-nav__primary {
        width: 100%;
    }
}

@media (max-width: 720px) {
    top_nav {
        margin-bottom: 24px;
    }

    .legacy-nav__inner {
        padding: 16px clamp(12px, 4vw, 22px);
    }

    .legacy-nav__left {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .legacy-nav__links {
        width: 100%;
        padding-bottom: 6px;
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--legacy-nav-scrollbar) transparent;
    }

    .legacy-nav__links::-webkit-scrollbar {
        height: 6px;
    }

    .legacy-nav__links::-webkit-scrollbar-track {
        background: transparent;
    }

    .legacy-nav__links::-webkit-scrollbar-thumb {
        background-color: var(--legacy-nav-scrollbar);
        border-radius: 999px;
    }

    .legacy-nav__right {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .legacy-nav__actions {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .legacy-nav__link {
        padding: 8px 14px;
        font-size: 0.95rem;
    }
}