/* Shared contract for the canonical navigation stamped by stamp-nav.py. */
nav .nav-links {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    margin-left: 0;
    flex: 0 1 auto;
    overflow: visible;
}

nav .nav-link,
nav .nav-dropdown > .nav-trigger {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.75rem;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-dim, #a1a1aa);
    border: 0;
    border-radius: 6px;
    background: none;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
}

nav .nav-link:hover,
nav .nav-link.active,
nav .nav-dropdown:hover > .nav-trigger,
nav .nav-dropdown.open > .nav-trigger {
    color: var(--text, #e4e4e7);
    background: rgba(255, 255, 255, 0.05);
}

nav .nav-link.pulse-link {
    color: var(--green, #22c55e);
}

nav .nav-dropdown {
    position: relative;
}

nav .nav-trigger svg {
    width: 12px;
    height: 12px;
    margin-left: 2px;
    vertical-align: middle;
    opacity: 0.5;
    transition: transform 0.2s, opacity 0.2s;
}

nav .nav-dropdown:hover > .nav-trigger svg,
nav .nav-dropdown.open > .nav-trigger svg {
    transform: rotate(180deg);
    opacity: 0.8;
}

nav .nav-panel {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    min-width: 180px;
    padding: 0.5rem;
    z-index: 200;
    border: 1px solid var(--border, #27272a);
    border-radius: 12px;
    background: var(--bg-card, #111113);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transform: translateX(-50%) translateY(4px);
}

nav .nav-panel::before {
    content: '';
    position: absolute;
    top: -12px;
    right: 0;
    left: 0;
    height: 12px;
}

nav .nav-dropdown:hover > .nav-panel,
nav .nav-dropdown.open > .nav-panel {
    display: block;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

nav .nav-panel.mega {
    display: none;
    min-width: 360px;
    grid-template-columns: 1fr 1fr;
    gap: 0.25rem;
}

nav .nav-dropdown:hover > .nav-panel.mega,
nav .nav-dropdown.open > .nav-panel.mega {
    display: grid;
}

nav .nav-panel a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    color: var(--text-dim, #a1a1aa);
    font-size: 0.82rem;
    font-weight: 500;
    white-space: nowrap;
}

nav .nav-panel a:hover,
nav .nav-panel a.active {
    color: var(--text, #e4e4e7);
    background: var(--accent-dim, rgba(139, 92, 246, 0.15));
}

nav .nav-panel a.active {
    color: var(--accent, #8b5cf6);
}

nav .nav-panel .nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    border: 1px solid var(--border-subtle, #1e1e21);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
}

nav .nav-panel .nav-icon svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

nav .nav-badge {
    margin-left: auto;
    padding: 0.1rem 0.35rem;
    flex-shrink: 0;
    border-radius: 100px;
    background: var(--green, #22c55e);
    color: #fff;
    font-size: 0.5rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

nav .nav-hamburger {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border: 1px solid var(--border, #27272a);
    border-radius: 6px;
    background: transparent;
    color: var(--text-dim, #a1a1aa);
    font: inherit;
    font-size: 1.1rem;
    cursor: pointer;
}

nav .nav-hamburger:hover,
nav .nav-hamburger:focus-visible {
    color: var(--text, #e4e4e7);
    border-color: var(--accent, #8b5cf6);
}

[data-theme="light"] nav .nav-panel {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

@media (max-width: 900px) {
    nav .nav-inner {
        position: relative;
        gap: 0.75rem;
    }

    nav .nav-hamburger {
        display: flex;
    }

    nav .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        right: 0;
        left: 0;
        width: 100%;
        max-height: calc(100vh - 56px);
        padding: 0.75rem 1rem;
        overflow-y: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        border-bottom: 1px solid var(--border, #27272a);
        background: var(--bg-card, #111113);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    }

    nav .nav-links.mobile-open {
        display: flex;
    }

    nav .nav-link,
    nav .nav-dropdown,
    nav .nav-dropdown > .nav-trigger {
        width: 100%;
    }

    nav .nav-dropdown > .nav-trigger {
        justify-content: space-between;
        text-align: left;
    }

    nav .nav-dropdown:hover > .nav-panel,
    nav .nav-dropdown:hover > .nav-panel.mega {
        display: none;
        opacity: 0;
    }

    nav .nav-dropdown.open > .nav-panel,
    nav .nav-dropdown.open > .nav-panel.mega {
        display: grid;
        opacity: 1;
        transform: none;
    }

    nav .nav-panel,
    nav .nav-panel.mega {
        position: static;
        min-width: 0;
        padding: 0 0 0 0.75rem;
        grid-template-columns: 1fr;
        border: 0;
        background: transparent;
        box-shadow: none;
        transform: none;
    }

    nav .nav-platform {
        display: none;
    }
}