/* ==========================================================================
   TERCO INTERATIVO
   ========================================================================== */

:root {
    --terco-nav-surface: color-mix(in srgb, var(--bg-raised) 92%, transparent);
    --terco-nav-border: var(--border-strong);
    --terco-nav-accent: var(--secondary);
    --terco-nav-active: var(--orange-action);
    --terco-nav-highlight: color-mix(in srgb, var(--orange-action) 12%, transparent);
}

body.dark-mode {
    --terco-nav-surface: color-mix(in srgb, var(--bg-raised) 96%, transparent);
    --terco-nav-border: color-mix(in srgb, var(--primary-container) 28%, transparent);
    --terco-nav-accent: var(--primary-container);
    --terco-nav-highlight: color-mix(in srgb, var(--orange-action) 20%, transparent);
}

#nav-terco-lateral {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 1050;
    padding: 1.2rem 0.7rem;
    border: 1px solid var(--terco-nav-border);
    border-radius: 999px;
    background: var(--terco-nav-surface);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

#nav-terco-lateral.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

#nav-terco-lateral .terco-lista {
    list-style: none;
    position: relative;
}

#nav-terco-lateral .terco-fio {
    position: absolute;
    top: 18px;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: color-mix(in srgb, var(--terco-nav-accent) 58%, transparent);
    z-index: 0;
}

#nav-terco-lateral .terco-item {
    position: relative;
    z-index: 1;
    margin-bottom: 0.9rem;
    display: flex;
    justify-content: center;
}

#nav-terco-lateral .terco-item:last-child {
    margin-bottom: 0;
}

.terco-link {
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none !important;
    border-radius: 999px;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background-color 0.22s ease, color 0.22s ease;
    border: 2px solid var(--terco-nav-accent);
    color: var(--terco-nav-accent);
    background: var(--bg-raised);
}

#nav-terco-lateral .terco-link.terco-conta-maior {
    width: 18px;
    height: 18px;
}

#nav-terco-lateral .terco-link.terco-misterio {
    width: 28px;
    height: 28px;
    border-width: 2px;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

#nav-terco-lateral .terco-link.terco-conta-menor {
    width: 10px;
    height: 10px;
    border-width: 0;
    background: var(--terco-nav-accent);
}

#nav-terco-lateral .terco-link.terco-cruz {
    width: 28px;
    height: 38px;
    border-radius: 10px;
    background: var(--bg-raised);
    font-size: 1.1rem;
}

#nav-terco-lateral .terco-link.terco-medalha {
    width: 14px;
    height: 24px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--terco-nav-accent) 72%, transparent);
}

#nav-terco-lateral .terco-link.terco-apoio {
    width: 28px;
    height: 28px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--gold-accent) 16%, var(--bg-raised));
    color: var(--gold-accent);
    font-size: 0.95rem;
}

.terco-link__label {
    line-height: 1;
}

#nav-terco-lateral .terco-link.ativa {
    transform: scale(1.18);
    border-color: var(--terco-nav-active);
    color: var(--terco-nav-active);
    box-shadow: 0 0 0 7px color-mix(in srgb, var(--terco-nav-active) 14%, transparent);
}

#nav-terco-lateral .terco-link.terco-conta-menor.ativa,
#nav-terco-lateral .terco-link.terco-medalha.ativa {
    background: var(--terco-nav-active);
}

@media (hover: hover) {
    #nav-terco-lateral .terco-link:hover {
        transform: scale(1.12);
        border-color: var(--terco-nav-active);
        color: var(--terco-nav-active);
    }

    #nav-terco-lateral .terco-link.terco-conta-menor:hover,
    #nav-terco-lateral .terco-link.terco-medalha:hover {
        background: var(--terco-nav-active);
    }
}

.terco-secao-ativa {
    border-left: 4px solid var(--orange-action);
    padding-left: 1rem;
    border-radius: 0 16px 16px 0;
    background: linear-gradient(90deg, var(--terco-nav-highlight) 0%, transparent 100%);
    scroll-margin-top: 120px;
    transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}

@media (max-width: 991px) {
    #nav-terco-lateral {
        right: 10px;
        padding: 0.95rem 0.5rem;
    }

    #nav-terco-lateral .terco-item {
        margin-bottom: 0.72rem;
    }
}

@media (max-width: 768px) {
    #nav-terco-lateral {
        right: 8px;
        padding: 0.7rem 0.35rem;
    }

    #nav-terco-lateral .terco-link.terco-conta-maior {
        width: 14px;
        height: 14px;
    }

    #nav-terco-lateral .terco-link.terco-conta-menor {
        width: 8px;
        height: 8px;
    }

    #nav-terco-lateral .terco-link.terco-misterio {
        width: 24px;
        height: 24px;
        font-size: 0.64rem;
    }

    #nav-terco-lateral .terco-link.terco-apoio {
        width: 24px;
        height: 24px;
        font-size: 0.8rem;
    }

    #nav-terco-lateral .terco-link.terco-cruz {
        width: 22px;
        height: 30px;
        font-size: 0.95rem;
    }

    #nav-terco-lateral .terco-link.terco-medalha {
        width: 12px;
        height: 18px;
    }

    #nav-terco-lateral .terco-item {
        margin-bottom: 0.5rem;
    }
}