.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-card);
}

.topbar__left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.topbar__logo img {
    display: block;
    height: 40px;
    width: 45px;
    object-fit: contain;
}

.topbar__search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--color-paper);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    width: 260px;
}

.topbar__search input {
    flex: 1;
    min-width: 0;
    border: none;
    background: none;
    outline: none;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-ink);
}

.topbar__mid {
    flex: 1;
}

.topbar__right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.topbar__icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: var(--color-paper);
    color: var(--color-ink-soft);
    cursor: pointer;
}

.topbar__menu {
    position: relative;
}

.topbar__profile {
    position: relative;
}

.topbar__avatar-trigger {
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    display: block;
}

.topbar__avatar {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-placeholder);
    background-size: cover;
    background-position: center;
}

.perfil-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    width: 260px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: 0 8px 24px rgba(23, 23, 23, 0.16);
    padding: 8px;
    z-index: 20;
}

.perfil-menu__item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-input);
    border: none;
    background: none;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-ink);
    text-decoration: none;
    cursor: pointer;
    text-align: left;
}

.perfil-menu__item:hover {
    background: var(--color-paper);
}

.perfil-menu__item--button {
    width: 100%;
}

.perfil-menu__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-placeholder);
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}

/* Los grupos llevan avatar cuadrado redondeado para distinguirlos de los perfiles. */
.perfil-menu__avatar--grupo {
    border-radius: 8px;
}

.perfil-menu__titulo {
    display: block;
    padding: 6px 10px 2px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-ink-soft);
}

.perfil-menu__divider {
    height: 1px;
    background: var(--color-border);
    margin: 6px 4px;
}

.perfil-menu__form {
    margin: 0;
}

.icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    flex-shrink: 0;
}

.icon--muted {
    color: var(--color-ink-soft);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 12px);
    z-index: 1200;
    padding: 12px 20px;
    background: var(--color-ink);
    color: var(--color-card);
    border-radius: var(--radius-pill);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast--visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

@media (max-width: 640px) {
    .topbar {
        gap: 8px;
        padding: 8px 10px;
    }

    .topbar__search {
        width: 225px;
    }

    .topbar__right {
        gap: 4px;
    }

    .topbar__icon-btn,
    .topbar__avatar {
        width: 36px;
        height: 36px;
    }
}