/* ============================================================
   VARBAR — variable selector strip
   ============================================================ */

.varbar {
    flex-shrink: 0;
    display: flex;
    flex-direction: row;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    overflow-y: hidden;
    justify-content: center;
}

.varbar__item {
    flex-shrink: 0;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid transparent;
    border-radius: 6px;
    background: transparent;
    color: var(--color-text);
    cursor: pointer;
    font-size: 1.4rem;
    line-height: 1.2;
    text-align: center;
    white-space: normal;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.varbar__item:hover,
.varbar__item:focus-visible {
    background: var(--color-bg);
    border-color: var(--color-border);
    outline: none;
}

.varbar__item--active,
.varbar__item--active:hover,
.varbar__item--active:focus-visible {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}

/* ============================================================
   VARBAR — mobile dropdown
   ============================================================ */

.varbar-dropdown {
    position: relative;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
}

/* Trigger — the "Select the forecast" box */
.varbar-dropdown__trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-primary);
    border-radius: 8px;
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.varbar-dropdown__caret {
    transition: transform 0.15s;
    flex-shrink: 0;
}

.varbar-dropdown.is-open .varbar-dropdown__caret {
    transform: rotate(180deg);
}

/* Panel — hidden by default, shown when open.
   IMPORTANT: this overrides the desktop .varbar flex-row layout. */
.varbar-dropdown__panel {
    display: none;
    position: absolute;
    left: var(--space-md);
    right: var(--space-md);
    top: calc(100% - var(--space-xs));
    z-index: 1000;
    flex-direction: column;
    gap: 0;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    overflow: hidden;
    max-height: 60vh;
    overflow-y: auto;
}

.varbar-dropdown.is-open .varbar-dropdown__panel {
    display: flex;
}

/* Items as full-width rows with dividers */
.varbar-dropdown__panel .varbar__item {
    width: 100%;
    text-align: left;
    border: none;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    padding: var(--space-md);
}

.varbar-dropdown__panel .varbar__item:last-child {
    border-bottom: none;
}

.varbar-dropdown__panel .varbar__item--active {
    background: var(--color-primary);
    color: var(--color-on-primary);
}