/* ==========================================================================
   nbit.center — Core searchable select
   Progressive enhancement of a native <select data-core-select>.
   The native select stays in the DOM (hidden) and remains the form value.
   ========================================================================== */

.core-select {
    position: relative;
    width: 100%;
}

.core-select__native {
    /* keep it submittable but out of the way once enhanced */
    display: none;
}

.core-select__trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    border-radius: 12px;
    background: rgba(7, 8, 15, 0.6);
    border: 1px solid var(--nb-border-strong, rgba(255, 255, 255, 0.16));
    color: var(--nb-text, #e9ebf5);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.core-select__trigger:focus-visible {
    outline: none;
    border-color: var(--nb-cyan, #22d3ee);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

.core-select__value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.core-select__caret {
    width: 0;
    height: 0;
    flex-shrink: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--nb-text-muted, #9aa1bd);
    transition: transform 0.2s ease;
}

.core-select__trigger[aria-expanded="true"] .core-select__caret {
    transform: rotate(180deg);
}

.core-select__panel {
    position: absolute;
    z-index: 50;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    max-height: 320px;
    background: var(--nb-surface, #121524);
    border: 1px solid var(--nb-border-strong, rgba(255, 255, 255, 0.16));
    border-radius: 12px;
    box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
    overflow: hidden;
}

.core-select__panel.is-open {
    display: flex;
}

.core-select__search {
    padding: 0.6rem;
    border-bottom: 1px solid var(--nb-border, rgba(255, 255, 255, 0.08));
}

.core-select__search-input {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border-radius: 9px;
    background: rgba(7, 8, 15, 0.6);
    border: 1px solid var(--nb-border-strong, rgba(255, 255, 255, 0.16));
    color: var(--nb-text, #e9ebf5);
    font: inherit;
}

.core-select__search-input::placeholder {
    color: var(--nb-text-dim, #6b7194);
}

.core-select__search-input:focus {
    outline: none;
    border-color: var(--nb-cyan, #22d3ee);
}

.core-select__options {
    list-style: none;
    margin: 0;
    padding: 0.35rem;
    overflow-y: auto;
}

.core-select__option {
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    color: var(--nb-text-muted, #9aa1bd);
    cursor: pointer;
    font-size: 0.95rem;
    transition: background 0.15s ease, color 0.15s ease;
}

.core-select__option:hover,
.core-select__option.is-active {
    background: rgba(34, 211, 238, 0.10);
    color: var(--nb-text, #e9ebf5);
}

.core-select__option[aria-selected="true"] {
    color: var(--nb-cyan, #22d3ee);
    font-weight: 600;
}

.core-select__empty {
    padding: 0.9rem;
    text-align: center;
    color: var(--nb-text-dim, #6b7194);
    font-size: 0.9rem;
}