/**
 * OlaLingo Campus - Phone Prefix Selector Styles
 * Searchable dropdown for international phone codes
 */

.phone-prefix-wrapper {
    position: relative;
    display: flex;
    align-items: stretch;
}

.phone-prefix-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 12px;
    background: var(--bg-secondary, #f5f5f5);
    border: 2px solid var(--border-color, #e0e0e0);
    border-right: none;
    border-radius: 12px 0 0 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
    font-family: inherit;
}

.phone-prefix-btn:hover {
    background: var(--bg-tertiary, #ebebeb);
}

.phone-prefix-btn.active {
    border-color: var(--primary-color, #019789);
    background: var(--primary-light, #e8f5f3);
}

.prefix-flag {
    font-size: 1.25rem;
}

.prefix-code {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary, #333);
}

.prefix-arrow {
    font-size: 0.65rem;
    color: var(--text-muted, #888);
    margin-left: auto;
    transition: transform 0.2s ease;
}

.phone-prefix-btn.active .prefix-arrow {
    transform: rotate(180deg);
}

.phone-input-with-prefix {
    border-radius: 0 12px 12px 0 !important;
    border-left: none !important;
}

.phone-prefix-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    width: 320px;
    max-width: calc(100vw - 40px);
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    overflow: hidden;
}

.phone-prefix-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.prefix-search-wrapper {
    padding: 12px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    position: sticky;
    top: 0;
    background: white;
    z-index: 1;
}

.prefix-search {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border-color, #e0e0e0);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease;
}

.prefix-search:focus {
    border-color: var(--primary-color, #019789);
}

.prefix-search::placeholder {
    color: var(--text-muted, #888);
}

.prefix-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 8px;
}

.prefix-group-label {
    padding: 8px 12px 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted, #888);
}

.prefix-group-label.hidden {
    display: none;
}

.prefix-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.prefix-option:hover {
    background: var(--bg-secondary, #f5f5f5);
}

.prefix-option.hidden {
    display: none;
}

.option-flag {
    font-size: 1.25rem;
    width: 28px;
    text-align: center;
}

.option-country {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.option-code {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted, #666);
    font-family: 'SF Mono', Monaco, monospace;
}

/* Scrollbar styling */
.prefix-list::-webkit-scrollbar {
    width: 6px;
}

.prefix-list::-webkit-scrollbar-track {
    background: transparent;
}

.prefix-list::-webkit-scrollbar-thumb {
    background: var(--border-color, #e0e0e0);
    border-radius: 3px;
}

.prefix-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted, #888);
}

/* Mobile adjustments */
@media (max-width: 480px) {
    .phone-prefix-btn {
        min-width: 85px;
        padding: 10px 8px;
    }
    
    .prefix-code {
        font-size: 0.85rem;
    }
    
    .phone-prefix-dropdown {
        width: 100%;
        left: 0;
        right: 0;
    }
}