/**
 * Relational Column Config - Settings-style popup
 * Two-phase design: Setup → Configure (sidebar + content)
 */

/* Overlay */
.relational-config-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Modal */
.relational-config-modal {
    background: var(--bg-gradient-primary, var(--bg-primary));
    border: 1px solid var(--border-default);
    border-radius: 12px;
    box-shadow: var(--shadow-large);
    width: 640px;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.relational-config-header {
    width: 100%;
    height: 56px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-inline: 24px;
    border-bottom: 1px solid var(--border-default);
    flex-shrink: 0;
}

.relational-config-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.relational-config-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* GSAP handles hover */
}

/* Body */
.relational-config-body {
    flex: 1;
    padding: 20px 24px;
    overflow-y: auto;
    min-height: 0;
}

/* Hide scrollbar but keep functionality */
.relational-config-body::-webkit-scrollbar {
    display: none;
}
.relational-config-body {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* Footer */
.relational-config-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-default);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
}

/* ============================================
   PHASE 1: Setup
   ============================================ */

.relational-config-setup {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Section header */
.relational-config-section-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 8px;
}

/* Settings card */
.relational-config-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    box-shadow: var(--shadow-small);
    overflow: hidden;
}

/* Row */
.relational-config-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-default);
    min-height: 52px;
    /* GSAP handles hover */
}

.relational-config-row:last-child {
    border-bottom: none;
}

.relational-config-row-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.relational-config-row-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.relational-config-row-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.relational-config-row-sublabel {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.relational-config-row-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Input */
.relational-config-input {
    width: 200px;
    padding: 8px 12px;
    border: 1px solid var(--border-default);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s ease;
}

.relational-config-input:focus {
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.relational-config-input::placeholder {
    color: var(--text-tertiary);
}

/* Dropdown trigger */
.relational-config-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 160px;
    padding: 8px 12px;
    border: 1px solid var(--border-default);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    /* GSAP handles hover */
}

.relational-config-dropdown-trigger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.relational-config-dropdown-value {
    flex: 1;
    text-align: start;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.relational-config-dropdown-value.placeholder {
    color: var(--text-tertiary);
}

.relational-config-dropdown-chevron {
    display: flex;
    align-items: center;
    color: var(--text-tertiary);
}

/* Action button */
.relational-config-action-btn {
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    /* GSAP handles hover */
}

/* Path segment (sentence builder) - Ghost button = just text */
.relational-config-path-chip {
    padding: 0;
    border: none;
    border-radius: 0;
    background: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}

.relational-config-path-chip:hover {
    color: var(--blue-primary);
    text-decoration: underline;
}

.relational-config-path-chip.placeholder {
    color: var(--text-tertiary);
}

.relational-config-path-chip.placeholder:hover {
    color: var(--blue-primary);
}

.relational-config-path-chip:disabled {
    color: var(--text-tertiary);
    cursor: not-allowed;
}

.relational-config-path-chip:disabled:hover {
    color: var(--text-tertiary);
    text-decoration: none;
}

/* ============================================
   PHASE 2: Configure (sidebar + content)
   ============================================ */

.relational-config-configure {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Sidebar + Content layout */
.relational-config-layout {
    display: flex;
    border: 1px solid var(--border-default);
    border-radius: 8px;
    background: var(--bg-elevated);
    overflow: hidden;
    min-height: 280px;
    max-height: 400px;
}

/* Sidebar */
.relational-config-sidebar {
    width: 180px;
    flex-shrink: 0;
    border-inline-end: 1px solid var(--border-default);
    overflow-y: auto;
    padding: 8px;
    background: transparent;
}

/* Hide scrollbar but keep functionality */
.relational-config-sidebar::-webkit-scrollbar {
    display: none;
}
.relational-config-sidebar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.relational-config-sidebar-empty {
    padding: 24px 12px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 13px;
}

.relational-config-sidebar-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    margin-bottom: 2px;
    /* GSAP handles hover */
}

.relational-config-sidebar-item.selected {
    background: var(--interactive-selected);
}

.relational-config-sidebar-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.relational-config-sidebar-badge {
    min-width: 18px;
    height: 18px;
    padding: 0 6px;
    border-radius: 9px;
    background: var(--blue-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Content area */
.relational-config-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: var(--bg-primary);
}

/* Hide scrollbar but keep functionality */
.relational-config-content::-webkit-scrollbar {
    display: none;
}
.relational-config-content {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.relational-config-content-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-tertiary);
    text-align: center;
    padding: 40px;
}

.relational-config-empty-icon {
    margin-bottom: 12px;
    opacity: 0.5;
}

.relational-config-empty-text {
    font-size: 13px;
}

.relational-config-content-title {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.relational-config-content-title strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Destination card */
.relational-config-dest-card {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border-default);
    border: 1px solid var(--border-default);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 12px;
}

.relational-config-dest-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-elevated);
    /* GSAP handles hover */
}

.relational-config-dest-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.relational-config-dest-icon {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
}

.relational-config-dest-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.relational-config-dest-count {
    font-size: 12px;
    color: var(--text-tertiary);
}

.relational-config-dest-remove {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* GSAP handles hover */
}

.relational-config-dest-empty {
    font-size: 13px;
    color: var(--text-tertiary);
    text-align: center;
    padding: 24px 16px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    margin-bottom: 12px;
}

/* Add destination button */
.relational-config-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    border: 1px dashed var(--border-primary);
    border-radius: 6px;
    background: transparent;
    color: var(--blue-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    /* GSAP handles hover */
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 600px) {
    .relational-config-modal {
        width: 95vw;
        max-height: 90vh;
    }

    .relational-config-layout {
        flex-direction: column;
    }

    .relational-config-sidebar {
        width: 100%;
        max-height: 120px;
        border-inline-end: none;
        border-bottom: 1px solid var(--border-default);
    }

    .relational-config-input,
    .relational-config-dropdown-trigger {
        width: 140px;
        min-width: 140px;
    }
}