/* ============================================================
   Family tree — org-chart layout
   ============================================================ */

.fa-tree-page {
    padding-bottom: 3rem;
}

/* ---- Toolbar ---- */
.fa-tree-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 100;  /* ensure dropdown floats above tree canvas */
}

.fa-tree-toolbar__title {
    font-size: 1.25rem;
    font-weight: 500;
}

.fa-tree-toolbar__right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.fa-tree-toolbar__controls {
    position: relative;
}

/* ---- Jump-to search results ---- */
.fa-search-result {
    list-style: none;
    padding: 0.5rem 0.65rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: background var(--transition);
}
.fa-search-result:hover {
    background: var(--surface-1);
}

/* Remove the browser's blue X on the search input */
#fa-tree-search::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
    width: 13px;
    height: 13px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M18 6 6 18M6 6l12 12'/%3E%3C/svg%3E");
    background-size: contain;
    cursor: pointer;
    opacity: 0.7;
}
#fa-tree-search::-webkit-search-cancel-button:hover {
    opacity: 1;
}

/* ---- Zoom controls ---- */
.fa-tree-toolbar__zoom {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--surface-1);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 0.2rem 0.4rem;
}

.fa-tree-zoom-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: background var(--transition), color var(--transition);
    padding: 0;
}
.fa-tree-zoom-btn:hover:not(:disabled) {
    background: var(--surface-2, rgba(0,0,0,0.06));
    color: var(--text-primary);
}
.fa-tree-zoom-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.fa-tree-zoom-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 2.75rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
    user-select: none;
}

/* ---- Loading dots ---- */
.fa-tree-loading {
    display: flex;
    align-items: center;
    padding: 2rem;
    justify-content: center;
}

.fa-tree-loading__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    margin: 0 3px;
    animation: fa-bounce 1s ease-in-out infinite;
}
.fa-tree-loading__dot:nth-child(2) { animation-delay: 0.15s; }
.fa-tree-loading__dot:nth-child(3) { animation-delay: 0.30s; }

@keyframes fa-bounce {
    0%, 80%, 100% { transform: scale(0.7); opacity: 0.4; }
    40%            { transform: scale(1);   opacity: 1; }
}

/* ---- Scrollable canvas ---- */
.fa-tree-scroll {
    overflow-x: auto;
    padding: 1rem 0 2rem;
    min-height: calc(100vh - var(--nav-height) - 10rem);
}

.fa-tree-root {
    display: inline-block;
    min-width: 100%;
}

/* ============================================================
   Core tree structure
   Based on the classic CSS org-chart using borders on li::before/after
   ============================================================ */

ul.fa-tree {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    padding-top: 2rem;    /* space for the vertical connector from parent */
}

/* Vertical line from parent card down to horizontal bar */
ul.fa-tree::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-1px);
    width: 2px;
    height: 2rem;
    background: var(--border-strong);
}

/* Horizontal bar spanning siblings */
ul.fa-tree::after {
    content: '';
    position: absolute;
    top: 2rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-strong);
}

/* Clip the horizontal bar so it only spans from center of first child to center of last */
ul.fa-tree > li:first-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 2px;
    background: var(--surface-0);  /* same as page bg — masks left half of bar for first child */
    z-index: 1;
}

ul.fa-tree > li:last-child::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 2px;
    background: var(--surface-0);  /* masks right half of bar for last child */
    z-index: 1;
}

/* Single child — no horizontal bar needed */
ul.fa-tree > li:only-child::before,
ul.fa-tree > li:only-child::after {
    display: none;
}
ul.fa-tree > li:only-child > ul.fa-tree::before {
    display: block;
}

/* Vertical line from horizontal bar down to each child's card */
ul.fa-tree > li {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 0.75rem;
    position: relative;
}

ul.fa-tree > li > .fa-tree-card {
    margin-top: 1.5rem;
    position: relative;
}

/* Vertical tick from the horizontal bar down to the card */
ul.fa-tree > li > .fa-tree-card::before {
    content: '';
    position: absolute;
    top: -1.5rem;
    left: 50%;
    transform: translateX(-1px);
    width: 2px;
    height: 1.5rem;
    background: var(--border-strong);
}

/* Root level — no top connectors */
ul.fa-tree.fa-tree--root {
    padding-top: 0;
}
ul.fa-tree.fa-tree--root::before,
ul.fa-tree.fa-tree--root::after {
    display: none;
}
ul.fa-tree.fa-tree--root > li > .fa-tree-card::before {
    display: none;
}

/* ---- Person card ---- */
.fa-tree-card {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: var(--surface-card);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.fa-tree-card:hover {
    border-color: var(--color-primary);
}

.fa-tree-card__sep {
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 0 0.5rem;
    user-select: none;
}

/* ---- Person link inside card ---- */
.fa-tree-person {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: color var(--transition);
    padding: 0.1rem 0.2rem;
    border-radius: 4px;
}
.fa-tree-person:hover {
    color: var(--color-primary);
    text-decoration: none;
}
.fa-tree-person:hover.fa-tree-person--deceased .fa-tree-person__name {
    color: var(--text-primary);
}
.fa-tree-person--deceased .fa-tree-person__name {
    color: var(--text-muted);
}
.fa-tree-person--deceased .fa-tree-person__years {
    color: var(--text-muted);
    opacity: 0.7;
}

.fa-tree-person__name {
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.2;
}
.fa-tree-person__years {
    font-size: 0.675rem;
    color: var(--text-muted);
}

/* ---- Orphan card (unconnected root) ---- */
.fa-tree-card--orphan {
    border-style: dashed;
    border-color: var(--border-strong);
}
.fa-tree-card--orphan:hover {
    border-color: var(--color-primary);
    border-style: dashed;
}

/* ---- Add-parent button (inside orphan card) ---- */
.fa-tree-card__add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--border-strong);
    background: var(--surface-1);
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    margin-left: 0.35rem;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    padding: 0;
}
.fa-tree-card__add-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

/* ---- Parent-picker popover ---- */
.fa-tree-parent-picker {
    position: fixed;
    z-index: 200;
    background: var(--surface-2, #fff);
    border: 0.5px solid var(--border-strong);
    border-radius: var(--radius);
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    padding: 0.65rem;
    width: 240px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.fa-tree-picker__title {
    font-size: 0.775rem;
    font-weight: 500;
    color: var(--text-muted);
    line-height: 1.3;
}

.fa-tree-picker__results {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    max-height: 200px;
    overflow-y: auto;
}

.fa-tree-picker__result {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.45rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: background var(--transition);
}
.fa-tree-picker__result:hover {
    background: var(--color-primary-light, #EAF3DE);
    color: var(--color-primary-dark, #27500A);
}

.fa-tree-picker__result-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.fa-tree-picker__result-years {
    font-size: 0.7rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.fa-tree-picker__empty {
    padding: 0.45rem 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ---- Highlight on jump-to ---- */
.fa-tree--highlight > .fa-tree-card {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 109, 17, 0.15);
    animation: fa-tree-pulse 2s ease;
}
@keyframes fa-tree-pulse {
    0%   { box-shadow: 0 0 0 3px rgba(59, 109, 17, 0.35); }
    100% { box-shadow: 0 0 0 3px rgba(59, 109, 17, 0); }
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
    .fa-tree-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }
    .fa-tree-card {
        padding: 0.4rem 0.6rem;
    }
    .fa-tree-person__name { font-size: 0.75rem; }
}