/* Family Tree -- theme.css (all visual properties for relationship rendering) */
:root {
    --color-bg: #fafaf9;
    --color-surface: #ffffff;
    --color-text: #1c1917;
    --color-text-muted: #78716c;
    --color-border: #e7e5e4;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-success: #16a34a;
    --color-warning: #f59e0b;
    --color-edge: #334155;
    --color-edge-muted: #94a3b8;
    --color-spouse: #7c3aed;
    --color-spouse-muted: #a78bfa;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* Edge styles (theme-driven, semantic class names) */
.edge-bio       { stroke: var(--color-edge); stroke-dasharray: none; stroke-width: 2; }
.edge-adopted   { stroke: var(--color-edge); stroke-dasharray: 6 3; stroke-width: 2; }
.edge-step      { stroke: var(--color-edge-muted); stroke-dasharray: 3 3; stroke-width: 2; }
.edge-foster    { stroke: var(--color-edge-muted); stroke-dasharray: 3 3; stroke-width: 2; }
.edge-guardian  { stroke: var(--color-edge-muted); stroke-dasharray: 6 2 2 2; stroke-width: 2; }
.edge-married   { stroke: var(--color-spouse); stroke-dasharray: none; stroke-width: 2; }
.edge-divorced  { stroke: var(--color-spouse-muted); stroke-dasharray: 6 3; stroke-width: 2; }
.edge-engaged   { stroke: var(--color-spouse); stroke-dasharray: 4 4; stroke-width: 2; }
.edge-partner   { stroke: var(--color-spouse); stroke-dasharray: 4 4; stroke-width: 2; }
.edge-separated { stroke: var(--color-spouse-muted); stroke-dasharray: 2 4; stroke-width: 2; }
.edge-default   { stroke: var(--color-edge-muted); stroke-dasharray: none; stroke-width: 1; }

/* Node styles */
.node-alive    { border-color: var(--color-primary); }
.node-deceased { border-color: var(--color-text-muted); opacity: 0.8; }
.node-self     { border-color: var(--color-success); box-shadow: 0 0 0 2px var(--color-success); }

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.nav-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
    text-decoration: none;
}
.nav-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-left: auto;
}
.nav-links a { color: var(--color-text-muted); text-decoration: none; font-size: 0.9rem; }
.nav-links a:hover { color: var(--color-text); }
.nav-logout { display: inline; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background 0.15s;
}
.btn:hover { background: var(--color-bg); }
.btn-primary { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-danger { background: var(--color-danger); color: white; border-color: var(--color-danger); }
.btn-outline { background: transparent; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.8rem; }
.btn-full { width: 100%; }
.btn-link {
    background: none; border: none; color: var(--color-text-muted);
    cursor: pointer; font-size: 0.9rem; padding: 0;
}
.btn-link:hover { color: var(--color-text); }

/* Forms */
.form-container { max-width: 640px; margin: 2rem auto; padding: 0 1rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.25rem; }
.form-group-full { grid-column: 1 / -1; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--color-text-muted); }
.form-group input, .form-group select, .form-group textarea {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.15);
}
.form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }

/* Login */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}
.login-card {
    background: var(--color-surface);
    padding: 2.5rem;
    border-radius: calc(var(--radius) * 2);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.login-card h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.login-subtitle { color: var(--color-text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }
.input-key {
    text-align: center;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.login-card .form-group { margin-bottom: 1rem; text-align: left; }

/* Alerts */
.alert { padding: 0.75rem 1rem; border-radius: var(--radius); margin: 1rem 0; font-size: 0.9rem; }
.alert-error { background: #fef2f2; color: var(--color-danger); border: 1px solid #fecaca; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.alert-success { background: #ecfdf5; color: #047857; border: 1px solid #a7f3d0; }

/* Tree canvas */
.tree-container { height: calc(100vh - 57px); display: flex; flex-direction: column; }
.tree-container-with-panel {
    flex-direction: row;
    align-items: stretch;
    overflow: hidden;
}
.tree-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}
.tree-person-sidebar {
    width: min(320px, 38vw);
    flex-shrink: 0;
    border-left: 1px solid var(--color-border);
    background: var(--color-surface);
    overflow: auto;
}
.tree-person-panel {
    padding: 1rem;
    font-size: 0.9rem;
}
.person-panel-placeholder { font-size: 0.85rem; line-height: 1.4; }
.person-panel-inner .person-panel-title { font-size: 1.05rem; margin-bottom: 0.35rem; }
.person-panel-dates { font-size: 0.8rem; margin-bottom: 0.75rem; }
.rel-list-compact { list-style: none; margin: 0.5rem 0 0; padding: 0; }
.rel-list-compact li { margin-bottom: 0.35rem; display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: baseline; }
.rel-list-compact .rel-label { font-size: 0.75rem; color: var(--color-text-muted); }
.person-panel-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.add-rel-details { margin-top: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 0.75rem; }
.add-rel-summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; }
.add-rel-form { margin-top: 0.75rem; }
.add-rel-form .form-group { margin-bottom: 0.65rem; }
.form-hint { font-size: 0.8rem; margin: 0.5rem 0; }

.tree-toolbar { padding: 0.75rem 1rem; display: flex; gap: 0.5rem; border-bottom: 1px solid var(--color-border); }
.tree-canvas {
    flex: 1;
    overflow: hidden;
    position: relative;
    background:
        radial-gradient(circle, var(--color-border) 1px, transparent 1px);
    background-size: 24px 24px;
    touch-action: none;
    cursor: grab;
}
.tree-canvas:active { cursor: grabbing; }
.tree-viewport {
    position: absolute;
    left: 0;
    top: 0;
    transform-origin: 0 0;
    will-change: transform;
}
.tree-edges {
    position: absolute;
    left: 0;
    top: 0;
    overflow: visible;
    pointer-events: none;
}
.tree-edge-line {
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
}
.tree-edge-line.edge-bio,
.tree-edge-line.edge-adopted,
.tree-edge-line.edge-step,
.tree-edge-line.edge-foster,
.tree-edge-line.edge-guardian,
.tree-edge-line.edge-default {
    stroke: var(--color-edge);
}
.tree-edge-line.edge-adopted,
.tree-edge-line.edge-step,
.tree-edge-line.edge-foster { stroke-dasharray: 6 3; }
.tree-edge-line.edge-married,
.tree-edge-line.edge-engaged,
.tree-edge-line.edge-partner {
    stroke: var(--color-spouse);
}
.tree-edge-line.edge-divorced,
.tree-edge-line.edge-separated {
    stroke: var(--color-spouse-muted);
    stroke-dasharray: 6 3;
}
/* Minimap */
.tree-minimap {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 200px;
    height: 140px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    box-shadow: var(--shadow);
    cursor: crosshair;
    z-index: 10;
    opacity: 0.92;
}

.tree-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
    padding: 0.5rem 0.75rem;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-decoration: none;
    color: var(--color-text);
    min-width: 120px;
    text-align: center;
    user-select: none;
    transition: box-shadow 0.15s;
}
.tree-node:hover { box-shadow: var(--shadow-lg); }
.tree-node-highlight {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3), var(--shadow-lg);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.tree-node-name { font-weight: 600; font-size: 0.85rem; white-space: nowrap; }
.tree-node-dates { font-size: 0.75rem; color: var(--color-text-muted); }

/* Person detail */
.person-container { max-width: 800px; margin: 2rem auto; padding: 0 1rem; }
.person-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.person-header h1 { flex: 1; font-size: 1.5rem; }
.maiden-name { font-weight: 400; color: var(--color-text-muted); }
.person-grid { display: grid; gap: 1.5rem; }
.person-grid section {
    background: var(--color-surface);
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}
.person-grid h2 { font-size: 1rem; margin-bottom: 0.75rem; color: var(--color-text-muted); }
.person-grid dl { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 1rem; }
.person-grid dt { font-size: 0.85rem; color: var(--color-text-muted); font-weight: 500; }
.person-grid dd { font-size: 0.9rem; }
.person-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }

/* Relationships list */
.rel-list { list-style: none; }
.rel-item { padding: 0.5rem 0; border-bottom: 1px solid var(--color-border); display: flex; gap: 0.5rem; align-items: center; }
.rel-item:last-child { border-bottom: none; }
.rel-item a { font-weight: 500; color: var(--color-primary); text-decoration: none; }
.rel-label { font-size: 0.8rem; color: var(--color-text-muted); padding: 0.1rem 0.4rem; background: var(--color-bg); border-radius: 4px; }
.rel-date { font-size: 0.8rem; color: var(--color-text-muted); }

/* Events */
.event-list { list-style: none; }
.event-item { padding: 0.5rem 0; border-bottom: 1px solid var(--color-border); display: flex; gap: 0.5rem; flex-wrap: wrap; }
.event-type { font-weight: 500; font-size: 0.85rem; }
.event-title { font-size: 0.85rem; }
.event-date { font-size: 0.8rem; color: var(--color-text-muted); }
.event-place { font-size: 0.8rem; color: var(--color-text-muted); }

/* Keys page */
.keys-container { max-width: 900px; margin: 2rem auto; padding: 0 1rem; }
.key-display { background: var(--color-bg); padding: 1.5rem; border-radius: var(--radius); text-align: center; margin: 1rem 0; }
.key-token {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    padding: 0.75rem;
    margin: 0.75rem 0;
    color: var(--color-primary);
}

/* Audit */
.audit-container { max-width: 1000px; margin: 2rem auto; padding: 0 1rem; }

/* Table */
.table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.table th { text-align: left; padding: 0.5rem; border-bottom: 2px solid var(--color-border); color: var(--color-text-muted); font-weight: 600; }
.table td { padding: 0.5rem; border-bottom: 1px solid var(--color-border); }
.row-invalidated { opacity: 0.5; }

/* Badges */
.badge { font-size: 0.75rem; padding: 0.15rem 0.5rem; border-radius: 99px; font-weight: 500; }
.badge-success { background: #dcfce7; color: var(--color-success); }
.badge-danger { background: #fef2f2; color: var(--color-danger); }

/* Empty state */
.empty-state { text-align: center; padding: 4rem 1rem; color: var(--color-text-muted); }
.empty-state .btn { margin-top: 1rem; }

/* Utility */
.text-muted { color: var(--color-text-muted); }
.text-nowrap { white-space: nowrap; }

/* Mobile */
@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
    .nav { flex-wrap: wrap; }
    .nav-links { gap: 0.5rem; font-size: 0.85rem; }
    .person-header { flex-direction: column; align-items: flex-start; }
    .table { font-size: 0.8rem; }
    .table th, .table td { padding: 0.35rem; }
}