/* ---- Base ---- */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f0f2f5;
  color: #333;
}

/* ---- Login pages ---- */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 2.5rem 3rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
  color: #0f3460;
}

.login-card p.subtitle {
  color: #888;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.login-card .form-control:focus {
  border-color: #0f3460;
  box-shadow: 0 0 0 0.2rem rgba(15,52,96,0.25);
}

.login-card .btn-primary {
  background: #0f3460;
  border: none;
  width: 100%;
  padding: 0.65rem;
  font-size: 1rem;
}

.login-card .btn-primary:hover {
  background: #16213e;
}

.login-error {
  display: none;
  color: #dc3545;
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

/* ---- Tree page ---- */
#tree-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#tree-navbar {
  background: #0f3460;
  color: #fff;
  padding: 0.6rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

#tree-navbar h1 {
  font-size: 1.1rem;
  margin: 0;
  flex: 1;
}

#tree-navbar .btn {
  font-size: 0.85rem;
  padding: 0.3rem 0.8rem;
}

#tree-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#tree-svg {
  width: 100%;
  height: 100%;
  cursor: grab;
}

#tree-svg:active {
  cursor: grabbing;
}

/* ---- Node styles (set via D3) ---- */
.node-person rect {
  rx: 8;
  ry: 8;
  stroke-width: 2;
}

.node-person.male rect {
  fill: #dbeafe;
  stroke: #3b82f6;
}

.node-person.female rect {
  fill: #fce7f3;
  stroke: #ec4899;
}

.node-person.unknown rect {
  fill: #f3f4f6;
  stroke: #9ca3af;
}

.node-person text {
  font-size: 11px;
  fill: #1f2937;
  pointer-events: none;
}

.node-marriage circle {
  fill: #6b7280;
  stroke: #374151;
  stroke-width: 1.5;
}

.node-marriage.divorced circle {
  fill: #ef4444;
  stroke: #991b1b;
}

.link-spouse {
  stroke: #6b7280;
  stroke-width: 1.5;
  fill: none;
}

.link-child {
  stroke: #9ca3af;
  stroke-width: 1.5;
  stroke-dasharray: 5,3;
  fill: none;
}

.fold-btn {
  cursor: pointer;
  font-size: 10px;
  fill: #374151;
  font-family: monospace;
}

.fold-btn-bg {
  fill: #e5e7eb;
  stroke: #9ca3af;
  stroke-width: 1;
  cursor: pointer;
}

/* ---- Side panel ---- */
#side-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 380px;
  height: 100vh;
  background: #fff;
  box-shadow: -4px 0 20px rgba(0,0,0,0.15);
  transition: right 0.3s ease;
  z-index: 200;
  display: flex;
  flex-direction: column;
}

#side-panel.open {
  right: 0;
}

#side-panel-header {
  background: #0f3460;
  color: #fff;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#side-panel-header h3 {
  margin: 0;
  flex: 1;
  font-size: 1rem;
}

#side-panel-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  line-height: 1;
}

#side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.2rem;
}

.detail-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
}

.detail-label {
  font-weight: 600;
  color: #6b7280;
  min-width: 90px;
}

.detail-value {
  color: #111827;
}

.gender-badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}

.gender-badge.M { background: #dbeafe; color: #1d4ed8; }
.gender-badge.F { background: #fce7f3; color: #be185d; }

/* ---- Admin panel ---- */
#admin-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#admin-navbar {
  background: #0f3460;
  color: #fff;
  padding: 0.6rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

#admin-navbar h1 {
  font-size: 1.1rem;
  margin: 0;
  flex: 1;
}

#admin-content {
  flex: 1;
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.table th {
  background: #f9fafb;
  font-weight: 600;
  font-size: 0.85rem;
  color: #374151;
}

.table td {
  font-size: 0.88rem;
  vertical-align: middle;
}

.btn-xs {
  padding: 0.15rem 0.5rem;
  font-size: 0.78rem;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .login-card {
    padding: 1.5rem;
    margin: 1rem;
  }
  #side-panel {
    width: 100vw;
    right: -100vw;
  }
}