/* ═══════════════════════════════════════════════════════════════════════════════
   GIA PHẢ ĐIỆN TỬ HỌ NGUYỄN TRƯƠNG — GIAO DIỆN TRANG NHÃ, HIỆN ĐẠI & DỄ NHÌN
   ═══════════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Merriweather:ital,wght@0,300;0,400;0,700;1,300&family=Be+Vietnam+Pro:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,400;1,600&family=Philosopher:wght@700&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

:root {
  /* ─── HỆ THỐNG MÀU CHÍNH (SÁNG RÕ, TRANG NHÃ, DỄ ĐỌC) ─── */
  --crimson-header: #420d14;
  --crimson-dark: #2a070c;
  --crimson: #7c1a24;
  --crimson-pale: #fdf2f4;
  
  --gold: #b48220;
  --gold-light: #dfa32b;
  --gold-pale: #fef8eb;
  --gold-bright: #e5a932;

  --bg-deep: #f4f0e6;
  --bg-main: #faf7f0;
  --bg-card: #ffffff;
  --bg-sidebar: #fbf8f2;

  --ink: #1e1b18;
  --ink2: #423b34;
  --ink3: #706558;
  --ink-light: #9c9183;

  --border: #dfd5c4;
  --border2: #ece5d8;
  --border-gold: #cfa850;

  --green: #15803d;
  --green-pale: #f0fdf4;
  --green-border: #86efac;
  --blue: #1d4ed8;
  --blue-pale: #eff6ff;
  --blue-border: #93c5fd;
  --purple: #7e22ce;
  --purple-pale: #faf5ff;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);

  --font-title: 'Merriweather', 'Playfair Display', serif;
  --font-body: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-deep);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ═══════════════ SCROLLBAR ═══════════════ */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: #c5b8a5;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-light);
}

input, select, textarea, button {
  font-family: inherit;
  font-size: 13px;
}
select option {
  background: #ffffff;
  color: var(--ink);
}
button {
  cursor: pointer;
  transition: all 0.2s ease;
}

/* ═══════════════ LOADING SPINNER ═══════════════ */
#loading {
  position: fixed;
  inset: 0;
  background: #2a070c;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 99999;
}
.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(223, 163, 43, 0.2);
  border-top-color: var(--gold-bright);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ═══════════════ TOAST THÔNG BÁO ═══════════════ */
#db-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #1e1b18;
  color: #fff;
  border: 1px solid var(--gold-bright);
  padding: 9px 18px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 12.5px;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  display: none;
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.25s ease;
}
#db-toast.show {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

/* ═══════════════ MÀN HÌNH ĐĂNG NHẬP ═══════════════ */
#login-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #3d0c11 0%, #190406 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  padding: 20px;
}
.login-box {
  background: #ffffff;
  border: 2px solid var(--border-gold);
  border-radius: 16px;
  padding: 34px 30px;
  width: 420px;
  max-width: 94vw;
  text-align: center;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.4);
}
.login-lantern {
  font-size: 42px;
  display: inline-block;
  animation: swing 3s ease-in-out infinite;
}
.login-title {
  font-family: var(--font-title);
  font-size: 21px;
  font-weight: 800;
  color: var(--crimson);
  margin-top: 8px;
  text-transform: uppercase;
}
.login-sub {
  font-size: 12px;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 22px;
}
.login-btn {
  width: 100%;
  padding: 12px;
  margin-top: 16px;
  background: var(--crimson);
  color: #fff;
  border: 1px solid var(--gold-bright);
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 700;
}
.login-btn:hover {
  background: #92202c;
}
.login-err {
  margin-top: 12px;
  padding: 8px 12px;
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #f87171;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
}

/* ═══════════════ APP CONTAINER ═══════════════ */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ═══════════════ 1. HEADER TRANG NHÃ ═══════════════ */
#header {
  background: linear-gradient(135deg, #2b070c 0%, #450f16 50%, #5a141d 100%);
  padding: 8px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--gold-bright);
  flex-wrap: wrap;
  gap: 10px;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  z-index: 60;
  position: relative;
}

.hdr-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hdr-lantern {
  font-size: 28px;
  display: inline-block;
  animation: swing 3.5s ease-in-out infinite;
}
@keyframes swing {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}
.hdr-title {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 800;
  color: #fff6e0;
  letter-spacing: 0.8px;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.6);
}
.hdr-sub {
  font-size: 11px;
  color: #fed7aa;
  margin-top: 1px;
  font-weight: 500;
}
.hdr-couplet {
  font-family: var(--font-title);
  font-size: 11px;
  color: #fef08a;
  font-style: italic;
  margin-top: 1px;
  opacity: 0.9;
}

.hdr-right {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.hdr-desktop-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mode-btn-wrap {
  display: flex;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 7px;
  overflow: hidden;
  border: 1px solid var(--border-gold);
}
.mode-btn {
  padding: 5px 12px;
  background: transparent;
  border: none;
  color: #d1c4b4;
  font-size: 11.5px;
  font-weight: 700;
}
.mode-btn.active {
  background: var(--gold-bright);
  color: #1a0608;
  font-weight: 800;
}

.zoom-wrap {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-gold);
  border-radius: 7px;
  padding: 2px 6px;
}
.zoom-btn {
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  color: #fff1c2;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}
.zoom-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}
.zoom-val {
  font-size: 11px;
  color: #fef08a;
  min-width: 40px;
  text-align: center;
  font-weight: 700;
}

.hdr-btn {
  padding: 6px 12px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-gold);
  border-radius: 7px;
  color: #fff4d6;
  font-size: 11.5px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 5px;
}
.hdr-btn:hover {
  background: rgba(223, 163, 43, 0.25);
  border-color: var(--gold-bright);
  color: #ffffff;
}

.hdr-user-info {
  color: #fff4d6;
  font-size: 11.5px;
  background: rgba(0, 0, 0, 0.4);
  padding: 6px 12px;
  border-radius: 7px;
  border: 1px solid var(--border-gold);
  font-weight: 700;
}

.hdr-mobile-menu-btn {
  display: none;
  padding: 6px 12px;
  background: var(--gold-bright);
  color: #1a0507;
  border: none;
  border-radius: 7px;
  font-weight: 800;
  font-size: 12px;
}

/* ═══════════════ 2. THANH ĐIỀU HƯỚNG TABS ═══════════════ */
#nav-tabs {
  display: flex;
  background: #200508;
  border-bottom: 2px solid var(--border-gold);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
  z-index: 50;
  padding: 0 8px;
}
#nav-tabs::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  padding: 10px 16px;
  background: none;
  border: none;
  color: #c9b9a6;
  font-size: 12.5px;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.18s ease;
}
.nav-tab:hover {
  color: #fff4d6;
  background: rgba(255, 255, 255, 0.06);
}
.nav-tab.active {
  color: #ffd875;
  border-bottom-color: var(--gold-bright);
  background: rgba(223, 163, 43, 0.12);
  font-weight: 700;
}
.nav-tab.highlight {
  color: #ffe699;
  font-weight: 700;
}

/* ═══════════════ 3. KHÔNG GIAN CANVAS CÂY GIA PHẢ ═══════════════ */
#body {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

#canvas-wrap {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: #fdfaf3;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  user-select: none;
  cursor: grab;
}
#canvas-wrap.panning {
  cursor: grabbing;
}

#canvas-inner {
  transform-origin: 0 0;
  transition: transform 0.05s ease-out;
  position: absolute;
  top: 0;
  left: 0;
}

/* ═══════════════ THANH CÔNG CỤ ĐIỀU KHIỂN CÂY GIA PHẢ (NGOÀI KHUNG CANVAS) ═══════════════ */
#tree-control-bar {
  background: #ffffff;
  border-bottom: 1.5px solid var(--border);
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  z-index: 50;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.canvas-search-box {
  position: relative;
  min-width: 200px;
}
.canvas-search-input {
  width: 100%;
  padding: 6px 10px 6px 28px;
  background: #ffffff;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  color: var(--ink);
  font-size: 12px;
  outline: none;
}
.canvas-search-input:focus {
  border-color: var(--crimson);
  box-shadow: 0 0 0 2px rgba(124, 26, 36, 0.15);
}
.canvas-search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink3);
  font-size: 12px;
  pointer-events: none;
}

#search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #ffffff;
  border-radius: 8px;
  border: 1px solid var(--border);
  max-height: 250px;
  overflow-y: auto;
  z-index: 120;
  box-shadow: var(--shadow-lg);
  display: none;
}
.search-item {
  padding: 8px 12px;
  cursor: pointer;
  color: var(--ink);
  font-size: 12px;
  border-bottom: 1px solid var(--border2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.search-item:hover {
  background: var(--gold-pale);
  color: var(--crimson);
  font-weight: 700;
}

.canvas-viewer-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--gold-pale);
  border: 1.5px solid var(--border-gold);
  border-radius: 7px;
  padding: 4px 10px;
}
.canvas-viewer-badge select {
  border: none;
  background: transparent;
  font-weight: 700;
  color: var(--crimson);
  outline: none;
  font-size: 12px;
  max-width: 150px;
}

.canvas-branch-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: 7px;
  padding: 4px 10px;
}
.canvas-branch-badge select {
  border: none;
  background: transparent;
  font-weight: 700;
  color: #166534;
  outline: none;
  font-size: 12px;
  max-width: 180px;
  cursor: pointer;
}

.canvas-float-btn {
  padding: 5px 10px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink2);
  display: flex;
  align-items: center;
  gap: 4px;
}
.canvas-float-btn:hover {
  background: var(--bg-deep);
  color: var(--ink);
  border-color: var(--gold-light);
}

/* DROPDOWN ⚙️ TÙY CHỌN HIỂN THỊ (GOM GỌN CHO LAPTOP & MÀN HÌNH NHỎ) */
.display-options-dropdown-wrap {
  position: relative;
  display: inline-block;
}
.display-options-btn {
  background: #fffdfa;
  border: 1.5px solid var(--border-gold);
  color: var(--crimson);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
.display-options-btn:hover {
  background: var(--gold-pale);
  border-color: var(--gold-bright);
}
.display-options-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 220px;
  background: #ffffff;
  border: 1.5px solid var(--border-gold);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
  padding: 8px;
  z-index: 200;
  animation: fadeIn 0.15s ease-out;
}
.opt-menu-header {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--gold);
  padding: 4px 10px 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.opt-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}
.opt-menu-item:hover {
  background: var(--gold-pale);
  color: var(--crimson);
  font-weight: 700;
}
.opt-menu-item:active {
  transform: scale(0.98);
}
.opt-icon {
  font-size: 14px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.opt-text {
  flex: 1;
}
.opt-menu-divider {
  height: 1px;
  background: var(--border2);
  margin: 6px 0;
}

.canvas-bottom-legend {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  z-index: 30;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
  background: rgba(255, 255, 255, 0.94);
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--border2);
  box-shadow: var(--shadow-sm);
}
.leg-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--ink2);
}

.canvas-mob-fab-bar {
  display: none;
}

/* ═══════════════ 4B. TREE OUTLINE / LIST VIEW (PHẢ ĐỒ PHÂN TẦNG CHO MOBILE) ═══════════════ */
#tree-outline-wrap {
  flex: 1;
  background: var(--bg-canvas);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 14px 12px 100px;
  display: none;
}

.outline-container {
  max-width: 860px;
  margin: 0 auto;
}

.outline-toolbar {
  background: #ffffff;
  border-radius: 14px;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 14px;
}

.outline-search-box {
  display: flex;
  align-items: center;
  position: relative;
}
.outline-search-box input {
  width: 100%;
  height: 38px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px 6px 36px;
  font-size: 13px;
  outline: none;
  background: var(--gold-pale);
  color: var(--ink);
  transition: all 0.2s;
}
.outline-search-box input:focus {
  border-color: var(--gold);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}
.outline-search-icon {
  position: absolute;
  left: 11px;
  font-size: 15px;
  color: var(--ink3);
  pointer-events: none;
}

.outline-actions-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border2);
  flex-wrap: wrap;
  gap: 6px;
}

/* OUTLINE NODE & CARD */
.outline-node {
  position: relative;
  margin-bottom: 6px;
}
.outline-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1.5px solid var(--border2);
  border-radius: 12px;
  padding: 9px 12px;
  cursor: pointer;
  box-shadow: 0 2px 5px rgba(0,0,0,0.03);
  transition: all 0.15s ease;
  position: relative;
}
.outline-card:hover {
  border-color: var(--gold);
  background: #fffdf9;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.12);
}
.outline-card.selected {
  border-color: var(--gold-bright) !important;
  background: #fffbf0 !important;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.25), 0 4px 14px rgba(0,0,0,0.08) !important;
}
.outline-card.viewer {
  border-color: #2563eb !important;
  background: #eff6ff !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25) !important;
}

.outline-card-main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.outline-toggle-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  border-radius: 8px;
  border: 1.5px solid var(--border2);
  background: var(--gold-pale);
  color: var(--crimson);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s;
}
.outline-toggle-btn:hover {
  background: var(--gold-light);
  color: var(--crimson);
}
.outline-toggle-btn:active {
  transform: scale(0.92);
}
.outline-leaf-dot {
  width: 36px;
  text-align: center;
  font-size: 9px;
  color: var(--ink3);
  flex-shrink: 0;
}

.outline-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--border-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  overflow: hidden;
  background: #f1f5f9;
}
.outline-avatar.male { background: #eff6ff; color: #1d4ed8; }
.outline-avatar.female { background: #fdf2f8; color: #db2777; }
.outline-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.outline-info {
  flex: 1;
  min-width: 0;
}
.outline-name-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 3px;
}
.outline-name {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
}
.outline-tag-viewer {
  font-size: 10px;
  font-weight: 800;
  background: #1d4ed8;
  color: #ffffff;
  padding: 1px 6px;
  border-radius: 10px;
}
.outline-tag-kinship {
  font-size: 10.5px;
  font-weight: 700;
  background: var(--red-crimson);
  color: #fef08a;
  padding: 1px 7px;
  border-radius: 10px;
  border: 1px solid var(--gold-bright);
}

.outline-tags-row {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  font-size: 11px;
}
.outline-tag-gen {
  padding: 1px 6px;
  border-radius: 5px;
  font-weight: 700;
  font-size: 10.5px;
}
.outline-tag-branch {
  font-size: 10.5px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 5px;
}
.outline-tag-branch.chief {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #f59e0b;
}
.outline-tag-branch.junior {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
}
.outline-tag-branch.daughter {
  background: #fdf2f8;
  color: #db2777;
  border: 1px solid #fbcfe8;
}

.outline-daughter-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 700;
  color: #be185d;
  background: #fdf2f8;
  border: 1.5px solid #fbcfe8;
  padding: 1px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.outline-daughter-btn:hover {
  background: #fce7f3;
  border-color: #f472b6;
  transform: translateY(-1px);
}
.outline-daughter-btn:active {
  transform: scale(0.95);
}
.outline-daughter-btn.active {
  background: #fce7f3;
  color: #9d174d;
  border-color: #ec4899;
  box-shadow: 0 1px 4px rgba(219, 39, 119, 0.2);
}
.outline-kids-count.daughter-expanded {
  border-color: #f472b6;
  background: #fff5f8;
}

.outline-tag-life {
  font-size: 10.5px;
  font-weight: 600;
}
.outline-tag-life.alive { color: #16a34a; }
.outline-tag-life.deceased { color: #dc2626; }

.outline-tag-birth {
  font-size: 10.5px;
  color: var(--ink3);
}

.outline-spouses-row {
  margin-top: 3px;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.outline-spouse-pill {
  font-size: 11px;
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
  padding: 1px 7px;
  border-radius: 6px;
  font-weight: 600;
}
.outline-spouse-pill:hover {
  background: #dcfce7;
}

.outline-addr-row {
  font-size: 10.5px;
  color: var(--ink3);
  margin-top: 2px;
}

.outline-card-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin-left: 8px;
}
.outline-kids-count {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--crimson);
  background: var(--gold-pale);
  border: 1.5px solid var(--border-gold);
  padding: 4px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.outline-kids-count:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}
.outline-kids-count:active {
  transform: scale(0.94);
}
.outline-arrow {
  font-size: 18px;
  color: var(--ink3);
  font-weight: 400;
}

/* SUB-BRANCH CONTAINER (NESTED CHILDREN) */
.outline-children-list {
  padding-left: 14px;
  margin-left: 10px;
  border-left: 2px solid var(--border-gold, #dfa32b);
  margin-top: 4px;
  position: relative;
}

/* ═══════════════ 4. DETAIL PANEL (BÊN PHẢI) ═══════════════ */
#detail-panel {
  width: 330px;
  min-width: 290px;
  padding: 16px;
  border-left: 1.5px solid var(--border);
  background: var(--bg-sidebar);
  overflow-y: auto;
  flex-shrink: 0;
  display: none;
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.05);
  z-index: 40;
}

.dp-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 18px;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.dp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}
.dp-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}
.dp-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--border-gold);
  background: var(--gold-pale);
  color: var(--crimson);
  overflow: hidden;
}
.dp-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.dp-avatar-cam-btn {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gold-bright);
  color: #fff;
  border: 2px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  cursor: pointer;
}

.dp-name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 16px;
  color: var(--crimson);
  line-height: 1.3;
}
.dp-kinship {
  color: var(--gold);
  font-size: 12.5px;
  font-weight: 800;
  margin-top: 2px;
}
.dp-gen {
  color: var(--ink3);
  font-size: 11px;
  font-weight: 600;
}
.dp-close {
  background: #fee2e2;
  border: none;
  color: #b91c1c;
  font-size: 16px;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dp-close:hover {
  background: #b91c1c;
  color: #fff;
}

.dp-info-row {
  margin-bottom: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ink2);
}
.dp-info-row span.label {
  color: var(--ink3);
  font-weight: 700;
}
.dp-link {
  color: var(--blue);
  cursor: pointer;
  text-decoration: underline;
  font-weight: 700;
}
.dp-link-pink {
  color: #be185d;
  cursor: pointer;
  text-decoration: underline;
  font-weight: 700;
}
.dp-link-green {
  color: var(--green);
  cursor: pointer;
  text-decoration: underline;
  font-weight: 700;
}
.dp-age-badge {
  display: inline-block;
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 10.5px;
  font-weight: 700;
  margin-left: 4px;
  border: 1px solid;
}

.dp-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border2);
}
.dp-btn {
  padding: 8px 10px;
  border-radius: 7px;
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

/* ═══════════════ 5. ADMIN PANEL ═══════════════ */
#admin-panel {
  width: 270px;
  border-left: 1.5px solid var(--border);
  background: #fbf6ec;
  padding: 16px;
  flex-shrink: 0;
  overflow-y: auto;
  display: none;
  z-index: 40;
}
.admin-sec {
  margin-bottom: 16px;
  background: #ffffff;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.admin-sec-title {
  font-size: 11px;
  font-weight: 800;
  color: var(--crimson);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border2);
  padding-bottom: 4px;
}

/* ═══════════════ 6. CONTENT PAGES (DỄ NHÌN, SÁNG RÕ) ═══════════════ */
#content-page {
  flex: 1;
  overflow-y: auto;
  padding: 28px 24px;
  display: none;
  background: var(--bg-main);
}

.kinship-page-wrapper {
  max-width: 980px;
  margin: 0 auto;
}

/* HERO BANNER CHO CÁC TRANG */
.kinship-hero {
  background: linear-gradient(135deg, #3d0d12 0%, #5c141d 60%, #7a1b26 100%);
  border-radius: 14px;
  padding: 22px 28px;
  color: #fff8eb;
  margin-bottom: 20px;
  border: 2px solid var(--border-gold);
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.kinship-hero h1 {
  font-family: var(--font-title);
  font-size: 21px;
  font-weight: 800;
  color: #ffe699;
}
.kinship-hero p {
  color: #fed7aa;
  font-size: 13px;
  margin-top: 4px;
  line-height: 1.5;
}

.region-selector-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.35);
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-gold);
}
.region-selector-wrap label {
  font-size: 11.5px;
  font-weight: 700;
  color: #fed7aa;
}
.region-selector-wrap select {
  background: #ffffff;
  border: none;
  padding: 5px 10px;
  border-radius: 6px;
  font-weight: 700;
  color: var(--crimson);
  font-size: 12px;
}

/* THẺ TRANG TRỌNG TRÊN NỀN TRẮNG SÁNG */
.matrix-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 22px 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.matrix-card h2 {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 800;
  color: var(--crimson);
  margin-bottom: 12px;
}

/* TRA CỨU XƯNG HÔ */
.kinship-selector-card {
  background: #ffffff;
  border-radius: 14px;
  padding: 20px;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.dual-selector-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}
.person-select-box {
  background: var(--bg-main);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.person-select-box.active {
  border-color: var(--crimson);
  background: #ffffff;
}
.person-select-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--crimson);
  margin-bottom: 6px;
}
.person-select-input {
  width: 100%;
  padding: 8px 10px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-weight: 600;
  font-size: 12.5px;
  color: var(--ink);
  background: #fff;
  outline: none;
}
.person-select-input:focus {
  border-color: var(--crimson);
}

/* SEARCHABLE PERSON PICKER */
.searchable-person-picker {
  position: relative;
  width: 100%;
}
.picker-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}
.picker-search-icon {
  position: absolute;
  left: 10px;
  font-size: 13px;
  color: var(--gold);
  pointer-events: none;
}
.picker-search-input {
  width: 100%;
  padding: 9px 32px 9px 32px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  color: var(--ink);
  background: #ffffff;
  outline: none;
  transition: all 0.2s ease;
}
.picker-search-input:focus {
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(139, 32, 32, 0.12);
}
.picker-clear-btn {
  position: absolute;
  right: 8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--bg-hover);
  border: none;
  color: var(--ink3);
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.picker-clear-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}
.person-selected-hint {
  font-size: 11px;
  font-weight: 700;
  color: var(--gold);
}
.picker-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: #ffffff;
  border: 1.5px solid var(--border-gold);
  border-radius: 10px;
  max-height: 280px;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  padding: 4px;
}
.picker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.picker-item:hover {
  background: var(--gold-pale);
}
.picker-item.selected {
  background: #fef2f2;
  border: 1px solid #fca5a5;
}
.picker-item-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  flex-shrink: 0;
  overflow: hidden;
}
.picker-item-avatar.male {
  background: #eff6ff;
  color: #2563eb;
  border: 1.5px solid #bfdbfe;
}
.picker-item-avatar.female {
  background: #fdf2f8;
  color: #db2777;
  border: 1.5px solid #fbcfe8;
}
.picker-item-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.picker-item-info {
  flex: 1;
  min-width: 0;
  text-align: left;
}
.picker-item-name {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 6px;
}
.picker-sel-badge {
  font-size: 9.5px;
  background: #dc2626;
  color: #ffffff;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
}
.picker-item-meta {
  font-size: 11px;
  color: var(--ink2);
  margin-top: 1px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.picker-gen-tag {
  font-weight: 700;
  color: var(--crimson);
}
.picker-no-res {
  padding: 14px;
  text-align: center;
  font-size: 12px;
  color: var(--ink3);
  font-style: italic;
}

.swap-btn-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.swap-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gold-bright);
  color: #1a0507;
  border: 2px solid #fff;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.swap-btn:hover {
  transform: rotate(180deg);
}

/* KẾT QUẢ XƯNG HÔ */
.kinship-result-box {
  background: linear-gradient(135deg, #2a070c 0%, #450f16 60%, #5a141d 100%);
  border: 2px solid var(--gold-bright);
  border-radius: 14px;
  padding: 24px 28px;
  color: #fff8eb;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 22px;
}
.kinship-callout-header {
  font-size: 13px;
  color: #fed7aa;
  font-weight: 600;
}
.kinship-person-tag {
  color: #fff;
  font-weight: 800;
  text-decoration: underline;
}
.kinship-big-call {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 12px 0;
}
.kinship-title-badge {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 800;
  color: #ffd875;
}

.kinship-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-top: 16px;
  text-align: left;
}
.kinship-meta-item {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(223, 163, 43, 0.4);
  border-radius: 8px;
  padding: 10px 14px;
}
.kinship-meta-item .meta-label {
  font-size: 10.5px;
  color: #fed7aa;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.kinship-meta-item .meta-val {
  font-size: 13.5px;
  color: #fff;
  font-weight: 700;
}

/* SƠ ĐỒ MẮT XÍCH */
.genealogy-path-box {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed rgba(223, 163, 43, 0.4);
}
.genealogy-path-title {
  font-size: 11.5px;
  font-weight: 700;
  color: #fed7aa;
  margin-bottom: 10px;
}
.genealogy-path-chain {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 6px;
  padding: 10px 4px;
}
.chain-step-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.chain-connector {
  display: flex;
  align-items: center;
  justify-content: center;
}
.chain-relation-pill {
  font-size: 10px;
  font-weight: 800;
  background: var(--gold-bright);
  color: #1a0507;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.4);
}
.chain-card {
  background: #ffffff;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--ink);
  min-width: 120px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}
.chain-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold-bright);
  box-shadow: var(--shadow-md);
}
.chain-card.start {
  background: #f0fdf4;
  border-color: #86efac;
}
.chain-card.end {
  background: #fef2f2;
  border-color: #fca5a5;
}
.chain-card.middle {
  background: #fffdf5;
  border-color: #fde68a;
}
.chain-card-step {
  font-size: 10px;
  font-weight: 800;
  color: var(--crimson);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.chain-card-name {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--ink);
}
.chain-card-meta {
  font-size: 10px;
  color: var(--ink2);
  margin-top: 1px;
}
.chain-card-subrel {
  font-size: 9.5px;
  color: #854d0e;
  font-weight: 600;
  margin-top: 3px;
  background: rgba(254, 240, 138, 0.4);
  padding: 1px 4px;
  border-radius: 4px;
  line-height: 1.3;
}

/* MA TRẬN TOÀN BỘ DANH XƯNG */
.matrix-card-hdr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.matrix-filter-bar input {
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 12px;
  outline: none;
  min-width: 200px;
}
.matrix-filter-bar input:focus {
  border-color: var(--crimson);
}
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}
.matrix-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: var(--bg-main);
  border: 1px solid var(--border2);
  border-radius: 8px;
}
.matrix-item:hover {
  background: #ffffff;
  border-color: var(--crimson);
  box-shadow: var(--shadow-sm);
}
.matrix-item-name {
  font-weight: 700;
  color: var(--ink);
  font-size: 12.5px;
}
.matrix-item-meta {
  font-size: 10.5px;
  color: var(--ink3);
  display: block;
}
.matrix-item-call {
  font-weight: 700;
  font-size: 12.5px;
  color: var(--crimson);
  background: #fee2e2;
  padding: 2px 8px;
  border-radius: 5px;
}

/* ═══════════════ 7. MODALS & DIALOGS ═══════════════ */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 4, 6, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal {
  background: #ffffff;
  border: 1.5px solid var(--border-gold);
  border-radius: 14px;
  padding: 24px 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  max-height: 90vh;
  overflow-y: auto;
}
.modal h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--crimson);
  margin-bottom: 16px;
  border-bottom: 1.5px solid var(--border2);
  padding-bottom: 8px;
}

.field {
  margin-bottom: 12px;
  text-align: left;
}
.field label {
  display: block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink2);
  margin-bottom: 4px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 7px 10px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  background: #ffffff;
  color: var(--ink);
  outline: none;
  font-size: 12.5px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--crimson);
  box-shadow: 0 0 0 2px rgba(124, 26, 36, 0.15);
}

.modal-btns {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border2);
}

.btn-primary {
  padding: 8px 16px;
  background: var(--crimson);
  color: #fff;
  border: 1px solid var(--gold-bright);
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 700;
}
.btn-primary:hover {
  background: #92202c;
}

.btn-secondary {
  padding: 8px 16px;
  background: #ffffff;
  color: var(--ink2);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
}
.btn-secondary:hover {
  background: var(--bg-deep);
}

.btn-danger {
  padding: 8px 16px;
  background: #dc2626;
  color: #fff;
  border: none;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 700;
}
.btn-danger:hover {
  background: #b91c1c;
}

/* ═══════════════ 8. RESPONSIVE BREAKPOINTS (MOBILE & TABLET CAO CẤP) ═══════════════ */
@media (max-width: 900px) {
  #header {
    padding: 8px 12px;
  }
  .hdr-desktop-tools {
    display: none;
  }
  .hdr-mobile-menu-btn {
    display: flex;
  }
  .dual-selector-grid {
    grid-template-columns: 1fr;
  }
  #admin-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 90vw;
    max-width: 360px;
    box-shadow: -8px 0 25px rgba(0, 0, 0, 0.3);
    z-index: 950;
  }
}

@media (max-width: 768px) {
  /* 1. HEADER MOBILE TINH GỌN & QUÝ PHÁI */
  #header {
    padding: 8px 12px;
    gap: 6px;
  }
  .hdr-logo {
    gap: 8px;
  }
  .hdr-lantern {
    font-size: 22px;
  }
  .hdr-title {
    font-size: 14.5px;
    letter-spacing: 0.4px;
    line-height: 1.2;
    font-weight: 800;
  }
  .hdr-sub {
    font-size: 10px;
    margin-top: 1px;
    letter-spacing: 0.2px;
    opacity: 0.92;
  }
  .hdr-couplet {
    display: none !important;
  }
  .hdr-right {
    gap: 6px;
  }
  .hdr-user-info {
    font-size: 10.5px;
    padding: 3px 7px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 6px;
  }
  .hdr-mobile-menu-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    font-size: 11.5px;
    font-weight: 700;
    border-radius: 8px;
    background: linear-gradient(135deg, #d4a034 0%, #b8860b 100%);
    color: #1a0507;
    border: 1px solid #fce8c3;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  }

  /* 2. THANH ĐIỀU HƯỚNG TABS MOBILE VUỐT CHẠM ÊM ÁI */
  #nav-tabs {
    padding: 6px 8px;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    background: #fdfaf3;
    border-bottom: 1.5px solid var(--border-gold);
  }
  #nav-tabs::-webkit-scrollbar {
    display: none;
  }
  .nav-tab {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 18px;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--ink2);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav-tab:active {
    transform: scale(0.96);
  }
  .nav-tab.active {
    background: linear-gradient(135deg, #7c1a24 0%, #a82937 100%);
    color: #ffffff;
    border-color: var(--gold-bright);
    box-shadow: 0 3px 10px rgba(124, 26, 36, 0.3);
  }
  .nav-tab.highlight {
    background: #fef3c7;
    color: #92400e;
    border-color: #f59e0b;
    font-weight: 800;
  }
  .nav-tab.highlight.active {
    background: linear-gradient(135deg, #7c1a24 0%, #a82937 100%);
    color: #ffffff;
    border-color: var(--gold-bright);
  }

  /* 3. THANH CÔNG CỤ CANVAS NỔI DẠNG GLASSMORPHISM */
  #tree-control-bar {
    padding: 6px 8px;
    gap: 6px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1.5px solid var(--border-gold);
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  }
  #tree-control-bar::-webkit-scrollbar {
    display: none;
  }
  .canvas-search-box {
    min-width: 140px;
    max-width: 165px;
    flex-shrink: 0;
    border-radius: 20px;
    border: 1.5px solid var(--border-gold);
    background: #ffffff;
  }
  .canvas-search-input {
    padding: 4px 8px 4px 26px;
    font-size: 12px;
    height: 30px;
    border-radius: 20px;
  }
  .canvas-search-icon {
    font-size: 11px;
    left: 8px;
  }
  .canvas-viewer-badge {
    padding: 3px 8px;
    height: 30px;
    flex-shrink: 0;
    font-size: 11px;
    border-radius: 20px;
    background: #fff8eb;
    border: 1.5px solid var(--border-gold);
    gap: 4px;
  }
  .canvas-viewer-badge select {
    font-size: 11px;
    max-width: 110px;
    font-weight: 700;
    color: #1a0507;
  }
  .canvas-float-btn {
    padding: 3px 10px;
    height: 30px;
    font-size: 11px;
    border-radius: 20px;
    white-space: nowrap;
    flex-shrink: 0;
    font-weight: 700;
    border: 1.5px solid var(--border);
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    transition: all 0.15s ease;
  }
  .canvas-float-btn:active {
    transform: scale(0.95);
    background: var(--gold-pale);
  }

  /* 4. CỤM PHÍM BẤM NHANH GÓC THUMB-ZONE CHO MOBILE */
  .canvas-bottom-legend {
    display: none !important;
  }
  .canvas-mob-fab-bar {
    display: flex;
    align-items: center;
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    gap: 5px;
    background: rgba(35, 6, 10, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 5px 8px;
    border-radius: 30px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    border: 1.5px solid var(--gold-bright);
    white-space: nowrap;
  }
  .mob-fab-btn {
    padding: 6px 11px;
    background: rgba(255, 255, 255, 0.12);
    color: #fef3c7;
    border: 1px solid rgba(212, 160, 52, 0.35);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    cursor: pointer;
  }
  .mob-fab-btn.fab-circle {
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 800;
    background: rgba(212, 160, 52, 0.25);
    border-color: var(--gold-bright);
    color: #ffffff;
  }
  .mob-fab-btn:active {
    background: var(--gold-bright);
    color: #1a0507;
    transform: scale(0.92);
  }

  /* 5. DETAIL PANEL CHUYỂN THÀNH BOTTOM SHEET TRƯỢT TỪ ĐÁY */
  #detail-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  #detail-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }
  #detail-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100% !important;
    max-width: 100% !important;
    max-height: 84vh;
    border-radius: 24px 24px 0 0;
    background: #ffffff;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.35);
    border-top: 3px solid var(--gold-bright);
    border-left: none;
    border-right: none;
    border-bottom: none;
    z-index: 950;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 10px 16px 36px;
    animation: sheetSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  @keyframes sheetSlideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
  }
  .sheet-drag-handle {
    width: 44px;
    height: 5px;
    background: #cbd5e1;
    border-radius: 3px;
    margin: 4px auto 14px;
    cursor: pointer;
  }
  .sheet-drag-handle:active {
    background: #94a3b8;
  }
  .dp-card {
    border-radius: 16px;
    border: 1.5px solid var(--border-gold);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    padding: 14px;
  }
  .dp-header {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
  }
  .dp-name {
    font-size: 16px;
    font-weight: 800;
    color: var(--crimson);
  }
  .dp-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .dp-item {
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 11.5px;
  }
  .dp-btns {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 14px;
  }
  .dp-btn {
    padding: 9px;
    font-size: 11.5px;
    border-radius: 10px;
    font-weight: 700;
  }

  /* 5.1 ADMIN PANEL VÀ BACKDROP CHO MOBILE (DẠNG BOTTOM SHEET) */
  #admin-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 900;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  #admin-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }
  #admin-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100% !important;
    max-width: 100% !important;
    max-height: 84vh;
    border-radius: 24px 24px 0 0;
    background: #ffffff;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.35);
    border-top: 3px solid var(--gold-bright);
    border-left: none;
    border-right: none;
    border-bottom: none;
    z-index: 950;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 14px 16px 36px;
    animation: sheetSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  /* 6. TRA CỨU XƯNG HÔ TRÊN MOBILE */
  .kinship-page-wrapper {
    padding: 10px 8px 40px;
  }
  .kinship-hero {
    padding: 14px 12px;
    border-radius: 14px;
    margin-bottom: 10px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .kinship-hero h1 {
    font-size: 15px;
    line-height: 1.3;
  }
  .kinship-hero p {
    font-size: 11px;
    line-height: 1.4;
    margin-top: 3px;
  }
  .region-selector-wrap {
    align-self: flex-start;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .region-selector-wrap select {
    flex: 1;
    max-width: 200px;
    font-size: 12px;
    padding: 5px 8px;
  }
  .kinship-selector-card {
    padding: 12px 10px;
    border-radius: 14px;
    margin-bottom: 12px;
  }
  .dual-selector-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .swap-btn-wrap {
    margin: 2px auto;
  }
  .swap-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
    border-radius: 50%;
    background: var(--gold-bright);
    color: #1a0507;
    border: 2px solid #ffffff;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
  }
  .person-select-box {
    padding: 10px;
    border-radius: 12px;
  }
  .picker-search-input {
    height: 38px;
    font-size: 13px;
    padding: 4px 10px 4px 28px;
    border-radius: 10px;
  }
  .picker-dropdown {
    max-height: 220px;
    border-radius: 10px;
  }
  .picker-item {
    padding: 8px 10px;
    font-size: 12px;
  }
  .kinship-result-box {
    padding: 14px 12px;
    border-radius: 14px;
  }
  .kinship-callout-header {
    font-size: 12.5px;
    line-height: 1.4;
  }
  .kinship-person-tag {
    font-size: 12.5px;
    padding: 2px 7px;
  }
  .kinship-big-call {
    flex-direction: column;
    gap: 8px;
    margin: 10px 0 12px;
    text-align: center;
  }
  .kinship-title-badge {
    font-size: 18px;
    padding: 7px 16px;
    border-radius: 20px;
    letter-spacing: 0.3px;
  }
  .kinship-meta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .kinship-meta-item {
    padding: 8px 10px;
    border-radius: 10px;
  }
  .meta-label {
    font-size: 10px;
    margin-bottom: 2px;
  }
  .meta-val {
    font-size: 12px;
  }
  .genealogy-path-box {
    margin-top: 12px;
    padding: 10px 8px;
    border-radius: 12px;
  }
  .genealogy-path-title {
    font-size: 11.5px;
    margin-bottom: 8px;
  }
  .genealogy-path-chain {
    padding: 8px 2px;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .chain-card {
    min-width: 110px;
    max-width: 130px;
    padding: 7px 8px;
    border-radius: 10px;
  }
  .chain-card-step {
    font-size: 9px;
  }
  .chain-card-name {
    font-size: 11.5px;
    font-weight: 800;
  }
  .chain-card-meta {
    font-size: 9.5px;
  }
  .chain-relation-pill {
    font-size: 9px;
    padding: 2px 6px;
  }
  .matrix-card {
    padding: 12px 10px;
    border-radius: 14px;
  }
  .matrix-card-hdr {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .matrix-card-hdr h2 {
    font-size: 13.5px;
  }
  .matrix-filter-bar input {
    font-size: 12.5px;
    height: 34px;
    padding: 4px 10px;
    border-radius: 8px;
  }
  .matrix-grid {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .matrix-item {
    padding: 8px 10px;
    border-radius: 10px;
  }
  .matrix-item-name {
    font-size: 12.5px;
  }
  .matrix-call-badge {
    font-size: 12px;
    padding: 3px 9px;
    border-radius: 12px;
  }

  /* 7. TRANG NỘI DUNG & MODALS MOBILE */
  .content-container {
    padding: 12px 10px 40px;
    max-width: 100%;
  }
  .content-card {
    padding: 14px 12px;
    border-radius: 14px;
    margin-bottom: 12px;
  }
  .content-title {
    font-size: 16.5px;
  }
  .content-body {
    font-size: 13.5px;
    line-height: 1.65;
  }
  .news-card, .fund-item-card, .contact-card {
    padding: 12px 10px;
    border-radius: 12px;
    margin-bottom: 10px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .modal {
    width: 95vw !important;
    max-width: 480px;
    max-height: 88vh;
    padding: 18px 14px 22px;
    border-radius: 18px;
  }
  .modal h3 {
    font-size: 15px;
    margin-bottom: 12px;
  }
  .field input, .field select, .field textarea {
    font-size: 16px !important;
    padding: 8px 10px;
    border-radius: 8px;
  }
  .modal-btns {
    flex-direction: column-reverse;
    gap: 8px;
  }
  .modal-btns button {
    width: 100%;
    padding: 11px;
    font-size: 13.5px;
    border-radius: 8px;
  }
  .login-box {
    padding: 24px 18px;
    border-radius: 18px;
  }
  .login-title {
    font-size: 18px;
  }

  /* TỐI ƯU CẢM ỨNG (TOUCH TARGET >= 44px) TRÊN MOBILE */
  .outline-toggle-btn {
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    font-size: 16px;
    border-radius: 10px;
  }
  .outline-kids-count {
    min-height: 44px;
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 12px;
  }
  .outline-avatar {
    width: 46px;
    height: 46px;
  }
  .outline-card {
    padding: 12px 14px;
    margin-bottom: 8px;
  }
}

/* ═══════════════ 9. CHẾ ĐỘ IN ẤN CHUYÊN BIỆT (CHỈ IN CÂY GIA PHẢ) ═══════════════ */
@media print {
  @page {
    size: landscape;
    margin: 6mm;
  }
  *, *::before, *::after {
    box-shadow: none !important;
    text-shadow: none !important;
  }
  html, body {
    height: auto !important;
    overflow: visible !important;
    background: #ffffff !important;
    color: #000000 !important;
  }
  /* Ẩn toàn bộ giao diện website */
  #header, #nav-tabs, #loading, #db-toast, .canvas-float-tools, .canvas-bottom-legend,
  .canvas-mob-fab-bar, #detail-panel, #admin-panel, #content-page,
  .no-print, #login-screen, .overlay, .modal {
    display: none !important;
  }
  /* Chỉ hiển thị khu vực phả đồ cây gia phả */
  #app, #body, #canvas-wrap {
    display: block !important;
    position: static !important;
    height: auto !important;
    width: 100% !important;
    overflow: visible !important;
    background: #ffffff !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  #canvas-inner {
    position: static !important;
    transform: none !important;
    display: block !important;
    width: 100% !important;
    height: auto !important;
  }
  #tree-svg {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
    margin: 0 auto !important;
    background: #ffffff !important;
  }
}

/* ═══════════════ 10. CHẾ ĐỘ ẨN TOÀN BỘ THANH MENU (FULLSCREEN IMMERSIVE) ═══════════════ */
.menus-hidden #header,
.menus-hidden #nav-tabs,
.menus-hidden #tree-control-bar {
  display: none !important;
}

.floating-menu-restore-btn {
  position: fixed;
  top: 10px;
  right: 12px;
  z-index: 999;
  padding: 6px 14px;
  background: rgba(35, 6, 10, 0.94);
  color: #fef08a;
  border: 1.5px solid var(--gold-bright);
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 800;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.25s ease-out;
}
.floating-menu-restore-btn:active {
  transform: scale(0.95);
  background: var(--gold-bright);
  color: #1a0507;
}

/* ═══════════════ 11. THANH BREADCRUMBS PHẢ HỆ TRỰC HỆ ═══════════════ */
.canvas-breadcrumbs-bar {
  position: absolute;
  top: 10px;
  left: 14px;
  right: 14px;
  max-width: calc(100% - 28px);
  background: rgba(35, 6, 10, 0.94);
  border: 1.5px solid var(--gold-bright);
  border-radius: 12px;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 60;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  animation: fadeInDown 0.25s ease-out;
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.breadcrumbs-label {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--gold-bright);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}
.breadcrumbs-trail {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
  padding: 2px 0;
}
.breadcrumbs-trail::-webkit-scrollbar {
  display: none;
}
.crumb-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff4d6;
  border: 1px solid rgba(223, 163, 43, 0.45);
  padding: 3px 10px;
  border-radius: 16px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.crumb-item:hover {
  background: var(--gold-bright);
  color: #1a0507;
  border-color: #ffffff;
  transform: translateY(-1px);
}
.crumb-item.active {
  background: #fef08a;
  color: #78350f;
  border-color: var(--gold-bright);
  font-weight: 800;
  box-shadow: 0 0 10px rgba(254, 240, 138, 0.6);
}
.crumb-separator {
  color: var(--gold-bright);
  font-weight: 900;
  font-size: 10px;
  user-select: none;
}
.breadcrumbs-close {
  background: none;
  border: none;
  color: #fca5a5;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.breadcrumbs-close:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #ffffff;
}

/* ═══════════════ 12. NÚT THU GỌN / MỞ RỘNG NHÁNH TRÊN SVG ═══════════════ */
.subtree-toggle-badge {
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.subtree-toggle-badge:hover circle,
.subtree-toggle-badge:hover rect {
  filter: brightness(1.25) drop-shadow(0 0 6px rgba(223, 163, 43, 0.85));
}
.subtree-toggle-badge text {
  pointer-events: none;
  font-family: var(--font-sans);
}

/* ═══════════════ 13. LEVEL OF DETAIL (LOD) CHO ZOOM XA (< 60%) ═══════════════ */
#tree-svg.lod-compact .card-ornament,
#tree-svg.lod-compact .card-avatar,
#tree-svg.lod-compact .card-status-dot,
#tree-svg.lod-compact .card-status-text,
#tree-svg.lod-compact .card-death-text,
#tree-svg.lod-compact .card-branch-tag,
#tree-svg.lod-compact .card-spouse-btn,
#tree-svg.lod-compact .card-female-btn {
  display: none !important;
}

#tree-svg.lod-compact .card-name-text {
  font-size: 13.5px !important;
  font-weight: 900 !important;
  fill: #ffffff !important;
}
#tree-svg.lod-compact .card-birth-text {
  font-size: 11px !important;
  font-weight: 800 !important;
  fill: #fde047 !important;
}