:root{--bg:#f5f7fb;--panel:#fff;--text:#172033;--muted:#667085;--brand:#166534;--brand2:#22c55e;--line:#e5e7eb;--danger:#dc2626;--shadow:0 12px 30px rgba(16,24,40,.08);--radius:18px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--brand);text-decoration:none}button,.btn{border:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;padding:12px 16px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;min-height:44px}.btn.ghost,button.ghost{background:#eef7f0;color:var(--brand)}.danger{color:var(--danger)!important}.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:#082f1b;color:#fff;padding:18px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-size:20px;font-weight:900;margin-bottom:22px;display:flex;gap:10px;align-items:center}.sidebar nav{display:grid;gap:8px}.sidebar a{color:#d1fae5;padding:12px 14px;border-radius:14px}.sidebar a:hover{background:rgba(255,255,255,.12)}.main{min-width:0}.topbar{height:72px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);display:flex;align-items:center;gap:14px;padding:0 24px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar small{display:block;color:var(--muted);font-weight:500}.hamb{display:none;background:#ecfdf5;color:var(--brand);padding:8px 12px;min-height:40px}.content{padding:24px;max-width:1500px;margin:auto}h1{font-size:28px;margin:0 0 18px}h2{font-size:20px;margin:0 0 16px}.panel,.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.card b{font-size:30px;display:block}.card span{color:var(--muted)}.grid-2{display:grid;grid-template-columns:1fr 1.4fr;gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.feature-grid span{background:#f0fdf4;border:1px solid #bbf7d0;padding:14px;border-radius:14px}label{display:grid;gap:7px;margin-bottom:13px;color:#344054;font-weight:700}input,select,textarea{width:100%;border:1px solid #d0d5dd;border-radius:12px;padding:12px 13px;font:inherit;background:#fff;min-height:44px}textarea{resize:vertical}.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:10px 0}.checks label{display:flex;align-items:center;gap:8px;margin:0;font-weight:600}.checks input{width:auto;min-height:auto}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}.inline-form{margin-bottom:16px}.table-wrap{overflow:auto}table{width:100%;border-collapse:separate;border-spacing:0;min-width:760px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc;color:#475467;font-size:13px;text-transform:uppercase}.thumb{width:44px;height:44px;object-fit:cover;border-radius:50%}.search{margin-bottom:12px}.auth-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#dcfce7,#f5f7fb 45%,#fff)}.auth-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:28px;width:min(440px,92vw)}.auth-card h1{text-align:center}.alert{background:#fee2e2;color:#991b1b;padding:12px;border-radius:12px;margin-bottom:14px}.tree-canvas{overflow:auto;padding:20px;background:linear-gradient(#fff,#f8fafc);border-radius:18px;min-height:360px}.tree-level{display:flex;justify-content:center;gap:22px;list-style:none;margin:0;padding:34px 0 0;position:relative;min-width:max-content}.tree-level .tree-level:before{content:"";position:absolute;top:14px;left:50%;height:20px;border-left:2px solid #98a2b3}.tree-level li{display:grid;place-items:center;position:relative;padding:0 8px}.tree-level li:before{content:"";position:absolute;top:14px;left:0;right:0;border-top:2px solid #98a2b3}.tree-level li:first-child:before{left:50%}.tree-level li:last-child:before{right:50%}.person-card{width:190px;min-height:120px;background:#fff;border:1px solid #d0d5dd;border-radius:18px;padding:12px;text-align:center;box-shadow:0 10px 25px rgba(16,24,40,.08);position:relative}.person-card.gender-male{border-top:5px solid #2563eb}.person-card.gender-female{border-top:5px solid #db2777}.person-card .avatar{width:54px;height:54px;border-radius:50%;object-fit:cover;display:block;margin:-30px auto 8px;background:#e5e7eb;border:4px solid #fff}.person-card small,.person-card span,.person-card em{display:block;color:var(--muted);font-size:12px;margin-top:4px}.mini-actions{display:flex;justify-content:center;gap:10px;margin-top:8px;font-size:12px}.dragging{opacity:.45}.profile{display:grid;grid-template-columns:280px 1fr;gap:24px}.profile-avatar{width:220px;height:220px;border-radius:28px;object-fit:cover;box-shadow:var(--shadow)}.map{width:100%;height:320px;border:0;border-radius:16px}.doc{border-bottom:1px solid var(--line);padding:12px 0}.bar{display:grid;grid-template-columns:90px 1fr 50px;gap:10px;align-items:center;margin:12px 0}.bar i{height:14px;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:99px}.bottom-nav{display:none}
@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-290px;top:0;bottom:0;width:280px;z-index:50;transition:.25s}.sidebar.open{left:0}.hamb{display:inline-flex}.content{padding:18px}.cards{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){body{padding-bottom:72px}.topbar{height:62px;padding:0 12px}.content{padding:14px}.cards{grid-template-columns:1fr 1fr;gap:10px}.card,.panel{padding:14px;border-radius:16px}h1{font-size:22px}.feature-grid{grid-template-columns:1fr}.checks{grid-template-columns:1fr}.toolbar{align-items:stretch}.toolbar>*{width:100%}button,.btn{width:100%;justify-content:center}.person-card{width:160px}.tree-canvas{padding:16px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:60;box-shadow:0 -8px 20px rgba(16,24,40,.08);padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{display:grid;place-items:center;color:#344054;font-size:18px;padding:8px 0 6px}.bottom-nav span{font-size:11px}.profile{grid-template-columns:1fr}.profile-avatar{width:100%;height:auto;max-height:320px}.auth-card{padding:20px}}
@page{size:A4 landscape;margin:10mm}body[data-print="A3"] .print-area{zoom:.9}@media print{.no-print,.sidebar,.topbar,.bottom-nav{display:none!important}.app-shell{display:block}.content{padding:0}.panel{box-shadow:none;border:0}.tree-canvas{overflow:visible}.person-card{break-inside:avoid}body{background:#fff}.main{width:100%}}

/* === CACHEFIX + FORM UX 2026.06.27 === */
input[type="checkbox"],input[type="radio"]{width:22px!important;height:22px!important;min-width:22px!important;min-height:22px!important;padding:0!important;margin:0 10px 0 0!important;display:inline-block!important;vertical-align:middle!important;accent-color:#166534;flex:0 0 22px;border-radius:6px}
label:has(> input[type="checkbox"]),label:has(> input[type="radio"]){display:flex!important;align-items:center!important;justify-content:flex-start!important;gap:8px!important;min-height:44px!important;padding:10px 12px!important;border:1px solid #e5e7eb!important;border-radius:12px!important;background:#fff!important;margin-bottom:13px!important;line-height:1.35!important;color:#344054!important;font-weight:700!important}.checks label{background:#f8fafc!important}.checks input[type="checkbox"]{margin-right:6px!important}
input[type="file"]{padding:9px 12px!important}.topbar,.sidebar,.panel,.card,.auth-card{will-change:transform}.content{width:100%}.panel{overflow:hidden}.table-wrap{border-radius:14px}.table-wrap table{background:#fff}.form-pro .grid-2,.form-pro .grid-3{align-items:start}
@media(max-width:900px){.app-shell{grid-template-columns:1fr!important}.sidebar{position:fixed!important;left:-310px!important;top:0!important;bottom:0!important;width:290px!important;height:100dvh!important;z-index:1000!important;transition:left .22s ease!important}.sidebar.open{left:0!important}.hamb{display:inline-flex!important}.content{padding:14px 12px 86px!important}.grid-2,.grid-3,.cards,.feature-grid,.profile{grid-template-columns:1fr!important}.topbar{height:auto!important;min-height:64px!important;padding:10px 14px!important}.panel,.card{padding:16px!important;border-radius:16px!important}input,select,textarea,button,.btn{font-size:16px!important}.bottom-nav{display:grid!important;grid-template-columns:repeat(4,1fr);position:fixed;left:10px;right:10px;bottom:10px;background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 15px 35px rgba(16,24,40,.16);z-index:999;padding:8px}.bottom-nav a{display:grid;place-items:center;color:#166534;font-size:18px;gap:2px}.bottom-nav span{font-size:11px;font-weight:700}.person-card{width:170px!important}.tree-canvas{padding:34px 14px!important;-webkit-overflow-scrolling:touch}.tree-level{gap:12px!important}h1{font-size:23px!important}}
@media print{.sidebar,.topbar,.bottom-nav,.toolbar,.mini-actions,button,.btn{display:none!important}.app-shell{display:block!important}.content{padding:0!important;max-width:none!important}.panel,.card{box-shadow:none!important;border:0!important}.tree-canvas{overflow:visible!important;background:#fff!important}.person-card{break-inside:avoid}}
.alert{padding:12px 14px;border-radius:14px;margin:12px 0;font-weight:700}.alert.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.alert.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-weight:700;font-size:12px}.btn-danger{background:#dc2626!important;color:#fff!important;border-color:#dc2626!important;padding:8px 12px!important;min-height:36px!important}td form{margin:0}

/* === ENTERPRISE BEAUTY UI UPDATE 2026.06.27 === */
:root{--primary:#0b5b35;--primary-dark:#073b24;--primary-soft:#e8f7ee;--surface:#ffffff;--surface-2:#f8fafc;--warning:#f59e0b;--blue:#2563eb;--red:#dc2626;--ring:0 0 0 4px rgba(34,197,94,.16)}
body{letter-spacing:.01em}.sidebar{background:linear-gradient(180deg,#06351f 0%,#052616 100%);box-shadow:8px 0 24px rgba(6,53,31,.16)}.brand{padding:8px 6px 18px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar a{font-weight:700;display:flex;align-items:center;min-height:42px}.sidebar a:hover{transform:translateX(3px);transition:.18s;background:rgba(255,255,255,.11)}.topbar{box-shadow:0 8px 24px rgba(16,24,40,.05)}.content{animation:fadeIn .18s ease}@keyframes fadeIn{from{opacity:.75;transform:translateY(4px)}to{opacity:1;transform:none}}
.panel,.card{border-color:#e6eaf0}.table-card{padding:0!important;overflow:hidden}.table-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfdff)}.table-head h2{margin:0;font-size:18px}.table-head p{margin:4px 0 0;color:var(--muted);font-size:13px}.table-search{max-width:280px;min-height:38px;border-radius:999px;background:#f8fafc}.table-wrap{overflow:auto}.table-wrap table{min-width:720px;border-spacing:0}.table-wrap th{position:sticky;top:0;z-index:1;background:#f9fafb;font-size:12px;letter-spacing:.04em}.table-wrap td{padding:14px 16px}.table-wrap tr:hover td{background:#fbfefc}.text-right{text-align:right!important}.tree-title{display:flex;align-items:center;gap:10px}.tree-title b{display:block}.tree-title small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.tree-dot{width:34px;height:34px;border-radius:12px;background:var(--primary-soft);display:grid;place-items:center;box-shadow:inset 0 0 0 1px #bbf7d0}.badge.soft{background:#ecfdf5;color:#047857}.badge{white-space:nowrap}
.action-group{display:inline-flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:nowrap}.inline-delete{display:inline-flex;margin:0!important}.icon-btn{width:30px!important;height:30px!important;min-width:30px!important;min-height:30px!important;padding:0!important;border-radius:9px!important;border:1px solid #dbe3ee!important;background:#fff!important;color:#344054!important;display:inline-grid!important;place-items:center!important;font-size:14px!important;line-height:1!important;box-shadow:0 2px 7px rgba(16,24,40,.06)!important;cursor:pointer!important;text-decoration:none!important}.icon-btn:hover{transform:translateY(-1px);box-shadow:0 6px 14px rgba(16,24,40,.12)!important;border-color:#a7f3d0!important;background:#f0fdf4!important}.icon-btn.edit:hover{background:#eff6ff!important;border-color:#bfdbfe!important}.icon-btn.lock:hover{background:#fff7ed!important;border-color:#fed7aa!important}.icon-btn.trash{color:#b91c1c!important}.icon-btn.trash:hover{background:#fef2f2!important;border-color:#fecaca!important;color:#dc2626!important}.btn.xs{min-height:30px!important;padding:5px 9px!important;border-radius:8px!important;font-size:12px!important}.btn.secondary{background:#f1f5f9!important;color:#334155!important}.form-actions{display:flex;gap:8px;flex-wrap:wrap}.form-actions .btn,.form-actions button{width:auto!important}.panel form button:not(.icon-btn){box-shadow:0 8px 18px rgba(22,101,52,.18)}
@media(max-width:760px){.table-head{display:grid;padding:14px}.table-search{max-width:none}.table-wrap table{min-width:620px}.action-group{gap:4px}.icon-btn{width:28px!important;height:28px!important;min-width:28px!important;min-height:28px!important;border-radius:8px!important;font-size:13px!important}.table-wrap td,.table-wrap th{padding:11px 10px}.tree-dot{display:none}.form-actions .btn,.form-actions button{width:100%!important}.actions-cell{min-width:132px}}
/* Enterprise Free Online UX update */
.muted{color:#64748b;font-size:13px}.alert{padding:12px 14px;border-radius:14px;margin:12px 0;border:1px solid #dbeafe;background:#eff6ff}.alert.success{background:#ecfdf5;border-color:#bbf7d0;color:#065f46}.alert.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.table-card .table-head{display:flex;gap:12px;align-items:flex-end;justify-content:space-between;margin-bottom:12px}.table-search{max-width:260px;height:38px;border-radius:12px;border:1px solid #cbd5e1;padding:0 12px}.badge{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:3px 9px;border-radius:999px;background:#0f5132;color:#fff;font-size:12px;font-weight:700}.badge.soft{background:#e8f5ee;color:#0f5132}.tree-title{display:flex;align-items:center;gap:9px}.tree-title small{display:block;color:#64748b;font-size:11px}.tree-dot{width:30px;height:30px;border-radius:10px;background:#ecfdf5;display:inline-flex;align-items:center;justify-content:center}.text-right{text-align:right}.actions-cell{white-space:nowrap}.action-group{display:inline-flex;align-items:center;gap:5px;justify-content:flex-end;flex-wrap:wrap}.icon-btn{width:28px;height:28px;min-width:28px;border-radius:9px;border:1px solid #d6dde8;background:#fff;color:#0f172a;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:13px;line-height:1;cursor:pointer;padding:0;box-shadow:0 1px 2px rgba(15,23,42,.05)}.icon-btn:hover{background:#f8fafc;transform:translateY(-1px)}.icon-btn.edit{border-color:#bbf7d0;background:#ecfdf5}.icon-btn.lock{border-color:#bfdbfe;background:#eff6ff}.icon-btn.trash{border-color:#fecaca;background:#fef2f2}.inline-delete{display:inline;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}.feature-grid span{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:12px;font-weight:700}.public-body{background:#f6f7f2;margin:0;color:#0f172a}.public-hero{padding:28px 18px;background:linear-gradient(135deg,#063b21,#166534);color:#fff;text-align:center}.public-hero h1{margin:0 0 8px;font-size:clamp(24px,4vw,44px)}.public-hero button{background:#fff;color:#064e3b;border:0;border-radius:999px;padding:10px 18px;font-weight:800}.public-main{max-width:1280px;margin:auto;padding:18px}.tree-canvas{overflow:auto;background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:20px;min-height:60vh}.auth-card .alert{font-size:13px;text-align:left}
@media(max-width:760px){.table-card .table-head{display:block}.table-search{max-width:100%;width:100%;margin-top:8px}.action-group{gap:4px}.icon-btn{width:30px;height:30px;min-width:30px}.feature-grid{grid-template-columns:1fr}.public-main{padding:10px}.tree-canvas{border-radius:12px;padding:10px}}


/* Mobile menu close + outside click overlay */
.menu-close{display:none;margin-left:auto;width:36px;height:36px;min-height:36px;padding:0;border-radius:10px;background:rgba(255,255,255,.12)!important;color:#fff!important;font-size:28px;line-height:1;align-items:center;justify-content:center}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);backdrop-filter:blur(2px);z-index:999;opacity:0;transition:opacity .22s ease}
.sidebar-overlay.show{display:block;opacity:1}
body.menu-open{overflow:hidden}
@media(max-width:1100px){.menu-close{display:inline-flex!important}.brand span{min-width:0}.sidebar{z-index:1000!important}.sidebar-overlay{display:none}.sidebar-overlay.show{display:block}}
@media(min-width:1101px){.sidebar-overlay,.menu-close{display:none!important}body.menu-open{overflow:auto}}


/* Lunar calendar UI */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.lunar-box{background:#fffaf0;border:1px solid #fde68a;border-radius:16px;padding:12px;margin:8px 0 14px}.hint{margin:0 0 14px;color:#64748b;font-size:13px}.checkline{display:flex!important;align-items:center;gap:8px}.checkline input[type="checkbox"]{width:18px!important;height:18px!important;min-height:18px!important}.lunar-pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;padding:4px 9px;font-size:12px;font-weight:800}.calendar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.calendar-item{border:1px solid #e2e8f0;background:#fff;border-radius:16px;padding:13px}.calendar-item b{display:block;margin-bottom:4px}.calendar-item small{display:block;color:#64748b;line-height:1.5}
@media(max-width:900px){.grid-4{grid-template-columns:1fr!important}.lunar-box{padding:10px}}

/* Frontend public SEO landing - không ảnh hưởng admin */
.front-page{background:#f7f7f2;color:#102018}.front-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px clamp(14px,3vw,34px);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid #e5e7eb}.front-logo{display:flex;align-items:center;gap:8px;color:#064e3b;font-size:18px}.front-nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.front-nav a{font-weight:800;color:#14532d}.front-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:999px;background:linear-gradient(135deg,#065f46,#22c55e);color:#fff!important;padding:11px 18px;font-weight:900;box-shadow:0 10px 24px rgba(6,95,70,.18)}.front-btn.small{min-height:38px;padding:8px 14px;font-size:14px}.front-btn.ghost{background:#fff!important;color:#065f46!important;border:1px solid #bbf7d0;box-shadow:none}.front-hero{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;max-width:1180px;margin:auto;padding:clamp(34px,6vw,78px) 18px}.front-hero h1{font-size:clamp(34px,6vw,64px);line-height:1.05;margin:14px 0;color:#052e16;letter-spacing:-.04em}.front-hero p{font-size:clamp(16px,2vw,21px);line-height:1.7;color:#475569;max-width:780px}.front-badge{display:inline-flex;align-items:center;border-radius:999px;background:#ecfdf5;color:#047857;border:1px solid #bbf7d0;padding:7px 12px;font-size:13px;font-weight:900}.front-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.front-hero-card,.front-card,.front-article{background:#fff;border:1px solid #e2e8f0;border-radius:28px;padding:24px;box-shadow:0 18px 40px rgba(16,24,40,.08)}.front-hero-card b{font-size:22px;color:#064e3b}.front-hero-card li{margin:12px 0;line-height:1.5}.front-section{max-width:1180px;margin:0 auto 26px;padding:0 18px}.front-section-head{text-align:center;margin-bottom:18px}.front-section-head h2,.front-card h2,.front-article h2{color:#052e16;font-size:clamp(24px,4vw,38px);line-height:1.16;margin:12px 0}.front-section-head p{color:#64748b;line-height:1.7}.front-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.front-card ol{padding-left:20px}.front-card li,.front-article p{line-height:1.75;color:#475569}.front-article p{font-size:17px}.front-footer{text-align:center;padding:26px 18px;color:#64748b}.sample-tree-wrap{overflow:auto;background:#fff;border:1px solid #e2e8f0;border-radius:28px;padding:28px;box-shadow:0 18px 40px rgba(16,24,40,.07)}.sample-tree,.sample-tree ul{display:flex;justify-content:center;gap:22px;list-style:none;margin:0;padding:34px 0 0;position:relative;min-width:max-content}.sample-tree ul:before{content:"";position:absolute;top:15px;left:50%;width:1px;height:20px;background:#cbd5e1}.sample-tree li{display:grid;justify-items:center;position:relative}.sample-person{width:190px;background:#fff;border:1px solid #dbe5dd;border-radius:18px;padding:14px;text-align:center;box-shadow:0 10px 24px rgba(15,23,42,.08)}.sample-person strong{display:block;color:#052e16}.sample-person span{display:block;color:#64748b;font-size:12px;margin-top:5px}.sample-person.root{background:linear-gradient(135deg,#064e3b,#16a34a);color:#fff}.sample-person.root strong,.sample-person.root span{color:#fff}.sample-person.male{border-color:#bfdbfe;background:#eff6ff}.sample-person.female{border-color:#fbcfe8;background:#fdf2f8}.youtube-lite{position:relative;overflow:hidden;border-radius:18px;background:#0f172a;aspect-ratio:16/9}.youtube-lite iframe{position:absolute;inset:0;width:100%;height:100%;border:0}pre{white-space:pre-wrap;background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:12px;overflow:auto}
@media(max-width:860px){.front-header{display:grid}.front-nav{gap:10px}.front-hero,.front-grid{grid-template-columns:1fr}.front-hero{padding-top:28px}.front-hero-card,.front-card,.front-article,.sample-tree-wrap{border-radius:20px;padding:18px}.front-btn{width:100%}.front-nav .front-btn{width:auto}.sample-person{width:160px}.front-nav a{font-size:14px}.front-article p{font-size:16px}}
/* Tree by branch update */
.inline-form{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.tree-note{font-size:13px;color:#475467;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:10px 12px;margin:8px 0 14px}.branch-canvas{display:block}.branch-tree-section{min-width:max-content;margin:0 0 28px;padding:18px 12px 8px;border:1px solid #e2e8f0;border-radius:18px;background:linear-gradient(180deg,#fff,#fbfdfb)}.branch-tree-section>h3{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:7px 12px;border-radius:999px;background:#ecfdf5;color:#166534;font-size:15px;border:1px solid #bbf7d0}.branch-tree-section.main-branch>h3{background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe}.empty-tree{padding:16px;color:#64748b;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:14px}.spouse-line{font-weight:600;color:#7c3aed!important}.person-card.family-head{box-shadow:0 12px 30px rgba(22,101,52,.18);border-color:#86efac}.tree-level>li[data-branch]{vertical-align:top}@media(max-width:760px){.inline-form{width:100%}.inline-form select{width:100%}.branch-tree-section{padding:14px 8px;margin-bottom:20px;border-radius:14px}.branch-tree-section>h3{font-size:14px}.tree-note{font-size:12px}.branch-canvas{padding:10px!important}}
@media print{.branch-tree-section{break-inside:avoid;page-break-inside:avoid;border:0;background:#fff;margin-bottom:18mm}.branch-tree-section>h3{border:1px solid #ddd;background:#fff;color:#111}.tree-note{display:none!important}}

/* === ENTERPRISE TREE FULL + BRANCH LINES UI 2026.06.29 === */
.tree-canvas{background:radial-gradient(circle at top left,#f0fdf4 0,#ffffff 34%,#f8fafc 100%);border:1px solid #dbe7df;box-shadow:inset 0 1px 0 rgba(255,255,255,.8);}
.tree-legend{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 14px;font-size:12px;color:#475569}.tree-legend span{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid #e2e8f0;border-radius:999px;padding:6px 10px;font-weight:800}.tree-legend i{width:24px;height:3px;border-radius:999px;display:inline-block}.legend-parent{background:#2563eb}.legend-spouse{background:#dc2626}.legend-head{background:#16a34a}.branch-desc{margin:-6px 0 18px;color:#64748b;font-size:13px}.full-tree-section,.selected-branch{border:1px solid #dbe7df!important;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(248,253,250,.96))!important;box-shadow:0 14px 34px rgba(15,23,42,.06)}.full-tree-section>h3,.selected-branch>h3{font-size:16px!important;padding:9px 14px!important;box-shadow:0 8px 18px rgba(15,23,42,.05)}
.genealogy-level{gap:26px;padding-top:40px}.genealogy-level .genealogy-level{padding-top:38px}.tree-node{position:relative;padding:0 12px 0}.tree-node>.person-card,.tree-node>.couple-box{z-index:2}.couple-box{display:flex;align-items:center;justify-content:center;gap:0;position:relative;z-index:2}.couple-box .person-card{width:180px;min-height:118px}.marriage-line{width:58px;height:3px;background:linear-gradient(90deg,#ef4444,#f97316);position:relative;box-shadow:0 0 0 4px #fff}.marriage-line span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;border:1px solid #fecaca;color:#dc2626;border-radius:999px;width:26px;height:26px;display:grid;place-items:center;font-size:12px;box-shadow:0 6px 14px rgba(220,38,38,.12)}.children-connector{height:24px;display:flex;justify-content:center;align-items:stretch;position:relative}.children-connector i{display:block;width:3px;background:linear-gradient(#2563eb,#60a5fa);border-radius:999px}.spouse-name-line{display:flex;justify-content:center;margin:8px 0 0}.spouse-name-line span{display:inline-flex;align-items:center;gap:5px;background:#fff1f2;border:1px solid #fecdd3;color:#be123c;border-radius:999px;font-size:12px;font-weight:800;padding:5px 9px}.person-card{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.person-card:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,23,42,.12);border-color:#86efac}.person-card.family-head{background:linear-gradient(180deg,#fff,#f0fdf4);outline:2px solid #bbf7d0}.person-card.family-head:after{content:'Trưởng';position:absolute;top:8px;right:8px;font-size:10px;font-weight:900;color:#166534;background:#dcfce7;border:1px solid #bbf7d0;border-radius:999px;padding:3px 6px}.tree-level li:before{border-color:#60a5fa!important}.tree-level .tree-level:before{border-color:#60a5fa!important}.tree-level>li:only-child:before{display:none}.branch-tree-section{overflow:visible}.print-area h2{display:flex;align-items:center;gap:8px}.print-area h2:before{content:'🌳'}
@media(max-width:760px){.genealogy-level{gap:16px;padding-top:30px}.couple-box{flex-direction:row}.couple-box .person-card{width:148px}.marriage-line{width:34px}.person-card{width:150px!important;padding:10px}.person-card .avatar{width:48px;height:48px}.tree-legend{gap:6px}.tree-legend span{font-size:11px;padding:5px 8px}.branch-desc{font-size:12px}.children-connector{height:18px}.tree-node{padding:0 6px}.tree-canvas{overscroll-behavior:contain;-webkit-overflow-scrolling:touch}}
@media print{.tree-legend{display:none!important}.full-tree-section,.selected-branch{box-shadow:none!important;border:0!important;background:#fff!important}.couple-box .person-card{width:170px}.marriage-line{print-color-adjust:exact;-webkit-print-color-adjust:exact}.children-connector i{print-color-adjust:exact;-webkit-print-color-adjust:exact}.person-card{box-shadow:none!important}}
/* Branch spouse/parent context update */
.person-card.context-spouse,.person-card.context-parent{background:linear-gradient(180deg,#fff,#fffbeb);border-style:dashed}.person-card.context-spouse:before{content:'Phối ngẫu';position:absolute;left:8px;top:8px;font-size:10px;font-weight:900;color:#9a3412;background:#ffedd5;border:1px solid #fed7aa;border-radius:999px;padding:3px 6px}.person-card.context-parent:before{content:'Cấp trên';position:absolute;left:8px;top:8px;font-size:10px;font-weight:900;color:#1d4ed8;background:#dbeafe;border:1px solid #bfdbfe;border-radius:999px;padding:3px 6px}.selected-branch .couple-box{padding:10px 14px;border-radius:24px;background:rgba(255,255,255,.78);box-shadow:0 12px 32px rgba(15,23,42,.06)}.selected-branch .marriage-line{height:4px;width:72px;background:linear-gradient(90deg,#dc2626,#f59e0b,#dc2626)}.selected-branch .children-connector{height:32px}.selected-branch .children-connector:after{content:'';position:absolute;bottom:0;left:50%;width:18px;height:18px;transform:translateX(-50%);border-radius:50%;background:#dbeafe;border:3px solid #60a5fa}.full-tree-section .tree-level{gap:30px}.branch-tree-section .branch-desc{max-width:980px;color:#64748b}.genealogy-level>li:only-child>.couple-box:after{content:'';position:absolute;left:50%;bottom:-24px;width:0;height:24px;border-left:3px solid #60a5fa;display:none}.genealogy-level>li:only-child:has(.genealogy-level)>.couple-box:after{display:block}@media(max-width:760px){.selected-branch .marriage-line{width:38px}.selected-branch .couple-box{padding:8px 10px}.person-card.context-spouse:before,.person-card.context-parent:before{font-size:9px;padding:2px 5px}.full-tree-section .tree-level{gap:16px}}

/* === PWA / SEO SHARE / GUIDE / PDF 2026.08.25 === */
.app-install-prompt{position:fixed;right:18px;bottom:18px;z-index:1500;width:min(520px,calc(100vw - 36px));display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;background:#fff;border:1px solid #bbf7d0;border-radius:18px;box-shadow:0 18px 48px rgba(15,23,42,.18)}.app-install-prompt[hidden]{display:none!important}.app-install-prompt>div:first-child{display:grid;gap:3px}.app-install-prompt b{color:#14532d}.app-install-prompt span{font-size:12px;color:#64748b;line-height:1.45}.app-install-actions{display:flex;gap:8px;flex:0 0 auto}.app-install-actions button{min-height:38px;padding:8px 11px;font-size:13px}.social-share{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:14px 0}.share-btn{min-height:38px!important;padding:8px 12px!important;border-radius:999px!important;font-size:13px!important;font-weight:800!important;border:1px solid #d0d5dd!important;background:#fff!important;color:#344054!important;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.share-btn.facebook{color:#1d4ed8!important;border-color:#bfdbfe!important}.share-btn.zalo{color:#0369a1!important;border-color:#bae6fd!important}.share-btn.x{color:#111827!important}.share-btn:hover{background:#f8fafc!important}.public-actions{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:12px 0 18px}.privacy-note{font-size:12px;color:#64748b;background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:9px 11px}.guide-book{max-width:1050px;margin:0 auto}.guide-cover{background:linear-gradient(135deg,#14532d,#166534 55%,#22c55e);color:#fff;border-radius:26px;padding:38px;box-shadow:0 24px 60px rgba(20,83,45,.24);margin-bottom:18px}.guide-cover h1{font-size:34px;margin-bottom:10px}.guide-cover p{max-width:760px;color:#dcfce7;line-height:1.7}.book-shell{background:#e8eee9;border-radius:24px;padding:14px;box-shadow:0 18px 45px rgba(15,23,42,.12)}.book-page{display:none;background:#fff;min-height:560px;border-radius:18px;padding:34px;box-shadow:inset 0 0 0 1px #e5e7eb}.book-page.active{display:block}.book-page h2{font-size:27px;color:#14532d}.book-page h3{margin-top:24px}.book-page p,.book-page li{line-height:1.75}.book-step{display:grid;grid-template-columns:44px 1fr;gap:13px;align-items:start;margin:15px 0;padding:13px;border:1px solid #e2e8f0;border-radius:14px;background:#fbfdfb}.book-step b:first-child{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#dcfce7;color:#166534}.book-nav{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}.book-nav .page-count{font-weight:800;color:#64748b}.book-toc{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}.book-toc button{justify-content:flex-start;background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.pdf-page{background:#fff!important}.pdf-top{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:16px}.pdf-meta{font-size:12px;color:#64748b}.pdf-instruction{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:10px 12px;border-radius:12px;margin-bottom:14px}.print-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.private-contact{user-select:text}.no-google-snippet{-webkit-user-select:text;user-select:text}
@media(max-width:700px){.app-install-prompt{left:10px;right:10px;bottom:84px;width:auto;align-items:stretch;flex-direction:column}.app-install-actions{width:100%}.app-install-actions button{flex:1;width:auto!important}.guide-cover{padding:24px 18px}.guide-cover h1{font-size:27px}.book-page{min-height:520px;padding:22px 16px}.book-toc{grid-template-columns:1fr}.book-nav{align-items:stretch}.book-nav button{width:auto!important;flex:1}.pdf-top{display:block}}
@media print{.app-install-prompt,.social-share,.pdf-instruction,.print-toolbar,.book-nav{display:none!important}.pdf-page{padding:0!important}.print-area{width:max-content;min-width:100%}.tree-canvas{border:0!important}.guide-cover,.book-shell{box-shadow:none!important}}