/* LALALAY — giao diện. Đổi màu thương hiệu ở :root */
:root {
  --bg: #14110f; --bg2: #1d1916; --card: #241f1b; --line: #3a322b;
  --ink: #f4ede4; --muted: #a89c8e; --accent: #e8b26a; --accent-ink: #1a140e;
  --ok: #7fc59a; --warn: #e8b26a; --info: #7fb2e5; --err: #e5867f;
  --ph1: #3b2f27; --ph2: #6b5440;
  --r: 14px; --font: "Be Vietnam Pro", system-ui, sans-serif; --top: 64px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 15px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 600; line-height: 1.15; letter-spacing: -.01em; }
h1 { font-size: clamp(36px, 6vw, 72px); font-weight: 300; }
h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 300; }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
.eyebrow { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; font-weight: 500; }
.muted { color: var(--muted); } .small { font-size: 13px; } .center { text-align: center; } .nowrap { white-space: nowrap; }
.err { color: var(--err); font-size: 13px; min-height: 1em; margin: 6px 0 0; }

/* header */
.top { position: fixed; inset: 0 0 auto; height: var(--top); z-index: 50; display: flex; align-items: center; gap: 24px; padding: 0 24px;
  background: linear-gradient(to bottom, rgba(20,17,15,.92), rgba(20,17,15,.6)); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,.06); }
.brand { font-weight: 700; letter-spacing: .3em; text-decoration: none; font-size: 15px; }
#nav { display: flex; gap: 4px; flex: 1; }
#nav a { text-decoration: none; padding: 8px 12px; border-radius: 999px; font-size: 14px; color: var(--muted); transition: .2s; }
#nav a:hover, #nav a.active { color: var(--ink); background: rgba(255,255,255,.06); }
#nav a.locked::after { content: " 🔒"; font-size: 10px; opacity: .6; }
#nav a.admin-link { color: var(--accent); }
.acc-chip { text-decoration: none; font-size: 13px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; }
.burger { display: none; background: none; border: 0; color: var(--ink); font-size: 22px; cursor: pointer; }
main { min-height: calc(100vh - 60px); }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 24px; border-top: 1px solid var(--line); }
body[data-route="home"] .foot, body[data-route="welcome"] .foot { border: 0; }

/* buttons & forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink); font: 500 14px var(--font); text-decoration: none; cursor: pointer; transition: transform .15s, opacity .2s; }
.btn:hover { transform: translateY(-1px); } .btn:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: rgba(255,255,255,.22); }
.btn.sm { padding: 6px 12px; font-size: 13px; } .btn.lg { padding: 14px 28px; font-size: 15px; } .btn.block { width: 100%; }
.btn.zalo { background: #0068ff; border-color: #0068ff; color: #fff; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin: 16px 0; }
.row.center { justify-content: center; } .row.end { justify-content: flex-end; } .row.between { justify-content: space-between; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.form label.check { display: flex; align-items: center; gap: 8px; color: var(--ink); }
input, select, textarea { width: 100%; padding: 11px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg2); color: var(--ink); font: 15px var(--font); }
input[type=checkbox] { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.or { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; margin: 18px 0; }
.or::before, .or::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* layout */
.page { max-width: 980px; margin: 0 auto; padding: calc(var(--top) + 40px) 20px 60px; }
.page.wide { max-width: 1240px; } .page.narrow { max-width: 480px; }
.page.center { text-align: center; min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); }
.card.pad { padding: 22px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0; }
.empty { padding: 36px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--r); }
.spinner { width: 28px; height: 28px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* welcome */
.welcome { min-height: 100vh; display: grid; place-items: center; text-align: center; background-size: cover; background-position: center; position: relative; padding: 0 20px; }
.welcome::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(20,17,15,.35), rgba(20,17,15,.85)); }
.welcome-inner { position: relative; animation: rise 1s ease both; }
.display { font-size: clamp(56px, 12vw, 140px); font-weight: 200; letter-spacing: .18em; margin: 0; }
.welcome .sub { letter-spacing: .3em; font-size: 12px; color: var(--muted); }
.welcome .tagline { font-size: 22px; font-weight: 300; margin: 18px 0 30px; }
.welcome .caption { font-size: 11px; color: var(--muted); margin-top: 40px; }
@keyframes rise { from { opacity: 0; transform: translateY(20px); } }

/* presentation deck */
.deck { scroll-snap-type: y mandatory; }
.chapter { min-height: 100vh; position: relative; display: flex; align-items: flex-end; scroll-snap-align: start; overflow: hidden; background-size: cover; background-position: center; }
.chapter::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,17,15,.92) 10%, rgba(20,17,15,.15) 70%); z-index: 1; pointer-events: none; }
.chapter-inner { position: relative; z-index: 2; padding: 0 6vw 12vh; max-width: 760px; opacity: 0; transform: translateY(24px); transition: 0.8s ease; }
.chapter-inner.wide { max-width: 1200px; width: 100%; }
.chapter.seen .chapter-inner, .slide.on .chapter-inner { opacity: 1; transform: none; }
.chapter .lead { font-size: 20px; font-weight: 300; color: #e3d8ca; }
.slide { position: absolute; inset: 0; background-size: cover; background-position: center; display: flex; align-items: flex-end; opacity: 0; transition: opacity .8s; }
.slide::before { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,17,15,.92) 10%, rgba(20,17,15,.15) 70%); }
.slide.on { opacity: 1; z-index: 1; }
.slide-nav { position: absolute; right: 6vw; bottom: 12vh; z-index: 3; display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--muted); }
.slide-nav button { width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: rgba(0,0,0,.3); color: var(--ink); font-size: 20px; cursor: pointer; }
.chapter-note { position: absolute; left: 6vw; bottom: 4vh; z-index: 3; font-size: 10px; letter-spacing: .2em; color: var(--muted); margin: 0; }
.chapter.gallery, .chapter.video, .chapter.cta-end { align-items: center; background: var(--bg); }
.chapter.gallery::before, .chapter.video::before, .chapter.cta-end::before { display: none; }
.chapter.cta-end .chapter-inner { margin: 0 auto; text-align: center; padding-bottom: 0; }
.gal { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; gap: 12px; height: 62vh; }
.gal figure { margin: 0; border-radius: var(--r); background-size: cover; background-position: center; position: relative; cursor: zoom-in; overflow: hidden; }
.gal figure:first-child { grid-row: span 2; }
.gal figcaption { position: absolute; left: 14px; bottom: 12px; font-size: 12px; color: var(--ink); text-shadow: 0 1px 6px #000; }
.video-box { aspect-ratio: 16/9; border-radius: var(--r); overflow: hidden; background: var(--card); }
.video-box iframe { width: 100%; height: 100%; border: 0; }
.video-box.empty { display: grid; place-items: center; color: var(--muted); }
.dots { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); display: grid; gap: 10px; z-index: 40; }
.dots a { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.3); cursor: pointer; transition: .2s; }
.dots a.on { background: var(--accent); transform: scale(1.4); }

/* journey */
.steps { list-style: none; display: flex; gap: 6px; padding: 0; margin: 0 0 36px; flex-wrap: wrap; }
.steps li a { display: block; text-decoration: none; padding: 6px 14px; border-radius: 999px; font-size: 13px; color: var(--muted); border: 1px solid var(--line); }
.steps li.on a { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.steps li.done a { color: var(--ink); }
.pick { padding: 16px; text-align: left; cursor: pointer; display: grid; gap: 4px; color: var(--ink); font: inherit; transition: .2s; }
.pick:hover { border-color: var(--muted); } .pick.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pick span { color: var(--muted); font-size: 13px; }
.pick-img { aspect-ratio: 4/3; border-radius: 10px; background-size: cover; background-position: center; margin-bottom: 10px; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0 28px; }
.summary div { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; }
.summary span { display: block; font-size: 12px; color: var(--muted); }
.done-box { background: var(--card); border: 1px solid var(--ok); border-radius: var(--r); padding: 24px; max-width: 480px; }
.journey-bar { margin-top: 32px; }

/* status, tags, kv */
.tag { display: inline-block; font-size: 11px; padding: 2px 9px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.tag.ok { color: var(--ok); } .tag.warn { color: var(--warn); } .tag.info { color: var(--info); } .tag.err { color: var(--err); } .tag.muted { color: var(--muted); }
.status-box { border-radius: var(--r); padding: 16px 18px; border: 1px solid var(--line); background: var(--card); margin: 16px 0; }
.status-box p { margin: 4px 0 0; color: var(--muted); }
.s-approved { border-color: var(--ok); } .s-pending { border-color: var(--warn); } .s-rejected, .s-disabled { border-color: var(--err); }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 8px 16px; margin: 16px 0; }
.kv dt { color: var(--muted); font-size: 13px; } .kv dd { margin: 0; }
.legend { display: flex; gap: 6px; flex-wrap: wrap; }

/* inventory */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.filters > * { width: auto; min-width: 160px; flex: 1; }
.tower-block { margin: 24px 0; }
.floors { display: grid; gap: 6px; overflow-x: auto; }
.floor { display: flex; gap: 6px; align-items: center; }
.fl { width: 42px; flex: none; font-size: 12px; color: var(--muted); }
.unit { min-width: 76px; padding: 8px 6px; border-radius: 8px; font: 500 12px var(--font); cursor: pointer; border: 1px solid; background: transparent; }
.unit.ok { color: var(--ok); background: rgba(127,197,154,.1); } .unit.warn { color: var(--warn); background: rgba(232,178,106,.12); }
.unit.info { color: var(--info); background: rgba(127,178,229,.1); } .unit.muted { color: var(--muted); opacity: .6; }
.layout-img { aspect-ratio: 4/3; background-size: contain; background-repeat: no-repeat; background-position: center; border-radius: 10px; background-color: #fff1; margin-top: 12px; }

/* documents & timeline */
.doc-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; margin-bottom: 28px; }
.doc { display: grid; gap: 4px; text-decoration: none; padding: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); transition: .2s; }
.doc:hover { border-color: var(--accent); } .doc span { color: var(--muted); font-size: 13px; } .doc i { color: var(--accent); font-style: normal; font-size: 12px; }
.timeline { list-style: none; padding: 0 0 0 22px; border-left: 1px solid var(--line); }
.timeline li { position: relative; margin-bottom: 30px; }
.timeline li::before { content: ""; position: absolute; left: -28px; top: 6px; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }
.timeline time { font-size: 12px; color: var(--accent); }
.tl-img { aspect-ratio: 16/9; max-width: 560px; border-radius: var(--r); background-size: cover; background-position: center; }

/* tables & admin */
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 12px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl small { color: var(--muted); } .tbl tr.dim { opacity: .55; } .tbl select { width: auto; padding: 5px 8px; font-size: 13px; }
.card .tbl, #pane { overflow-x: auto; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; }
.tabs a { text-decoration: none; padding: 10px 14px; font-size: 14px; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.on { color: var(--ink); border-bottom-color: var(--accent); }
.badge:not(:empty) { background: var(--err); color: #fff; font-size: 11px; border-radius: 999px; padding: 1px 7px; margin-left: 6px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; margin-bottom: 12px; }
.seg a { text-decoration: none; padding: 5px 14px; border-radius: 999px; font-size: 13px; color: var(--muted); }
.seg a.on { background: var(--accent); color: var(--accent-ink); }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-bottom: 28px; }
.stat { text-decoration: none; background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; display: grid; gap: 2px; }
.stat b { font-size: 32px; font-weight: 300; } .stat span { color: var(--muted); font-size: 13px; } .stat.warn { border-color: var(--warn); }
.li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.li small { color: var(--muted); }
code { font-size: 12px; color: var(--accent); }

/* modal & toast */
.modal-wrap { position: fixed; inset: 0; background: rgba(0,0,0,.7); z-index: 100; display: grid; place-items: center; padding: 20px; animation: fade .2s; }
.modal { background: var(--bg2); border: 1px solid var(--line); border-radius: 18px; padding: 26px; width: 100%; max-width: 460px; max-height: 90vh; overflow: auto; position: relative; }
.modal.wide { max-width: 960px; }
.modal-x { position: absolute; top: 10px; right: 14px; background: none; border: 0; color: var(--muted); font-size: 26px; cursor: pointer; }
.lightbox { aspect-ratio: 16/9; background-size: contain; background-repeat: no-repeat; background-position: center; border-radius: 10px; }
.proof { max-width: 100%; border-radius: 10px; display: block; margin: 0 auto; }
@keyframes fade { from { opacity: 0; } }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; background: var(--card); border: 1px solid var(--line); padding: 12px 20px; border-radius: 999px; z-index: 200; transition: .3s; font-size: 14px; max-width: 90vw; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.ok { border-color: var(--ok); } .toast.err { border-color: var(--err); }

/* mobile */
@media (max-width: 860px) {
  .burger { display: block; margin-left: auto; order: 2; }
  #account { order: 1; margin-left: auto; }
  #nav { position: fixed; top: var(--top); left: 0; right: 0; flex-direction: column; background: var(--bg2); padding: 12px; border-bottom: 1px solid var(--line); display: none; }
  body.menu-open #nav { display: flex; }
  .top { gap: 12px; padding: 0 16px; }
  .cols, .grid3 { grid-template-columns: 1fr; }
  .summary { grid-template-columns: 1fr 1fr; }
  .gal { grid-template-columns: 1fr; grid-template-rows: none; height: auto; }
  .gal figure { aspect-ratio: 4/3; } .gal figure:first-child { grid-row: auto; }
  .dots { display: none; }
  .slide-nav { right: 16px; bottom: 4vh; }
  .chapter-inner { padding: 0 20px 16vh; }
  .kv { grid-template-columns: 1fr; gap: 2px; } .kv dd { margin-bottom: 8px; }
  .page { padding-left: 16px; padding-right: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }

/* v2: đăng ký chọn vai trò, bảng hàng theo nhóm tầng */
.seg-pick { border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; display: flex; gap: 18px; flex-wrap: wrap; margin: 0; }
.seg-pick legend { font-size: 12px; color: var(--muted); padding: 0 6px; }
.seg-pick label { display: flex !important; align-items: center; gap: 8px; color: var(--ink) !important; font-size: 15px !important; cursor: pointer; }
.seg-pick input { width: auto; accent-color: var(--accent); }
.floor { flex-wrap: wrap; }
.unit { display: grid; gap: 2px; min-width: 120px; padding: 10px; text-align: left; }
.unit small { font-weight: 400; opacity: .8; font-size: 11px; }
button.stat { font: inherit; color: inherit; cursor: pointer; text-align: left; }
details summary { cursor: pointer; color: var(--accent); margin: 6px 0; }
.form [hidden] { display: none !important; }
[data-sales] { display: grid; gap: 14px; }

/* ===== Phân quyền: công tắc Active / Inactive ===== */
.switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 12px; user-select: none; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch span { width: 38px; height: 22px; border-radius: 999px; background: var(--line); position: relative; transition: .2s; flex: none; }
.switch span::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: .2s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::after { left: 19px; }
.switch em { font-style: normal; font-weight: 600; color: var(--muted); }
.switch input:checked ~ em { color: var(--ok); }
.perms { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: grid; gap: 6px; margin: 0; }
.perms legend { font-size: 13px; font-weight: 600; padding: 0 6px; }
.perms[hidden] { display: none !important; }

/* ===== Tông màu dự án LALALAY (đất nung · kem) — thay nền đen ===== */
:root {
  --bg: #f4e9dd; --bg2: #fffaf4; --card: #fffdf9; --line: #e6d3c1;
  --ink: #2e1b12; --muted: #8a6a57; --accent: #a94328; --accent-ink: #fff;
  --ok: #2f7d4f; --warn: #b8730f; --info: #2d6aa6; --err: #c0392b;
  --terra: #a94328; --terra2: #c8694f; --forest: #283626;
}
body { background: radial-gradient(1200px 600px at 85% -10%, rgba(200,105,79,.22), transparent 60%),
  radial-gradient(900px 500px at -10% 110%, rgba(40,54,38,.12), transparent 60%), var(--bg); background-attachment: fixed; }
.top { background: linear-gradient(90deg, rgba(169,67,40,.96), rgba(200,105,79,.94)); border-bottom: 0; box-shadow: 0 6px 24px rgba(91,42,27,.18); color: #fff; }
.top .brand, .top .burger { color: #fff; }
#nav a { color: rgba(255,255,255,.82); }
#nav a:hover, #nav a.active { color: #fff; background: rgba(255,255,255,.18); }
#nav a.admin-link { color: #ffe2c6; }
.acc-chip { border-color: rgba(255,255,255,.55); color: #fff; }
.btn.ghost { border-color: rgba(46,27,18,.22); color: var(--ink); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
input, select, textarea { background: #fff; }
.card, .stat, .doc, .status-box, .summary div, .done-box { box-shadow: 0 2px 10px rgba(91,42,27,.06); }
.foot { border-top-color: var(--line); }
.modal-wrap { background: rgba(46,27,18,.55); }
.unit.ok { background: rgba(47,125,79,.09); } .unit.warn { background: rgba(184,115,15,.1); } .unit.info { background: rgba(45,106,166,.09); }
.layout-img { background-color: #f2e4d6; }
.dots a { background: rgba(46,27,18,.25); }
@media (max-width: 860px) { body.menu-open #nav { background: linear-gradient(180deg, #a94328, #c8694f); } }