/* Sổ tay xây nhà — design tokens từ chuyenxaynha-app.tsx
   ink #14273B · paper #F6F7F5 · accent #F2A900 · fs #6D4C9F */
:root {
  --ink: #14273B; --paper: #F6F7F5; --accent: #F2A900;
  --line: #C9D2D8; --ok: #2E7D5B; --warn: #C04F32;
  --sub: #5B6B78; --fs: #6D4C9F; --edit: #2B5BB7;
  --display: "Bricolage Grotesque", sans-serif;
  --body: "Be Vietnam Pro", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { background: #E7EAE8; font-family: var(--body); color: var(--ink); line-height: 1.55; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 1rem; }
a { text-decoration: none; color: inherit; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

.boot { padding: 4rem 1rem; text-align: center; color: var(--sub); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px 80px; }

/* ===== Header ===== */
.topbar { background: var(--ink); color: #fff; padding: 14px 0; position: sticky; top: 0; z-index: 20; }
.topbar .wrap { display: flex; align-items: center; gap: 12px; padding-bottom: 0; }
.brand { font-family: var(--display); font-weight: 800; font-size: 1.15rem; letter-spacing: .2px; display: flex; align-items: center; gap: 8px; }
.brand small { font-weight: 500; font-size: .72rem; color: #B9C6D2; display: block; letter-spacing: .4px; }
.topbar .spacer { flex: 1; }
.topbar .userchip { font-size: .85rem; color: #D8E0E7; }
.btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.35); padding: 6px 14px; border-radius: 99px; font-size: .85rem; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

/* ===== Buttons / forms ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: var(--ink); font-weight: 700; padding: 12px 22px;
  border-radius: 12px; font-size: .95rem; transition: filter .15s; }
.btn:hover { filter: brightness(1.06); }
.btn.block { width: 100%; }
.btn-line { background: none; border: 1.5px solid var(--line); color: var(--ink); font-weight: 600;
  padding: 10px 18px; border-radius: 12px; font-size: .9rem; }
.btn-line:hover { border-color: var(--ink); }
.btn-danger { color: var(--warn); font-size: .82rem; font-weight: 600; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .82rem; font-weight: 600; color: var(--sub); margin-bottom: 5px; }
.field input, .field select, .field textarea { width: 100%; padding: 11px 13px; border: 1.5px solid var(--line);
  border-radius: 10px; background: #fff; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.formerr { background: #FBEAE4; color: var(--warn); border-radius: 10px; padding: 10px 13px;
  font-size: .87rem; margin-bottom: 14px; display: none; }
.formerr.show { display: block; }

/* ===== Auth ===== */
.auth { max-width: 420px; margin: 6vh auto 0; animation: rise .35s ease; }
.auth .hero { text-align: center; margin-bottom: 26px; }
.auth .hero h1 { font-family: var(--display); font-weight: 800; font-size: 1.9rem; line-height: 1.2; }
.auth .hero p { color: var(--sub); margin-top: 8px; font-size: .93rem; }
.card { background: var(--paper); border-radius: 18px; padding: 24px; box-shadow: 0 2px 14px rgba(20,39,59,.07); }
.authswitch { text-align: center; margin-top: 16px; font-size: .88rem; color: var(--sub); }
.authswitch button { color: var(--edit); font-weight: 700; font-size: .88rem; }

/* ===== Projects ===== */
.pagehead { display: flex; align-items: center; gap: 12px; margin: 26px 0 16px; flex-wrap: wrap; }
.pagehead h2 { font-family: var(--display); font-weight: 800; font-size: 1.4rem; flex: 1; }
.projgrid { display: grid; gap: 14px; }
.projcard { background: var(--paper); border-radius: 16px; padding: 18px 20px; display: block;
  box-shadow: 0 2px 10px rgba(20,39,59,.06); animation: rise .3s ease; transition: transform .12s; }
.projcard:hover { transform: translateY(-2px); }
.projcard h3 { font-family: var(--display); font-weight: 700; font-size: 1.08rem; }
.projcard .addr { color: var(--sub); font-size: .85rem; margin-top: 2px; }
.projbar { height: 8px; background: #E2E7E4; border-radius: 99px; margin-top: 12px; overflow: hidden; }
.projbar i { display: block; height: 100%; background: var(--ok); border-radius: 99px; transition: width .4s; }
.projmeta { display: flex; justify-content: space-between; font-size: .78rem; color: var(--sub); margin-top: 6px; }
.empty { text-align: center; color: var(--sub); padding: 40px 10px; font-size: .93rem; }

/* ===== Project detail ===== */
.crumb { margin: 18px 0 4px; font-size: .85rem; color: var(--sub); }
.crumb button { color: var(--edit); font-weight: 600; font-size: .85rem; }
.projtitle { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.projtitle h2 { font-family: var(--display); font-weight: 800; font-size: 1.5rem; }
.projtitle .addr { color: var(--sub); font-size: .88rem; }
.totalline { font-size: .85rem; color: var(--sub); margin-bottom: 14px; }
.totalline b { color: var(--ok); }

.tabs { display: flex; gap: 8px; margin: 10px 0 18px; overflow-x: auto; padding-bottom: 4px; }
.tab { white-space: nowrap; padding: 9px 16px; border-radius: 99px; font-weight: 600; font-size: .88rem;
  background: #fff; color: var(--sub); border: 1.5px solid var(--line); }
.tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.tab.on.fs { background: var(--fs); border-color: var(--fs); }

/* ===== Stage / section cards ===== */
.stage { background: var(--paper); border-radius: 16px; margin-bottom: 12px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(20,39,59,.06); animation: rise .3s ease; }
.stagehead { width: 100%; display: flex; align-items: center; gap: 12px; padding: 15px 18px; text-align: left; }
.stagenum { min-width: 34px; height: 34px; border-radius: 10px; background: var(--ink); color: var(--accent);
  font-family: var(--display); font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: .95rem; }
.stagenum.done { background: var(--ok); color: #fff; }
.stagenum.icon { background: #EDE9F5; font-size: 1.1rem; }
.stagehead .ti { flex: 1; }
.stagehead h3 { font-family: var(--display); font-weight: 700; font-size: 1.02rem; color: var(--ink); }
.stagehead .dur { font-size: .76rem; color: var(--sub); }
.stagecount { font-size: .8rem; font-weight: 700; color: var(--sub); }
.stagecount.full { color: var(--ok); }
.chev { color: var(--sub); transition: transform .2s; font-size: .8rem; }
.stage.open .chev { transform: rotate(180deg); }
.stagebody { display: none; padding: 2px 18px 16px; }
.stage.open .stagebody { display: block; }

.checkitem { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid #E4E9E6; }
.checkbox { min-width: 24px; height: 24px; margin-top: 2px; border-radius: 7px; border: 2px solid var(--line);
  background: #fff; display: flex; align-items: center; justify-content: center; font-size: .8rem; color: #fff; transition: all .15s; }
.checkitem.done .checkbox { background: var(--ok); border-color: var(--ok); }
.checkitem .cbody { flex: 1; }
.checkitem .ct { font-weight: 600; font-size: .93rem; cursor: pointer; }
.checkitem.done .ct { color: var(--sub); text-decoration: line-through; text-decoration-color: rgba(91,107,120,.5); }
.checkitem .cd { font-size: .84rem; color: var(--sub); margin-top: 3px; }
.notebtn { font-size: .76rem; color: var(--edit); font-weight: 600; margin-top: 6px; }
.notebox { display: none; margin-top: 8px; }
.notebox.show { display: block; }
.notebox textarea { width: 100%; min-height: 64px; padding: 9px 11px; border: 1.5px solid var(--line);
  border-radius: 9px; font-size: .85rem; resize: vertical; }
.notesaved { font-size: .72rem; color: var(--ok); margin-top: 3px; min-height: 1em; }
.notepreview { margin-top: 6px; font-size: .8rem; color: var(--edit); background: #EDF2FB;
  border-radius: 8px; padding: 7px 10px; white-space: pre-wrap; }

.stagenote { margin-top: 12px; background: #FCF3DC; border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0; padding: 10px 14px; font-size: .84rem; }
.stagenote b { font-family: var(--display); }
.stage.fs-theme .stagenote { background: #F0EBF8; border-left-color: var(--fs); }

/* ===== Cung mệnh ===== */
.fscard { background: linear-gradient(135deg, #2A1E45, #4A3670); color: #fff; border-radius: 16px;
  padding: 20px; margin-bottom: 14px; animation: rise .3s ease; }
.fscard h3 { font-family: var(--display); font-weight: 800; font-size: 1.05rem; margin-bottom: 4px; }
.fscard p { font-size: .84rem; color: #CFC6E4; }
.fsresult { margin-top: 14px; background: rgba(255,255,255,.1); border-radius: 12px; padding: 14px 16px; font-size: .88rem; }
.fsresult b { color: var(--accent); }
.fsresult .cungname { font-family: var(--display); font-size: 1.3rem; font-weight: 800; color: #fff; }
.fsrow { display: flex; gap: 10px; margin-top: 12px; }
.fsrow input, .fsrow select { flex: 1; padding: 10px 12px; border-radius: 10px; border: none; }
.fsrow button { background: var(--accent); color: var(--ink); font-weight: 700; padding: 10px 18px; border-radius: 10px; }
.disclaimer { font-size: .78rem; color: var(--sub); margin: 14px 2px 0; }

/* ===== Toast ===== */
#toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--ink); color: #fff; padding: 11px 20px; border-radius: 99px; font-size: .87rem;
  transition: transform .25s; z-index: 50; box-shadow: 0 6px 20px rgba(20,39,59,.3); }
#toast.show { transform: translateX(-50%) translateY(0); }

/* ===== Modal ===== */
.modalback { position: fixed; inset: 0; background: rgba(20,39,59,.5); z-index: 40;
  display: flex; align-items: flex-start; justify-content: center; padding: 8vh 16px; overflow-y: auto; }
.modal { background: var(--paper); border-radius: 18px; padding: 24px; width: 100%; max-width: 440px; animation: rise .25s ease; }
.modal h3 { font-family: var(--display); font-weight: 800; font-size: 1.2rem; margin-bottom: 16px; }
.modal .row2 { display: flex; gap: 10px; }
.modal .row2 .field { flex: 1; }
.modalacts { display: flex; gap: 10px; margin-top: 6px; }
.modalacts .btn { flex: 1; }

footer { text-align: center; color: var(--sub); font-size: .78rem; padding: 30px 16px 40px; }
footer a { color: var(--edit); font-weight: 600; }

@media (max-width: 520px) {
  .auth { margin-top: 3vh; }
  .projtitle h2 { font-size: 1.25rem; }
  .modal .row2 { flex-direction: column; gap: 0; }
}

/* ===== v2: info card, timeline, photos, share ===== */
.projacts { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 10px; }
.btn-line.sm { padding: 6px 13px; font-size: .8rem; }
.rolebadge { font-size: .68rem; font-weight: 600; color: var(--edit); background: #EDF2FB;
  border-radius: 99px; padding: 2px 9px; vertical-align: middle; }
.infocard .stagebody { padding-top: 8px; }
.infogrid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 18px; }
.inforow { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0;
  border-top: 1px solid #E4E9E6; font-size: .86rem; }
.inforow span { color: var(--sub); }
.inforow b { text-align: right; }
.tldate { color: var(--edit); font-weight: 600; }
.tldate.overdue { color: var(--warn); }
.donedate { font-size: .75rem; color: var(--ok); margin-top: 3px; font-weight: 600; }
.notedate { color: var(--sub); font-weight: 400; font-size: .74rem; margin-left: 6px; }
.itemacts { display: flex; gap: 14px; }

/* photos */
.photowrap { display: none; margin-top: 8px; }
.photowrap.show { display: block; }
.photostrip { display: flex; gap: 8px; flex-wrap: wrap; }
.thumb { position: relative; width: 84px; }
.thumb img { width: 84px; height: 84px; object-fit: cover; border-radius: 10px; display: block; cursor: zoom-in; }
.thumbdel { position: absolute; top: -6px; right: -6px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--warn); color: #fff; font-size: .7rem; line-height: 1; box-shadow: 0 1px 4px rgba(0,0,0,.3); }
.thumbdate { display: block; font-size: .62rem; color: var(--sub); margin-top: 2px; text-align: center; }
.addphoto { width: 84px; height: 84px; border: 2px dashed var(--line); border-radius: 10px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--sub); font-size: 1.2rem; cursor: pointer; }
.addphoto span { font-size: .64rem; font-weight: 600; }
.addphoto:hover { border-color: var(--accent); color: var(--accent); }
.photomodal { max-width: 92vw; background: transparent; box-shadow: none; padding: 0; text-align: center; }
.fullphoto { max-width: 100%; max-height: 78vh; border-radius: 12px; }

/* timeline modal */
.modaldesc { font-size: .84rem; color: var(--sub); margin: -6px 0 14px; }
.modalsub { font-family: var(--display); font-weight: 700; font-size: .92rem; margin: 6px 0 10px; }
.tlrow { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 0; border-top: 1px solid #E4E9E6; }
.tlrow .tlname { font-size: .86rem; font-weight: 600; flex: 1; }
.tlrow .tlname small { color: var(--sub); font-weight: 400; }
.tlrow input { padding: 7px 9px; border: 1.5px solid var(--line); border-radius: 8px; font-size: .85rem; }

/* share modal */
.memrow { display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 9px 0; border-top: 1px solid #E4E9E6; }
.memrow span small { display: block; color: var(--sub); font-size: .76rem; }
.sharelink { display: flex; gap: 8px; }
.sharelink input { flex: 1; padding: 9px 11px; border: 1.5px solid var(--line); border-radius: 9px;
  font-size: .8rem; color: var(--sub); background: #fff; }
.row3 { display: flex; gap: 10px; }
.row3 .field { flex: 1; }
@media (max-width: 520px) {
  .infogrid { grid-template-columns: 1fr; }
  .row3 { flex-direction: column; gap: 0; }
}

/* ===== v3: banner, costs, journal, article links ===== */
.sysbanner { background: var(--accent); color: var(--ink); font-weight: 600; font-size: .86rem;
  text-align: center; padding: 8px 16px; }
.artlink { color: var(--edit); font-weight: 600; font-size: .8rem; white-space: nowrap; }
.artlink:hover { text-decoration: underline; }
.costtiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.ctile { background: var(--paper); border-radius: 14px; padding: 12px 14px; box-shadow: 0 2px 10px rgba(20,39,59,.06); }
.ctile span { display: block; font-size: .74rem; color: var(--sub); font-weight: 600; }
.ctile b { font-family: var(--display); font-size: 1.05rem; }
.ctile b.ok { color: var(--ok); }
.ctile b.warn { color: var(--warn); }
.costrow { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-top: 1px solid #E4E9E6; }
.costrow .cbody { flex: 1; }
.costrow .ct { font-weight: 600; font-size: .92rem; }
.costrow .cd { font-size: .78rem; color: var(--sub); }
.costrow.paid .ct { color: var(--sub); }
.costamt { font-family: var(--display); font-size: .95rem; white-space: nowrap; }
.costrow.paid .costamt { color: var(--ok); }
.warnbadge { color: var(--warn); background: #FBEAE4; }
.jline { display: flex; gap: 10px; padding: 9px 0; border-top: 1px solid #E4E9E6; align-items: flex-start; }
.jicon { font-size: 1rem; min-width: 24px; text-align: center; }
.jbody { flex: 1; font-size: .88rem; }
.jtime { color: var(--sub); font-size: .74rem; margin-left: 8px; }
.jdel { position: static; min-width: 22px; }
.jday .stagehead { padding-bottom: 6px; }