:root{
  --teal:#0d9488; --teal-d:#0f766e; --teal-l:#ccfbf1;
  --green:#16a34a; --red:#dc2626; --amber:#d97706;
  --bg:#f1f5f9; --card:#ffffff; --ink:#0f172a; --muted:#64748b;
  --line:#e2e8f0; --radius:16px; --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
  --maxw:1120px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg); color:var(--ink); font-size:16px; line-height:1.45;
  min-height:100vh; display:flex; flex-direction:column;
}
a{color:var(--teal-d);text-decoration:none}
h1,h2,h3{margin:0 0 .4em}

/* ============ TOP BAR + NAV (trên cùng) ============ */
.topbar{position:sticky;top:0;z-index:30;background:var(--teal);color:#fff;
  box-shadow:var(--shadow);padding-top:env(safe-area-inset-top)}
.topbar-inner{display:flex;align-items:center;gap:18px;
  max-width:var(--maxw);margin:0 auto;padding:10px 20px}
.brand{color:#fff;font-weight:700;font-size:1.1rem;white-space:nowrap;display:flex;align-items:center;gap:6px}

.mainnav{display:flex;align-items:center;gap:2px;flex:1;overflow-x:auto;scrollbar-width:none}
.mainnav::-webkit-scrollbar{display:none}
.mainnav .nav-item:last-child{margin-right:12px}
.nav-item{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
  color:rgba(255,255,255,.85);padding:7px 10px;border-radius:10px;font-size:.9rem;font-weight:500}
.nav-item:hover{background:rgba(255,255,255,.12);color:#fff}
.nav-item.active{background:#fff;color:var(--teal-d);font-weight:700}
.nav-ico{font-size:1.05rem;line-height:1}

.topbar-right{display:flex;align-items:center;gap:10px;white-space:nowrap;margin-left:auto}
.topbar-settings{font-size:1.15rem;line-height:1;opacity:.85;padding:4px;border-radius:8px;transition:opacity .15s}
.topbar-settings:hover{opacity:1;background:rgba(255,255,255,.15)}
.topbar-settings.active{background:rgba(255,255,255,.25);opacity:1}
.link-muted{color:rgba(255,255,255,.9);font-size:.85rem}
.link-muted:hover{color:#fff;text-decoration:underline}
.badge{background:rgba(255,255,255,.2);padding:4px 12px;border-radius:999px;font-size:.82rem}
.badge-guest{background:rgba(255,255,255,.12)}

/* Mobile: chỉ hiện menu, ẩn brand + user */
@media(max-width:760px){
  .brand{display:none}
  .topbar-right{display:none}
  .topbar-inner{padding:6px 10px}
  .mainnav{flex:1;gap:4px}
  .nav-item{padding:7px 11px;font-size:.85rem;background:rgba(255,255,255,.1)}
  .nav-item .nav-txt{display:inline}
}
@media(max-width:380px){
  .nav-item .nav-txt{display:none}
  .nav-item.active .nav-txt{display:inline}
  .nav-item{padding:8px 12px;font-size:1rem}
}

/* ============ LAYOUT ============ */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:22px 20px;flex:1}
@media(max-width:760px){.container{padding:14px}}
.appfoot{text-align:center;color:var(--muted);font-size:.78rem;padding:18px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.card-title{font-size:1rem;color:var(--muted);font-weight:600;margin-bottom:12px}
.section-title{font-size:1.05rem;color:var(--ink);margin:24px 2px 10px;font-weight:700}
.muted{color:var(--muted);font-size:.9rem}

.grid{display:grid;gap:16px}
.grid-balances{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.grid-charts{grid-template-columns:1fr 1fr;align-items:start}
@media(max-width:760px){
  .grid{gap:12px}
  .grid-charts{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:420px){.grid-3{grid-template-columns:1fr}}
@media(max-width:640px){
  .grid-balances{grid-template-columns:repeat(2,1fr)}
  .grid-balances .balance-card.joint{grid-column:1/-1}
}


/* ============ BALANCES ============ */
.balance-card{text-align:center;display:flex;flex-direction:column;justify-content:center}
.balance-card.joint{background:linear-gradient(135deg,var(--teal),var(--teal-d));color:#fff;border:0;padding:12px}
.balance-label{font-size:.9rem;opacity:.9}
.balance-card.joint .balance-value{font-size:1.9rem}
.balance-value{font-size:1.4rem;font-weight:700;margin-top:6px}
@media(max-width:560px){.balance-card.joint{grid-column:1/-1}}
.balance-sub{font-size:.8rem;margin-top:6px;opacity:.85}
.btn-contrib{display:inline-block;margin-top:10px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.2);color:#fff;font-size:.82rem;font-weight:600;
  border:1px solid rgba(255,255,255,.45);transition:background .15s}
.btn-contrib:hover{background:rgba(255,255,255,.32)}
.balance-sub.owed{color:var(--amber)}
.balance-private{background:var(--bg);border-style:dashed;opacity:.85}
.balance-hidden{color:var(--muted);letter-spacing:.2em;font-size:1.3rem}
.balance-lock-tip{display:inline-block;margin-left:6px;font-size:.72rem;
  background:var(--line);color:var(--muted);padding:1px 7px;border-radius:999px;vertical-align:middle}
.muted-card{opacity:.7}
/* Settings accordion */
.settings-list{max-width:860px}
.stg-item{border-bottom:1px solid var(--line)}
.stg-item:last-child{border-bottom:0}
.stg-row{width:100%;display:flex;align-items:center;gap:12px;padding:14px 18px;
  background:none;border:0;cursor:pointer;text-align:left;font-size:.97rem;font-weight:500;color:var(--ink)}
.stg-row:hover{background:var(--bg)}
.stg-ico{font-size:1.1rem;width:22px;text-align:center}
.stg-label{flex:1}
.stg-chevron{color:var(--muted);font-size:1.1rem;transition:transform .2s}
.stg-body{padding:16px 18px 20px 52px;border-top:1px solid var(--line);background:var(--bg)}
.stg-desc{display:block;font-size:.78rem;color:var(--muted);font-weight:400;margin-top:2px}
.stg-toggle{padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700;
  background:var(--line);color:var(--muted);white-space:nowrap;transition:background .15s,color .15s}
.stg-toggle.on{background:var(--teal);color:#fff}
.stg-body-cat{padding:16px 18px 20px;background:var(--bg)}
/* passcode form inside accordion */
.passcode-form .field{display:block;margin-bottom:14px;max-width:340px}
.passcode-form .field>span{display:block;font-size:.85rem;color:var(--muted);margin-bottom:5px}
.passcode-form input[type=password]{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:10px;font-size:1rem;outline:none;transition:border-color .15s}
.passcode-form input[type=password]:focus{border-color:var(--teal)}

/* ============ STATS ============ */
.stat{text-align:center;padding:16px}
.stat-label{font-size:.82rem;color:var(--muted)}
.stat-value{font-size:1.25rem;font-weight:700;margin-top:5px}
.stat-income .stat-value{color:var(--green)}
.stat-expense .stat-value{color:var(--red)}
.stat-net .stat-value{color:var(--teal-d)}

/* ============ PERIOD NAV ============ */
.period-nav{display:flex;align-items:center;justify-content:center;gap:4px;margin-bottom:6px;flex-wrap:nowrap}
.period-nav-btn{padding:6px 10px;border-radius:10px;background:var(--card);border:1px solid var(--line);
  color:var(--teal-d);font-size:.88rem;white-space:nowrap;line-height:1}
.period-nav-btn:hover{background:var(--teal-l)}
.period-label-center{text-align:center;font-weight:700;font-size:1.1rem;color:var(--ink);margin-bottom:16px}
.period-label-inline{font-weight:700;font-size:.95rem;color:var(--teal-d);white-space:nowrap;padding:0 4px}

/* ============ PERIOD / SEGMENTS ============ */
.period-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.period-label{font-weight:700;color:var(--ink);font-size:1.05rem}
.seg{display:inline-flex;background:#e2e8f0;border-radius:12px;padding:3px;gap:2px}
.seg-btn{border:0;background:transparent;padding:7px 12px;border-radius:9px;
  font-size:.85rem;cursor:pointer;color:var(--muted);text-align:center;white-space:nowrap}
.seg-btn.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--shadow)}
.seg-btn input{display:none}
.seg-type,.seg-fund{display:flex;margin-bottom:16px}
.seg-type .seg-btn,.seg-fund .seg-btn{flex:1}
.scope-toggle{display:flex;gap:8px;margin:0 0 16px}
.chip{padding:8px 18px;border-radius:999px;background:#e2e8f0;color:var(--muted);font-size:.9rem}
.chip.on{background:var(--teal);color:#fff}

/* ============ CHARTS ============ */
.chart-box{position:relative;height:300px}
.chart-box-lg{height:360px}
@media(max-width:760px){.chart-box{height:240px}.chart-box-lg{height:280px}}

/* Quick stats row */
.quick-stats{display:flex;gap:12px;flex-wrap:wrap}
.qs-item{flex:1;min-width:120px;background:var(--card);border-radius:var(--radius);padding:14px 16px;
  box-shadow:var(--shadow);text-align:center}
.qs-link{display:block;color:inherit;text-decoration:none}
.qs-val{display:block;font-size:1.1rem;font-weight:700;color:var(--ink)}
.qs-warn{color:var(--amber)}
.qs-label{display:block;font-size:.78rem;color:var(--muted);margin-top:2px}

/* ============ FORMS (giới hạn bề ngang trên desktop) ============ */
.form{max-width:580px}
.form.card{margin-left:auto;margin-right:auto}
.form-head{font-size:1.15rem;margin:0 0 16px;text-align:center}
.form .field{display:block;margin-bottom:16px}
.field>span{display:block;font-size:.85rem;color:var(--muted);margin-bottom:6px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:12px;font-size:16px;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal-l);border-color:var(--teal)}
.amount-input{font-size:1.4rem;font-weight:700;text-align:right}
.check{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:.95rem}
.check input{width:auto}
.btn{display:inline-block;text-align:center;border:0;border-radius:12px;padding:13px 22px;
  font-size:1rem;font-weight:600;cursor:pointer;font-family:inherit;transition:filter .15s}
.btn:hover{filter:brightness(.96)}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:active{background:var(--teal-d)}
.btn-ghost{background:#e2e8f0;color:var(--ink)}
.btn-block{display:block;width:100%;margin-top:10px}
.btn-sm{padding:8px 16px;font-size:.85rem}

/* ============ LOGIN ============ */
.login-wrap{min-height:55vh;display:flex;align-items:center;justify-content:center}
.login-card{width:100%;max-width:360px;text-align:center}
.login-title{font-size:1.4rem}
.passcode-input{font-size:2rem;text-align:center;letter-spacing:.5em;margin:18px 0}

/* ============ TRANSACTIONS — TOOLBAR ============ */
.txn-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.txn-filter-row{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;margin-bottom:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px}
.txn-fl1{display:contents} /* trên desktop: các item trải phẳng ra 1 hàng */
.txn-fl2{display:contents}
.fc-print-btn{margin-left:auto!important;align-self:center}
/* Mobile: chia thành 2 hàng rõ ràng */
@media(max-width:540px){
  .txn-filter-row{flex-direction:column;align-items:stretch;gap:6px}
  .txn-fl1{display:flex;gap:8px}
  .txn-fl2{display:flex;gap:8px;align-items:flex-end}
  .fc-print-btn{margin-left:auto!important}
}
/* Ô tìm kiếm — chiếm trọn 1 dòng phía trên các bộ lọc */
.txn-fl-search{flex:1 1 100%;display:flex;align-items:center;position:relative}
.fc-search{flex:1;padding:8px 32px 8px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:.9rem;background:var(--card);color:var(--ink)}
.fc-search:focus{outline:none;border-color:var(--teal-d)}
.fc-search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:.85rem;text-decoration:none;padding:2px 4px}
.fc-search-clear:hover{color:var(--red)}
.fc-label{font-size:.75rem;color:var(--muted);display:flex;flex-direction:column;gap:3px;flex-shrink:0}
.fc-label select{padding:5px 8px;font-size:.85rem;border-radius:8px}
/* Kỳ inline: ‹ select label › */
.fc-period-inline{display:flex;align-items:center;gap:4px}
.fc-period-select{width:auto!important;padding:5px 6px!important}
.fc-nav-btn{padding:4px 9px!important;font-size:.9rem!important;line-height:1.3}
.filter-period-label{font-weight:700;font-size:.82rem;color:var(--teal-d);white-space:nowrap}

/* ============ TRANSACTIONS — SUMMARY BAR ============ */
.txn-summary{display:flex;gap:0;margin-bottom:14px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.txn-sum-item{flex:1;padding:12px 10px;text-align:center;border-right:1px solid var(--line)}
.txn-sum-item:last-child{border-right:0}
.tsi-label{display:block;font-size:.72rem;color:var(--muted);margin-bottom:3px;text-transform:uppercase;letter-spacing:.03em}
.tsi-val{display:block;font-weight:700;font-size:1rem}
.txn-sum-item.income .tsi-val{color:var(--green)}
.txn-sum-item.expense .tsi-val{color:var(--red)}
.txn-sum-item.net .tsi-val{color:var(--teal-d)}
@media(max-width:480px){
  .txn-summary{flex-wrap:wrap}
  .txn-sum-item{flex:1 0 50%;border-bottom:1px solid var(--line)}
  .txn-sum-item:nth-child(odd){border-right:1px solid var(--line)}
  .txn-sum-item:nth-child(even){border-right:0}
  .txn-sum-item:nth-last-child(-n+2){border-bottom:0}
  /* Góc bo tròn 4 ô 2×2 */
  .txn-sum-item:nth-child(3){border-bottom-left-radius:var(--radius)}
  .txn-sum-item:nth-child(4){border-bottom-right-radius:var(--radius)}
}

/* ============ TRANSACTIONS — TABLE ============ */
.txn-table-wrap{padding:0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.txn-table{width:100%;border-collapse:collapse;font-size:.88rem}
.txn-table th{background:var(--bg);padding:6px 12px;text-align:center;font-size:.75rem;color:var(--muted);
  text-transform:uppercase;letter-spacing:.04em;border-bottom:2px solid var(--line);white-space:nowrap}
.txn-table td{padding:6px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.txn-table tbody tr:last-child td{border-bottom:0}
.txn-table tbody tr:hover{background:#f8fafc}
.txn-table .col-amt{text-align:right;font-weight:700;white-space:nowrap}
.txn-table .col-act{text-align:center;white-space:nowrap;width:1%}
.txn-table .col-img img{width:38px;height:38px;object-fit:cover;border-radius:6px;border:1px solid var(--line);cursor:zoom-in}
.txn-table .col-note{font-size:.82rem;color:var(--muted);min-width:200px}
.txn-table .col-fund{text-align:center;width:1%;white-space:nowrap}
.txn-table .col-date{width:1%;white-space:nowrap;font-size:.83rem}
.txn-table .col-cat{width:1%;white-space:nowrap}
.txn-table .col-muted{color:var(--muted);font-size:.83rem}
.th-label{font-weight:600}
.amt-main{font-weight:700;font-size:.95rem}
.amt-bal{font-size:.75rem;color:var(--muted);white-space:nowrap;font-weight:400}
.sortable{cursor:pointer;user-select:none}
.sortable:hover{color:var(--ink)}
.sortable.asc .sort-ico::after{content:'↑';display:inline}
.sortable.desc .sort-ico::after{content:'↓';display:inline}
.sort-ico{color:var(--muted);font-size:.8em;margin-left:2px}
.sortable.asc .sort-ico,.sortable.desc .sort-ico{color:var(--teal-d)}
.pos{color:var(--green)}
.neg{color:var(--red)}
.tag-behalf{background:#fce7f3;color:#9d174d}
.tag-settled{background:#d1fae5;color:#065f46}

.txn-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:4px;align-items:center}
.txn-thumb{display:inline-block;cursor:zoom-in}
.txn-thumb img{width:36px;height:36px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}

/* ============ PLANS / LISTS ============ */
.plan-list{margin-top:4px;display:grid;gap:12px}
.plan{margin-bottom:0;display:flex;justify-content:space-between;gap:14px;align-items:center;padding:16px}
.plan-title{font-weight:600}
.plan-meta{font-size:.82rem;color:var(--muted);margin-top:4px}
.txn-sub{font-size:.82rem;color:var(--teal-d);margin-top:4px}

/* ============ LIGHTBOX (popup ảnh) ============ */
.lightbox{position:fixed;inset:0;z-index:60;background:rgba(15,23,42,.85);
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;pointer-events:none;
  -webkit-backdrop-filter:blur(0);backdrop-filter:blur(0);
  transition:opacity .24s ease, visibility .24s ease, backdrop-filter .24s ease}
.lightbox.is-open{opacity:1;visibility:visible;pointer-events:auto;
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.lightbox img{max-width:92vw;max-height:88vh;width:auto;height:auto;object-fit:contain;
  border-radius:12px;box-shadow:0 12px 48px rgba(0,0,0,.55);
  transform:scale(.9);opacity:0;
  transition:transform .28s cubic-bezier(.18,.89,.32,1.1), opacity .22s ease}
.lightbox.is-open img{transform:scale(1);opacity:1}
.lightbox-close{position:absolute;top:14px;right:18px;width:46px;height:46px;border:0;
  border-radius:50%;background:rgba(255,255,255,.16);color:#fff;font-size:1.7rem;cursor:pointer;line-height:1}
.lightbox-close:hover{background:rgba(255,255,255,.3)}
.tag{display:inline-block;font-size:.68rem;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}
.tag-joint{background:var(--teal-l);color:var(--teal-d)}
.tag-personal{background:#fef3c7;color:#92400e}
.tag-transfer{background:#dbeafe;color:#1e40af}
.link-mini{font-size:.82rem;color:var(--muted);background:none;border:0;cursor:pointer;padding:0}
.link-mini:hover{text-decoration:underline}
.link-mini.danger{color:var(--red)}
/* Icon Sửa/Xoá xếp chồng dọc trong cột thao tác */
.act-icons{display:flex;flex-direction:column;gap:3px;align-items:center}
.act-icons form{display:flex;margin:0}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:6px;border:1px solid var(--line);
  background:var(--card);font-size:.72rem;line-height:1;cursor:pointer;
  text-decoration:none;transition:background .12s,border-color .12s}
.icon-btn:hover{background:var(--teal-l);border-color:var(--teal-d)}
.icon-btn.danger:hover{background:#fee2e2;border-color:var(--red)}
.empty{text-align:center;color:var(--muted);padding:34px;grid-column:1/-1}

/* ============ FILTER ============ */
.filter-form{max-width:none}
.filter-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
.filter-row label{font-size:.78rem;color:var(--muted)}
.filter-row select{margin-top:4px;padding:10px}

/* ============ PLANS ============ */
.add-plan{max-width:580px;margin-left:auto;margin-right:auto}
.add-plan summary{cursor:pointer;font-weight:600;color:var(--teal-d)}
.add-plan .form{margin-top:16px;max-width:none}
.plan.overdue{border-left:4px solid var(--red)}
.plan-title.done{text-decoration:line-through;color:var(--muted)}
.plan-actions{display:flex;flex-direction:column;gap:4px;align-items:flex-end;min-width:110px;flex-shrink:0}
.plan-sec-actions{display:flex;align-items:center;gap:6px;justify-content:flex-end}
.plan-done{opacity:.65}

/* Plan header: 2 tab + progress bar */
.plan-header{display:flex;gap:10px;align-items:stretch;margin-bottom:0}
.plan-add-tab{flex:1;background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:0;overflow:hidden}
.plan-add-tab summary{cursor:pointer;font-weight:600;color:var(--teal-d);
  padding:14px 18px;list-style:none;display:flex;align-items:center;gap:6px}
.plan-add-tab summary::-webkit-details-marker{display:none}
.plan-add-tab .form{padding:0 18px 18px;margin-top:0;max-width:none}
.plan-add-tab[open] summary{border-bottom:1px solid var(--line)}
.plan-progress-tab{background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:14px 20px;display:flex;align-items:center;
  white-space:nowrap;font-weight:600;color:var(--teal-d)}
.plan-progress-label{font-size:.95rem}

/* Progress bar divider */
.plan-progress-bar-wrap{height:6px;background:var(--line);margin:10px 0 20px;
  border-radius:3px;overflow:hidden}
.plan-progress-bar{height:100%;background:var(--teal);border-radius:3px;
  transition:width .4s ease}

/* ============ SETTINGS — CATEGORY TABLE ============ */
.cat-table{width:100%;border-collapse:collapse;font-size:.88rem}
.cat-table th{background:var(--bg);padding:8px 10px;text-align:center;font-size:.73rem;
  color:var(--muted);text-transform:uppercase;letter-spacing:.04em;
  border-bottom:2px solid var(--line);white-space:nowrap}
.cat-table td{padding:7px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.cat-table tbody tr:last-child td{border-bottom:0}
.cat-table tbody tr:hover{background:#f8fafc}
.cat-field-icon{width:52px;padding:4px 6px;font-size:1.25rem;text-align:center;border:1px solid var(--line);border-radius:8px}
.cat-field-name{width:100%;padding:6px 8px;font-size:.88rem}
.cat-field-kw{width:100%;padding:6px 8px;font-size:.82rem}
.cat-row{transition:background .15s}
/* Cột chứa nút ▲▼ — vùng này cũng là drag handle khi giữ chuột */
.cat-move-btns{text-align:center;white-space:nowrap;padding:2px 4px!important;cursor:grab}
.cat-move-btns:active{cursor:grabbing}
.cat-move-btn{background:none;border:none;cursor:pointer;font-size:.7rem;
  color:var(--muted);padding:2px 4px;line-height:1;border-radius:4px;display:block;width:100%}
.cat-move-btn:hover{background:var(--teal-l);color:var(--teal-d)}
/* Tay cầm kéo ⠿ */
.cat-drag-handle{display:inline-block;cursor:grab;font-size:1rem;color:var(--muted);
  padding:6px 8px;touch-action:none;user-select:none;-webkit-user-select:none}
.cat-drag-handle:active{cursor:grabbing;color:var(--teal-d)}
/* Khi đang kéo: con trỏ toàn trang */
body.cat-drag-active,body.cat-drag-active *{cursor:grabbing!important}
/* Hàng gốc khi đang kéo -> biến thành "ô trống" (giữ chiều cao, ẩn nội dung) */
.cat-row.cat-dragging>td{visibility:hidden}
.cat-row.cat-dragging{background:var(--teal-l);
  box-shadow:inset 0 0 0 2px var(--teal),inset 0 0 0 4px var(--card)}
/* Bản sao hàng nổi bám theo ngón tay */
.cat-ghost-table{position:fixed;z-index:999;pointer-events:none;
  table-layout:fixed;border-collapse:collapse;opacity:.97;
  background:var(--card);border-radius:10px;overflow:hidden;
  box-shadow:0 12px 32px rgba(0,0,0,.28);
  animation:catGhostPop .14s cubic-bezier(.2,.8,.3,1)}
.cat-ghost-table td{border:none!important}
@keyframes catGhostPop{from{transform:scale(.97);opacity:.4}to{transform:scale(1);opacity:.97}}
/* Hàng gốc đổi nền mượt khi thành ô trống */
.cat-row{transition:background .15s ease}
/* Toast xác nhận lưu thứ tự */
/* ===== Toast góc phải dưới ===== */
.toast-box{position:fixed;right:16px;bottom:20px;z-index:1000;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;pointer-events:none}
.toast{display:flex;align-items:center;gap:10px;min-width:170px;max-width:320px;
  padding:12px 16px;border-radius:12px;font-size:.9rem;font-weight:600;color:#fff;
  background:var(--teal-d);box-shadow:0 10px 28px rgba(0,0,0,.22);
  transform:translateX(120%);opacity:0;
  transition:transform .32s cubic-bezier(.2,.8,.3,1),opacity .32s ease}
.toast.show{transform:translateX(0);opacity:1}
.toast.hide{transform:translateX(120%);opacity:0}
.toast-success{background:#16a34a}
.toast-error{background:#dc2626}
.toast-info{background:#2563eb}
.toast-loading{background:#475569}
.toast-ic{flex:0 0 auto;width:18px;height:18px;display:inline-flex;
  align-items:center;justify-content:center;font-size:.95rem;line-height:1}
.toast-spin{border:2px solid rgba(255,255,255,.35);border-top-color:#fff;
  border-radius:50%;box-sizing:border-box;animation:toastSpin .6s linear infinite}
@keyframes toastSpin{to{transform:rotate(360deg)}}
@media(max-width:480px){.toast-box{right:10px;left:10px;bottom:16px;align-items:stretch}
  .toast{max-width:none}}
.cat-type-label{white-space:nowrap;font-size:.82rem}
.cat-status{text-align:center}
.cat-actions-cell{white-space:nowrap;text-align:right}
.cat-row-inactive td{opacity:.5}
.cat-add-row td{padding:10px 10px;background:var(--teal-l)}
.badge-active{color:var(--green);font-weight:700}
.badge-inactive{color:var(--muted);font-size:.8rem}

/* ============ LOGIN MODAL ============ */
.login-modal{text-align:center;max-width:320px}
.login-modal-icon{font-size:2.5rem;margin-bottom:8px}

/* ============ SETTLE ============ */
.settle-top-group{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);margin-bottom:20px}
.settle-total-card{text-align:center;padding:18px 16px 16px;border-bottom:1px solid var(--line);background:var(--card)}
.settle-total-card .smc-amount{font-size:2rem}
.settle-summary-grid .btn{font-size:.8rem}
.settle-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0;background:var(--card)}
.settle-summary-grid .card{margin-bottom:0;border:none;border-right:1px solid var(--line);border-radius:0;
  box-shadow:none;display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;padding:16px 14px}
.settle-summary-grid .card:last-child{border-right:none}
.smc-name{font-weight:700;font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.smc-amount{font-size:1.4rem;font-weight:800;line-height:1.2;color:var(--red)}
.smc-count{font-size:.76rem;color:var(--muted);margin-bottom:6px}
.settle-summary-grid .btn{width:100%;margin-top:auto}
.settle-member-card.smc-active{background:var(--teal-pale, #e6f4f1);outline:2px solid var(--teal)}
.settle-detail-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:4px 0 10px}
@media(max-width:400px){
  .smc-amount{font-size:1.1rem}
  .settle-summary-grid .card{padding:14px 10px}
}

/* ============ PRINT ============ */
@media print{
  .topbar,.appfoot,.no-print,.txn-actions,.btn,.filter-form,.scope-toggle,
  .plan-actions,.lightbox,.modal-overlay,button,
  .txn-toolbar,.txn-mobile-list,.quick-stats,.grid-charts,section.card canvas{display:none!important}
  body{background:#fff;font-size:11pt;color:#000}
  .container{padding:0;max-width:none}
  .card{box-shadow:none;border:1px solid #bbb;break-inside:avoid;margin-bottom:8px}
  .txn-table-wrap{display:block!important;border:1px solid #bbb}
  .txn-table{font-size:10pt}
  .txn-table th{background:#eee;font-size:9pt}
  .txn-table td,.txn-table th{padding:6px 8px}
  .txn-summary{border:1px solid #bbb;display:flex!important}
  .grid-balances{grid-template-columns:repeat(3,1fr)!important;gap:8px}
  a{color:inherit;text-decoration:none}
  .print-header{display:block!important;text-align:center;margin-bottom:12px;font-size:14pt;font-weight:bold;border-bottom:2px solid #000;padding-bottom:8px}
  .tag{border:1px solid #aaa;background:none;color:#000}
  .period-label-center{font-size:12pt;font-weight:600;text-align:center;margin-bottom:8px}
}
.print-header{display:none}

/* ============ DIAGNOSTIC (telegram_test) ============ */
.diag{margin:0;padding-left:18px;line-height:1.8;font-size:.92rem}
.diag code{background:#f1f5f9;padding:1px 6px;border-radius:6px;font-size:.85em;word-break:break-all}
.diag-actions{display:flex;flex-direction:column;gap:10px;max-width:none}
.diag-body{background:#0f172a;color:#cbd5e1;padding:14px;border-radius:12px;
  overflow-x:auto;font-size:.8rem;white-space:pre-wrap;word-break:break-all}

/* ============ MODAL ============ */
.modal-overlay{position:fixed;inset:0;
  display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-overlay[hidden]{display:none}
/* Khi có modal mở: dùng backdrop riêng thay vì filter trên parent
   (filter trên parent phá vỡ position:fixed của con) */
#blurBackdrop{display:none;position:fixed;inset:0;z-index:45;
  background:rgba(15,23,42,.45);backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px)}
body.modal-open #blurBackdrop{display:block}
/* modal-overlay nằm trên backdrop */
.modal-overlay{z-index:50}
.modal{background:#fff;border-radius:var(--radius);padding:24px;max-width:380px;width:100%;text-align:center}
.modal-actions{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.modal-close{margin-top:12px;background:none;border:0;color:var(--muted);cursor:pointer;width:auto}