:root{
  --bg:#f8f9fa; --paper:#fff;
  --line:#d8dde3; --line2:#eceff2; --line3:#f3f5f7;
  --ink:#1f2429; --dim:#5f6b7a; --faint:#9aa5b1;
  --accent:#1a73e8; --accent-soft:#e8f0fe; --accent-ring:rgba(26,115,232,.28);
  --hi:#c5221f; --hi-bg:#fce8e6;
  --med:#b06000; --med-bg:#feefc3;
  --lo:#5f6b7a; --lo-bg:#eceff2;
  --done:#137333; --done-bg:#e6f4ea; --done-row:#f5fbf7;
  --late:#c5221f; --late-row:#fef7f7;
  --note-bg:#fef9e7;
  --shadow-s:0 1px 2px rgba(31,36,41,.08);
  --shadow-m:0 2px 8px rgba(31,36,41,.10);
  --shadow-l:0 8px 28px rgba(31,36,41,.14);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);
  font:13px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Vazirmatn",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-track{background:var(--line3)}
::-webkit-scrollbar-thumb{background:#c4ccd4;border-radius:8px;border:3px solid var(--line3)}
::-webkit-scrollbar-thumb:hover{background:#aab4bf}

/* ---------------------------------------------------------------- top bar */
.topbar{display:flex;align-items:center;gap:18px;padding:0 16px;height:52px;
  background:var(--paper);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:40;box-shadow:var(--shadow-s)}
.brand{font-weight:600;font-size:15px;color:var(--ink);letter-spacing:-.01em}
.topbar nav{display:flex;gap:2px}
.topbar nav a{color:var(--dim);font-size:13px;padding:6px 12px;border-radius:6px;
  transition:background .12s,color .12s}
.topbar nav a:hover{background:var(--line3);text-decoration:none}
.topbar nav a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
.spacer{flex:1}
.lang{display:flex;background:var(--line3);border-radius:6px;padding:2px}
.lang a{color:var(--dim);font-size:12px;padding:3px 10px;border-radius:4px;transition:.12s}
.lang a:hover{text-decoration:none;color:var(--ink)}
.lang a.on{background:var(--paper);color:var(--ink);font-weight:600;box-shadow:var(--shadow-s)}
.out{color:var(--faint);font-size:12px}
.out:hover{color:var(--late)}

/* ------------------------------------------------------- stats + controls */
.toolbar{background:var(--paper);border-bottom:1px solid var(--line);
  padding:10px 16px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;
  position:sticky;top:52px;z-index:35}
.chip{display:inline-flex;gap:6px;align-items:baseline;font-size:12px;color:var(--dim);
  padding:4px 12px;border-radius:20px;background:var(--line3);white-space:nowrap}
.chip b{font-size:14px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.chip.bad{background:var(--hi-bg)}   .chip.bad b{color:var(--hi)}
.chip.good{background:var(--done-bg)} .chip.good b{color:var(--done)}

.seg{display:flex;background:var(--line3);border-radius:8px;padding:2px}
.seg a{padding:5px 14px;border-radius:6px;font-size:12.5px;color:var(--dim);transition:.12s}
.seg a:hover{text-decoration:none;color:var(--ink)}
.seg a.on{background:var(--paper);color:var(--accent);font-weight:600;box-shadow:var(--shadow-s)}

input,select,textarea,button{font:inherit;color:var(--ink);background:var(--paper);
  border:1px solid var(--line);border-radius:7px;padding:6px 11px;transition:border-color .12s,box-shadow .12s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-ring)}
input[type=search]{min-width:280px;background:var(--line3) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239aa5b1' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3'/%3E%3C/svg%3E") no-repeat 10px center/15px;
  padding-inline-start:32px;border-color:transparent}
input[type=search]:focus{background-color:var(--paper)}
button{cursor:pointer;box-shadow:var(--shadow-s)}
button:hover{background:var(--line3)}
button:active{transform:translateY(1px)}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.primary:hover{background:#1765cc}
button.go{background:var(--done);border-color:var(--done);color:#fff}
button.go:hover{background:#0f5c28}

/* ------------------------------------------------------------------- grid */
.gridwrap{overflow:auto;height:calc(100vh - 52px - 57px);background:var(--paper)}
table.sheet{border-collapse:separate;border-spacing:0;width:max-content;min-width:100%}

table.sheet th{position:sticky;top:0;z-index:20;background:#f1f3f4;color:var(--dim);
  font-size:11px;font-weight:600;letter-spacing:.02em;text-align:start;
  padding:9px 10px;white-space:nowrap;
  border-bottom:1px solid var(--line);border-inline-end:1px solid var(--line2);
  box-shadow:0 1px 0 var(--line)}
table.sheet td{padding:7px 10px;border-bottom:1px solid var(--line2);
  border-inline-end:1px solid var(--line3);vertical-align:top;
  max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-variant-numeric:tabular-nums}
table.sheet td.wrap{white-space:normal;line-height:1.45}

/* customer grouping — the heavier rule lives on the cells: a border set on the
   tbody itself does not paint under border-spacing:0 */
tbody.cust tr:first-child>td{border-top:2px solid var(--line)}
tbody.cust:first-of-type tr:first-child>td{border-top:none}
tr.task-row:hover>td{background:#f8fafd}
tr.done-row>td{background:var(--done-row);color:var(--dim)}
tr.done-row:hover>td{background:#eef8f2}
tr.late-row>td{background:var(--late-row)}
tr.late-row:hover>td{background:#fdf0f0}

/* frozen name column, with an edge shadow like a real spreadsheet */
.col-name{position:sticky;inset-inline-start:0;z-index:15;background:var(--paper);
  min-width:190px;max-width:190px;border-inline-end:1px solid var(--line);
  box-shadow:2px 0 4px -2px rgba(31,36,41,.10)}
th.col-name{z-index:26;background:#f1f3f4}
tr.done-row .col-name{background:var(--done-row)}
tr.late-row .col-name{background:var(--late-row)}
tr.task-row:hover .col-name{background:#f8fafd}
.cust-name{font-weight:600;color:var(--ink);letter-spacing:-.01em}
.cust-name:hover{color:var(--accent)}
.uname{color:var(--faint);font-size:11px;display:block;margin-top:1px}
.subtle{color:var(--faint);font-size:11px}
.branch{color:#c4ccd4;font-size:13px;padding-inline-start:8px}

/* customer state at a glance, without another column */
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;
  margin-inline-end:7px;vertical-align:1px}
.dot.active{background:var(--accent)}
.dot.snoozed{background:#b6c0ca}
.dot.done{background:var(--done)}

.overbadge{display:inline-block;min-width:22px;text-align:center;
  background:var(--hi-bg);color:var(--hi);font-weight:700;font-size:11px;
  border-radius:20px;padding:1px 7px}

/* column sizing */
.c-title{min-width:320px;max-width:420px}
.c-next{min-width:280px;max-width:380px}
.c-detail{min-width:220px;max-width:280px}
.c-note{min-width:200px;max-width:260px}
.c-date{min-width:104px;text-align:center}
.c-num{min-width:64px;text-align:center}
.c-small{min-width:88px}

/* mixed-direction data: let Persian lines run RTL inside the LTR grid */
td.wrap,.edit,.detail,.mini{unicode-bidi:plaintext}

/* Editable content is a div inside the cell — the 3-line clamp needs
   display:-webkit-box, which would wreck table-cell layout on the td itself. */
.clamp{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
  overflow:hidden;white-space:normal}

div.edit{cursor:text;min-height:1.2em;border-radius:2px;transition:box-shadow .1s}
td:hover>div.edit{box-shadow:inset 0 0 0 1px var(--line)}
div.edit:focus{outline:none;display:block;-webkit-line-clamp:unset;overflow:visible;
  white-space:normal;position:relative;z-index:12;background:var(--paper);
  box-shadow:0 0 0 2px var(--accent),var(--shadow-l);min-height:30px;padding:2px 4px;margin:-2px -4px}
div.edit.saving{background:var(--note-bg)}
div.edit.saved{animation:flash .9s ease-out}
@keyframes flash{0%{background:#ceead6}100%{background:transparent}}

select.cell{border:none;background:transparent;padding:2px 6px;font-size:11px;
  font-weight:600;border-radius:20px;cursor:pointer;appearance:none;text-transform:uppercase;
  letter-spacing:.02em;transition:.12s}
select.cell:focus{box-shadow:0 0 0 2px var(--accent-ring)}
select.cell[data-field=priority][value]{}
.p-high,.s-open{}
select.cell.high{background:var(--hi-bg);color:var(--hi)}
select.cell.medium{background:var(--med-bg);color:var(--med)}
select.cell.low{background:var(--lo-bg);color:var(--lo)}
select.cell.open{background:var(--accent-soft);color:var(--accent)}
select.cell.waiting,select.cell.snoozed{background:var(--lo-bg);color:var(--lo)}
select.cell.done{background:var(--done-bg);color:var(--done)}

.late{color:var(--late);font-weight:600}
.notecell{background:var(--note-bg)}
tr.task-row:hover .notecell{background:#fdf4d9}
.acts{display:flex;gap:4px}
.acts button{width:24px;height:24px;padding:0;display:inline-flex;align-items:center;
  justify-content:center;box-shadow:none;border-radius:6px;color:var(--dim)}
.acts button:hover{color:var(--ink)}
.acts button.go{color:#fff}
.addrow td{background:#fbfcfd;border-bottom:1px solid var(--line2);padding:2px 10px}
.addrow input,.addrow select{padding:4px 9px;font-size:12px;box-shadow:none}
.addline summary{color:var(--faint);font-size:11.5px;padding:2px 0}
.addline summary:hover{color:var(--accent);text-decoration:none}
.addline[open] summary{color:var(--accent)}

.empty{color:var(--faint);font-style:italic}
.toast{position:fixed;inset-inline-end:20px;bottom:20px;background:#1f2429;color:#fff;
  padding:9px 16px;border-radius:8px;font-size:12.5px;opacity:0;transform:translateY(6px);
  transition:opacity .18s,transform .18s;z-index:80;box-shadow:var(--shadow-l)}
.toast.show{opacity:1;transform:translateY(0)}
.toast.err{background:var(--late)}

/* --------------------------------------------------------- cards & detail */
main.pad{max-width:1080px;margin:0 auto;padding:20px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;
  padding:16px;margin-bottom:14px;box-shadow:var(--shadow-s)}
h1{font-size:20px;margin:0;letter-spacing:-.02em}
h2{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);
  margin:0 0 12px;font-weight:700}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:900px){.two-col{grid-template-columns:1fr}}
.grid{width:100%;border-collapse:collapse}
.grid th{text-align:start;font-size:10.5px;text-transform:uppercase;color:var(--faint);
  padding:6px;border-bottom:1px solid var(--line);font-weight:700}
.grid td{padding:7px 6px;border-bottom:1px solid var(--line3);vertical-align:top}
.tag{display:inline-block;font-size:10px;padding:2px 8px;border-radius:20px;
  font-weight:700;text-transform:uppercase;letter-spacing:.02em}
.tag.high{background:var(--hi-bg);color:var(--hi)}
.tag.medium{background:var(--med-bg);color:var(--med)}
.tag.low{background:var(--lo-bg);color:var(--lo)}
.tag.done,.state.done{background:var(--done-bg);color:var(--done)}
.state{display:inline-block;font-size:10px;padding:2px 9px;border-radius:20px;font-weight:700;
  text-transform:uppercase}
.state.active{background:var(--accent-soft);color:var(--accent)}
.state.snoozed{background:var(--lo-bg);color:var(--lo)}
.task{border:1px solid var(--line);border-radius:9px;padding:12px;margin-bottom:9px;
  background:var(--paper)}
.task.done-task{background:var(--done-row);border-color:#cfe8d8}
.detail{white-space:pre-wrap;color:var(--dim);font-size:12px;line-height:1.55}
.by{font-size:9.5px;padding:2px 7px;border-radius:20px;font-weight:700;text-transform:uppercase}
.by.owner{background:var(--accent-soft);color:var(--accent)}
.by.monitor{background:var(--lo-bg);color:var(--lo)}
.by.import{background:var(--med-bg);color:var(--med)}
.history del{color:var(--late);display:block;text-decoration:line-through;opacity:.7}
.history ins{color:var(--done);display:block;text-decoration:none}
.creds code{background:var(--line3);padding:2px 7px;border-radius:5px;word-break:break-all;
  font-size:12px}
label{display:block;font-size:11px;color:var(--dim);margin-bottom:9px;font-weight:500}
label input,label select,label textarea{width:100%;margin-top:3px}
.row{display:flex;gap:7px}.row>*{flex:1}
details summary{cursor:pointer;color:var(--accent);font-size:12.5px;padding:3px 0;
  list-style:none;user-select:none}
details summary::-webkit-details-marker{display:none}
details summary:hover{text-decoration:underline}
.crumbs{margin-bottom:12px;font-size:12.5px}
.cust-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.feed{list-style:none;padding:0;margin:0}
.feed li{padding:7px 0;border-bottom:1px solid var(--line3);font-size:12.5px;
  display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.feed li:last-child{border:none}
.feed time{color:var(--faint);font-size:11px;margin-inline-start:auto}
.files{list-style:none;padding:0;margin:0 0 10px}
.files li{padding:5px 0;font-size:12.5px;display:flex;gap:8px;align-items:baseline}
.muted{color:var(--faint);font-size:11px}
.in{color:var(--done);font-weight:600}.out{color:var(--late);font-weight:600}
.foot{color:var(--faint);font-size:11.5px;margin:10px 0 0}
.pill{background:var(--line3);color:var(--dim);border-radius:20px;padding:1px 9px;font-size:11px}

/* ------------------------------------------------------------------ login */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(1200px 600px at 50% -10%,#e8f0fe,#f1f3f4 60%)}
.login{width:340px;background:var(--paper);border:1px solid var(--line);
  border-radius:14px;padding:26px;box-shadow:var(--shadow-l)}
.login h1{font-size:17px;text-align:center;margin-bottom:18px}
.login button{width:100%;background:var(--accent);border-color:var(--accent);color:#fff;
  margin-top:8px;padding:9px}
.err{color:var(--late);font-size:12px;text-align:center}
.lang-row{text-align:center;font-size:11.5px;margin:14px 0 0;color:var(--faint)}