/* Concordia: one stylesheet for the whole app. Colours work in light and dark mode. */
:root{
  --bg:#efedf7;--card:#ffffff;--ink:#23213d;--muted:#6a6884;--line:#dcd9ec;
  --a:#3b5bdb;--b:#e0567b;--btn:#2f2d6b;--btnink:#fff;--bad:#d6455d;--good:#2f9e6b;
  --soft:color-mix(in srgb,var(--a) 8%,var(--card));
  --nav-h:64px;--side-w:220px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#16152a;--card:#201f3a;--ink:#f0eefb;--muted:#a8a6c4;--line:#37355a;
        --a:#7d97ff;--b:#ff86a3;--btn:#8e8cff;--btnink:#14132a;--bad:#ff7a8f;--good:#5fd39b}
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter","Vazirmatn",system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;line-height:1.6}
.hide{display:none!important}
button{font:inherit;cursor:pointer;color:inherit}
input,select,textarea{font:inherit;color:var(--ink);background:transparent;border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;width:100%}
select{background:var(--card)}
textarea{resize:vertical;min-height:80px;unicode-bidi:plaintext}
input:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{
  outline:2px solid var(--a);outline-offset:2px}
input[type=email],input[type=password]{direction:ltr;text-align:left}
input[type=checkbox]{width:auto;flex:none;margin:0;accent-color:var(--btn)}
label{display:block;font-size:14px;color:var(--muted);margin:12px 0 4px}
h1,h2,h3{line-height:1.25}
h2{margin:0 0 4px;font-size:22px}
h3{margin:18px 0 8px;font-size:16px}
a{color:var(--a)}

/* ---------- buttons ---------- */
.btn{background:var(--btn);color:var(--btnink);border:0;border-radius:10px;padding:9px 16px;font-weight:600}
.btn:disabled{opacity:.6;cursor:wait}
.btn.wide{width:100%;margin-top:18px;padding:11px}
.btn.plain{background:transparent;color:var(--a);border:1px solid var(--line)}
.btn.danger{background:transparent;color:var(--bad);border:1px solid color-mix(in srgb,var(--bad) 40%,var(--line))}
.btn.small{padding:5px 10px;font-size:13px}
.link{background:none;border:0;color:var(--a);padding:8px 0 0;font-size:14px;display:block;margin:6px auto 0}
.ghost{background:none;border:0;color:var(--a);font-size:14px;padding:6px 4px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:10px}
.row.end{justify-content:flex-end}
.row.between{justify-content:space-between}
a.btn{text-decoration:none;display:inline-block}

/* ---------- text ---------- */
.soft{color:var(--muted);font-size:14px;margin:0 0 6px}
.note{min-height:22px;margin:10px 0 0;font-size:14px;color:var(--muted)}
.note.bad{color:var(--bad)}
.note:empty{min-height:0;margin:0}
.meta{font-size:12px;color:var(--muted);margin:0}
.badge{display:inline-block;font-size:11px;font-weight:600;padding:1px 8px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);vertical-align:middle}
.badge.on{background:color-mix(in srgb,var(--good) 15%,transparent);color:var(--good);border-color:transparent}
.badge.warn{background:color-mix(in srgb,var(--b) 15%,transparent);color:var(--b);border-color:transparent}
.empty{color:var(--muted);text-align:center;padding:22px 8px;margin:0}
.plaintext{unicode-bidi:plaintext;white-space:pre-wrap;overflow-wrap:anywhere}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px;margin-top:14px}
.card > h3:first-child{margin-top:0}
.item{border-top:1px solid var(--line);padding:12px 0}
.item:first-child{border-top:0;padding-top:4px}
.list-link{display:flex;justify-content:space-between;align-items:center;gap:10px;width:100%;
  text-align:start;background:none;border:0;border-top:1px solid var(--line);padding:14px 2px;color:var(--ink);text-decoration:none}
.list-link:first-of-type{border-top:0}
.list-link .chev{color:var(--muted)}
[dir=rtl] .list-link .chev{transform:scaleX(-1)}

/* ---------- login screen ---------- */
.auth{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:max(20px,env(safe-area-inset-top)) 20px max(20px,env(safe-area-inset-bottom))}
.auth > *{width:100%;max-width:400px}
.auth-top{display:flex;justify-content:flex-end;margin-bottom:10px}
.auth-top select{width:auto;padding:5px 8px;font-size:14px}
.brand{text-align:center;margin-bottom:8px}
.brand svg{width:96px;height:56px}
.brand h1{margin:6px 0 0;font-size:30px;font-weight:800;letter-spacing:.5px;direction:ltr}
.brand p{margin:2px 0 0;color:var(--muted);font-size:15px}

/* ---------- app shell ---------- */
.topbar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;
  gap:10px;padding:max(10px,env(safe-area-inset-top)) 16px 10px;background:color-mix(in srgb,var(--bg) 92%,transparent);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);font-weight:800;direction:ltr}
.logo svg{width:40px;height:24px}
.topbar select{width:auto;padding:5px 8px;font-size:14px}
.view{max-width:720px;margin:0 auto;padding:16px 16px calc(var(--nav-h) + 24px + env(safe-area-inset-bottom));outline:none}

.nav{position:fixed;z-index:6;bottom:0;left:0;right:0;display:flex;justify-content:space-around;
  background:var(--card);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 2px;border-radius:12px;
  color:var(--muted);text-decoration:none;font-size:11px;font-weight:600;position:relative}
.nav a svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.nav a.on{color:var(--btn)}
.nav a.on svg{stroke-width:2.2}
.nav .dot{position:absolute;top:2px;inset-inline-end:calc(50% - 18px);min-width:16px;height:16px;padding:0 4px;
  border-radius:999px;background:var(--b);color:#fff;font-size:10px;line-height:16px;text-align:center}
@media (prefers-color-scheme:dark){.nav a.on{color:var(--a)}}

@media (min-width:860px){
  .nav{top:0;bottom:0;right:auto;width:var(--side-w);flex-direction:column;justify-content:flex-start;gap:4px;
    border-top:0;border-inline-end:1px solid var(--line);padding:84px 12px 12px}
  [dir=rtl] .nav{left:auto;right:0}
  .nav a{flex:none;flex-direction:row;gap:12px;padding:10px 14px;font-size:15px}
  .nav a.on{background:var(--soft)}
  .nav .dot{position:static;margin-inline-start:auto}
  .topbar{padding-inline-start:calc(var(--side-w) + 16px);z-index:7}
  .topbar .logo{position:fixed;top:18px;inset-inline-start:22px}
  .view{padding:24px 24px 40px;margin-inline-start:var(--side-w);margin-inline-end:auto;max-width:760px}
  @media (min-width:1200px){.view{margin-inline-start:calc(var(--side-w) + (100vw - var(--side-w) - 760px)/2)}}
}

/* ---------- page header + relationship picker ---------- */
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.page-head .sub{margin:0;color:var(--muted);font-size:14px}
.picker{display:flex;align-items:center;gap:8px;margin:10px 0 0}
.picker select{max-width:320px}
.tabs{display:flex;gap:6px;margin:14px 0 4px;flex-wrap:wrap}
.tab{background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:6px 14px;
  font-weight:600;text-decoration:none;font-size:14px}
.tab.on{background:var(--btn);color:var(--btnink);border-color:var(--btn)}

/* ---------- people ---------- */
.person{display:flex;gap:12px;align-items:center}
.avatar{flex:none;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:800;
  color:#fff;background:linear-gradient(135deg,var(--a),var(--b))}
.person .who{flex:1;min-width:0}
.person .who strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:8px}
.choice{text-align:start;background:transparent;border:1px solid var(--line);border-radius:12px;padding:12px}
.choice strong{display:block}
.choice span{font-size:12px;color:var(--muted)}
.choice.on{border-color:var(--a);background:color-mix(in srgb,var(--a) 12%,transparent)}

/* ---------- chat (private + shared) ---------- */
.chat-shell{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--card);margin-top:12px}
.chat-tools{padding:10px;border-bottom:1px solid var(--line);background:var(--soft)}
.starters{display:flex;gap:7px;overflow-x:auto;padding:10px;border-bottom:1px solid var(--line)}
.starter{flex:0 0 auto;white-space:nowrap;background:transparent;color:var(--a);border:1px solid var(--line);
  border-radius:999px;padding:6px 11px;font-size:13px;font-weight:600}
.chat{min-height:280px;max-height:58vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:14px 10px}
.msg-wrap{display:flex;flex-direction:column;max-width:86%}
.msg-wrap.me{align-self:flex-end;align-items:flex-end}
.msg-wrap.them{align-self:flex-start;align-items:flex-start}
.msg{max-width:100%;padding:9px 12px;border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere;unicode-bidi:plaintext;line-height:1.55}
.msg-wrap.me .msg{background:var(--btn);color:var(--btnink);border-end-end-radius:5px}
.msg-wrap.them .msg{background:color-mix(in srgb,var(--b) 12%,var(--card));border:1px solid var(--line);border-end-start-radius:5px}
.msg-wrap.ai .msg{background:color-mix(in srgb,var(--a) 12%,var(--card))}
.msg-meta{display:flex;gap:8px;align-items:center;margin:3px 5px 0;color:var(--muted);font-size:11px}
.msg-meta button{background:none;border:0;padding:0;color:var(--muted);font-size:11px}
.msg-meta button:hover{color:var(--bad)}
.composer{padding:10px;border-top:1px solid var(--line)}
.composer textarea{min-height:64px}
.wait{opacity:.7;font-style:italic}

/* ---------- notes ---------- */
.note-card{display:block;width:100%;text-align:start;background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:12px 14px;margin-top:10px;color:var(--ink)}
.note-card .title{font-weight:700;margin:0;unicode-bidi:plaintext}
.note-card .preview{margin:4px 0 6px;color:var(--muted);font-size:14px;display:-webkit-box;-webkit-line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden;white-space:pre-wrap;unicode-bidi:plaintext}

/* ---------- to-dos ---------- */
.todo{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.todo:first-child{border-top:0}
.todo input[type=checkbox]{width:20px;height:20px;margin-top:3px}
.todo .body{flex:1;min-width:0}
.todo .title{margin:0;unicode-bidi:plaintext;overflow-wrap:anywhere}
.todo.done .title{text-decoration:line-through;color:var(--muted)}
.todo .overdue{color:var(--bad);font-weight:600}
.todo-actions{display:flex;gap:4px}
.todo-actions button{background:none;border:0;color:var(--muted);font-size:12px;padding:2px 4px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
.form-grid .full{grid-column:1 / -1}
@media (max-width:480px){.form-grid{grid-template-columns:1fr}}
details.done-list summary{cursor:pointer;color:var(--muted);font-size:14px;margin-top:12px}

/* ---------- shared lists ---------- */
.list-chips{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:12px 0 0}
.list-chips .tab{cursor:pointer;font:inherit;font-size:14px;font-weight:600}
.list-chips .tab .n{opacity:.7;font-weight:400;margin-inline-start:6px;font-size:12px}
.list-count{margin-inline-start:auto}
.list-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.list-head h3{margin:0;unicode-bidi:plaintext;overflow-wrap:anywhere}
.list-bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden;margin:12px 0 4px}
.list-bar > span{display:block;height:100%;background:linear-gradient(90deg,var(--a),var(--b))}
.list-add{display:flex;gap:8px;margin-top:12px}
.list-add input{flex:1;min-width:0}
.list-sugg{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:10px}

/* ---------- questionnaire ---------- */
.qtext{font-size:18px;margin:14px 0 0}
.scale{display:grid;gap:8px;margin-top:14px}
.opt{width:100%;text-align:start;background:transparent;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.opt.on{border-color:var(--a);background:color-mix(in srgb,var(--a) 14%,transparent)}
.progress{height:6px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:10px}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--a),var(--b))}

/* ---------- what Concordia knows ---------- */
.trait{margin:10px 0}
.trait .top{display:flex;justify-content:space-between;font-size:14px}
.bar{position:relative;height:8px;border-radius:999px;background:var(--line);margin-top:4px}
.bar > i{position:absolute;top:-3px;width:14px;height:14px;border-radius:50%;background:var(--btn);transform:translateX(-50%)}
[dir=rtl] .bar > i{transform:translateX(50%)}
.bar-ends{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.memory{padding:12px 0;border-top:1px solid var(--line)}
.memory:first-child{border-top:0}
.memory p.text{margin:0 0 4px}
.memory .row{margin-top:6px}

/* ---------- small things ---------- */
.switch{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:10px 0}
.switch input{width:20px;height:20px}
.boot{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:20}
.boot::after{content:"";width:36px;height:36px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--a);
  animation:spin 0.9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.boot::after{animation:none}}

/* ---------- confirmation pop-up ---------- */
.dialog{border:1px solid var(--line);border-radius:18px;background:var(--card);color:var(--ink);
  padding:20px;width:min(440px,calc(100vw - 32px))}
.dialog::backdrop{background:rgba(10,8,30,.45)}
.btn.danger-solid{background:var(--bad);color:#fff}

/* ---------- insights ---------- */
.insight-part{margin-top:14px}
.insight-part h3{margin:0 0 6px;font-size:15px;color:var(--muted)}
.insight-list{margin:0;padding-inline-start:20px}
.insight-list li{margin:4px 0}
.starter-q p{font-size:17px;font-weight:600;color:var(--btn)}
@media (prefers-color-scheme:dark){.starter-q p{color:var(--a)}}

/* ---------- top bar actions, bell, Google button ---------- */
.top-actions{display:flex;align-items:center;gap:10px}
.bell{position:relative;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;color:var(--ink)}
.bell svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.bell .dot{position:absolute;top:2px;inset-inline-end:0;min-width:17px;height:17px;padding:0 4px;border-radius:999px;
  background:var(--b);color:#fff;font-size:10px;font-weight:700;line-height:17px;text-align:center}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:16px 0 0}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.btn.google{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px;color:var(--ink)}
.notif{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink)}
.notif:first-child{border-top:0}
.notif.unread .text{font-weight:600}
.notif .pip{flex:none;width:9px;height:9px;border-radius:50%;margin-top:8px;background:transparent}
.notif.unread .pip{background:var(--b)}
.rephrase{border:1px dashed var(--line);border-radius:12px;padding:10px 12px;margin-top:8px}
.rephrase p{margin:4px 0 8px}
.scale-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:6px}
.scale-row button{flex:1;min-width:44px;padding:10px 0;border-radius:10px;border:1px solid var(--line);background:transparent;font-weight:700}
.scale-row button.on{background:var(--btn);color:var(--btnink);border-color:var(--btn)}
.scale-ends{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:2px}
.trend svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:14px;height:3px;border-radius:2px;vertical-align:middle;margin-inline-end:5px}
.date-row{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.date-row:first-child{border-top:0}
.date-row .when{font-size:13px;color:var(--muted)}
.date-row .soon{color:var(--b);font-weight:700}
.install-card{border-color:var(--a)}
/* chart series colours (validated for colour-blind separation in light and dark) */
:root{--c1:#3b5bdb;--c2:#e0567b}
@media (prefers-color-scheme:dark){:root{--c1:#5f7ee8;--c2:#e0678a}}
.trend .grid{stroke:var(--line);stroke-width:1}
.trend .axis{fill:var(--muted);font-size:10px}
.trend .lbl{fill:var(--ink);font-size:10px;font-weight:600}

/* message ticks */
.tick{letter-spacing:-3px;font-weight:700}
.tick.read{color:#22a559}