html{color-scheme:light}body{margin:0}[hidden]{display:none!important}img{max-width:100%}
/* Layout: clinic workspace. A nav rail on the inline-start side, the working surface beside it;
   on phones the rail becomes a bottom tab bar. The 3D tooth chart is the one loud element. */
:root{
  --bg:#ECF0F2; --surface:#FFFFFF; --surface-2:#F4F7F8; --stage-a:#F7FAFB; --stage-b:#DCE5E9;
  --ink:#13232D; --ink-2:#4E626E; --ink-3:#7A8C96; --line:#D3DDE2;
  --accent:#0E5C6B; --accent-ink:#FFFFFF; --accent-soft:#DCEEF1;
  --ok:#1D7A4E; --ok-soft:#DDF1E6; --warn:#9A6200; --warn-soft:#FBEFD2; --bad:#B3341F; --bad-soft:#FADFD9;
  --t-healthy:#F2EDDF; --t-caries:#C8472B; --t-filling:#2F6FC2; --t-rct:#7B4CC4; --t-crown:#D9A520; --t-implant:#5F737E;
  --on-dark:#FFFFFF; --on-gold:#2A2000; --on-enamel:#3A3A2E;
  --shadow:0 1px 2px rgba(19,35,45,.06),0 8px 24px rgba(19,35,45,.06);
  --display:"Alexandria","IBM Plex Sans Arabic","Segoe UI",Tahoma,sans-serif;
  --body:"IBM Plex Sans Arabic","Segoe UI",Tahoma,"Noto Sans Arabic",sans-serif;
  --r:10px; --slot:34px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0D151A; --surface:#152027; --surface-2:#1B2931; --stage-a:#1D2C35; --stage-b:#0F181D;
  --ink:#E7EEF1; --ink-2:#A3B4BD; --ink-3:#7C8E98; --line:#2A3A44;
  --accent:#56BDD0; --accent-ink:#06222A; --accent-soft:#143843;
  --ok:#6FD3A0; --ok-soft:#163626; --warn:#F0BE5A; --warn-soft:#3A2D10; --bad:#FF8E78; --bad-soft:#40201A;
  --t-healthy:#E9E3D2; --t-caries:#D9573A; --t-filling:#4A8BE0; --t-rct:#9468DD; --t-crown:#E0AE2C; --t-implant:#7E929D;
  --on-dark:#FFFFFF; --on-gold:#2A2000; --on-enamel:#3A3A2E;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); color-scheme:dark } }
:root[data-theme="dark"]{
  --bg:#0D151A; --surface:#152027; --surface-2:#1B2931; --stage-a:#1D2C35; --stage-b:#0F181D;
  --ink:#E7EEF1; --ink-2:#A3B4BD; --ink-3:#7C8E98; --line:#2A3A44;
  --accent:#56BDD0; --accent-ink:#06222A; --accent-soft:#143843;
  --ok:#6FD3A0; --ok-soft:#163626; --warn:#F0BE5A; --warn-soft:#3A2D10; --bad:#FF8E78; --bad-soft:#40201A;
  --t-healthy:#E9E3D2; --t-caries:#D9573A; --t-filling:#4A8BE0; --t-rct:#9468DD; --t-crown:#E0AE2C; --t-implant:#7E929D;
  --on-dark:#FFFFFF; --on-gold:#2A2000; --on-enamel:#3A3A2E;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); color-scheme:dark }

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.6}
#app{min-height:100vh}
h1,h2,h3,p{margin:0}
h1{font:600 24px/1.3 var(--display);text-wrap:balance}
h2{font:600 16px/1.4 var(--display)}
h3{font:600 14px/1.4 var(--body)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--ink-2)} .small{font-size:13px}
.eyebrow{font-size:13px;color:var(--ink-2)}

/* top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:10px 20px}
.brand{display:flex;align-items:center;gap:8px;font:700 19px/1.3 var(--display);color:var(--accent);min-width:0;max-width:55%}
.brand svg{width:26px;height:26px;flex:none}
.brand-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.clinic{font-size:13px;color:var(--ink-2);min-width:0}
.top .grow{flex:1}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:3px}
.seg button{border:0;background:none;padding:5px 14px;border-radius:999px;cursor:pointer;font-size:13px;font-weight:500;color:var(--ink-2)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}

/* shell */
.shell{display:grid;grid-template-columns:200px minmax(0,1fr);align-items:start}
.shell.owner{grid-template-columns:minmax(0,1fr)}
.rail{position:sticky;top:calc(env(safe-area-inset-top,0px) + 57px);padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.rail button{display:flex;align-items:center;gap:10px;border:0;background:none;padding:9px 12px;border-radius:8px;cursor:pointer;
  color:var(--ink-2);font-weight:500;text-align:start}
.rail button svg{width:20px;height:20px;flex:none}
.rail button:hover{background:var(--surface)}
.rail button[aria-current="page"]{background:var(--accent-soft);color:var(--accent)}
.main{padding-block:22px 48px;padding-inline:8px 24px;min-width:0;max-width:1180px}
.shell.owner .main{padding-inline:24px;margin-inline:auto;width:100%}
.view{display:flex;flex-direction:column;gap:20px}
.vhead{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px}
.vhead .tools{display:flex;flex-wrap:wrap;gap:8px;align-items:center}

/* controls */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--surface);padding:7px 14px;border-radius:8px;
  cursor:pointer;font-weight:500;font-size:14px;white-space:nowrap}
.btn:hover{border-color:var(--ink-3)}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.pri:hover{filter:brightness(1.08)}
.btn.sm{padding:4px 10px;font-size:13px}
.btn.ghost{background:none}
.btn.danger{color:var(--bad)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.field{display:flex;flex-direction:column;gap:4px;min-width:0}
.field label{font-size:13px;color:var(--ink-2)}
.field input,.field select,.field textarea,.inp{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 10px;width:100%;min-width:0}
textarea{resize:vertical;line-height:1.7}
input[type=range]{accent-color:var(--accent)}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:500;padding:2px 9px;border-radius:999px;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.confirmed,.pill.active{background:var(--accent-soft);color:var(--accent)}
.pill.pending,.pill.trial,.pill.planned{background:var(--warn-soft);color:var(--warn)}
.pill.arrived,.pill.done{background:var(--ok-soft);color:var(--ok)}
.pill.noshow,.pill.late,.pill.suspended{background:var(--bad-soft);color:var(--bad)}
.pill.owned{background:var(--surface-2);color:var(--ink-2)}
.tag{font-size:12px;padding:2px 8px;border-radius:6px;background:var(--bad-soft);color:var(--bad);font-weight:500}

/* surfaces */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;min-width:0}
.panel>h2{margin-bottom:10px}
.cols{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:20px;align-items:start}
.stack{display:flex;flex-direction:column;gap:20px;min-width:0}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.stats>div{padding:14px 16px;border-inline-start:1px solid var(--line)}
.stats>div:first-child{border-inline-start:0}
.stats b{display:block;font:600 22px/1.2 var(--display);font-variant-numeric:tabular-nums}
.stats span{font-size:13px;color:var(--ink-2)}
.rows{display:flex;flex-direction:column}
.row{display:flex;align-items:center;gap:12px;padding:10px 4px;border-top:1px solid var(--line);min-width:0}
.rows .row:first-child{border-top:0}
button.row{background:none;border-inline:0;border-bottom:0;width:100%;text-align:start;cursor:pointer;border-radius:0}
button.row:hover{background:var(--surface-2)}
.row .t{width:64px;flex:none;font-weight:600;font-variant-numeric:tabular-nums;font-size:14px}
.row .w{flex:1;min-width:0}
.row .w b{font-weight:600;display:block}
.row .w span{font-size:13px;color:var(--ink-2)}
.empty{color:var(--ink-2);font-size:14px;padding:12px 4px}
.tblwrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th{font-weight:500;color:var(--ink-2);font-size:13px;text-align:start;padding:6px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
@media (max-width:860px){.tblwrap.wide table{min-width:620px}}
td.n,th.n{text-align:end;font-variant-numeric:tabular-nums;white-space:nowrap}

/* day grid */
.daynav{display:flex;align-items:center;gap:6px}
.daynav strong{min-width:170px;text-align:center;font-weight:600}
.cal{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.calhead,.calbody{display:grid;grid-template-columns:54px repeat(var(--n),minmax(0,1fr))}
.calhead>div{padding:10px 10px;border-bottom:1px solid var(--line);font-weight:600;font-size:14px;border-inline-start:1px solid var(--line);min-width:0}
.calhead>div:first-child{border-inline-start:0}
.calhead small{display:block;font-weight:400;color:var(--ink-2);font-size:12px}
.times{position:relative;height:calc(var(--slot)*var(--slots,20))}
.times span{position:absolute;inset-inline:0;text-align:center;font-size:12px;color:var(--ink-3);transform:translateY(-1px);font-variant-numeric:tabular-nums;padding-top:2px}
.gcol{position:relative;height:calc(var(--slot)*var(--slots,20));border-inline-start:1px solid var(--line);cursor:cell;
  background:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--slot)*2 - 1px),var(--line) calc(var(--slot)*2 - 1px),var(--line) calc(var(--slot)*2))}
.ap{position:absolute;inset-inline:4px;border:0;border-inline-start:3px solid var(--accent);background:var(--accent-soft);color:var(--ink);
  border-radius:6px;padding:3px 8px;text-align:start;cursor:pointer;overflow:hidden;font-size:13px;line-height:1.45;display:block}
.ap b{font-weight:600;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ap span{display:block;color:var(--ink-2);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ap.pending{background:var(--warn-soft);border-inline-start-color:var(--warn);border-inline-start-style:dashed}
.ap.arrived{background:var(--ok-soft);border-inline-start-color:var(--ok)}
.ap.noshow{background:var(--bad-soft);border-inline-start-color:var(--bad)}
.ap.noshow b{text-decoration:line-through}
.legend{display:flex;flex-wrap:wrap;gap:6px 10px}

/* 3D chart */
.chart{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(260px,1fr);gap:20px;align-items:start}
.stage{position:relative;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  background:radial-gradient(120% 90% at 50% 20%,var(--stage-a),var(--stage-b))}
.stage canvas{display:block;width:100%;height:440px;touch-action:none;cursor:grab}
.stage canvas:active{cursor:grabbing}
.stage .hint{position:absolute;inset-inline-start:12px;top:10px;font-size:12px;color:var(--ink-2);pointer-events:none}
.stage .zoom{position:absolute;inset-inline-end:10px;top:10px;display:flex;flex-direction:column;gap:6px}
.stage .zoom .btn{width:34px;height:34px;padding:0;justify-content:center;font-size:18px}
.stage .fail{padding:60px 20px;text-align:center;color:var(--ink-2)}
.vtools{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;padding:10px 12px;border-top:1px solid var(--line);background:var(--surface)}
.vtools .grp{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.vtools label{font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.odo{direction:ltr;display:grid;grid-template-columns:repeat(16,minmax(0,1fr));gap:3px;max-width:640px;margin-inline:auto}
.odo button{aspect-ratio:1/1.15;min-width:0;border:1px solid var(--line);border-radius:6px 6px 9px 9px;background:var(--t-healthy);color:var(--on-enamel);
  cursor:pointer;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;line-height:1.1;font-variant-numeric:tabular-nums}
.odo button i{font-style:normal;font-weight:700;font-size:11px;min-height:12px}
.odo button.caries{background:var(--t-caries);color:var(--on-dark);border-color:transparent}
.odo button.filling{background:var(--t-filling);color:var(--on-dark);border-color:transparent}
.odo button.rct{background:var(--t-rct);color:var(--on-dark);border-color:transparent}
.odo button.crown{background:var(--t-crown);color:var(--on-gold);border-color:transparent}
.odo button.implant{background:var(--t-implant);color:var(--on-dark);border-color:transparent}
.odo button.missing{background:none;border-style:dashed;border-color:var(--ink-3);color:var(--ink-3)}
.odo button[aria-pressed="true"]{outline:2px solid var(--accent);outline-offset:1px}
.odo .gap{grid-column:1/-1;height:6px;border-top:1px dashed var(--line);margin-top:3px}
.odolbl{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-3);max-width:640px;margin-inline:auto;direction:ltr}
.sw{display:inline-flex;align-items:center;gap:6px;font-size:13px}
.sw::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--c);border:1px solid var(--line)}
.states{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.states .btn{justify-content:flex-start}
.states .btn::before{content:"";width:12px;height:12px;border-radius:3px;background:var(--c);border:1px solid var(--line);flex:none}
.toothno{font:700 34px/1 var(--display);color:var(--accent);font-variant-numeric:tabular-nums}

/* messages */
.bubble{background:var(--ok-soft);border-radius:12px 12px 12px 2px;padding:10px 14px;max-width:360px;font-size:14px;white-space:pre-wrap;line-height:1.8}
.vars{display:flex;flex-wrap:wrap;gap:6px}
.vars button{border:1px dashed var(--ink-3);background:none;border-radius:6px;padding:1px 8px;font-size:12px;cursor:pointer;color:var(--ink-2)}
.switch{display:flex;align-items:center;gap:10px}
.switch input{width:18px;height:18px;accent-color:var(--accent)}

/* owner */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.plan{border:1px solid var(--line);border-radius:var(--r);padding:14px;background:var(--surface);display:flex;flex-direction:column;gap:6px}
.plan b.price{font:600 20px/1.2 var(--display);font-variant-numeric:tabular-nums}
.plan ul{margin:0;padding-inline-start:18px;font-size:13px;color:var(--ink-2)}
.models{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}

/* dialog + toast */
dialog{border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);padding:0;width:min(520px,calc(100vw - 32px));box-shadow:var(--shadow)}
dialog::backdrop{background:rgba(8,16,20,.5)}
.dlg{padding:20px;display:flex;flex-direction:column;gap:14px}
.dlg .g2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.dlg .acts{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-start}
.err{color:var(--bad);background:var(--bad-soft);border-radius:8px;padding:8px 12px;font-size:14px}
.toast{position:fixed;inset-inline:0;bottom:calc(env(safe-area-inset-bottom,0px) + 84px);display:flex;justify-content:center;pointer-events:none;z-index:50}
.toast div{background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:10px;font-size:14px;max-width:min(520px,calc(100vw - 32px));box-shadow:var(--shadow)}

@media (max-width:860px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .rail{position:fixed;inset-inline:0;bottom:0;top:auto;z-index:30;flex-direction:row;justify-content:space-around;gap:0;background:var(--surface);
    border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom,0px))}
  .rail button{flex-direction:column;gap:2px;font-size:11px;padding:5px 6px;flex:1;align-items:center;min-width:0}
  .main,.shell.owner .main{padding-inline:16px;padding-block:16px 96px}
  .cols,.chart{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats>div:nth-child(3){border-inline-start:0}
  .stats>div:nth-child(n+3){border-top:1px solid var(--line)}
  .plans,.models{grid-template-columns:minmax(0,1fr)}
  .stage canvas{height:340px}
  .top{padding:8px 16px}
  .brand{flex:1 1 150px;max-width:none}
  .top .grow{display:none}
  .clinic{display:none}
  h1{font-size:21px}
  .daynav strong{min-width:130px;font-size:14px}
  .dlg .g2{grid-template-columns:minmax(0,1fr)}
  .odo{gap:2px}.odo button{font-size:9px;border-radius:4px}.odo button i{font-size:9px;min-height:10px}
}
/* real-app additions */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px}
.authbox{width:min(420px,100%);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}
.authbox .brand{max-width:none;flex:none}
.authbox .brand-name{white-space:normal;overflow-wrap:anywhere}
.user{display:flex;align-items:center;gap:8px}
.banner{border-radius:var(--r);padding:10px 14px;font-size:14px;display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;justify-content:space-between}
.banner.warn{background:var(--warn-soft);color:var(--warn)}
.banner.bad{background:var(--bad-soft);color:var(--bad)}
.banner.ok{background:var(--ok-soft);color:var(--ok)}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.form .full{grid-column:1/-1}
.loading{color:var(--ink-2);padding:48px 0;text-align:center}
.pill.sent{background:var(--accent-soft);color:var(--accent)}
.pill.delivered,.pill.read{background:var(--ok-soft);color:var(--ok)}
.pill.failed{background:var(--bad-soft);color:var(--bad)}
.pill.received{background:var(--surface-2);color:var(--ink-2)}
code.k{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:3px 8px;font-size:12px;word-break:break-all;direction:ltr;display:inline-block;text-align:left;white-space:pre-wrap}
ol.steps{margin:0;padding-inline-start:20px;font-size:14px;color:var(--ink-2);display:flex;flex-direction:column;gap:4px}
td select,td input[type=date]{border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:4px 6px;max-width:150px}
@media (max-width:860px){.form{grid-template-columns:minmax(0,1fr)}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}