:root{
  --bg:#f3f4f1;--panel:#fff;--ink:#15181b;--ink2:#3b4249;--muted:#6b737b;--line:#e2e4df;--line2:#cfd3cc;
  --accent:#b8e04a;--accent-ink:#15181b;--focus:#2d6cdf;
  --pending:#a86b00;--pending-bg:#fff4dc;--confirmed:#1f5fbf;--confirmed-bg:#e6efff;
  --attended:#1d7a45;--attended-bg:#e3f5ea;--noshow:#b42318;--noshow-bg:#fde8e6;--cancelled:#6b737b;--cancelled-bg:#eef0ec;
  --bar:#2f6f4f;--bar-hover:#1f5039;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:"IBM Plex Sans",ui-sans-serif,system-ui,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.5 var(--sans);color:var(--ink);background:var(--bg)}
a{color:inherit}
h1{font-size:1.5rem;letter-spacing:-.02em;margin:0}
h2{font-size:1.05rem;margin:0 0 12px}
h3{font-size:.95rem;margin:0}
.mono,.num{font-family:var(--mono)}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.small{font-size:.85rem}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

/* layout */
.shell{display:grid;grid-template-columns:228px 1fr;min-height:100vh}
.side{background:var(--ink);color:#d9dde1;padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:18px}
.brand{font-family:var(--mono);font-weight:600;color:#fff;text-decoration:none;padding:4px 10px;font-size:.95rem}
.brand{display:flex;align-items:center;gap:8px}
.brand img{display:block}
.brand b{color:var(--accent);font-weight:600}
.biz{padding:0 10px;font-size:.8rem;color:#9aa3ab;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:4px;text-decoration:none;font-size:.9rem;color:#c4cad0}
.nav a:hover{background:#22272c;color:#fff}
.nav a.on{background:#2a3036;color:#fff;box-shadow:inset 3px 0 0 var(--accent)}
.nav .sep{height:1px;background:#2a3036;margin:8px 10px}
.side-foot{margin-top:auto;padding:0 10px;font-size:.8rem}
.side-foot button{background:none;border:0;color:#9aa3ab;padding:0;cursor:pointer;font:inherit}
.side-foot button:hover{color:#fff}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#59616a}
.dot.ok{background:var(--accent)}.dot.warn{background:#f0b429}

main{padding:28px 32px 60px;min-width:0}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.page-head p{margin:4px 0 0;color:var(--muted)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:18px}
.card + .card{margin-top:16px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.card-head h2{margin:0}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:4px;border:1px solid var(--ink);background:var(--ink);color:#fff;font:600 .88rem var(--sans);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:#2a3036}
.btn.ghost{background:var(--panel);color:var(--ink);border-color:var(--line2)}
.btn.ghost:hover{border-color:var(--ink)}
.btn.accent{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{background:var(--panel);color:var(--noshow);border-color:#f1b5ae}
.btn.danger:hover{background:var(--noshow-bg)}
.btn.sm{padding:4px 9px;font-size:.8rem}
.btn[disabled]{opacity:.5;cursor:not-allowed}
label{display:block;font-size:.82rem;font-weight:600;color:var(--ink2);margin-bottom:4px}
.field{margin-bottom:14px}
.hint{font-size:.8rem;color:var(--muted);margin-top:4px;font-weight:400}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],input[type=tel],input[type=url],input[type=search],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line2);border-radius:4px;background:#fff;font:inherit;color:var(--ink)}
textarea{min-height:80px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--focus);outline-offset:-1px;border-color:transparent}
.check{display:flex;gap:8px;align-items:center;font-weight:500;font-size:.9rem;margin:0}
.checks{display:flex;flex-wrap:wrap;gap:8px 18px}

/* flashes */
.flash{padding:10px 14px;border-radius:4px;margin-bottom:16px;border:1px solid;font-size:.9rem}
.flash.ok{background:var(--attended-bg);border-color:#b4e0c4;color:#14532d}
.flash.error{background:var(--noshow-bg);border-color:#f4bdb6;color:#7a1a12}
.notice{padding:12px 14px;border-radius:4px;background:var(--pending-bg);border:1px solid #f3d79c;color:#5c3d00;font-size:.88rem}

/* KPIs */
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:14px 16px}
.kpi .k{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.kpi .v{font-family:var(--mono);font-size:1.6rem;font-weight:500;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:.8rem;color:var(--muted)}

/* status */
.st{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:3px;white-space:nowrap}
.st:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.st-pending{color:var(--pending);background:var(--pending-bg)}
.st-confirmed{color:var(--confirmed);background:var(--confirmed-bg)}
.st-attended{color:var(--attended);background:var(--attended-bg)}
.st-no_show{color:var(--noshow);background:var(--noshow-bg)}
.st-cancelled{color:var(--cancelled);background:var(--cancelled-bg)}
.tag{font-family:var(--mono);font-size:.72rem;color:var(--muted);border:1px solid var(--line);padding:1px 6px;border-radius:3px}

/* tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line2);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.r,th.r{text-align:right}
tbody tr.link{cursor:pointer}
tbody tr.link:hover{background:#f8f9f6}
.empty{padding:28px;text-align:center;color:var(--muted);font-size:.9rem}

/* agenda */
.agenda{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:14px;overflow-x:auto;padding-bottom:6px}
.col h3{font-size:.85rem;padding:0 2px 8px;display:flex;justify-content:space-between}
.col-body{display:flex;flex-direction:column;gap:8px}
.appt{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--line2);border-radius:4px;padding:10px 12px}
.appt.s-pending{border-left-color:var(--pending)}.appt.s-confirmed{border-left-color:var(--confirmed)}
.appt.s-attended{border-left-color:var(--attended)}.appt.s-no_show{border-left-color:var(--noshow)}
.appt.s-cancelled{border-left-color:var(--cancelled);opacity:.7}
.appt-top{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.appt-time{font-family:var(--mono);font-weight:600;font-size:.9rem}
.appt-who{font-weight:600;margin-top:2px}
.appt-what{font-size:.85rem;color:var(--muted)}
.appt-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.appt-form{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}
.appt-form .full{grid-column:1/-1}

.slots{display:flex;flex-wrap:wrap;gap:6px}
.slots input{position:absolute;opacity:0;pointer-events:none}
.slots label{margin:0;font-family:var(--mono);font-weight:500;padding:6px 10px;border:1px solid var(--line2);border-radius:4px;background:#fff;cursor:pointer}
.slots label:has(input:checked){background:var(--ink);color:#fff;border-color:var(--ink)}
.slots input:focus-visible + span{outline:2px solid var(--focus)}

/* hours grid */
.hours td{padding:6px 8px}
.hours input[type=time]{width:auto;min-width:104px}

/* checklist */
.setup li{display:flex;gap:10px;align-items:center;padding:6px 0;font-size:.9rem}
.setup ul{list-style:none;margin:0;padding:0}
.tick{font-family:var(--mono);width:18px;text-align:center}
.tick.ok{color:var(--attended)}.tick.no{color:var(--muted)}

/* charts */
.chart{position:relative;height:180px;display:flex;align-items:flex-end;gap:2px;border-bottom:1px solid var(--line2);padding-top:8px}
.chart .b{flex:1;min-width:2px;display:flex;align-items:flex-end;height:100%;position:relative;cursor:default}
.chart .b i{display:block;width:100%;background:var(--bar);border-radius:4px 4px 0 0;min-height:0}
.chart .b:hover i{background:var(--bar-hover)}
.chart .b .tip{display:none;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;font-size:.75rem;padding:6px 8px;border-radius:4px;white-space:nowrap;z-index:2;pointer-events:none}
.chart .b:hover .tip,.chart .b:focus .tip{display:block}
.chart-axis{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:6px}
.gridline{position:absolute;left:0;right:0;border-top:1px dashed var(--line);font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.gridline span{position:absolute;top:-9px;left:0;background:var(--panel);padding-right:4px}
.hbar{display:grid;grid-template-columns:minmax(90px,1.2fr) 2fr auto;gap:10px;align-items:center;padding:6px 0;font-size:.88rem}
.hbar .track{height:10px;background:#f0f1ed;border-radius:4px;overflow:hidden}
.hbar .track i{display:block;height:100%;background:var(--bar);border-radius:0 4px 4px 0}
.hbar .val{font-family:var(--mono);font-size:.82rem;text-align:right;white-space:nowrap}
.seg{display:inline-flex;border:1px solid var(--line2);border-radius:4px;overflow:hidden}
.seg a{padding:6px 11px;font-size:.82rem;text-decoration:none;border-right:1px solid var(--line2);background:#fff}
.seg a:last-child{border-right:0}
.seg a.on{background:var(--ink);color:#fff}
details summary{cursor:pointer;font-size:.85rem;color:var(--ink2);margin-top:12px}

/* simulator */
.phone{max-width:420px;background:#e9e4dc;border:1px solid var(--line2);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;height:min(640px,75vh)}
.phone-head{background:#1f2c33;color:#fff;padding:10px 14px;font-size:.9rem;display:flex;justify-content:space-between;align-items:center}
.chat{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:6px}
.msg{max-width:85%;padding:7px 10px;border-radius:7px;font-size:.88rem;white-space:pre-wrap;word-wrap:break-word;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.msg.in{background:#fff;align-self:flex-start}
.msg.out{background:#d9fdd3;align-self:flex-end}
.msg.sys{align-self:center;background:#fff6d5;font-size:.78rem;color:#5c3d00;max-width:95%}
.composer{display:flex;gap:8px;padding:10px;background:#f0f0f0}
.composer input{flex:1}

/* login */
.auth{min-height:100vh;display:grid;place-items:center;padding:16px}
.auth .card{width:min(380px,100%);padding:28px}
.auth .brand{color:var(--ink);padding:0;display:flex;margin-bottom:18px;font-size:1.1rem}
.auth .brand b{color:#5b8a00}

.qr{display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:6px;padding:16px;width:fit-content}
.qr img{width:260px;height:260px;image-rendering:pixelated}
.secret{font-family:var(--mono);font-size:1.1rem;background:#f6f7f4;border:1px dashed var(--line2);padding:10px 14px;border-radius:4px;user-select:all}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:sticky;height:auto;flex-direction:row;align-items:center;padding:10px 12px;gap:10px;z-index:5;overflow-x:auto}
  .biz,.side-foot,.nav .sep{display:none}
  .nav{flex-direction:row}
  .nav a{white-space:nowrap;padding:6px 10px}
  main{padding:20px 16px 48px}
  .g2,.g3,.g4{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .g2,.g3{grid-template-columns:1fr}
  .appt-form{grid-template-columns:1fr}
  .hbar{grid-template-columns:1fr auto}.hbar .track{grid-column:1/-1;order:3}
}