/* Practice support desk (sample). Layout concept: a working support desk in three rooms (Desk, Help centre, Number moves), in PC Consulting's own teal and amber. Single light theme on purpose. */
:root{
  --bg:#F5F4EE; --surface:#FFFFFF; --surface-2:#ECEAE1; --ink:#0D1F24; --ink-2:#3B4B50; --muted:#69777B; --line:#DAD7CB;
  --teal:#0C6F68; --teal-2:#2F9C93; --teal-soft:#D8ECE8; --coral:#C97E12; --coral-soft:#F8ECD2; --slate:#1E5B93; --slate-soft:#DDE9F5;
  --amber:#8F5A06; --amber-soft:#F8ECD2;
  --display:'Bricolage Grotesque',system-ui,-apple-system,'Segoe UI',sans-serif; --body:'Instrument Sans',system-ui,-apple-system,'Segoe UI',sans-serif; --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
  --gutter:clamp(18px,4vw,44px); color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.6 var(--body);-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;margin:0;letter-spacing:-.015em;line-height:1.1;text-wrap:balance}
h1{font-size:clamp(36px,5.4vw,64px)}
h2{font-size:clamp(28px,3.4vw,40px)}
h3{font-size:21px;line-height:1.25}
em{font-style:normal;color:var(--teal)}
p{margin:0 0 1em;text-wrap:pretty}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px;border-radius:6px}
.wrap{max-width:1220px;margin:0 auto;padding-inline:var(--gutter)}
.label{font:600 11.5px/1.2 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
.lead{font-size:clamp(17px,1.5vw,19.5px);line-height:1.55;color:var(--ink-2);max-width:62ch;margin:0}

/* top bar */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:rgba(245,244,238,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{font:600 19px/1 var(--display);color:var(--ink);text-decoration:none;display:flex;align-items:baseline;gap:10px}
.brand small{font:600 10.5px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:#1C1400;background:#E7A13A;padding:5px 8px;border-radius:99px;transform:translateY(-2px)}
.tabs{display:flex;gap:4px;background:var(--surface);border:1px solid var(--line);padding:5px;border-radius:99px}
.tabs button{border:0;background:transparent;padding:10px 16px;border-radius:99px;font:500 14.5px/1 var(--body);color:var(--ink-2);cursor:pointer;white-space:nowrap}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected="true"]{background:var(--teal);color:#fff}
@media (max-width:820px){.bar .wrap{flex-wrap:wrap;padding-block:12px}.tabs{width:100%;overflow-x:auto}.tabs button{flex:1;padding:10px 12px}}

/* intro */
.intro{padding-block:clamp(44px,7vw,88px) clamp(36px,5vw,60px)}
.intro h1{margin-top:18px;max-width:17ch}
.intro .lead{margin-top:22px}
.rooms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:clamp(32px,4vw,52px)}
.room{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px 26px;cursor:pointer;display:flex;flex-direction:column;gap:12px;transition:transform .15s,border-color .15s}
.room:hover{transform:translateY(-3px);border-color:var(--teal-2)}
.room .n{font:500 13px/1 var(--mono);color:var(--coral)}
.room p{color:var(--ink-2);font-size:15.5px;margin:0}
.room .go{margin-top:auto;padding-top:10px;font:600 14.5px/1 var(--body);color:var(--teal)}
@media (max-width:860px){.rooms{grid-template-columns:1fr}}
.honest{margin-top:26px;font-size:14.5px;color:var(--muted);max-width:86ch}

.panel{padding-block:clamp(36px,5vw,64px) clamp(56px,8vw,104px)}
.panel-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:20px clamp(28px,5vw,80px);align-items:end;margin-bottom:clamp(28px,4vw,44px)}
.panel-head h2{margin-top:14px}
@media (max-width:860px){.panel-head{grid-template-columns:1fr}}
.chip{display:inline-flex;align-items:center;font:600 11px/1 var(--body);letter-spacing:.08em;text-transform:uppercase;padding:6px 9px;border-radius:99px;white-space:nowrap}
.c-teal{background:var(--teal-soft);color:var(--teal)}.c-coral{background:#F6E0DC;color:#A5382D}.c-slate{background:var(--slate-soft);color:var(--slate)}.c-amber{background:var(--amber-soft);color:var(--amber)}

/* desk */
.desk{display:grid;grid-template-columns:minmax(0,360px) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:940px){.desk{grid-template-columns:1fr}}
.inbox{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.inbox-h{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;font:600 13px/1 var(--body);color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.inbox button{display:block;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;padding:18px 22px;cursor:pointer}
.inbox button:last-child{border-bottom:0}
.inbox button:hover{background:var(--bg)}
.inbox button[aria-current="true"]{background:var(--teal-soft)}
.inbox .who{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--muted);margin-bottom:6px}
.inbox .subj{font:600 15.5px/1.35 var(--body);color:var(--ink)}
.inbox .state{display:block;margin-top:10px}
.inbox .subj{display:block}
.case{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;min-width:0}
.case-h{padding:26px 30px 22px;border-bottom:1px solid var(--line)}
.case-h h3{font-size:clamp(22px,2.4vw,28px);margin-top:12px}
.msgin{margin:22px 30px 0;background:var(--bg);border-radius:16px 16px 16px 4px;padding:18px 20px;font-size:16px;color:var(--ink)}
.msgin b{display:block;font:600 12.5px/1 var(--body);color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px}
.rail{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;padding:26px 30px 0}
.rail button{border:0;background:transparent;padding:0;cursor:pointer;text-align:left}
.rail i{display:block;height:5px;border-radius:99px;background:var(--line);transition:background .25s}
.rail span{display:block;margin-top:9px;font:600 12px/1.2 var(--body);letter-spacing:.04em;color:var(--muted)}
.rail button.on i{background:var(--teal-2)}.rail button.on span{color:var(--teal)}
.rail button.cur i{background:#E7A13A}.rail button.cur span{color:var(--ink)}
@media (max-width:560px){.rail span{font-size:10px}}
.stepbox{margin:22px 30px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;animation:rise .28s ease}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.stepbox-h{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 18px;background:var(--surface-2);font:600 12.5px/1.2 var(--body);letter-spacing:.06em;text-transform:uppercase;color:var(--teal)}
.stepbox-b{padding:18px;font-size:16px;color:var(--ink-2);white-space:pre-line}
.stepbox-b.note{font-family:var(--mono);font-size:13.5px;line-height:1.65;background:#FBFAF6}
.stepbox-b ol{margin:0;padding-left:20px;white-space:normal}
.stepbox-b li{margin-bottom:6px}
.case-f{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:22px 30px 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:99px;padding:14px 22px;font:600 15.5px/1 var(--body);cursor:pointer;text-decoration:none;white-space:nowrap}
.btn-p{background:#E7A13A;color:#1C1400}.btn-p:hover{filter:brightness(1.06)}
.btn-s{background:transparent;border-color:var(--line);color:var(--ink)}.btn-s:hover{background:var(--bg)}
.btn-t{background:var(--teal);color:#fff}
.hint{font-size:14px;color:var(--muted)}
@media (max-width:560px){.case-h,.case-f{padding-inline:20px}.msgin,.stepbox{margin-inline:20px}.rail{padding-inline:20px}}

/* help centre */
.help{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:940px){.help{grid-template-columns:1fr}}
.hsearch{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.hsearch .s{padding:18px;border-bottom:1px solid var(--line)}
.hsearch input{width:100%;font:400 16px/1.3 var(--body);padding:14px 16px;border-radius:99px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.hsearch button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;padding:16px 20px;cursor:pointer;font:500 15.5px/1.35 var(--body);color:var(--ink)}
.hsearch button:last-child{border-bottom:0}
.hsearch button:hover{background:var(--bg)}
.hsearch button[aria-current="true"]{background:var(--teal-soft)}
.hsearch .none{padding:20px;color:var(--muted);font-size:15px}
.article{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:clamp(24px,3.5vw,44px);min-width:0;animation:rise .28s ease}
.article h3{font-size:clamp(26px,3vw,34px);margin:14px 0 8px}
.article .sum{font-size:18px;color:var(--ink-2);margin-bottom:8px}
.article h4{font:600 17px/1.3 var(--body);letter-spacing:0;margin:26px 0 8px;color:var(--ink)}
.article p,.article li{color:var(--ink-2);font-size:16.5px}
.article ol,.article ul{margin:0 0 1em;padding-left:22px}
.article li{margin-bottom:7px}
.article .tip{border-left:3px solid var(--coral);background:var(--coral-soft);padding:14px 18px;border-radius:0 14px 14px 0;color:var(--ink);margin-top:22px;font-size:15.5px}
.article .meta{display:flex;gap:8px;flex-wrap:wrap}

/* number moves */
.board{background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.board-h{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.8fr) 210px;gap:16px;padding:14px 24px;background:var(--surface-2);font:600 12px/1.2 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.prow{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1.8fr) 210px;gap:16px;align-items:center;width:100%;text-align:left;border:0;border-top:1px solid var(--line);background:transparent;padding:18px 24px;cursor:pointer}
.prow:hover{background:var(--bg)}
.prow[aria-current="true"]{background:var(--teal-soft)}
.prow b{font:600 16px/1.3 var(--body);display:block}
.prow small{font-size:13.5px;color:var(--muted)}
.track{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}
.track i{height:8px;border-radius:99px;background:var(--line)}
.track i.on{background:var(--teal-2)}.track i.cur{background:#E7A13A}.track i.bad{background:#C0392B}
.track-l{display:flex;justify-content:space-between;font-size:11.5px;color:var(--muted);margin-top:7px}
@media (max-width:760px){.board-h{display:none}.prow{grid-template-columns:1fr;gap:10px}}
.pdetail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;margin-top:20px;animation:rise .28s ease}
@media (max-width:860px){.pdetail{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:26px;min-width:0}
.card h3{margin-bottom:6px}
.card .k{font:600 12px/1.2 var(--body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:20px 0 8px}
.card p,.card li{color:var(--ink-2);font-size:16px}
.card ul{margin:0;padding-left:20px}.card li{margin-bottom:6px}
.msgout{background:var(--bg);border-radius:16px;padding:18px;font-size:15.5px;color:var(--ink);white-space:pre-line}
.cardtop{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.copy{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:8px 13px;font:600 13px/1 var(--body);cursor:pointer}
.copy:hover{border-color:var(--teal);color:var(--teal)}

.close{background:var(--teal);color:#fff;border-radius:28px;padding:clamp(28px,5vw,60px);margin-block:8px clamp(40px,6vw,80px);display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:24px;align-items:center}
.close h2{color:#fff}
.close p{color:#D4ECEA;margin:14px 0 0;max-width:56ch}
.close .btn{background:#fff;color:var(--teal)}
@media (max-width:760px){.close{grid-template-columns:1fr}}
footer{padding-block:8px 44px;font-size:14px;color:var(--muted)}