/* Shared styles for /book and /admin. Layout: one centred column, dark ERA navy, cyan→violet accent. */
:root{
  --ink:#0B1020; --navy:#10172D; --card:#141C36; --line:#24305A; --mist:#E9EDF7; --muted:#A3ADC8;
  --cyan:#22D3EE; --violet:#7C5CFF; --ok:#3DDC84; --warn:#F5B841; --bad:#FF6B6B;
  --grad:linear-gradient(120deg,#22D3EE,#7C5CFF);
  --fd:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif; --fb:"Manrope","Segoe UI",system-ui,sans-serif; --fm:"JetBrains Mono",Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:radial-gradient(ellipse at top,#1A2246 0%,var(--ink) 55%) fixed,var(--ink);color:var(--mist);font:15px/1.55 var(--fb);min-height:100vh}
a{color:var(--cyan)}
img{max-width:100%;display:block}
.wrap{max-width:1040px;margin:0 auto;padding:0 max(16px,env(safe-area-inset-right,0px)) 60px max(16px,env(safe-area-inset-left,0px))}
.top{display:flex;align-items:center;gap:12px;padding:18px 0;flex-wrap:wrap}
.top img{width:36px;height:36px;border-radius:9px}
.top b{font:800 16px var(--fd);letter-spacing:.04em}
.top span{font:600 10px var(--fm);letter-spacing:.2em;color:var(--muted);display:block}
.top nav{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.chipbtn{border:1px solid var(--line);border-radius:20px;padding:7px 14px;color:var(--mist);text-decoration:none;font:700 13px var(--fb);background:transparent;cursor:pointer}
.chipbtn:hover,.chipbtn:focus-visible{border-color:var(--cyan)}
h1{font:800 clamp(30px,5vw,46px)/1.02 var(--fd);letter-spacing:-.03em;text-wrap:balance;margin:18px 0 10px}
h2{font:700 20px/1.2 var(--fd);margin-bottom:10px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);max-width:62ch;font-size:16px}
.kick{font:700 11px var(--fm);letter-spacing:.2em;text-transform:uppercase;color:var(--cyan)}
.tabs{display:flex;gap:6px;margin:26px 0 18px;border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;color:var(--muted);font:700 15px var(--fb);padding:10px 14px;border-bottom:2px solid transparent;cursor:pointer}
.tabs button[aria-selected="true"]{color:#fff;border-color:var(--cyan)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid .full{grid-column:1/-1}
@media (max-width:680px){.grid{grid-template-columns:1fr}}
label.f{display:flex;flex-direction:column;gap:6px;font:700 11px var(--fm);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);min-width:0}
input,select,textarea{font:500 15px var(--fb);color:var(--mist);background:var(--navy);border:1px solid var(--line);border-radius:10px;padding:11px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--violet);outline-offset:1px;border-color:transparent}
textarea{resize:vertical;min-height:96px}
.req::after{content:" *";color:var(--cyan)}
.days{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.day{flex:none;width:68px;border:1px solid var(--line);border-radius:12px;background:var(--navy);color:var(--mist);padding:8px 4px;text-align:center;cursor:pointer}
.day small{display:block;font:700 10px var(--fm);letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.day b{font:800 20px var(--fd)}
.day[aria-pressed="true"],.slot[aria-pressed="true"]{background:var(--grad);border-color:transparent;color:#fff}
.day[aria-pressed="true"] small{color:#fff}
.slots{display:flex;flex-wrap:wrap;gap:8px;min-height:44px;align-items:center}
.slot{border:1px solid var(--line);border-radius:10px;background:var(--navy);color:var(--mist);font:700 14px var(--fm);padding:9px 14px;cursor:pointer}
.slots .none{color:var(--muted);font-size:14px}
.radios{display:flex;flex-wrap:wrap;gap:8px}
.radios label{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:9px 12px;cursor:pointer;font-weight:600;font-size:14px;text-transform:none;letter-spacing:0;color:var(--mist)}
.radios input{width:auto;accent-color:var(--violet)}
.radios label:has(input:checked){border-color:var(--cyan);background:rgba(34,211,238,.08)}
.btn{border:0;border-radius:24px;padding:12px 22px;font:800 15px var(--fb);background:var(--grad);color:#fff;cursor:pointer;display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--mist)}
.btn.wa{background:#25D366;color:#05351A}
.btn[disabled]{opacity:.6;cursor:wait}
.msg{margin-top:10px;font-weight:700;min-height:22px}
.msg.err{color:var(--bad)}.msg.ok{color:var(--ok)}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.side{display:grid;gap:12px;align-content:start}
.side .panel{padding:18px}
.side p{color:var(--muted);font-size:14px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}
@media (max-width:860px){.layout{grid-template-columns:minmax(0,1fr)}}
.layout>main,.panel,.days{min-width:0}
.done{text-align:left}
.done .ref{font:800 26px var(--fm);color:#fff;margin:6px 0 12px}
.done dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:12px 0 18px;font-size:15px}
.done dt{color:var(--muted)}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.fine{font-size:13px;color:var(--muted)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* calendar picker */
.pick{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:720px){.pick{grid-template-columns:minmax(0,1fr)}}
.cal{background:var(--navy);border:1px solid var(--line);border-radius:14px;padding:12px}
.cal-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.cal-head b{font:800 16px var(--fd)}
.cal-nav{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--mist);font-size:18px;cursor:pointer}
.cal-nav:disabled{opacity:.3;cursor:default}
.cal-dow,.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.cal-dow span{font:700 10px var(--fm);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);text-align:center;padding:4px 0}
.cd{aspect-ratio:1;max-width:100%;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--mist);font:700 14px var(--fm);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0}
.cd.blank{border:0;background:none}
.cd:disabled{background:transparent;border-color:transparent;color:#4A5682;cursor:default;text-decoration:line-through}
.cd.today{box-shadow:inset 0 0 0 1px var(--cyan)}
.cd[aria-pressed="true"]{background:var(--grad);border-color:transparent;color:#fff}
.cd:not(:disabled):hover{border-color:var(--cyan)}
.cal-key{margin-top:8px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.cal-key i{display:inline-block;width:12px;height:12px;border-radius:3px;border:1px solid var(--line);background:var(--card)}
.cal-key i.k-closed{background:transparent;border-color:#4A5682}
.slotbox .kick{margin-bottom:10px}