:root{
  --red:#e4022d; --red-dark:#b80226; --red-light:#fde7ea;
  --navy:#1d2733; --navy-2:#28374a;
  --gold:#b9975b; --gold-bg:#f6f1e8; --gold-ink:#8a6d33;
  --sand:#faf9f7; --ink:#1d2733; --muted:#6b7278; --line:#e6e3dd;
  --white:#ffffff; --wa:#25d366;
  --radius:14px; --shadow:0 2px 10px rgba(29,39,51,.07);
  font-size:16px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--sand);color:var(--ink);min-height:100vh}
#app{max-width:430px;margin:0 auto;min-height:100vh;background:var(--sand);position:relative;display:flex;flex-direction:column}
.screen{display:none;flex:1;flex-direction:column;padding-bottom:84px}
.screen.active{display:flex}
header{background:var(--navy);color:#fff;padding:18px 20px 14px;position:sticky;top:0;z-index:10}
header .brand{font-size:1.35rem;font-weight:800;letter-spacing:.5px}
header .brand span{color:var(--gold)}
header .sub{font-size:.8rem;opacity:.85;margin-top:2px}
header .byline{font-size:.6rem;letter-spacing:2px;color:var(--gold);text-transform:uppercase;margin-top:5px;font-weight:700}
.pill{display:inline-block;background:var(--red);border-radius:20px;padding:3px 10px;font-size:.75rem;font-weight:700}
.lang-toggle{background:rgba(255,255,255,.14);border:none;color:#fff;border-radius:16px;padding:4px 10px;font-size:.72rem;font-weight:800;cursor:pointer;letter-spacing:1px}
.content{padding:16px 16px 8px;display:flex;flex-direction:column;gap:12px}
.card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px 16px;border:1px solid var(--line)}
.match-card{cursor:pointer;transition:transform .08s}
.match-card:active{transform:scale(.985)}
.match-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.match-course{font-weight:700;font-size:1.02rem}
.match-when{color:var(--red);font-weight:700;font-size:.85rem;margin-top:2px}
.match-note{color:var(--muted);font-size:.83rem;margin-top:6px}
.tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:8px}
.slots{display:flex;gap:4px;margin-top:10px}
.slot{width:26px;height:26px;border-radius:50%;background:var(--red-light);border:1.5px dashed var(--red);display:flex;align-items:center;justify-content:center;font-size:.7rem;color:var(--red);font-weight:700}
.slot.full{background:var(--red);color:#fff;border-style:solid;border-color:var(--red)}
.badge{background:var(--gold-bg);color:var(--gold-ink);border-radius:8px;padding:3px 8px;font-size:.72rem;font-weight:700;white-space:nowrap}
.badge.red{background:var(--red-light);color:var(--red)}
.badge.navy{background:#e8edf4;color:var(--navy)}
.badge.offer{background:var(--navy);color:#ffd76a}
.row{display:flex;align-items:center;gap:8px}
.spread{justify-content:space-between}
.ad{background:linear-gradient(100deg,var(--navy),#37241f);color:#fff;border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;gap:12px;position:relative;overflow:hidden;cursor:pointer}
.ad .tag{position:absolute;top:6px;right:10px;font-size:.6rem;opacity:.7;letter-spacing:1px}
.ad .logo{font-weight:800;font-size:1rem;letter-spacing:1px;border:2px solid var(--gold);color:var(--gold);border-radius:8px;padding:6px 9px}
.ad p{font-size:.82rem;line-height:1.3}
.ad small{opacity:.8}
.btn{display:block;width:100%;background:var(--red);color:#fff;border:none;border-radius:12px;padding:14px;font-size:1rem;font-weight:700;cursor:pointer;text-align:center}
.btn:active{background:var(--red-dark)}
.btn.ghost{background:transparent;color:var(--red);border:1.5px solid var(--red)}
.btn.navy{background:var(--navy)}
.btn.wa{background:var(--wa)}
.btn.small{width:auto;padding:9px 16px;font-size:.85rem;border-radius:10px}
.btn:disabled{background:#c3bfb8;cursor:default}
label{font-size:.8rem;font-weight:700;color:var(--muted);display:block;margin:12px 0 5px}
input,select,textarea{width:100%;padding:12px;border:1.5px solid var(--line);border-radius:10px;font-size:1rem;background:#fff;color:var(--ink);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--red)}
.seg{display:flex;border:1.5px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.seg button{flex:1;border:none;background:none;padding:10px 4px;font-size:.8rem;font-weight:700;color:var(--muted);cursor:pointer;font-family:inherit}
.seg button.on{background:var(--navy);color:#fff}
.hint{font-size:.72rem;color:var(--muted);margin-top:4px}
.hint b{color:var(--gold-ink)}
.err{font-size:.8rem;color:var(--red);font-weight:700;margin-top:8px;display:none}
nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:#fff;border-top:1px solid var(--line);display:flex;z-index:20;padding-bottom:env(safe-area-inset-bottom)}
nav button{flex:1;background:none;border:none;padding:10px 0 8px;font-size:.62rem;color:var(--muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px;font-weight:600}
nav button .ico{font-size:1.3rem;line-height:1}
nav button.on{color:var(--red)}
h2.sec{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:6px 2px 0}
.chat{display:flex;flex-direction:column;gap:8px}
.msg{max-width:80%;padding:9px 12px;border-radius:14px;font-size:.88rem;background:#fff;border:1px solid var(--line);align-self:flex-start}
.msg.me{background:var(--navy);color:#fff;align-self:flex-end;border:none}
.msg .who{font-size:.68rem;font-weight:700;color:var(--red);margin-bottom:2px}
.offer-card{border:1.5px solid var(--line);border-radius:12px;padding:12px;background:#fff}
.offer-club{font-weight:800;font-size:.95rem}
.offer-tiers{display:flex;gap:6px;margin:9px 0}
.tier{flex:1;text-align:center;background:var(--sand);border:1px solid var(--line);border-radius:10px;padding:8px 4px}
.tier b{display:block;font-size:.95rem;color:var(--navy)}
.tier span{font-size:.65rem;color:var(--muted);font-weight:700}
.tier.best{background:var(--red-light);border-color:var(--red)}
.tier.best b{color:var(--red)}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;flex-shrink:0}
.avatar.sm{width:34px;height:34px;font-size:.85rem}
.back{background:none;border:none;color:#fff;font-size:1rem;cursor:pointer;padding:0;margin-bottom:6px;font-weight:600}
.toast{position:fixed;bottom:96px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 20px;border-radius:24px;font-size:.85rem;z-index:50;opacity:0;transition:opacity .25s;pointer-events:none;white-space:nowrap;max-width:92%;text-overflow:ellipsis;overflow:hidden}
.toast.show{opacity:1}
.empty{text-align:center;color:var(--muted);padding:28px 16px;font-size:.9rem}
.fab-note{font-size:.75rem;color:var(--muted);text-align:center;margin-top:2px}
.demo-banner{background:#fff8e1;border-bottom:1px solid #f0e3b0;color:#7a6414;font-size:.72rem;text-align:center;padding:5px 10px;display:none}
.person-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}
.person-row:last-child{border-bottom:none}
.person-row .info{flex:1;min-width:0}
.person-row .info b{font-size:.92rem;display:block}
.person-row .info span{font-size:.75rem;color:var(--muted)}
.iconbtn{border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:8px 10px;font-size:1rem;cursor:pointer}
.zone-bar{display:flex;gap:6px;overflow-x:auto;padding:10px 16px 0;scrollbar-width:none}
.zone-bar::-webkit-scrollbar{display:none}
.zone-chip{border:1.5px solid var(--line);background:#fff;color:var(--muted);border-radius:18px;padding:6px 13px;font-size:.78rem;font-weight:700;cursor:pointer;white-space:nowrap}
.zone-chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.auth-logo{text-align:center;padding:44px 0 8px}
.auth-logo .big{font-size:2.3rem;font-weight:800;color:var(--navy)}
.auth-logo .big span{color:var(--red)}
.auth-logo p{color:var(--muted);font-size:.9rem;margin-top:4px}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}