:root{--ink:#10233e;--muted:#63748a;--line:#dfe6ef;--blue:#1769e0;--soft:#f4f7fb;--danger:#bf2c2c;--success:#17764d}*{box-sizing:border-box}body{margin:0;font-family:"DM Sans",system-ui,sans-serif;background:var(--soft);color:var(--ink)}.public-header{height:78px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1180px)/2));position:sticky;top:0;z-index:20}.public-brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.public-brand img{width:45px;height:45px;border-radius:12px;object-fit:cover}.public-brand span{display:flex;flex-direction:column}.public-brand strong{font-family:Syne,sans-serif;font-size:16px}.public-brand small{color:var(--muted)}.public-login{color:var(--blue);font-weight:700;text-decoration:none}.public-shell{max-width:1180px;margin:auto;padding:38px 24px 60px}.hero-copy{margin-bottom:26px}.eyebrow{display:inline-block;color:var(--blue);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:12px}.hero-copy h1{font-family:Syne,sans-serif;font-size:clamp(30px,5vw,50px);margin:8px 0 10px}.hero-copy p{color:var(--muted);font-size:17px;max-width:750px}.rules-box{margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--muted)}.calendar-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 50px rgba(16,35,62,.08);overflow:hidden}.calendar-toolbar{display:flex;justify-content:center;align-items:center;gap:20px;padding:18px;border-bottom:1px solid var(--line)}.calendar-toolbar h2{margin:0;min-width:220px;text-align:center;font-family:Syne,sans-serif}.calendar-toolbar button{border:1px solid var(--line);background:#fff;border-radius:10px;width:42px;height:38px;font-size:26px;cursor:pointer}.calendar-weekdays,.public-calendar{display:grid;grid-template-columns:repeat(7,1fr)}.calendar-weekdays{background:#f8fafc;border-bottom:1px solid var(--line)}.calendar-weekdays span{padding:10px;text-align:center;color:var(--muted);font-weight:700;font-size:12px}.calendar-day{min-height:132px;padding:9px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.calendar-day:nth-child(7n){border-right:0}.calendar-day.outside{background:#fafbfd;color:#a5b0bf}.day-number{font-weight:700;font-size:13px;margin-bottom:6px}.session-chip{display:block;width:100%;border:0;background:#eaf2ff;color:#174e9d;border-radius:9px;padding:7px 8px;margin:5px 0;text-align:left;cursor:pointer;font-size:12px}.session-chip strong,.session-chip small{display:block}.session-chip small{opacity:.8;margin-top:2px}.session-chip.full{background:#f2f3f5;color:#7b8490;cursor:not-allowed}.loading{grid-column:1/-1;padding:50px;text-align:center;color:var(--muted)}.booking-overlay{position:fixed;inset:0;background:rgba(5,18,34,.55);z-index:50;display:grid;place-items:center;padding:18px}.booking-overlay[hidden]{display:none}.booking-dialog{position:relative;width:min(620px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:22px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.dialog-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:30px;cursor:pointer;color:var(--muted)}.booking-dialog h2{font-family:Syne,sans-serif;margin:0 40px 8px 0}.booking-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0;padding:16px;background:#f8fafc;border-radius:14px}.booking-detail-grid span{color:var(--muted);font-size:12px;display:block}.booking-detail-grid strong{display:block;margin-top:2px}.price-line{font-size:24px;font-weight:800;color:var(--blue)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-grid label{font-weight:700;font-size:13px}.form-grid input{display:block;width:100%;margin-top:6px;border:1px solid #cfd8e5;border-radius:10px;padding:12px;font:inherit}.form-grid .full{grid-column:1/-1}.primary-action{width:100%;border:0;border-radius:11px;background:var(--blue);color:#fff;font-weight:800;padding:13px 16px;margin-top:18px;cursor:pointer;text-decoration:none;text-align:center;display:block}.primary-action:disabled{opacity:.55;cursor:wait}.booking-message{margin-top:12px;font-weight:600}.booking-message.error{color:var(--danger)}.booking-message.success{color:var(--success)}.cancel-page{display:grid;min-height:100vh;place-items:center;padding:20px}.cancel-card{width:min(560px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:0 20px 60px rgba(16,35,62,.1)}.cancel-brand{margin-bottom:26px}.cancel-card h1{font-family:Syne,sans-serif}.muted{color:var(--muted)}.notice{padding:13px 14px;border-radius:10px;margin:14px 0}.notice.error{background:#fff0f0;color:#9f2525}.notice.success{background:#ecfaf3;color:#12643f}.danger-action{background:var(--danger)}.link-action{margin-top:20px}@media(max-width:720px){.public-header{padding:0 16px}.public-login{font-size:13px}.public-shell{padding:25px 10px}.calendar-day{min-height:95px;padding:5px}.session-chip{padding:5px;font-size:10px}.session-chip small{display:none}.calendar-toolbar h2{min-width:160px;font-size:18px}.booking-detail-grid,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.booking-dialog{padding:22px 16px}}