:root {
  --bsb-bg: #eef3f9;
  --bsb-card: #ffffff;
  --bsb-text: #162033;
  --bsb-muted: #71819c;
  --bsb-line: rgba(110, 133, 166, 0.16);
  --bsb-accent: #2aabee;
  --bsb-accent-2: #7ed1ff;
  --bsb-danger: #e85a71;
  --bsb-shadow: 0 18px 50px rgba(41, 84, 130, 0.14);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:radial-gradient(circle at top,#f8fbff 0,#eef3f9 42%,#e8eef6 100%);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--bsb-text)}
a{text-decoration:none;color:inherit}
button,input,textarea{font:inherit}

#bsb-mobile-app{position:relative;max-width:520px;min-height:100vh;margin:0 auto;background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(245,249,255,.96));box-shadow:0 0 0 1px rgba(255,255,255,.28),0 24px 60px rgba(65,87,118,.16)}
.bsb-app-content{padding:16px 16px 96px}
.bsb-appbar{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:44px 1fr 44px;align-items:center;padding:14px 16px;background:rgba(244,248,253,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(129,156,191,.12)}
.bsb-appbar__title{text-align:center;font-size:17px;font-weight:700;letter-spacing:-.02em}
.bsb-appbar__subtitle{text-align:center;font-size:12px;color:var(--bsb-muted);margin-top:2px}
.bsb-icon-btn{width:40px;height:40px;border:0;border-radius:14px;background:#fff;box-shadow:0 8px 20px rgba(43,81,122,.12);cursor:pointer}

.bsb-bottom-nav{position:fixed;left:50%;bottom:0;transform:translateX(-50%);width:min(100%,520px);display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(248,251,255,.92);backdrop-filter:blur(16px);border-top:1px solid rgba(129,156,191,.12)}
.bsb-bottom-nav__item{display:grid;justify-items:center;gap:4px;padding:8px 4px;border-radius:18px;color:var(--bsb-muted)}
.bsb-bottom-nav__item.is-active{background:rgba(42,171,238,.12);color:#0b84c5;font-weight:700}
.bsb-bottom-nav__icon{font-size:18px;line-height:1}
.bsb-bottom-nav__label{font-size:11px}

.bsb-panel,.bsb-place-card,.bsb-success-card,.bsb-booking-card{background:var(--bsb-card);border-radius:24px;box-shadow:var(--bsb-shadow);border:1px solid rgba(255,255,255,.6)}
.bsb-panel{padding:16px;margin-bottom:14px}
.bsb-list-stack{display:grid;gap:14px}
.bsb-block-title{font-size:18px;font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.bsb-body-text{margin:0;color:#465672;line-height:1.55}
.bsb-empty-note{color:var(--bsb-muted);font-size:14px}

.bsb-hero-card{padding:24px;border-radius:28px;background:linear-gradient(135deg,#1d8ed5,#4eb9ff);color:#fff;box-shadow:0 22px 50px rgba(36,109,168,.28)}
.bsb-hero-card__eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.12em;opacity:.8}
.bsb-hero-card h2{margin:8px 0 10px;font-size:30px;line-height:1.05}
.bsb-hero-card p{margin:0 0 18px;line-height:1.5;color:rgba(255,255,255,.88)}
.bsb-actions-stack{display:grid;gap:10px}

.bsb-input{width:100%;min-height:48px;padding:13px 14px;border-radius:16px;border:1px solid var(--bsb-line);background:#f8fbff;color:var(--bsb-text)}
.bsb-input--textarea{min-height:96px;resize:vertical}
.bsb-label{font-size:13px;color:var(--bsb-muted);font-weight:600}
.bsb-form-grid{display:grid;gap:10px}
.bsb-form-message{min-height:18px;font-size:13px;color:var(--bsb-muted)}

.bsb-primary-btn,.bsb-secondary-btn,.bsb-danger-btn{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:0 18px;border:0;border-radius:16px;cursor:pointer;font-weight:700}
.bsb-primary-btn{background:linear-gradient(135deg,var(--bsb-accent),var(--bsb-accent-2));color:#fff}
.bsb-secondary-btn{background:#f3f8fd;color:#136b9f;border:1px solid rgba(42,171,238,.16)}
.bsb-danger-btn{width:100%;background:#fff1f3;color:#c63e59}
.bsb-inline-link,.bsb-ghost-link{display:block;text-align:center;color:#1c88cb;padding:6px 0}

.bsb-place-card{display:grid;overflow:hidden}
.bsb-place-card__image{width:100%;height:220px;object-fit:cover;display:block}
.bsb-place-card__body{padding:14px}
.bsb-place-card__top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.bsb-place-card__title{font-size:20px;font-weight:800;letter-spacing:-.03em}
.bsb-place-card__meta{margin-top:4px;color:var(--bsb-muted);font-size:14px}
.bsb-place-card__desc{margin-top:10px;line-height:1.5;color:#465672}
.bsb-place-card__footer{display:flex;justify-content:space-between;gap:8px;margin-top:12px;color:var(--bsb-muted);font-size:13px}
.bsb-rating-pill{display:inline-flex;align-items:center;padding:8px 10px;border-radius:999px;background:rgba(42,171,238,.12);color:#0b84c5;font-size:13px;font-weight:700}

.bsb-place-hero{position:relative;aspect-ratio:16/11;border-radius:28px;overflow:hidden;box-shadow:var(--bsb-shadow);margin-bottom:14px}
.bsb-place-hero__image{width:100%;height:100%;object-fit:cover}
.bsb-place-hero__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,17,28,.08),rgba(10,17,28,.72))}
.bsb-place-hero__content{position:absolute;left:16px;right:16px;bottom:16px;color:#fff}
.bsb-place-hero__content h2{margin:10px 0 6px;font-size:28px;line-height:1.05}
.bsb-place-hero__content p{margin:0;color:rgba(255,255,255,.86)}

.bsb-service-row{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;padding:14px 0;border:0;border-bottom:1px solid rgba(38,52,79,.08);background:transparent;text-align:left;cursor:pointer}
.bsb-service-row:last-child{border-bottom:0;padding-bottom:0}
.bsb-service-row__title{font-weight:700}
.bsb-service-row__meta{margin-top:4px;font-size:13px;color:var(--bsb-muted)}

.bsb-masters-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.bsb-master-card{text-align:center;padding:14px;border-radius:20px;background:#f8fbff;border:1px solid var(--bsb-line)}
.bsb-master-card img{width:72px;height:72px;border-radius:22px;object-fit:cover;display:block;margin:0 auto 10px}
.bsb-master-card__name{font-weight:700}
.bsb-master-card__role{margin-top:4px;font-size:13px;color:var(--bsb-muted)}

.bsb-booking-selected__label{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--bsb-muted)}
.bsb-booking-selected__title{margin-top:8px;font-size:24px;font-weight:800;letter-spacing:-.03em}
.bsb-booking-selected__meta{margin-top:6px;color:var(--bsb-muted)}
.bsb-chip-grid{display:flex;flex-wrap:wrap;gap:10px}
.bsb-choice,.bsb-time-pill{border:1px solid var(--bsb-line);background:#f8fbff;border-radius:18px;padding:12px 14px;cursor:pointer}
.bsb-choice.is-active,.bsb-time-pill.is-active{background:rgba(42,171,238,.12);border-color:rgba(42,171,238,.3)}
.bsb-choice__title{display:block;font-weight:700}
.bsb-choice__meta{display:block;margin-top:4px;font-size:12px;color:var(--bsb-muted)}

.bsb-summary-list{display:grid;gap:10px}
.bsb-summary-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid rgba(38,52,79,.08)}
.bsb-summary-item:last-of-type{border-bottom:0}
.bsb-summary-item span{color:var(--bsb-muted)}
.bsb-summary-item strong{text-align:right}

.bsb-booking-card{padding:16px}
.bsb-booking-card__top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.bsb-booking-card__title{font-size:18px;font-weight:800;letter-spacing:-.03em}
.bsb-booking-card__meta,.bsb-booking-card__row{margin-top:6px;color:#465672}
.bsb-status-chip{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:700;text-transform:capitalize}
.bsb-status-chip.is-pending{background:#fff6df;color:#a87910}
.bsb-status-chip.is-confirmed{background:#e8fff1;color:#1b8a49}
.bsb-status-chip.is-cancelled{background:#fff1f3;color:#c63e59}
.bsb-status-chip.is-completed{background:#edf5ff;color:#2b73c9}

.bsb-profile-card{display:flex;gap:14px;align-items:center;margin-bottom:14px}
.bsb-avatar-large{display:grid;place-items:center;width:68px;height:68px;border-radius:22px;background:linear-gradient(135deg,var(--bsb-accent),var(--bsb-accent-2));color:#fff;font-size:28px;font-weight:800}
.bsb-profile-card__name{font-size:22px;font-weight:800;letter-spacing:-.03em}
.bsb-profile-card__meta{margin-top:4px;color:var(--bsb-muted)}

.bsb-settings-item{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid rgba(38,52,79,.08)}
.bsb-settings-item:last-of-type{border-bottom:0}

.bsb-success-card{padding:24px;text-align:center}
.bsb-success-card__icon{display:grid;place-items:center;width:72px;height:72px;margin:0 auto 16px;border-radius:24px;background:linear-gradient(135deg,#2aabee,#7ed1ff);color:#fff;font-size:34px;font-weight:800}
.bsb-success-card__title{font-size:24px;font-weight:800;letter-spacing:-.03em}
.bsb-success-card__text{margin:10px 0 18px;line-height:1.55;color:#465672}

.bsb-toast{position:fixed;left:50%;bottom:92px;transform:translateX(-50%) translateY(10px);background:#182332;color:#fff;padding:12px 16px;border-radius:16px;opacity:0;pointer-events:none;transition:.2s ease;z-index:10000;max-width:min(90vw,420px)}
.bsb-toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0)}
.bsb-toast.is-success{background:#16784d}
.bsb-toast.is-error{background:#ae3955}

@media (max-width:520px){
  .bsb-app-content{padding:14px 14px 94px}
  .bsb-place-card__image{height:200px}
  .bsb-masters-grid{grid-template-columns:1fr 1fr}
}