.atb-root { --atb-green: #116b41; --atb-dark: #19382e; --atb-line: #dce7df; color: #19382e; font-family: inherit; max-width: 100%; }
.atb-root * { box-sizing: border-box; }
.atb-root .atb-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; margin: 0 0 18px; }
.atb-root .atb-heading h2 { margin: 0 0 7px; font-size: clamp(24px, 2.5vw, 34px); line-height: 1.2; color: var(--atb-dark); }
.atb-root .atb-heading p { margin: 0; color: #576960; font-size: 15px; }
.atb-root .atb-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.atb-root .atb-btn { appearance: none; display: inline-flex; gap: 8px; align-items: center; justify-content: center; padding: 12px 19px; border-radius: 9px; border: 1px solid var(--atb-green); font-size: 15px; font-weight: 700; line-height: 1.2; text-decoration: none; cursor: pointer; transition: box-shadow .15s ease, transform .15s ease; }
.atb-root .atb-btn:hover:not(:disabled), .atb-root .atb-btn:focus-visible { box-shadow: 0 0 0 3px rgba(17,107,65,.15); transform: translateY(-1px); }
.atb-root .atb-btn-primary { background: var(--atb-green); color: #fff; }
.atb-root .atb-btn-secondary { background: #fff; color: var(--atb-green); }
.atb-root .atb-btn:disabled { opacity: .48; cursor: not-allowed; }
.atb-root .atb-calendar { overflow: hidden; border: 1px solid var(--atb-line); border-radius: 12px; background: #fff; }
.atb-root .atb-calendar iframe { display: block; width: 100%; min-height: 680px; height: 78vh; border: 0; }
.atb-root .atb-message, .atb-root .atb-note { padding: 18px; background: #f2f7f4; border-radius: 10px; color: var(--atb-dark); }
.atb-root .atb-overlay[hidden], .atb-root [hidden] { display: none !important; }
.atb-root .atb-overlay { position: fixed; inset: 0; z-index: 999999; overflow: auto; background: rgba(0,0,0,.66); display: grid; place-items: center; padding: 20px; }
.atb-root .atb-dialog { background: #fff; color: var(--atb-dark); border-radius: 15px; box-shadow: 0 18px 65px rgba(0,0,0,.3); width: min(1200px,100%); max-height: calc(100dvh - 40px); display: flex; flex-direction: column; overflow: hidden; }
.atb-root .atb-dialog-header { padding: 21px 24px 15px; display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; border-bottom: 1px solid var(--atb-line); }
.atb-root .atb-dialog-header h3 { margin: 0 0 5px; font-size: 24px; color: var(--atb-dark); }
.atb-root .atb-subtitle { font-size: 14px; margin: 0; color: #64766b; }
.atb-root .atb-x { background: transparent; border: 0; color: #4a5a52; font-size: 32px; line-height: 1; cursor: pointer; padding: 0 4px; }
.atb-root .atb-login { padding: 32px 24px; }
.atb-root .atb-form { max-width: 430px; margin: auto; display: grid; gap: 12px; }
.atb-root .atb-form label { font-weight: 700; }
.atb-root .atb-password { width: 100%; padding: 14px; min-height: 46px; border: 1px solid #abbcaf; border-radius: 8px; background: #fff; color: #111; }
.atb-root .atb-feedback { margin: 0; min-height: 20px; color: #ad3333; font-size: 14px; }
.atb-root .atb-booking-view { overflow: auto; }
.atb-root .atb-booking-tools { padding: 13px 20px; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.atb-root .atb-booking-tools p { margin: 0; font-size: 14px; }
.atb-root .atb-booking-frame { display: block; width: 100%; height: min(75vh, 790px); min-height: 350px; border: 0; background: #fff; }
body.atb-modal-open { overflow: hidden; }
@media (max-width: 600px) {
  .atb-root .atb-toolbar, .atb-root .atb-actions { width: 100%; }
  .atb-root .atb-actions > * { flex: 1 1 100%; }
  .atb-root .atb-calendar iframe { min-height: 600px; height: 75vh; }
  .atb-root .atb-overlay { padding: 0; }
  .atb-root .atb-dialog { max-height: 100dvh; min-height: 100dvh; border-radius: 0; }
  .atb-root .atb-dialog-header { padding: 17px 16px; }
  .atb-root .atb-login { padding: 30px 16px; }
  .atb-root .atb-booking-tools { padding: 12px 14px; align-items: flex-start; flex-direction: column; }
  .atb-root .atb-booking-frame { height: 75dvh; }
}