:root {
  color-scheme: dark;
  --page: #321052;
  --panel: #401462;
  --panel-soft: #512075;
  --panel-line: rgba(255, 255, 255, 0.12);
  --panel-line-strong: rgba(255, 255, 255, 0.2);
  --ink: #ffffff;
  --muted: #c4a7e0;
  --muted-strong: #a17abf;
  --accent: #9b35ee;
  --accent-light: #bd78ff;
  --danger: #7f1b74;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--ink);
}

.shell {
  width: min(1380px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 22px 0 28px;
}

.booking-panel {
  min-height: calc(100vh - 50px);
  display: flex;
  flex-direction: column;
}

.compact-panel {
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  margin-bottom: 22px;
}

.brand strong {
  display: block;
  max-width: 1120px;
  font-size: clamp(2.1rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.brand span {
  color: inherit;
}

.booking-form {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 26px;
}

.is-hidden {
  display: none !important;
}

.room-step,
.time-step {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 24px;
}

h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.studio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 20px;
}

.studio-card {
  overflow: hidden;
  min-height: 470px;
  display: grid;
  grid-template-rows: minmax(250px, 1fr) auto;
  border: 1px solid var(--panel-line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--ink);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.studio-card img {
  width: 100%;
  height: 100%;
  min-height: 250px;
  object-fit: cover;
  display: block;
}

.studio-card-content {
  display: grid;
  gap: 10px;
  padding: 22px;
}

.studio-card h2 {
  margin: 0;
  font-size: 1.55rem;
}

.studio-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
}

.studio-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  font-weight: 850;
}

.studio-card-footer strong {
  color: var(--accent-light);
  font-size: 1.45rem;
}

.back-button {
  width: max-content;
  min-height: 42px;
  border: 1px solid var(--panel-line);
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
}

.field-label {
  display: grid;
  gap: 9px;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 800;
}

input,
select,
button,
textarea,
output {
  min-height: 64px;
  border-radius: 8px;
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--panel-line);
  background: var(--panel-soft);
  color: var(--ink);
  padding: 0 22px;
  font-size: 1.08rem;
  font-weight: 750;
}

textarea {
  min-height: 120px;
  padding: 16px 22px;
  resize: vertical;
}

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #fff 50%), linear-gradient(135deg, #fff 50%, transparent 50%);
  background-position:
    calc(100% - 24px) 29px,
    calc(100% - 17px) 29px;
  background-size: 7px 7px;
  background-repeat: no-repeat;
}

input[type="date"] {
  font-size: 1.5rem;
}

input:focus,
select:focus,
button:focus-visible {
  outline: 3px solid rgba(189, 120, 255, 0.45);
  outline-offset: 2px;
}

.picker-section,
.duration-section,
.details-section {
  display: grid;
  gap: 12px;
}

h2 {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.2;
  letter-spacing: 0;
}

h2 span {
  width: 25px;
  color: var(--ink);
  font-size: 1.2rem;
  text-align: center;
}

.time-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 14px;
}

.time-slot {
  min-height: 78px;
  border: 1px solid var(--panel-line);
  background: var(--panel-soft);
  color: var(--ink);
  font-size: 1.65rem;
  font-weight: 800;
}

.time-slot[aria-pressed="true"] {
  border-color: var(--accent-light);
  background: #6a2296;
  box-shadow: inset 0 0 0 1px rgba(189, 120, 255, 0.6);
}

.time-slot.is-unavailable {
  border-color: rgba(202, 42, 132, 0.42);
  background: var(--danger);
  color: #9580a6;
  cursor: not-allowed;
}

.time-slot.is-unavailable::after {
  content: "Unavailable";
  display: block;
  margin-top: 4px;
  color: #ffb8d5;
  font-size: 0.72rem;
  font-weight: 850;
}

.compact-time-grid {
  grid-template-columns: repeat(5, minmax(90px, 1fr));
}

.time-option {
  min-height: 50px;
  border: 1px solid var(--panel-line);
  background: var(--panel-soft);
  color: var(--ink);
}

.time-option.is-selected {
  border-color: var(--accent-light);
  background: #6a2296;
}

.time-option.is-unavailable {
  border-color: rgba(202, 42, 132, 0.42);
  background: var(--danger);
  color: #9580a6;
  cursor: not-allowed;
}

.stepper {
  display: grid;
  grid-template-columns: 64px 128px 64px;
  gap: 14px;
}

.stepper button,
.stepper output {
  display: grid;
  place-items: center;
  border: 0;
  color: var(--ink);
  font-size: 1.9rem;
  font-weight: 500;
}

.stepper button {
  background: #06030b;
  cursor: pointer;
}

.stepper output {
  border: 1px solid var(--panel-line);
  background: var(--panel-soft);
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.checkout-bar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-top: auto;
  padding-top: 46px;
  border-top: 1px solid var(--panel-line);
}

.checkout-bar > div:first-child {
  display: grid;
  gap: 3px;
}

#price {
  color: var(--accent-light);
  font-size: clamp(2rem, 4vw, 2.45rem);
  line-height: 1;
}

.checkout-bar span,
.checkout-bar small {
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 800;
}

.actions {
  display: flex;
  gap: 12px;
}

button {
  border: 0;
  cursor: pointer;
  font-weight: 850;
  letter-spacing: 0;
  padding: 0 26px;
}

button[type="submit"] {
  min-width: 140px;
  background: var(--accent);
  color: white;
}

button[type="submit"] span {
  margin-left: 8px;
  font-size: 1.35rem;
}

button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.notice {
  color: #e7d4ff !important;
}

.error {
  color: #ffb8d5 !important;
}

.management-card,
.admin-item {
  border: 1px solid var(--panel-line);
  border-radius: 8px;
  background: var(--panel-soft);
  padding: 20px;
}

.management-card h2,
.admin-item h3 {
  margin: 0 0 10px;
}

.management-card p,
.admin-item p {
  margin: 6px 0;
  color: var(--muted);
}

.admin-login {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 14px;
  align-items: end;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 22px;
}

.admin-tabs {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-tab {
  min-height: 42px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--ink);
}

.admin-tab.is-active {
  background: var(--accent);
  color: #fff;
}

.admin-wide {
  grid-column: 1 / -1;
}

.admin-list {
  display: grid;
  gap: 14px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.reschedule-form {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.room-edit-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 14px 0;
}

.room-edit-form textarea,
.room-edit-form .field-label,
.room-edit-form .inline-check,
.room-edit-form button {
  grid-column: span 2;
}

.reschedule-form input,
.reschedule-form select,
.reschedule-form button {
  min-height: 44px;
  font-size: 0.92rem;
}

.inline-check {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}

.inline-check input {
  width: auto;
}

.cancel-booking,
.mark-amendment,
.apply-amendment,
.toggle-discount,
.toggle-access-code {
  min-height: 42px;
  margin: 4px 8px 4px 0;
  background: rgba(255, 255, 255, 0.12);
  color: var(--ink);
}

@media (max-width: 900px) {
  .shell {
    width: min(100% - 28px, 680px);
    padding-top: 18px;
  }

  .booking-panel {
    min-height: calc(100vh - 36px);
  }

  .brand strong {
    font-size: 2.4rem;
  }

  .time-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .studio-grid {
    grid-template-columns: 1fr;
  }

  .split,
  .checkout-bar {
    grid-template-columns: 1fr;
  }

  .checkout-bar {
    display: grid;
    align-items: stretch;
    padding-top: 28px;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .admin-login,
  .admin-grid,
  .reschedule-form,
  .room-edit-form {
    grid-template-columns: 1fr;
  }

  .room-edit-form textarea,
  .room-edit-form .field-label,
  .room-edit-form .inline-check,
  .room-edit-form button {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .shell {
    width: min(100% - 22px, 480px);
  }

  .brand strong {
    font-size: 2rem;
  }

  input,
  select,
  button,
  textarea,
  output {
    min-height: 56px;
  }

  .actions,
  .split {
    grid-template-columns: 1fr;
  }

  .time-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .time-slot {
    min-height: 62px;
    font-size: 1.1rem;
  }
}