@import url("https://fonts.googleapis.com/css2?family=Raleway:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=EB+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&display=swap");
:root,
.bt {
  --bt-cream: #FFFAF6;
  --bt-cream-medium: #F2EAE4;
  --bt-white: #FFFFFF;
  --bt-black: #000000;
  --bt-black-lighter: #262626;
  --bt-olive: #74613C;
  --bt-olive-fallback: #93918F;
  --bt-red: #A22020;
  --bt-red-hover: #911C1C;
  --bt-bg: var(--bt-cream);
  --bt-bg-secondary: var(--bt-cream-medium);
  --bt-surface: var(--bt-white);
  --bt-text: var(--bt-olive);
  --bt-text-secondary: var(--bt-olive-fallback);
  --bt-text-strong: var(--bt-black);
  --bt-border: var(--bt-olive);
  --bt-border-light: var(--bt-cream-medium);
  --bt-overlay: rgba(0, 0, 0, 0.5);
  --bt-bg-translucent: rgba(255, 250, 246, 0.95);
  --bt-success: #4A6741;
  --bt-success-light: #EDF3EB;
  --bt-warning: #74613C;
  --bt-warning-light: #F5F0E8;
  --bt-error: #A22020;
  --bt-error-light: #FAEDED;
  --bt-info: #4A5D74;
  --bt-info-light: #EDF1F5;
  --bt-radius-none: 0;
  --bt-radius-pill: 9999px;
  --bt-font-sans: 'Raleway', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --bt-font-serif: 'EB Garamond', 'Garamond', 'Georgia', serif;
  --bt-display: 400 1.25rem/1.2 var(--bt-font-sans);
  --bt-h1: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-h2: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-h3: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-h4: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-h5: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-h6: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-body-lg: 400 1.125rem/1.6 var(--bt-font-serif);
  --bt-body: 400 1rem/1.6 var(--bt-font-serif);
  --bt-body-sm: 400 0.875rem/1.5 var(--bt-font-serif);
  --bt-label: 400 0.875rem/1.3 var(--bt-font-sans);
  --bt-label-sm: 400 0.75rem/1.3 var(--bt-font-sans);
  --bt-micro: 400 0.5625rem/1.3 var(--bt-font-sans);
  --bt-caption: 400 0.75rem/1.4 var(--bt-font-serif);
  --bt-tracking-tight: 0.025em;
  --bt-tracking-normal: 0.05em;
  --bt-tracking-wide: 0.1em;
  --bt-tracking-ultra: 0.125em;
  --bt-shadow-none: none;
  --bt-duration-fast: 300ms;
  --bt-duration-normal: 600ms;
  --bt-duration-slow: 900ms;
  --bt-easing: cubic-bezier(0.5, 0.1, 0.25, 1);
  --bt-easing-linear: linear;
  --bt-space-1: 4px;
  --bt-space-2: 8px;
  --bt-space-3: 12px;
  --bt-space-4: 16px;
  --bt-space-5: 20px;
  --bt-space-6: 24px;
  --bt-space-8: 32px;
  --bt-space-10: 40px;
  --bt-space-12: 48px;
  --bt-space-16: 64px;
  --bt-space-20: 80px;
  --bt-outline: 1px solid var(--bt-border);
  --bt-outline-strong: 1px solid var(--bt-black);
  --bt-outline-light: 1px solid var(--bt-border-light);
  --bt-focus-ring: auto;
}

.bt.dark,
.bt[data-theme=dark],
[data-theme=dark] .bt {
  --bt-bg: #0F0E0C;
  --bt-bg-secondary: #1A1816;
  --bt-surface: #1A1816;
  --bt-text: #D4CBBA;
  --bt-text-secondary: #A09888;
  --bt-text-strong: #F2EAE4;
  --bt-border: #3D3529;
  --bt-border-light: #2A241E;
  --bt-cream: #0F0E0C;
  --bt-cream-medium: #1A1816;
  --bt-white: #1A1816;
  --bt-black: #F2EAE4;
  --bt-black-lighter: #D4CBBA;
  --bt-olive: #D4CBBA;
  --bt-red: #D4544A;
  --bt-red-hover: #E06B62;
  --bt-overlay: rgba(0, 0, 0, 0.7);
  --bt-bg-translucent: rgba(15, 14, 12, 0.95);
  --bt-success: #7AAF6E;
  --bt-success-light: rgba(122, 175, 110, 0.12);
  --bt-warning: #D4CBBA;
  --bt-warning-light: rgba(212, 203, 186, 0.12);
  --bt-error: #D4544A;
  --bt-error-light: rgba(212, 84, 74, 0.12);
  --bt-info: #8AAFC8;
  --bt-info-light: rgba(138, 175, 200, 0.12);
  --bt-outline: 1px solid var(--bt-border);
  --bt-outline-strong: 1px solid var(--bt-black);
  --bt-outline-light: 1px solid var(--bt-border-light);
}

.bt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  font: var(--bt-label);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  border-radius: var(--bt-radius-none);
  height: auto;
  padding: 0.75rem 2rem;
  transition: background var(--bt-duration-fast) var(--bt-easing), color var(--bt-duration-fast) var(--bt-easing);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
.bt-btn:focus-visible {
  outline: var(--bt-focus-ring);
}
.bt-btn .bt-btn__icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.bt-btn:disabled, .bt-btn[disabled] {
  background: var(--bt-olive);
  color: var(--bt-cream);
  cursor: default;
  pointer-events: none;
}

.bt-btn--primary,
.bt-btn {
  background: var(--bt-black);
  color: var(--bt-white);
}
.bt-btn--primary:hover,
.bt-btn:hover {
  background: var(--bt-black-lighter);
}
.bt-btn--primary:active,
.bt-btn:active {
  background: var(--bt-olive);
}

.bt-btn--secondary {
  background: var(--bt-cream);
  color: var(--bt-black);
  box-shadow: inset 0 0 0 1px currentColor;
}
.bt-btn--secondary:hover {
  background: var(--bt-cream-medium);
}
.bt-btn--secondary:active {
  background: var(--bt-border-light);
}

.bt-btn--ghost {
  background: transparent;
  color: var(--bt-text);
  padding: 0.75rem 1rem;
}
.bt-btn--ghost:hover {
  color: var(--bt-red);
}
.bt-btn--ghost:active {
  color: var(--bt-red-hover);
}

.bt-btn--link {
  background: transparent;
  color: var(--bt-text);
  font: var(--bt-body-sm);
  text-transform: none;
  letter-spacing: var(--bt-tracking-normal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  padding: 0;
}
.bt-btn--link:hover {
  color: var(--bt-red);
}
.bt-btn--link:active {
  color: var(--bt-red-hover);
}

.bt-btn--red {
  background: var(--bt-red);
  color: var(--bt-white);
}
.bt-btn--red:hover {
  background: var(--bt-red-hover);
}

.bt-btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
}

.bt-btn--lg {
  padding: 1rem 3rem;
  font-size: 1rem;
}

.bt-btn--icon {
  width: 40px;
  height: 40px;
  padding: 0;
}
.bt-btn--icon.bt-btn--sm {
  width: 32px;
  height: 32px;
}
.bt-btn--icon.bt-btn--lg {
  width: 48px;
  height: 48px;
}

.bt-btn--full {
  width: 100%;
}

.bt-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bt-surface);
  border-radius: var(--bt-radius-none);
  overflow: hidden;
}

.bt-card--outlined {
  outline: 1px solid var(--bt-border);
  outline-offset: -1px;
}

.bt-card--overlay {
  min-height: 320px;
  background: var(--bt-cream-medium);
}
.bt-card--overlay .bt-card__media {
  position: absolute;
  inset: 0;
}
.bt-card--overlay .bt-card__media img {
  transform: scale(0.95);
  transition: transform 12s var(--bt-easing);
}
.bt-card--overlay:hover .bt-card__media img {
  transform: scale(1.02);
}
.bt-card--overlay .bt-card__info-popup {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -40%);
  background: var(--bt-white);
  padding: 1.25rem 1.5rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  font: var(--bt-label);
  opacity: 0;
  pointer-events: none;
  transition: all var(--bt-duration-normal) var(--bt-easing);
  z-index: 2;
}
.bt-card--overlay:hover .bt-card__info-popup {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.bt-card--interactive {
  cursor: pointer;
}
.bt-card--interactive:hover .bt-card__title {
  color: var(--bt-red);
}

.bt-card__media {
  overflow: hidden;
}
.bt-card__media img,
.bt-card__media video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 12s var(--bt-easing);
}

.bt-card__header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 16px 0;
}

.bt-card__eyebrow {
  font: var(--bt-micro);
  color: var(--bt-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-ultra);
  margin: 0;
}

.bt-card__title {
  font: var(--bt-h1);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  color: var(--bt-text);
  margin: 0;
  transition: color var(--bt-duration-fast) var(--bt-easing);
}

.bt-card__subtitle {
  font: var(--bt-caption);
  color: var(--bt-text-secondary);
  margin: 0;
  font-style: italic;
}

.bt-card__body {
  padding: 12px 16px 16px;
  font: var(--bt-body-sm);
  color: var(--bt-text);
  font-feature-settings: "onum";
}

.bt-card__header + .bt-card__body {
  padding-top: 8px;
}

.bt-card__footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-top: var(--bt-outline);
  margin-top: auto;
}

.bt-card__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px 16px;
}

.bt-card__price {
  font: var(--bt-label);
  color: var(--bt-text);
  font-feature-settings: "onum";
}

.bt-card__price-old {
  color: var(--bt-red);
  text-decoration: line-through;
  margin-left: 0.25em;
}

.bt-card--horizontal {
  flex-direction: row;
}
.bt-card--horizontal .bt-card__media {
  flex-shrink: 0;
  width: 180px;
}
.bt-card--horizontal .bt-card__media img {
  height: 100%;
}
.bt-card--horizontal .bt-card__content {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.bt-card--tile {
  outline: 1px solid var(--bt-border);
  outline-offset: -0.99px;
  min-height: 200px;
}
.bt-card--tile .bt-card__media {
  position: absolute;
  inset: 0;
}

.bt-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.bt-field__label {
  font: var(--bt-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-ultra);
  color: var(--bt-text);
}

.bt-field__optional {
  font: var(--bt-caption);
  color: var(--bt-text-secondary);
  text-transform: none;
  letter-spacing: normal;
}

.bt-input {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font: var(--bt-body-sm);
  color: var(--bt-text);
  background: var(--bt-bg);
  border: 1px solid var(--bt-border);
  border-radius: var(--bt-radius-none);
  transition: border-color var(--bt-duration-fast) var(--bt-easing);
  font-feature-settings: "onum";
}
.bt-input input, .bt-input textarea {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font: inherit;
  color: inherit;
  padding: 0;
  width: 100%;
  font-feature-settings: inherit;
}
.bt-input input::placeholder, .bt-input textarea::placeholder {
  color: var(--bt-text-secondary);
  font-style: italic;
}
.bt-input textarea {
  padding: 10px 0;
  min-height: 80px;
  resize: vertical;
}
.bt-input:hover {
  border-color: var(--bt-text);
}
.bt-input:focus-within {
  border-color: var(--bt-red);
}

.bt-input--textarea {
  height: auto;
  padding: 0 14px;
  align-items: flex-start;
}

.bt-input__leading,
.bt-input__trailing {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--bt-text-secondary);
}

.bt-input__trailing {
  cursor: pointer;
}
.bt-input__trailing:hover {
  color: var(--bt-red);
}

.bt-field__hint {
  font: var(--bt-caption);
  color: var(--bt-text-secondary);
}

.bt-field--error .bt-input {
  border-color: var(--bt-error);
}
.bt-field--error .bt-field__hint {
  color: var(--bt-error);
}
.bt-field--error .bt-field__label {
  color: var(--bt-error);
}

.bt-field--disabled {
  opacity: 0.45;
  pointer-events: none;
}
.bt-field--disabled .bt-input {
  background: var(--bt-cream-medium);
}

.bt-input--sm {
  height: 36px;
  padding: 0 10px;
  font-size: 0.8125rem;
}

.bt-input--lg {
  height: 52px;
  padding: 0 18px;
  font: var(--bt-body);
}

.bt-select {
  appearance: none;
  width: 100%;
  height: 44px;
  padding: 0 36px 0 14px;
  font: var(--bt-body-sm);
  color: var(--bt-text);
  background: var(--bt-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2374613c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center;
  border: 1px solid var(--bt-border);
  border-radius: var(--bt-radius-none);
  cursor: pointer;
  transition: border-color var(--bt-duration-fast) var(--bt-easing);
}
.bt-select:hover {
  border-color: var(--bt-text);
}
.bt-select:focus {
  outline: none;
  border-color: var(--bt-red);
}

.bt-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: var(--bt-micro);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-ultra);
  white-space: nowrap;
  user-select: none;
  border-radius: var(--bt-radius-none);
  padding: 4px 8px;
  min-height: 20px;
  vertical-align: middle;
  background: var(--bt-cream-medium);
  color: var(--bt-text);
}

.bt-badge--dark {
  background: var(--bt-black);
  color: var(--bt-white);
}

.bt-badge--red {
  background: var(--bt-error-light);
  color: var(--bt-red);
}

.bt-badge--success {
  background: var(--bt-success-light);
  color: var(--bt-success);
}

.bt-badge--warning {
  background: var(--bt-warning-light);
  color: var(--bt-warning);
}

.bt-badge--info {
  background: var(--bt-info-light);
  color: var(--bt-info);
}

.bt-badge--outlined {
  background: transparent;
  box-shadow: inset 0 0 0 1px currentColor;
  color: var(--bt-text);
}
.bt-badge--outlined.bt-badge--red {
  color: var(--bt-red);
}
.bt-badge--outlined.bt-badge--dark {
  color: var(--bt-black);
}

.bt-badge--solid {
  background: var(--bt-olive);
  color: var(--bt-cream);
}
.bt-badge--solid.bt-badge--red {
  background: var(--bt-red);
  color: var(--bt-white);
}
.bt-badge--solid.bt-badge--dark {
  background: var(--bt-black);
  color: var(--bt-white);
}

.bt-badge--sm {
  font-size: 0.5rem;
  padding: 2px 6px;
  min-height: 16px;
}

.bt-badge--lg {
  font: var(--bt-label-sm);
  padding: 5px 12px;
  min-height: 24px;
}

.bt-badge--pill {
  border-radius: var(--bt-radius-pill);
}

.bt-avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  user-select: none;
  background: var(--bt-cream-medium);
  color: var(--bt-text);
  font: var(--bt-label-sm);
  border-radius: var(--bt-radius-none);
  width: 40px;
  height: 40px;
}

.bt-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.bt-avatar__initials {
  font-family: var(--bt-font-serif);
  font-weight: 400;
  font-style: italic;
  letter-spacing: var(--bt-tracking-normal);
}

.bt-avatar__icon {
  width: 18px;
  height: 18px;
  color: var(--bt-text-secondary);
}

.bt-avatar--xs {
  width: 24px;
  height: 24px;
  font-size: 0.5625rem;
}

.bt-avatar--sm {
  width: 32px;
  height: 32px;
  font-size: 0.625rem;
}

.bt-avatar--lg {
  width: 56px;
  height: 56px;
  font-size: 1rem;
}

.bt-avatar--xl {
  width: 80px;
  height: 80px;
  font-size: 1.25rem;
}

.bt-avatar--round {
  border-radius: 50%;
}

.bt-avatar--outlined {
  outline: 1px solid var(--bt-border);
  outline-offset: -1px;
}

.bt-avatar--dark {
  background: var(--bt-black);
  color: var(--bt-cream);
}

.bt-avatar__status {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bt-bg);
}
.bt-avatar__status--online {
  background: var(--bt-success);
}
.bt-avatar__status--offline {
  background: var(--bt-text-secondary);
}
.bt-avatar__status--busy {
  background: var(--bt-error);
}

.bt-avatar-group {
  display: flex;
  align-items: center;
}
.bt-avatar-group .bt-avatar {
  outline: 2px solid var(--bt-bg);
  margin-left: -8px;
}
.bt-avatar-group .bt-avatar:first-child {
  margin-left: 0;
}

.bt-alert {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--bt-radius-none);
  font: var(--bt-body-sm);
  color: var(--bt-text);
  background: var(--bt-cream-medium);
  outline: 1px solid var(--bt-border);
  outline-offset: -1px;
  transition: opacity var(--bt-duration-normal) var(--bt-easing);
}

.bt-alert__icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  color: var(--bt-text-secondary);
}

.bt-alert__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.bt-alert__title {
  font: var(--bt-label);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  margin: 0;
}

.bt-alert__body {
  font: var(--bt-body-sm);
  color: var(--bt-text);
  margin: 0;
  font-feature-settings: "onum";
}

.bt-alert__dismiss {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  color: var(--bt-text-secondary);
  cursor: pointer;
  padding: 0;
  margin: -2px -4px -2px 0;
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-alert__dismiss:hover {
  color: var(--bt-red);
}

.bt-alert--error {
  background: var(--bt-red);
  color: var(--bt-white);
  outline: none;
}
.bt-alert--error .bt-alert__icon {
  color: var(--bt-white);
}
.bt-alert--error .bt-alert__body {
  color: var(--bt-white);
}
.bt-alert--error .bt-alert__dismiss {
  color: rgba(255, 255, 255, 0.6);
}
.bt-alert--error .bt-alert__dismiss:hover {
  color: var(--bt-white);
}

.bt-alert--success {
  outline-color: var(--bt-success);
  background: var(--bt-success-light);
}
.bt-alert--success .bt-alert__icon {
  color: var(--bt-success);
}

.bt-alert--warning {
  outline-color: var(--bt-warning);
  background: var(--bt-warning-light);
}
.bt-alert--warning .bt-alert__icon {
  color: var(--bt-warning);
}

.bt-alert--info {
  outline-color: var(--bt-info);
  background: var(--bt-info-light);
}
.bt-alert--info .bt-alert__icon {
  color: var(--bt-info);
}

.bt-alert--banner {
  justify-content: center;
  text-align: center;
  outline: none;
  padding: 0.5rem 1rem;
}
.bt-alert--banner .bt-alert__content {
  align-items: center;
}

.bt-appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 3rem;
  padding: 0;
  background: var(--bt-bg);
  outline: 1px solid var(--bt-black);
  z-index: 10;
}

.bt-appbar__section {
  display: flex;
  align-items: center;
  height: 100%;
}

.bt-appbar__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 1rem;
  border: none;
  background: transparent;
  color: var(--bt-text);
  cursor: pointer;
  font: var(--bt-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  text-decoration: none;
  transition: color var(--bt-duration-fast) var(--bt-easing);
  border-right: 1px solid var(--bt-black);
}
.bt-appbar__nav:hover {
  color: var(--bt-red);
}
.bt-appbar__nav svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.bt-appbar__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 1.5rem;
  font: var(--bt-label);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  color: var(--bt-text);
  text-decoration: none;
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-appbar__brand:hover {
  color: var(--bt-red);
}

.bt-appbar__spacer {
  flex: 1;
}

.bt-appbar__links {
  display: flex;
  align-items: center;
  height: 100%;
}

.bt-appbar__link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 1rem;
  font: var(--bt-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  color: var(--bt-text);
  text-decoration: none;
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-appbar__link:hover {
  color: var(--bt-red);
}

.bt-appbar__link--active {
  color: var(--bt-red);
}

.bt-appbar__action {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 1rem;
  border: none;
  background: transparent;
  color: var(--bt-text);
  cursor: pointer;
  border-left: 1px solid var(--bt-black);
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-appbar__action:hover {
  color: var(--bt-red);
}
.bt-appbar__action svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.bt-appbar__book {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 2rem;
  background: var(--bt-black);
  color: var(--bt-white);
  border: none;
  border-left: 1px solid var(--bt-black);
  cursor: pointer;
  font: var(--bt-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  text-decoration: none;
  transition: background var(--bt-duration-fast) var(--bt-easing);
}
.bt-appbar__book:hover {
  background: var(--bt-black-lighter);
}

.bt-appbar--transparent {
  background: transparent;
  outline: none;
}
.bt-appbar--transparent .bt-appbar__brand,
.bt-appbar--transparent .bt-appbar__link,
.bt-appbar--transparent .bt-appbar__nav,
.bt-appbar--transparent .bt-appbar__action {
  color: var(--bt-white);
}
.bt-appbar--transparent .bt-appbar__nav {
  border-right-color: rgba(255, 255, 255, 0.3);
}
.bt-appbar--transparent .bt-appbar__action {
  border-left-color: rgba(255, 255, 255, 0.3);
}

.bt-appbar--compact {
  height: 2.5rem;
}

.bt-sidebar {
  display: flex;
  flex-direction: column;
  width: 260px;
  min-height: 100%;
  padding: 20px 16px;
  background: var(--bt-bg);
  border-right: 1px solid var(--bt-border);
  flex-shrink: 0;
  overflow-y: auto;
  scrollbar-width: none;
}
.bt-sidebar::-webkit-scrollbar {
  display: none;
}

.bt-sidebar__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 20px;
}

.bt-sidebar__logo {
  font: var(--bt-label);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  color: var(--bt-text);
  text-decoration: none;
}

.bt-sidebar__section {
  margin-bottom: 4px;
}

.bt-sidebar__section-title {
  font: var(--bt-micro);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-ultra);
  color: var(--bt-text-secondary);
  padding: 12px 8px 6px;
}

.bt-sidebar__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 36px;
  padding: 0 8px;
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  color: var(--bt-text);
  font: var(--bt-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-sidebar__item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  stroke: currentColor;
}
.bt-sidebar__item:hover {
  color: var(--bt-red);
}

.bt-sidebar__item--active {
  color: var(--bt-red);
}

.bt-sidebar__badge {
  margin-left: auto;
  font: var(--bt-micro);
  color: var(--bt-text-secondary);
}

.bt-sidebar__divider {
  height: 1px;
  background: var(--bt-border);
  margin: 12px 8px;
  border: none;
}

.bt-sidebar__footer {
  margin-top: auto;
  padding: 12px 0 0;
  border-top: 1px solid var(--bt-border);
}

.bt-sidebar--slideout {
  position: fixed;
  top: 3rem;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 640px;
  z-index: 2;
  background: var(--bt-bg);
  border-left: 1px solid var(--bt-border);
  border-right: none;
  padding: 3rem 2rem 2rem;
}

.bt-sidebar--overlay {
  position: fixed;
  top: 3rem;
  right: 0;
  bottom: 3rem;
  left: 0;
  width: 100%;
  background: var(--bt-bg);
  border-right: none;
  border-top: 1px solid var(--bt-border);
  border-bottom: 1px solid var(--bt-border);
  z-index: 20;
  padding: 0;
  overflow-y: scroll;
  overscroll-behavior: contain;
}
.bt-sidebar--overlay .bt-sidebar__item {
  height: auto;
  padding: 2rem 3rem;
  font: var(--bt-label);
  border-top: 1px solid var(--bt-border);
}
.bt-sidebar--overlay .bt-sidebar__item:first-child {
  border-top: none;
}

.bt-sidebar--compact {
  width: 56px;
  padding: 20px 4px;
  align-items: center;
}
.bt-sidebar--compact .bt-sidebar__section-title {
  display: none;
}
.bt-sidebar--compact .bt-sidebar__item {
  width: 40px;
  height: 40px;
  padding: 0;
  justify-content: center;
}
.bt-sidebar--compact .bt-sidebar__item span:not(svg) {
  display: none;
}
.bt-sidebar--compact .bt-sidebar__badge {
  display: none;
}

.bt-tabs {
  display: flex;
  border-bottom: 1px solid var(--bt-border);
  gap: 0;
}

.bt-tabs--scrollable {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.bt-tabs--scrollable::-webkit-scrollbar {
  display: none;
}

.bt-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.9rem 1rem;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--bt-text);
  font: var(--bt-label-sm);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-tab::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--bt-red);
  transform: scaleX(0);
  transition: transform var(--bt-duration-normal) var(--bt-easing);
}
.bt-tab:hover {
  color: var(--bt-red);
}
.bt-tab svg {
  width: 14px;
  height: 14px;
}

.bt-tab--active {
  color: var(--bt-red);
}
.bt-tab--active::after {
  transform: scaleX(1);
}

.bt-tab__badge {
  font: var(--bt-micro);
  color: var(--bt-text-secondary);
  background: var(--bt-cream-medium);
  padding: 1px 5px;
  min-width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bt-tab--active .bt-tab__badge {
  background: var(--bt-error-light);
  color: var(--bt-red);
}

.bt-tabs--outlined {
  border-bottom: none;
}
.bt-tabs--outlined .bt-tab {
  outline: 1px solid var(--bt-border);
  outline-offset: -1px;
  margin-left: -1px;
}
.bt-tabs--outlined .bt-tab:first-child {
  margin-left: 0;
}
.bt-tabs--outlined .bt-tab::after {
  display: none;
}
.bt-tabs--outlined .bt-tab--active {
  background: var(--bt-surface);
  outline-color: var(--bt-black);
}

.bt-tabs--centered {
  justify-content: center;
}

.bt-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  box-shadow: inset 0 0 0 1px var(--bt-border);
  border: none;
  border-radius: var(--bt-radius-none);
  background: transparent;
  color: var(--bt-text);
  font: var(--bt-micro);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-ultra);
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--bt-duration-fast) var(--bt-easing);
}
.bt-chip svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: 0.5;
}
.bt-chip:hover {
  color: var(--bt-red);
  box-shadow: inset 0 0 0 1px var(--bt-red);
}
.bt-chip:hover svg {
  opacity: 1;
}
.bt-chip:focus-visible {
  outline: var(--bt-focus-ring);
}

.bt-chip--selected {
  background: var(--bt-black);
  color: var(--bt-white);
  box-shadow: none;
}
.bt-chip--selected svg {
  opacity: 1;
}
.bt-chip--selected:hover {
  background: var(--bt-black-lighter);
  color: var(--bt-white);
  box-shadow: none;
}

.bt-chip--filled {
  background: var(--bt-cream-medium);
  box-shadow: none;
}
.bt-chip--filled:hover {
  background: var(--bt-border-light);
}
.bt-chip--filled.bt-chip--selected {
  background: var(--bt-black);
  color: var(--bt-white);
}

.bt-chip__remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  margin-right: -4px;
  border: none;
  background: transparent;
  color: inherit;
  opacity: 0.4;
  cursor: pointer;
  padding: 0;
  transition: opacity var(--bt-duration-fast) var(--bt-easing);
}
.bt-chip__remove:hover {
  opacity: 1;
}
.bt-chip__remove svg {
  width: 10px;
  height: 10px;
}

.bt-chip--sm {
  height: 22px;
  padding: 0 8px;
  font-size: 0.5rem;
}

.bt-chip--lg {
  height: 34px;
  padding: 0 14px;
  font: var(--bt-label-sm);
}

.bt-chip:disabled, .bt-chip[disabled] {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

.bt-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.bt-modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bt-overlay);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--bt-duration-normal) var(--bt-easing), visibility var(--bt-duration-normal);
}
.bt-modal-backdrop.bt-modal-backdrop--open {
  opacity: 1;
  visibility: visible;
}

.bt-modal {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(480px, 100vw - 32px);
  max-height: calc(100vh - 64px);
  background: var(--bt-bg);
  color: var(--bt-text);
  border: none;
  border-radius: var(--bt-radius-none);
  outline: 1px solid var(--bt-border);
  outline-offset: -1px;
  overflow: hidden;
  transform: translateY(12px);
  opacity: 0;
  transition: transform var(--bt-duration-normal) var(--bt-easing), opacity var(--bt-duration-normal) var(--bt-easing);
}
.bt-modal-backdrop--open .bt-modal {
  transform: translateY(0);
  opacity: 1;
}

.bt-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 12px;
  border-bottom: 1px solid var(--bt-border);
}

.bt-modal__title {
  font: var(--bt-label);
  text-transform: uppercase;
  letter-spacing: var(--bt-tracking-wide);
  color: var(--bt-text);
  margin: 0;
}

.bt-modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--bt-text-secondary);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: color var(--bt-duration-fast) var(--bt-easing);
}
.bt-modal__close:hover {
  color: var(--bt-red);
}
.bt-modal__close svg {
  width: 16px;
  height: 16px;
}

.bt-modal__body {
  padding: 20px;
  font: var(--bt-body-sm);
  color: var(--bt-text);
  overflow-y: auto;
  flex: 1;
  font-feature-settings: "onum";
}

.bt-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--bt-border);
}

.bt-modal--sm {
  width: min(360px, 100vw - 32px);
}

.bt-modal--lg {
  width: min(640px, 100vw - 32px);
}

.bt-modal--fullscreen {
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
  outline: none;
}

.bt-modal--alert {
  max-width: 400px;
  text-align: center;
}
.bt-modal--alert .bt-modal__header {
  justify-content: center;
  border-bottom: none;
  padding-bottom: 0;
}
.bt-modal--alert .bt-modal__body {
  padding-top: 8px;
}
.bt-modal--alert .bt-modal__footer {
  justify-content: center;
}