@layer cspk-reset, cspk-foundation, cspk-components, cspk-utilities;

@layer cspk-foundation {
  :root {
    color-scheme: light;
    --cspk-font:
      Pretendard, -apple-system, BlinkMacSystemFont, "SF Pro Display",
      "SF Pro Text", "Segoe UI", sans-serif;
    --cspk-bg: #f5f5f7;
    --cspk-bg-elevated: #ffffff;
    --cspk-text: #1d1d1f;
    --cspk-text-soft: #515154;
    --cspk-text-muted: #7d7d82;
    --cspk-accent: #147ce5;
    --cspk-accent-strong: #0064d6;
    --cspk-accent-soft: rgb(20 124 229 / 12%);
    --cspk-success: #138a55;
    --cspk-success-soft: rgb(19 138 85 / 12%);
    --cspk-warning: #ad6800;
    --cspk-warning-soft: rgb(245 166 35 / 16%);
    --cspk-danger: #d73a49;
    --cspk-danger-soft: rgb(215 58 73 / 12%);
    --cspk-info: #5968dc;
    --cspk-info-soft: rgb(89 104 220 / 12%);
    --cspk-border: rgb(60 60 67 / 12%);
    --cspk-border-strong: rgb(60 60 67 / 20%);
    --cspk-hover: rgb(60 60 67 / 6%);
    --cspk-pressed: rgb(60 60 67 / 10%);
    --cspk-glass: rgb(255 255 255 / 68%);
    --cspk-glass-strong: rgb(255 255 255 / 84%);
    --cspk-glass-subtle: rgb(255 255 255 / 48%);
    --cspk-glass-border: rgb(255 255 255 / 82%);
    --cspk-popover: rgb(255 255 255 / 62%);
    --cspk-popup: rgb(255 255 255 / 70%);
    --cspk-shadow-sm: 0 6px 22px rgb(0 0 0 / 6%);
    --cspk-shadow-md:
      0 18px 50px rgb(0 0 0 / 9%), inset 0 1px rgb(255 255 255 / 62%);
    --cspk-shadow-lg:
      0 30px 90px rgb(0 0 0 / 16%), inset 0 1px rgb(255 255 255 / 70%);
    --cspk-radius-sm: 12px;
    --cspk-radius-md: 18px;
    --cspk-radius-lg: 26px;
    --cspk-radius-xl: 34px;
    --cspk-space-1: 4px;
    --cspk-space-2: 8px;
    --cspk-space-3: 12px;
    --cspk-space-4: 16px;
    --cspk-space-5: 20px;
    --cspk-space-6: 24px;
    --cspk-space-8: 32px;
    --cspk-space-10: 40px;
    --cspk-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --cspk-duration-fast: 140ms;
    --cspk-duration: 240ms;
    --cspk-blur: 28px;
  }

  :root[data-cspk-theme="dark"] {
    color-scheme: dark;
    --cspk-bg: #101012;
    --cspk-bg-elevated: #1c1c1e;
    --cspk-text: #f2f6fc;
    --cspk-text-soft: #b1bdd0;
    --cspk-text-muted: #7e8ba0;
    --cspk-accent: #55a7ff;
    --cspk-accent-strong: #82bdff;
    --cspk-accent-soft: rgb(85 167 255 / 16%);
    --cspk-success: #48d190;
    --cspk-success-soft: rgb(72 209 144 / 15%);
    --cspk-warning: #ffb64a;
    --cspk-warning-soft: rgb(255 182 74 / 16%);
    --cspk-danger: #ff7180;
    --cspk-danger-soft: rgb(255 113 128 / 15%);
    --cspk-info: #9ba5ff;
    --cspk-info-soft: rgb(155 165 255 / 15%);
    --cspk-border: rgb(207 222 244 / 12%);
    --cspk-border-strong: rgb(207 222 244 / 22%);
    --cspk-hover: rgb(255 255 255 / 7%);
    --cspk-pressed: rgb(255 255 255 / 11%);
    --cspk-glass: rgb(38 38 40 / 66%);
    --cspk-glass-strong: rgb(38 38 40 / 84%);
    --cspk-glass-subtle: rgb(38 38 40 / 46%);
    --cspk-glass-border: rgb(255 255 255 / 15%);
    --cspk-popover: rgb(34 34 36 / 64%);
    --cspk-popup: rgb(34 34 36 / 72%);
    --cspk-shadow-sm: 0 8px 28px rgb(0 0 0 / 20%);
    --cspk-shadow-md:
      0 22px 64px rgb(0 0 0 / 32%), inset 0 1px rgb(255 255 255 / 14%);
    --cspk-shadow-lg:
      0 36px 110px rgb(0 0 0 / 46%), inset 0 1px rgb(255 255 255 / 16%);
  }
}

@layer cspk-reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  :where(button, input, select, textarea) {
    font: inherit;
  }

  :where(button, a, input, select, textarea):focus-visible {
    outline: 3px solid color-mix(in srgb, var(--cspk-accent) 38%, transparent);
    outline-offset: 2px;
  }

  [hidden] {
    display: none !important;
  }
}

@layer cspk-components {
  .cspk-page {
    min-height: 100vh;
    margin: 0;
    color: var(--cspk-text);
    background: var(--cspk-bg);
    font-family: var(--cspk-font);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  .cspk-glass,
  .cspk-card {
    border: 1px solid var(--cspk-glass-border);
    background: var(--cspk-glass);
    box-shadow: var(--cspk-shadow-md);
    -webkit-backdrop-filter: saturate(150%) blur(var(--cspk-blur));
    backdrop-filter: saturate(150%) blur(var(--cspk-blur));
  }

  .cspk-card {
    border-radius: var(--cspk-radius-lg);
    padding: clamp(18px, 2vw, 26px);
  }

  .cspk-card--solid {
    border-color: var(--cspk-border);
    background: var(--cspk-bg-elevated);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .cspk-card--interactive {
    transition:
      transform var(--cspk-duration) var(--cspk-ease),
      border-color var(--cspk-duration-fast) ease,
      box-shadow var(--cspk-duration) ease;
  }

  .cspk-card--interactive:hover {
    border-color: var(--cspk-border-strong);
    box-shadow: var(--cspk-shadow-lg);
    transform: translateY(-3px);
  }

  .cspk-button {
    position: relative;
    display: inline-flex;
    min-height: 44px;
    width: auto;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 10px 18px;
    color: white;
    background: var(--cspk-accent);
    box-shadow: 0 8px 22px rgb(20 124 229 / 20%);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.01em;
    text-decoration: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition:
      transform var(--cspk-duration-fast) var(--cspk-ease),
      box-shadow var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease,
      opacity var(--cspk-duration-fast) ease;
  }

  .cspk-button:hover:not(:disabled) {
    background: var(--cspk-accent-strong);
    box-shadow: 0 11px 26px rgb(20 124 229 / 27%);
    transform: translateY(-1px);
  }

  .cspk-button:active:not(:disabled) {
    transform: scale(0.97);
  }

  .cspk-button:disabled {
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.48;
  }

  .cspk-button--secondary {
    border-color: var(--cspk-border);
    color: var(--cspk-text);
    background: var(--cspk-glass-strong);
    box-shadow: var(--cspk-shadow-sm);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }

  .cspk-button--secondary:hover:not(:disabled),
  .cspk-button--glass:hover:not(:disabled) {
    color: var(--cspk-text);
    background: var(--cspk-bg-elevated);
    box-shadow: var(--cspk-shadow-sm);
  }

  .cspk-button--ghost {
    color: var(--cspk-accent);
    background: transparent;
    box-shadow: none;
  }

  .cspk-button--ghost:hover:not(:disabled) {
    color: var(--cspk-accent);
    background: var(--cspk-hover);
    box-shadow: none;
  }

  .cspk-button--glass {
    border-color: rgb(255 255 255 / 36%);
    color: var(--cspk-text);
    background: var(--cspk-glass-subtle);
    box-shadow: var(--cspk-shadow-sm);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }

  .cspk-button--danger {
    color: white;
    background: var(--cspk-danger);
    box-shadow: 0 8px 22px color-mix(in srgb, var(--cspk-danger) 24%, transparent);
  }

  .cspk-button--danger:hover:not(:disabled) {
    background: color-mix(in srgb, var(--cspk-danger) 86%, black);
  }

  .cspk-button--small {
    min-height: 36px;
    padding: 8px 13px;
    font-size: 13px;
  }

  .cspk-button--large {
    min-height: 52px;
    padding: 13px 22px;
    font-size: 16px;
  }

  .cspk-button__icon {
    display: grid;
    width: 18px;
    height: 18px;
    place-items: center;
    font-size: 18px;
    font-weight: 500;
  }

  .cspk-button.is-loading::before {
    width: 15px;
    height: 15px;
    border: 2px solid currentcolor;
    border-right-color: transparent;
    border-radius: 50%;
    content: "";
    animation: cspk-spin 700ms linear infinite;
  }

  .cspk-icon-button {
    width: 44px;
    flex: 0 0 44px;
    padding: 0;
    border-radius: 50%;
  }

  .cspk-icon-button .cspk-button__label {
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 500;
  }

  .cspk-badge {
    display: inline-flex;
    min-height: 26px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--cspk-border);
    border-radius: 999px;
    padding: 4px 10px;
    color: var(--cspk-text-soft);
    background: var(--cspk-glass-subtle);
    font-size: 12px;
    font-weight: 750;
    line-height: 1;
  }

  .cspk-badge--accent,
  .cspk-badge--info {
    border-color: transparent;
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-badge--success {
    border-color: transparent;
    color: var(--cspk-success);
    background: var(--cspk-success-soft);
  }

  .cspk-badge--warning {
    border-color: transparent;
    color: var(--cspk-warning);
    background: var(--cspk-warning-soft);
  }

  .cspk-badge--danger {
    border-color: transparent;
    color: var(--cspk-danger);
    background: var(--cspk-danger-soft);
  }

  .cspk-avatar {
    position: relative;
    display: inline-grid;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    place-items: center;
    overflow: visible;
    border: 1px solid rgb(255 255 255 / 55%);
    border-radius: 50%;
    color: white;
    background: var(--cspk-accent);
    box-shadow: var(--cspk-shadow-sm);
    font-size: 13px;
    font-weight: 800;
  }

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

  .cspk-avatar--small {
    width: 30px;
    height: 30px;
    font-size: 10px;
  }

  .cspk-avatar--large {
    width: 58px;
    height: 58px;
    font-size: 17px;
  }

  .cspk-avatar__status {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 11px;
    height: 11px;
    border: 2px solid var(--cspk-bg-elevated);
    border-radius: 50%;
    background: var(--cspk-text-muted);
  }

  .cspk-avatar__status--online {
    background: var(--cspk-success);
  }

  .cspk-list {
    display: grid;
    overflow: hidden;
    border: 1px solid var(--cspk-border);
    border-radius: var(--cspk-radius-md);
    background: color-mix(in srgb, var(--cspk-glass-strong) 80%, transparent);
  }

  .cspk-list-item {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 14px;
    border: 0;
    border-bottom: 1px solid var(--cspk-border);
    padding: 14px 16px;
    color: var(--cspk-text);
    background: transparent;
    font: inherit;
    text-align: left;
    text-decoration: none;
  }

  .cspk-list-item:last-child {
    border-bottom: 0;
  }

  .cspk-list-item--interactive {
    width: 100%;
    border-radius: 13px;
    background-clip: padding-box;
    cursor: pointer;
    transition:
      background var(--cspk-duration-fast) ease,
      transform var(--cspk-duration-fast) var(--cspk-ease);
  }

  .cspk-list-item--interactive:hover {
    background: var(--cspk-hover);
  }

  .cspk-list-item--interactive:active {
    background: var(--cspk-pressed);
  }

  .cspk-list-item__leading,
  .cspk-list-item__trailing {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
  }

  .cspk-list-item__content {
    display: grid;
    min-width: 0;
    flex: 1;
    gap: 3px;
  }

  .cspk-list-item__title,
  .cspk-list-item__description,
  .cspk-list-item__meta {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .cspk-list-item__title {
    font-size: 14px;
  }

  .cspk-list-item__description {
    color: var(--cspk-text-soft);
    font-size: 13px;
  }

  .cspk-list-item__meta {
    color: var(--cspk-text-muted);
    font-size: 11px;
  }

  .cspk-empty-state {
    display: grid;
    min-height: 210px;
    place-items: center;
    align-content: center;
    gap: 9px;
    padding: 28px;
    color: var(--cspk-text-soft);
    text-align: center;
  }

  .cspk-empty-state__symbol {
    display: grid;
    width: 48px;
    height: 48px;
    margin-bottom: 4px;
    place-items: center;
    border-radius: 16px;
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
    font-size: 23px;
  }

  .cspk-empty-state__title {
    color: var(--cspk-text);
    font-size: 16px;
  }

  .cspk-empty-state__message {
    max-width: 30rem;
    margin: 0 0 8px;
    font-size: 13px;
    line-height: 1.55;
  }

  .cspk-skeleton-group {
    display: flex;
    align-items: center;
    gap: 14px;
  }

  .cspk-skeleton-group__body {
    display: grid;
    min-width: 0;
    flex: 1;
    gap: 9px;
  }

  .cspk-skeleton {
    display: block;
    overflow: hidden;
    background:
      linear-gradient(
        100deg,
        transparent 20%,
        color-mix(in srgb, var(--cspk-text) 8%, transparent) 48%,
        transparent 76%
      ),
      color-mix(in srgb, var(--cspk-text) 7%, transparent);
    background-size: 220% 100%;
    animation: cspk-shimmer 1.45s ease-in-out infinite;
  }

  .cspk-skeleton--avatar {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    border-radius: 50%;
  }

  .cspk-skeleton--line {
    width: var(--skeleton-width, 100%);
    height: 11px;
    border-radius: 999px;
  }

  .cspk-field {
    display: grid;
    gap: 7px;
    color: var(--cspk-text);
  }

  .cspk-field__label {
    font-size: 13px;
    font-weight: 720;
  }

  .cspk-field__help,
  .cspk-field__error {
    color: var(--cspk-text-muted);
    font-size: 12px;
    line-height: 1.4;
  }

  .cspk-field__error {
    color: var(--cspk-danger);
  }

  .cspk-input,
  .cspk-select,
  .cspk-textarea,
  .cspk-search {
    width: 100%;
    min-height: 46px;
    border: 1px solid var(--cspk-border);
    border-radius: var(--cspk-radius-sm);
    padding: 11px 13px;
    color: var(--cspk-text);
    background: color-mix(in srgb, var(--cspk-glass-strong) 86%, transparent);
    box-shadow: inset 0 1px rgb(255 255 255 / 18%);
    outline: none;
    transition:
      border-color var(--cspk-duration-fast) ease,
      box-shadow var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease;
  }

  .cspk-textarea {
    min-height: 110px;
    resize: vertical;
  }

  .cspk-input::placeholder,
  .cspk-textarea::placeholder,
  .cspk-search::placeholder {
    color: var(--cspk-text-muted);
  }

  .cspk-input:hover,
  .cspk-select:hover,
  .cspk-textarea:hover,
  .cspk-search:hover {
    border-color: var(--cspk-border-strong);
  }

  .cspk-input:focus,
  .cspk-select:focus,
  .cspk-textarea:focus,
  .cspk-search:focus {
    border-color: var(--cspk-accent);
    background: var(--cspk-bg-elevated);
    box-shadow: 0 0 0 4px var(--cspk-accent-soft);
  }

  .cspk-field.has-error :is(.cspk-input, .cspk-select, .cspk-textarea) {
    border-color: var(--cspk-danger);
    box-shadow: 0 0 0 4px var(--cspk-danger-soft);
  }

  .cspk-search-wrap {
    position: relative;
  }

  .cspk-search-wrap::before {
    position: absolute;
    top: 50%;
    left: 14px;
    color: var(--cspk-text-muted);
    content: "⌕";
    font-size: 18px;
    transform: translateY(-52%);
    pointer-events: none;
  }

  .cspk-search-wrap .cspk-search {
    padding-left: 40px;
    border-radius: 999px;
  }

  .cspk-search::-webkit-search-cancel-button,
  .cspk-command__input::-webkit-search-cancel-button,
  .cspk-product-search input::-webkit-search-cancel-button {
    display: none;
    -webkit-appearance: none;
    appearance: none;
  }

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

  .cspk-check-row {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

  .cspk-check-row__copy {
    display: grid;
    gap: 3px;
  }

  .cspk-check-row__copy strong {
    font-size: 14px;
  }

  .cspk-check-row__copy small {
    color: var(--cspk-text-muted);
    font-size: 12px;
  }

  .cspk-switch {
    position: relative;
    width: 50px;
    height: 30px;
    flex: 0 0 50px;
    border: 0;
    border-radius: 999px;
    padding: 3px;
    background: color-mix(in srgb, var(--cspk-text) 16%, transparent);
    cursor: pointer;
    transition: background var(--cspk-duration-fast) ease;
  }

  .cspk-switch::after {
    display: block;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 2px 7px rgb(0 0 0 / 22%);
    content: "";
    transition: transform var(--cspk-duration) var(--cspk-ease);
  }

  .cspk-switch[aria-checked="true"] {
    background: var(--cspk-accent);
  }

  .cspk-switch[aria-checked="true"]::after {
    transform: translateX(20px);
  }

  .cspk-segmented {
    display: inline-flex;
    max-width: 100%;
    gap: 2px;
    border: 1px solid var(--cspk-border);
    border-radius: 999px;
    padding: 3px;
    background: color-mix(in srgb, var(--cspk-glass-subtle) 80%, transparent);
  }

  .cspk-segmented button {
    min-height: 34px;
    border: 0;
    border-radius: 999px;
    padding: 7px 14px;
    color: var(--cspk-text-soft);
    background: transparent;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
    transition:
      color var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease,
      box-shadow var(--cspk-duration-fast) ease;
  }

  .cspk-segmented button.is-selected {
    color: var(--cspk-text);
    background: var(--cspk-glass-strong);
    box-shadow: 0 3px 10px rgb(31 46 68 / 11%);
  }

  .cspk-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 2px;
    scrollbar-width: none;
  }

  .cspk-tabs::-webkit-scrollbar {
    display: none;
  }

  .cspk-tab {
    min-height: 38px;
    flex: 0 0 auto;
    border: 0;
    border-radius: 999px;
    padding: 8px 14px;
    color: var(--cspk-text-soft);
    background: transparent;
    font-size: 13px;
    font-weight: 720;
    cursor: pointer;
  }

  .cspk-tab[aria-selected="true"] {
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-tab-panel {
    padding-top: 16px;
  }

  .cspk-accordion {
    overflow: hidden;
    border: 1px solid var(--cspk-border);
    border-radius: var(--cspk-radius-md);
  }

  .cspk-accordion__item + .cspk-accordion__item {
    border-top: 1px solid var(--cspk-border);
  }

  .cspk-accordion__trigger {
    display: flex;
    width: 100%;
    min-height: 52px;
    align-items: center;
    justify-content: space-between;
    border: 0;
    padding: 13px 16px;
    color: var(--cspk-text);
    background: transparent;
    font-weight: 720;
    text-align: left;
    cursor: pointer;
  }

  .cspk-accordion__trigger::after {
    color: var(--cspk-text-muted);
    content: "+";
    font-size: 20px;
    font-weight: 400;
    transition: transform var(--cspk-duration) var(--cspk-ease);
  }

  .cspk-accordion__trigger[aria-expanded="true"]::after {
    transform: rotate(45deg);
  }

  .cspk-accordion__panel {
    padding: 0 16px 16px;
    color: var(--cspk-text-soft);
    font-size: 13px;
    line-height: 1.6;
  }

  .cspk-dropdown {
    position: relative;
    display: inline-flex;
  }

  .cspk-dropdown__menu {
    position: absolute;
    z-index: 30;
    top: calc(100% + 8px);
    right: 0;
    display: grid;
    width: max-content;
    min-width: 190px;
    overflow: hidden;
    border: 1px solid var(--cspk-border);
    border-radius: var(--cspk-radius-md);
    padding: 6px;
    background: var(--cspk-popover);
    box-shadow: var(--cspk-shadow-md);
    -webkit-backdrop-filter: blur(42px) saturate(190%);
    backdrop-filter: blur(42px) saturate(190%);
    transform-origin: top right;
    animation: cspk-menu-in var(--cspk-duration) var(--cspk-ease);
  }

  .cspk-dropdown__menu :is(button, a) {
    display: flex;
    min-height: 40px;
    align-items: center;
    gap: 10px;
    border: 0;
    border-radius: 10px;
    padding: 9px 11px;
    color: var(--cspk-text);
    background: transparent;
    font-size: 13px;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
  }

  .cspk-dropdown__menu :is(button, a):hover {
    background: var(--cspk-hover);
  }

  .cspk-filedrop {
    display: grid;
    min-height: 150px;
    place-items: center;
    align-content: center;
    gap: 8px;
    border: 1.5px dashed var(--cspk-border-strong);
    border-radius: var(--cspk-radius-md);
    padding: 22px;
    color: var(--cspk-text-soft);
    background: color-mix(in srgb, var(--cspk-glass-subtle) 62%, transparent);
    text-align: center;
    cursor: pointer;
    transition:
      border-color var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease,
      transform var(--cspk-duration-fast) ease;
  }

  .cspk-filedrop:hover {
    border-color: var(--cspk-border-strong);
    background: var(--cspk-hover);
    transform: translateY(-1px);
  }

  .cspk-filedrop.is-dragging {
    border-color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
    transform: translateY(-1px);
  }

  .cspk-filedrop input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .cspk-filedrop__symbol {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 14px;
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
    font-size: 21px;
  }

  .cspk-filedrop strong {
    color: var(--cspk-text);
    font-size: 14px;
  }

  .cspk-filedrop small {
    color: var(--cspk-text-muted);
    font-size: 11px;
  }

  .cspk-progress {
    display: grid;
    gap: 7px;
  }

  .cspk-progress__meta {
    display: flex;
    justify-content: space-between;
    color: var(--cspk-text-soft);
    font-size: 12px;
    font-weight: 700;
  }

  .cspk-progress__track {
    height: 7px;
    overflow: hidden;
    border-radius: 999px;
    background: color-mix(in srgb, var(--cspk-text) 9%, transparent);
  }

  .cspk-progress__value {
    display: block;
    width: var(--value, 0%);
    height: 100%;
    border-radius: inherit;
    background: var(--cspk-accent);
    transition: width 600ms var(--cspk-ease);
  }

  .cspk-toast-layer {
    position: fixed;
    z-index: 1000;
    top: max(18px, env(safe-area-inset-top));
    right: 18px;
    display: grid;
    width: min(390px, calc(100vw - 36px));
    gap: 10px;
    pointer-events: none;
  }

  .cspk-toast {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--cspk-border);
    border-radius: 20px;
    padding: 12px;
    color: var(--cspk-text);
    background: var(--cspk-glass-strong);
    box-shadow: var(--cspk-shadow-lg);
    opacity: 0;
    -webkit-backdrop-filter: saturate(150%) blur(28px);
    backdrop-filter: saturate(150%) blur(28px);
    pointer-events: auto;
    transform: translateY(-10px) scale(0.97);
    transition:
      opacity var(--cspk-duration) ease,
      transform var(--cspk-duration) var(--cspk-ease);
  }

  .cspk-toast.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
  }

  .cspk-toast__symbol {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border-radius: 12px;
    color: var(--cspk-text-soft);
    background: color-mix(in srgb, var(--cspk-text) 8%, transparent);
    font-weight: 850;
  }

  .cspk-toast--success .cspk-toast__symbol {
    color: var(--cspk-success);
    background: var(--cspk-success-soft);
  }

  .cspk-toast--warning .cspk-toast__symbol {
    color: var(--cspk-warning);
    background: var(--cspk-warning-soft);
  }

  .cspk-toast--danger .cspk-toast__symbol {
    color: var(--cspk-danger);
    background: var(--cspk-danger-soft);
  }

  .cspk-toast--info .cspk-toast__symbol {
    color: var(--cspk-info);
    background: var(--cspk-info-soft);
  }

  .cspk-toast__copy {
    display: grid;
    min-width: 0;
    gap: 3px;
  }

  .cspk-toast__title {
    font-size: 14px;
  }

  .cspk-toast__message {
    overflow: hidden;
    color: var(--cspk-text-soft);
    font-size: 12px;
    line-height: 1.4;
    text-overflow: ellipsis;
  }

  .cspk-toast__action {
    padding-inline: 10px;
  }

  .cspk-toast__dismiss,
  .cspk-overlay__close {
    display: grid;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    color: var(--cspk-text-soft);
    background: color-mix(in srgb, var(--cspk-text) 7%, transparent);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
  }

  .cspk-overlay-layer {
    position: relative;
    z-index: 1100;
  }

  .cspk-overlay {
    position: fixed;
    z-index: 1100;
    inset: 0;
    display: grid;
    padding: 22px;
    overflow: hidden;
    isolation: isolate;
    background: transparent;
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    overscroll-behavior: contain;
  }

  .cspk-overlay::before {
    position: absolute;
    z-index: 0;
    inset: 0;
    background: rgb(8 14 24 / 24%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--cspk-duration-fast) ease;
    content: "";
  }

  .cspk-overlay--modal,
  .cspk-overlay--palette,
  .cspk-overlay--popup {
    place-items: center;
  }

  .cspk-overlay--sheet {
    align-items: end;
    justify-items: center;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .cspk-overlay.is-visible::before {
    opacity: 1;
  }

  .cspk-overlay__panel {
    position: relative;
    z-index: 1;
    display: flex;
    width: min(100%, 520px);
    max-height: min(86vh, 780px);
    flex-direction: column;
    overflow: hidden;
    border: 1px solid rgb(255 255 255 / 42%);
    border-radius: 30px;
    color: var(--cspk-text);
    background: var(--cspk-popup);
    box-shadow: var(--cspk-shadow-lg);
    opacity: 0;
    -webkit-backdrop-filter: saturate(185%) blur(48px);
    backdrop-filter: saturate(185%) blur(48px);
    transform: none;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transition: opacity var(--cspk-duration-fast) ease;
    will-change: opacity;
  }

  .cspk-overlay.is-visible .cspk-overlay__panel {
    opacity: 1;
  }

  .cspk-overlay__motion {
    display: flex;
    width: 100%;
    min-height: 0;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translate3d(0, 12px, 0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transition:
      opacity var(--cspk-duration-fast) ease,
      transform 180ms var(--cspk-ease);
    will-change: opacity, transform;
  }

  .cspk-overlay.is-visible .cspk-overlay__motion {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .cspk-overlay__panel--small {
    width: min(100%, 410px);
  }

  .cspk-overlay__panel--large {
    width: min(100%, 680px);
  }

  .cspk-overlay__panel--sheet {
    width: min(100%, 720px);
    border-radius: 30px;
  }

  .cspk-overlay__panel--sheet .cspk-overlay__motion {
    transform: translate3d(0, 24px, 0);
  }

  .cspk-overlay.is-visible
    .cspk-overlay__panel--sheet
    .cspk-overlay__motion {
    transform: translate3d(0, 0, 0);
  }

  .cspk-overlay__panel--sheet::before {
    width: 38px;
    height: 5px;
    flex: 0 0 auto;
    align-self: center;
    margin-top: 10px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--cspk-text) 18%, transparent);
    content: "";
  }

  .cspk-overlay__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 22px 10px;
  }

  .cspk-overlay__heading {
    display: grid;
    min-width: 0;
    flex: 1;
    gap: 5px;
  }

  .cspk-overlay__symbol {
    display: grid;
    width: 44px;
    height: 44px;
    flex: 0 0 44px;
    place-items: center;
    border-radius: 15px;
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
    font-size: 20px;
    font-weight: 820;
  }

  .cspk-overlay__symbol--success {
    color: var(--cspk-success);
    background: var(--cspk-success-soft);
  }

  .cspk-overlay__symbol--warning {
    color: var(--cspk-warning);
    background: var(--cspk-warning-soft);
  }

  .cspk-overlay__symbol--danger {
    color: var(--cspk-danger);
    background: var(--cspk-danger-soft);
  }

  .cspk-overlay__description {
    max-width: 38rem;
    margin: 2px 0 0;
    color: var(--cspk-text-soft);
    font-size: 12px;
    line-height: 1.5;
  }

  .cspk-overlay__eyebrow {
    color: var(--cspk-accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .cspk-overlay__title {
    margin: 0;
    font-size: clamp(20px, 3vw, 25px);
    letter-spacing: -0.035em;
  }

  .cspk-overlay__body {
    overflow-y: auto;
    padding: 10px 22px 22px;
    color: var(--cspk-text-soft);
    line-height: 1.6;
    overscroll-behavior: contain;
  }

  .cspk-overlay__footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    border-top: 1px solid var(--cspk-border);
    padding: 14px 18px 18px;
  }

  .cspk-overlay__action--edge-start {
    margin-inline-end: auto;
  }

  .cspk-command {
    display: grid;
    gap: 12px;
  }

  .cspk-command__input {
    width: 100%;
    min-height: 52px;
    border: 1px solid var(--cspk-border);
    border-radius: 16px;
    padding: 12px 15px;
    color: var(--cspk-text);
    background: color-mix(in srgb, var(--cspk-glass-subtle) 75%, transparent);
    font-size: 16px;
    outline: none;
  }

  .cspk-command__input:focus {
    border-color: var(--cspk-accent);
    box-shadow: 0 0 0 4px var(--cspk-accent-soft);
  }

  .cspk-command__list {
    display: grid;
    max-height: 360px;
    gap: 4px;
    overflow-y: auto;
  }

  .cspk-command__item {
    display: flex;
    width: 100%;
    min-height: 56px;
    align-items: center;
    gap: 12px;
    border: 0;
    border-radius: 15px;
    padding: 9px 11px;
    color: var(--cspk-text);
    background: transparent;
    text-align: left;
    cursor: pointer;
  }

  .cspk-command__item.is-active {
    background: var(--cspk-accent-soft);
  }

  .cspk-command__symbol {
    display: grid;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    place-items: center;
    border-radius: 12px;
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-command__copy {
    display: grid;
    min-width: 0;
    flex: 1;
    gap: 2px;
  }

  .cspk-command__copy strong {
    font-size: 13px;
  }

  .cspk-command__copy small {
    overflow: hidden;
    color: var(--cspk-text-muted);
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .cspk-command__shortcut {
    border: 1px solid var(--cspk-border);
    border-radius: 7px;
    padding: 3px 6px;
    color: var(--cspk-text-muted);
    background: var(--cspk-glass-subtle);
    font-family: var(--cspk-font);
    font-size: 10px;
  }

  .cspk-app-rail {
    position: fixed;
    z-index: 100;
    top: 18px;
    bottom: 18px;
    left: 18px;
    display: flex;
    width: 76px;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    border-radius: 28px;
    padding: 14px 10px;
  }

  .cspk-app-rail__brand {
    display: grid;
    width: 46px;
    height: 46px;
    margin-bottom: 8px;
    place-items: center;
    border-radius: 16px;
    color: white;
    background: var(--cspk-accent);
    box-shadow: 0 10px 24px rgb(20 124 229 / 28%);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: -0.03em;
  }

  .cspk-app-rail__item {
    display: grid;
    width: 48px;
    min-height: 48px;
    place-items: center;
    border: 0;
    border-radius: 16px;
    color: var(--cspk-text-muted);
    background: transparent;
    font-size: 19px;
    text-decoration: none;
    cursor: pointer;
    transition:
      color var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease;
  }

  .cspk-app-rail__item:hover {
    color: var(--cspk-text);
    background: var(--cspk-hover);
  }

  .cspk-app-rail__item.is-active {
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-app-rail__spacer {
    flex: 1;
  }

  .cspk-mobile-nav {
    position: fixed;
    z-index: 100;
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    left: 12px;
    display: none;
    min-height: 66px;
    align-items: center;
    justify-content: space-around;
    border-radius: 23px;
    padding: 7px;
  }

  .cspk-mobile-nav__item {
    display: grid;
    min-width: 56px;
    min-height: 52px;
    place-items: center;
    gap: 1px;
    border: 0;
    border-radius: 17px;
    color: var(--cspk-text-muted);
    background: transparent;
    font-size: 17px;
    text-decoration: none;
  }

  .cspk-mobile-nav__item small {
    font-size: 10px;
    font-weight: 720;
  }

  .cspk-mobile-nav__item.is-active {
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  [data-tooltip] {
    position: relative;
  }

  [data-tooltip]::after {
    position: absolute;
    z-index: 80;
    top: calc(100% + 8px);
    left: 50%;
    width: max-content;
    max-width: 220px;
    border-radius: 8px;
    padding: 6px 9px;
    color: white;
    background: rgb(16 24 37 / 88%);
    box-shadow: var(--cspk-shadow-sm);
    content: attr(data-tooltip);
    font-size: 11px;
    line-height: 1.35;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -3px);
    transition:
      opacity var(--cspk-duration-fast) ease,
      transform var(--cspk-duration-fast) ease;
  }

  [data-tooltip]:is(:hover, :focus-visible)::after {
    opacity: 1;
    transform: translate(-50%, 0);
  }

  @keyframes cspk-spin {
    to {
      transform: rotate(1turn);
    }
  }

  @keyframes cspk-shimmer {
    from {
      background-position: 100% 0;
    }
    to {
      background-position: -120% 0;
    }
  }

  @keyframes cspk-menu-in {
    from {
      opacity: 0;
      transform: translateY(-5px) scale(0.97);
    }
  }
}

@layer cspk-utilities {
  .cspk-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
  }

  .cspk-cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
  }

  .cspk-stack {
    display: grid;
    gap: 16px;
  }

  .cspk-muted {
    color: var(--cspk-text-muted);
  }

  .cspk-divider {
    height: 1px;
    border: 0;
    background: var(--cspk-border);
  }
}

@media (max-width: 760px) {
  .cspk-form-grid {
    grid-template-columns: 1fr;
  }

  .cspk-app-rail {
    display: none;
  }

  .cspk-mobile-nav {
    display: flex;
  }

  .cspk-toast-layer {
    top: auto;
    right: 12px;
    bottom: calc(92px + env(safe-area-inset-bottom));
    left: 12px;
    width: auto;
  }

  .cspk-overlay {
    padding: 12px;
  }

  .cspk-overlay--modal,
  .cspk-overlay--palette {
    align-items: end;
  }

  .cspk-overlay__panel--modal,
  .cspk-overlay__panel--palette {
    border-radius: 28px;
  }

  .cspk-overlay__panel--modal .cspk-overlay__motion,
  .cspk-overlay__panel--palette .cspk-overlay__motion {
    transform: translate3d(0, 24px, 0);
  }

  .cspk-overlay.is-visible
    :is(
      .cspk-overlay__panel--modal,
      .cspk-overlay__panel--palette
    )
    .cspk-overlay__motion {
    transform: translate3d(0, 0, 0);
  }

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

  .cspk-overlay__footer .cspk-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
}

@media (forced-colors: active) {
  .cspk-glass,
  .cspk-card,
  .cspk-button,
  .cspk-input,
  .cspk-select,
  .cspk-textarea,
  .cspk-toast,
  .cspk-overlay__panel {
    border: 1px solid CanvasText;
  }
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .cspk-glass,
  .cspk-card,
  .cspk-toast,
  .cspk-overlay__panel,
  .cspk-dropdown__menu {
    background: var(--cspk-bg-elevated);
  }
}

@layer cspk-components {
  html {
    scroll-behavior: smooth;
  }

  .cspk-button,
  .cspk-icon-button,
  [data-ui-press="ripple"] {
    overflow: hidden;
    isolation: isolate;
  }

  .cspk-press-pulse {
    position: absolute;
    z-index: -1;
    width: var(--cspk-press-size, 44px);
    height: var(--cspk-press-size, 44px);
    border-radius: 50%;
    background: currentcolor;
    opacity: 0.1;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.08);
    animation: cspk-press-pulse 360ms var(--cspk-ease) forwards;
  }

  .cspk-button.is-pressed,
  .cspk-icon-button.is-pressed,
  .cspk-list-item--interactive.is-pressed {
    transform: scale(0.985);
  }

  .cspk-button--2xs {
    min-height: 28px;
    gap: 5px;
    padding: 5px 9px;
    font-size: 10px;
  }

  .cspk-button--xs {
    min-height: 32px;
    gap: 6px;
    padding: 6px 11px;
    font-size: 11px;
  }

  .cspk-button--medium {
    min-height: 44px;
    padding: 10px 18px;
    font-size: 14px;
  }

  .cspk-button--xl {
    min-height: 60px;
    gap: 10px;
    padding: 16px 28px;
    font-size: 17px;
  }

  .cspk-button--2xl {
    min-height: 68px;
    gap: 12px;
    padding: 19px 34px;
    font-size: 19px;
  }

  .cspk-button--block {
    width: 100%;
  }

  .cspk-icon-button.cspk-button--2xs {
    width: 28px;
    flex-basis: 28px;
    padding: 0;
  }

  .cspk-icon-button.cspk-button--xs {
    width: 32px;
    flex-basis: 32px;
    padding: 0;
  }

  .cspk-icon-button.cspk-button--small {
    width: 36px;
    flex-basis: 36px;
    padding: 0;
  }

  .cspk-icon-button.cspk-button--large {
    width: 52px;
    flex-basis: 52px;
    padding: 0;
  }

  .cspk-icon-button.cspk-button--xl {
    width: 60px;
    flex-basis: 60px;
    padding: 0;
  }

  .cspk-icon-button.cspk-button--2xl {
    width: 68px;
    flex-basis: 68px;
    padding: 0;
  }

  .cspk-badge--2xs {
    min-height: 20px;
    padding: 3px 7px;
    font-size: 9px;
  }

  .cspk-badge--xs {
    min-height: 23px;
    padding: 3px 8px;
    font-size: 10px;
  }

  .cspk-badge--medium {
    min-height: 30px;
    padding: 5px 12px;
    font-size: 13px;
  }

  .cspk-badge--large,
  .cspk-badge--xl,
  .cspk-badge--2xl {
    min-height: 36px;
    padding: 7px 15px;
    font-size: 14px;
  }

  .cspk-avatar--2xs {
    width: 22px;
    height: 22px;
    font-size: 8px;
  }

  .cspk-avatar--xs {
    width: 26px;
    height: 26px;
    font-size: 9px;
  }

  .cspk-avatar--xl {
    width: 72px;
    height: 72px;
    font-size: 21px;
  }

  .cspk-avatar--2xl {
    width: 92px;
    height: 92px;
    font-size: 27px;
  }

  .cspk-card--xs {
    border-radius: var(--cspk-radius-sm);
    padding: 12px;
  }

  .cspk-card--small {
    border-radius: 16px;
    padding: 16px;
  }

  .cspk-card--large {
    border-radius: 30px;
    padding: clamp(24px, 4vw, 38px);
  }

  .cspk-card--xl {
    border-radius: 36px;
    padding: clamp(28px, 5vw, 52px);
  }

  .cspk-control--xs {
    min-height: 34px;
    border-radius: 10px;
    padding: 7px 10px;
    font-size: 11px;
  }

  .cspk-control--small {
    min-height: 40px;
    padding: 9px 12px;
    font-size: 12px;
  }

  .cspk-control--large {
    min-height: 54px;
    border-radius: 16px;
    padding: 14px 16px;
    font-size: 16px;
  }

  .cspk-control--xl {
    min-height: 62px;
    border-radius: 19px;
    padding: 17px 19px;
    font-size: 18px;
  }

  .cspk-stat {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--cspk-border);
    border-radius: 18px;
    padding: 14px;
    background: var(--cspk-glass-subtle);
  }

  .cspk-stat__symbol {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    place-items: center;
    border-radius: 13px;
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-stat__content {
    display: grid;
    min-width: 0;
    gap: 2px;
  }

  .cspk-stat__label {
    color: var(--cspk-text-muted);
    font-size: 10px;
    font-weight: 760;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }

  .cspk-stat__value {
    font-size: 20px;
    letter-spacing: -0.04em;
  }

  .cspk-stat__change {
    color: var(--cspk-text-muted);
    font-size: 10px;
  }

  .cspk-stat__change--success {
    color: var(--cspk-success);
  }

  .cspk-stat__change--danger {
    color: var(--cspk-danger);
  }

  .cspk-overlay__panel {
    position: relative;
  }

  .cspk-dropdown__menu::before,
  .cspk-overlay__panel::after {
    position: absolute;
    z-index: -1;
    inset: 0;
    border-radius: inherit;
    background: rgb(255 255 255 / 7%);
    content: "";
    pointer-events: none;
  }

  .cspk-overlay__panel--compact {
    width: min(100%, 340px);
  }

  .cspk-overlay__panel--wide {
    width: min(100%, 880px);
  }

  .cspk-overlay__panel--full {
    width: min(1200px, 100%);
    height: min(88vh, 900px);
  }

  .cspk-app-rail__item.is-active {
    color: white;
    background: var(--cspk-accent);
    box-shadow: 0 9px 24px color-mix(in srgb, var(--cspk-accent) 28%, transparent);
  }

  .cspk-mobile-nav__item.is-active {
    color: white;
    background: var(--cspk-accent);
    box-shadow: 0 7px 20px color-mix(in srgb, var(--cspk-accent) 22%, transparent);
  }

  .cspk-product-shell {
    min-height: 100vh;
    color: var(--cspk-text);
  }

  .cspk-product-header {
    position: sticky;
    z-index: 80;
    top: 12px;
    display: grid;
    width: min(1500px, calc(100% - 24px));
    min-height: 66px;
    grid-template-columns: minmax(180px, 0.7fr) minmax(280px, 1.4fr) minmax(180px, 0.7fr);
    align-items: center;
    gap: 18px;
    margin: 12px auto 0;
    border-radius: 24px;
    padding: 9px 12px;
  }

  .cspk-product-brand {
    display: inline-flex;
    width: max-content;
    min-width: 0;
    align-items: center;
    gap: 10px;
    border: 0;
    color: var(--cspk-text);
    background: transparent;
    font: inherit;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
  }

  .cspk-product-brand__mark {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border-radius: 14px;
    color: white;
    background: var(--cspk-accent);
    box-shadow: 0 8px 22px rgb(20 124 229 / 24%);
    font-weight: 850;
  }

  .cspk-product-brand__copy {
    display: grid;
    min-width: 0;
    gap: 1px;
  }

  .cspk-product-brand__copy strong {
    overflow: hidden;
    font-size: 15px;
    letter-spacing: -0.03em;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .cspk-product-brand__copy small {
    overflow: hidden;
    color: var(--cspk-text-muted);
    font-size: 9px;
    letter-spacing: 0.08em;
    text-overflow: ellipsis;
    text-transform: uppercase;
    white-space: nowrap;
  }

  .cspk-product-search {
    position: relative;
    display: flex;
    width: min(100%, 620px);
    justify-self: center;
  }

  .cspk-product-search__symbol {
    position: absolute;
    top: 50%;
    left: 15px;
    color: var(--cspk-text-muted);
    font-size: 18px;
    transform: translateY(-52%);
    pointer-events: none;
  }

  .cspk-product-search input {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--cspk-border);
    border-radius: 999px;
    padding: 10px 16px 10px 42px;
    color: var(--cspk-text);
    background: var(--cspk-glass-subtle);
    outline: 0;
  }

  .cspk-product-search input:focus {
    border-color: var(--cspk-accent);
    background: var(--cspk-glass-strong);
    box-shadow: 0 0 0 4px var(--cspk-accent-soft);
  }

  .cspk-product-header__actions {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
  }

  .cspk-product-body {
    display: grid;
    width: min(1500px, calc(100% - 24px));
    grid-template-columns: 230px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    margin: 18px auto 0;
  }

  .cspk-product-sidebar {
    position: sticky;
    top: 96px;
    min-height: calc(100vh - 110px);
    border-radius: 26px;
    padding: 12px;
  }

  .cspk-product-nav {
    display: grid;
    gap: 5px;
  }

  .cspk-product-nav__item {
    position: relative;
    display: flex;
    width: 100%;
    min-width: 0;
    align-items: center;
    gap: 11px;
    border: 0;
    border-radius: 15px;
    color: var(--cspk-text-soft);
    background: transparent;
    font: inherit;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition:
      color var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease,
      transform var(--cspk-duration-fast) ease;
  }

  .cspk-product-nav__item--desktop {
    min-height: 47px;
    padding: 9px 11px;
  }

  .cspk-product-nav__item:hover {
    color: var(--cspk-text);
    background: var(--cspk-glass-subtle);
    transform: translateX(2px);
  }

  .cspk-product-nav__item.is-active {
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-product-nav__symbol {
    display: grid;
    width: 27px;
    height: 27px;
    flex: 0 0 27px;
    place-items: center;
    border-radius: 9px;
    font-size: 16px;
  }

  .cspk-product-nav__label {
    min-width: 0;
    flex: 1;
    overflow: hidden;
    font-size: 13px;
    font-weight: 720;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .cspk-product-sidebar__footer {
    position: absolute;
    right: 14px;
    bottom: 15px;
    left: 14px;
    color: var(--cspk-text-muted);
    font-size: 10px;
    line-height: 1.45;
  }

  .cspk-product-content {
    min-width: 0;
    padding: 8px 0 90px;
  }

  .cspk-product-mobile-nav {
    position: fixed;
    z-index: 90;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    left: 10px;
    display: none;
    min-height: 66px;
    align-items: center;
    justify-content: space-around;
    border-radius: 23px;
    padding: 6px;
  }

  .cspk-product-nav__item--mobile {
    width: auto;
    min-width: 58px;
    min-height: 52px;
    flex-direction: column;
    justify-content: center;
    gap: 1px;
    padding: 4px 8px;
    text-align: center;
  }

  .cspk-product-nav__item--mobile .cspk-product-nav__symbol {
    height: 23px;
    font-size: 16px;
  }

  .cspk-product-nav__item--mobile .cspk-product-nav__label {
    flex: 0 0 auto;
    font-size: 9px;
  }

  .cspk-product-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 24px;
  }

  .cspk-product-hero h1 {
    margin: 4px 0 0;
    font-size: clamp(34px, 5vw, 58px);
    line-height: 1;
    letter-spacing: -0.065em;
  }

  .cspk-product-hero p {
    max-width: 520px;
    margin: 10px 0 0;
    color: var(--cspk-text-soft);
    font-size: 13px;
    line-height: 1.55;
  }

  .cspk-product-eyebrow {
    color: var(--cspk-accent);
    font-size: 10px;
    font-weight: 820;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .cspk-product-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 18px 0;
  }

  .cspk-chip-row {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding: 3px;
    scrollbar-width: none;
  }

  .cspk-chip-row::-webkit-scrollbar {
    display: none;
  }

  .cspk-chip {
    min-height: 34px;
    flex: 0 0 auto;
    border: 1px solid var(--cspk-border);
    border-radius: 999px;
    padding: 7px 13px;
    color: var(--cspk-text-soft);
    background: var(--cspk-glass-subtle);
    font: inherit;
    font-size: 11px;
    font-weight: 720;
    cursor: pointer;
  }

  .cspk-chip:hover {
    border-color: var(--cspk-border-strong);
    color: var(--cspk-text);
    background: var(--cspk-hover);
  }

  .cspk-chip.is-selected {
    color: white;
    background: var(--cspk-accent);
  }

  .cspk-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: 20px 16px;
  }

  .cspk-media-card {
    display: grid;
    min-width: 0;
    gap: 11px;
    border: 0;
    border-radius: 20px;
    padding: 0;
    color: var(--cspk-text);
    background: transparent;
    font: inherit;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: transform var(--cspk-duration) var(--cspk-ease);
  }

  .cspk-media-card:hover {
    transform: translateY(-4px);
  }

  .cspk-media-card__preview {
    position: relative;
    display: grid;
    aspect-ratio: 16 / 9;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--cspk-border);
    border-radius: 20px;
    background: color-mix(in srgb, var(--cspk-text) 78%, var(--cspk-accent));
    box-shadow: var(--cspk-shadow-sm);
  }

  .cspk-media-card__preview .cspk-badge {
    position: absolute;
    right: 8px;
    bottom: 8px;
    color: white;
    background: rgb(6 11 18 / 62%);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .cspk-media-card__art {
    color: rgb(255 255 255 / 92%);
    font-size: clamp(26px, 5vw, 48px);
    text-shadow: 0 8px 22px rgb(0 0 0 / 24%);
    transition: transform var(--cspk-duration) var(--cspk-ease);
  }

  .cspk-media-card:hover .cspk-media-card__art {
    transform: scale(1.12);
  }

  .cspk-media-card__progress {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 4px;
    background:
      linear-gradient(to right, var(--cspk-accent) var(--value), rgb(255 255 255 / 24%) var(--value));
  }

  .cspk-media-card__details {
    display: flex;
    min-width: 0;
    align-items: flex-start;
    gap: 10px;
    padding: 0 3px;
  }

  .cspk-media-card__copy {
    display: grid;
    min-width: 0;
    gap: 5px;
  }

  .cspk-media-card__title {
    display: -webkit-box;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.4;
    letter-spacing: -0.025em;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .cspk-media-card__meta {
    overflow: hidden;
    color: var(--cspk-text-muted);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .cspk-auth {
    display: grid;
    gap: 18px;
  }

  .cspk-auth__modes {
    display: flex;
  }

  .cspk-auth__modes button {
    flex: 1;
  }

  .cspk-auth__form {
    display: grid;
    gap: 14px;
  }

  .cspk-auth__divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--cspk-text-muted);
    font-size: 10px;
    text-transform: uppercase;
  }

  .cspk-auth__divider::before,
  .cspk-auth__divider::after {
    height: 1px;
    flex: 1;
    background: var(--cspk-border);
    content: "";
  }

  .cspk-feed-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    align-items: start;
    gap: 18px;
  }

  .cspk-feed-main,
  .cspk-feed-aside {
    display: grid;
    gap: 16px;
  }

  .cspk-feed-aside {
    position: sticky;
    top: 100px;
  }

  .cspk-composer {
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 24px;
    padding: 14px;
  }

  .cspk-composer__prompt {
    min-height: 42px;
    min-width: 0;
    flex: 1;
    border: 1px solid var(--cspk-border);
    border-radius: 999px;
    padding: 10px 15px;
    color: var(--cspk-text-muted);
    background: var(--cspk-glass-subtle);
    font: inherit;
    font-size: 12px;
    text-align: left;
    cursor: text;
  }

  .cspk-post {
    display: grid;
    gap: 14px;
    border-radius: 24px;
  }

  .cspk-post__header {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 11px;
  }

  .cspk-post__identity {
    display: grid;
    min-width: 0;
    flex: 1;
    gap: 2px;
  }

  .cspk-post__identity strong {
    font-size: 13px;
  }

  .cspk-post__identity small {
    color: var(--cspk-text-muted);
    font-size: 10px;
  }

  .cspk-post__content {
    margin: 0;
    color: var(--cspk-text-soft);
    font-size: 13px;
    line-height: 1.65;
    white-space: pre-line;
  }

  .cspk-post__media {
    display: grid;
    aspect-ratio: 16 / 9;
    place-items: center;
    overflow: hidden;
    border-radius: 19px;
    background: color-mix(in srgb, var(--cspk-text) 78%, var(--cspk-accent));
  }

  .cspk-post__media span {
    color: rgb(255 255 255 / 88%);
    font-size: clamp(34px, 8vw, 76px);
    text-shadow: 0 10px 28px rgb(0 0 0 / 25%);
  }

  .cspk-post__stats {
    display: flex;
    justify-content: space-between;
    color: var(--cspk-text-muted);
    font-size: 10px;
  }

  .cspk-post__actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--cspk-border);
    padding-top: 8px;
  }

  .cspk-post__actions .cspk-button {
    width: 100%;
  }

  .cspk-post__actions .cspk-button.is-selected {
    color: var(--cspk-danger);
    background: var(--cspk-danger-soft);
  }

  .cspk-question {
    display: grid;
    gap: 22px;
    border-radius: 28px;
  }

  .cspk-question__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
  }

  .cspk-question__category {
    color: var(--cspk-text-muted);
    font-size: 11px;
  }

  .cspk-question__prompt {
    max-width: 850px;
    margin: 0;
    font-size: clamp(19px, 3vw, 28px);
    line-height: 1.42;
    letter-spacing: -0.035em;
  }

  .cspk-question__choices {
    display: grid;
    gap: 10px;
  }

  .cspk-question__choice {
    display: flex;
    width: 100%;
    min-height: 56px;
    align-items: center;
    gap: 13px;
    border: 1px solid var(--cspk-border);
    border-radius: 17px;
    padding: 11px 13px;
    color: var(--cspk-text);
    background: var(--cspk-glass-subtle);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition:
      border-color var(--cspk-duration-fast) ease,
      background var(--cspk-duration-fast) ease,
      transform var(--cspk-duration-fast) ease;
  }

  .cspk-question__choice:hover {
    border-color: var(--cspk-border-strong);
    background: var(--cspk-hover);
    transform: translateX(2px);
  }

  .cspk-question__choice.is-selected {
    border-color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--cspk-accent) 12%, transparent);
  }

  .cspk-question__choice-number {
    display: grid;
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    place-items: center;
    border-radius: 11px;
    color: var(--cspk-text-soft);
    background: var(--cspk-glass-strong);
    font-size: 12px;
    font-weight: 800;
  }

  .cspk-question__choice.is-selected .cspk-question__choice-number {
    color: white;
    background: var(--cspk-accent);
  }

  .cspk-question__choice-label {
    font-size: 13px;
    line-height: 1.5;
  }

  .cspk-exam-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
    gap: 18px;
  }

  .cspk-exam-main {
    display: grid;
    gap: 16px;
  }

  .cspk-exam-aside {
    position: sticky;
    top: 100px;
    border-radius: 24px;
  }

  .cspk-question-map {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 7px;
  }

  .cspk-question-map button {
    aspect-ratio: 1;
    border: 1px solid var(--cspk-border);
    border-radius: 11px;
    color: var(--cspk-text-soft);
    background: var(--cspk-glass-subtle);
    font-size: 11px;
    font-weight: 750;
    cursor: pointer;
  }

  .cspk-question-map button.is-current {
    border-color: var(--cspk-accent);
    color: white;
    background: var(--cspk-accent);
  }

  .cspk-question-map button.is-answered {
    color: var(--cspk-accent);
    background: var(--cspk-accent-soft);
  }

  .cspk-question-map button.is-marked::after {
    content: "•";
    color: var(--cspk-warning);
  }

  .cspk-player {
    display: grid;
    gap: 16px;
  }

  .cspk-player__stage {
    position: relative;
    display: grid;
    aspect-ratio: 16 / 9;
    place-items: center;
    overflow: hidden;
    border-radius: 22px;
    color: white;
    background: #111114;
  }

  .cspk-player__play {
    display: grid;
    width: 72px;
    height: 72px;
    place-items: center;
    border: 1px solid rgb(255 255 255 / 38%);
    border-radius: 50%;
    color: white;
    background: rgb(255 255 255 / 14%);
    font-size: 28px;
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    cursor: pointer;
  }

  .cspk-player__meta h3 {
    margin: 0;
    color: var(--cspk-text);
    font-size: 20px;
    letter-spacing: -0.035em;
  }

  .cspk-player__meta p {
    margin: 7px 0 0;
    color: var(--cspk-text-muted);
    font-size: 11px;
  }

  @keyframes cspk-press-pulse {
    to {
      opacity: 0;
      transform: translate(-50%, -50%) scale(1);
    }
  }
}

@media (max-width: 980px) {
  .cspk-product-header {
    grid-template-columns: minmax(160px, 0.7fr) minmax(220px, 1.3fr) auto;
  }

  .cspk-product-body {
    grid-template-columns: 82px minmax(0, 1fr);
  }

  .cspk-product-sidebar {
    padding: 10px;
  }

  .cspk-product-nav__item--desktop {
    justify-content: center;
    padding: 8px;
  }

  .cspk-product-nav__item--desktop .cspk-product-nav__label,
  .cspk-product-nav__item--desktop .cspk-badge,
  .cspk-product-sidebar__footer {
    display: none;
  }

  .cspk-feed-layout,
  .cspk-exam-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .cspk-feed-aside,
  .cspk-exam-aside {
    position: static;
  }
}

@media (max-width: 680px) {
  .cspk-button--adaptive {
    width: 100%;
  }

  .cspk-product-header {
    top: 8px;
    width: calc(100% - 16px);
    min-height: 58px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    margin-top: 8px;
    border-radius: 21px;
    padding: 8px;
  }

  .cspk-product-brand__mark {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
    border-radius: 13px;
  }

  .cspk-product-brand__copy small,
  .cspk-product-search {
    display: none;
  }

  .cspk-product-header__actions .cspk-button__label {
    display: none;
  }

  .cspk-product-header__actions .cspk-button {
    width: 40px;
    min-height: 40px;
    padding: 0;
  }

  .cspk-product-body {
    width: calc(100% - 20px);
    grid-template-columns: minmax(0, 1fr);
    margin-top: 12px;
  }

  .cspk-product-sidebar {
    display: none;
  }

  .cspk-product-content {
    padding: 4px 0 94px;
  }

  .cspk-product-mobile-nav {
    display: flex;
  }

  .cspk-product-hero {
    display: block;
    margin-bottom: 18px;
  }

  .cspk-product-hero h1 {
    font-size: 38px;
  }

  .cspk-product-hero > .cspk-cluster {
    margin-top: 14px;
  }

  .cspk-media-grid {
    grid-template-columns: 1fr;
  }

  .cspk-media-card__preview {
    border-radius: 17px;
  }

  .cspk-feed-layout,
  .cspk-exam-layout {
    display: block;
  }

  .cspk-feed-aside,
  .cspk-exam-aside {
    display: none;
  }

  .cspk-post {
    border-radius: 22px;
  }

  .cspk-question {
    border-radius: 22px;
    padding: 18px;
  }

  .cspk-question__prompt {
    font-size: 19px;
  }

  .cspk-question__choice {
    min-height: 54px;
  }

  .cspk-overlay--popup {
    align-items: end;
  }

  .cspk-overlay__panel--popup {
    border-radius: 28px;
  }

  .cspk-overlay__panel--popup .cspk-overlay__motion {
    transform: translate3d(0, 24px, 0);
  }

  .cspk-overlay.is-visible
    .cspk-overlay__panel--popup
    .cspk-overlay__motion {
    transform: translate3d(0, 0, 0);
  }
}