:root {
  --base-50: #f8f7f4;
  --base-100: #f3f2ee;
  --base-200: #e7e5e1;
  --base-300: #d6d3d1;
  --base-500: #78716c;
  --base-600: #57534e;
  --base-700: #44403c;
  --base-800: #292524;
  --surface: #ffffff;
  --surface-muted: #fefdfc;
  --border: rgba(68, 64, 60, 0.14);
  --border-strong: rgba(68, 64, 60, 0.28);
  --primary-300: #c4b5fd;
  --primary-500: #8b5cf6;
  --primary-600: #7c3aed;
  --primary-700: #6d28d9;
  --accent: rgba(139, 92, 246, 0.08);
  --accent-strong: rgba(139, 92, 246, 0.16);
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  --shadow-soft: 0 18px 40px rgba(15, 23, 42, 0.08);
  --focus: #7c3aed;
}

html.dark {
  --base-50: #0f1115;
  --base-100: #141824;
  --base-200: #1b2334;
  --base-300: #232a3d;
  --base-500: #94a3b8;
  --base-600: #8592a6;
  --base-700: #d1d5db;
  --base-800: #e2e8f0;
  --surface: #141824;
  --surface-muted: rgba(20, 24, 36, 0.75);
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.32);
  --primary-300: #c4b5fd;
  --primary-500: #a98bff;
  --primary-600: #8f5bff;
  --primary-700: #a855f7;
  --accent: rgba(124, 58, 237, 0.18);
  --accent-strong: rgba(124, 58, 237, 0.28);
  --shadow: 0 30px 80px rgba(2, 6, 23, 0.55);
  --shadow-soft: 0 22px 60px rgba(2, 6, 23, 0.35);
  --focus: #c4b5fd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--base-50);
  color: var(--base-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: "Syne", "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--base-800);
  margin-top: 0;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  white-space: nowrap;
}

.shell {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.75));
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

html.dark .site-header {
  background: linear-gradient(180deg, rgba(20, 24, 36, 0.9), rgba(20, 24, 36, 0.75));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  font-size: 1.125rem;
  color: var(--base-800);
}

.brand span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--base-700);
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--base-800);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface);
  color: var(--base-700);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--base-800);
}

.theme-toggle__icon {
  font-size: 0.95rem;
}

.theme-toggle__label {
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--base-700);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover:enabled {
  border-color: var(--border-strong);
  color: var(--base-800);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-dark {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-soft);
}

.btn-dark:hover:enabled {
  transform: translateY(-2px);
  box-shadow: 0 24px 50px rgba(124, 58, 237, 0.3);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.35);
  color: #b91c1c;
}

.link-button {
  background: none;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-600);
  cursor: pointer;
  padding: 0;
  transition: color 0.2s ease;
}

.link-button:hover {
  color: var(--primary-700);
}

.app-main {
  background: var(--base-50);
  color: var(--base-700);
  padding: 3.5rem 0 4.5rem;
}

html.dark .app-main {
  background: var(--base-100);
}

.workspace {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
  outline: none;
}

.workspace-hero {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.12), rgba(248, 247, 244, 0));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}

html.dark .workspace-hero {
  background: linear-gradient(180deg, rgba(124, 58, 237, 0.18), rgba(15, 17, 21, 0));
}

.workspace-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: var(--accent);
  border: 1px solid var(--accent-strong);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--base-600);
}

.workspace-lead {
  max-width: 560px;
  font-size: 1.1rem;
  color: var(--base-600);
}

html.dark .workspace-lead {
  color: rgba(226, 232, 240, 0.85);
}

.workspace-hero__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.25rem;
  min-width: 260px;
  margin: 0;
}

.workspace-hero__metrics dt {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--base-500);
}

.workspace-hero__metrics dd {
  margin: 0.35rem 0 0;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--base-800);
}

html.dark .workspace-hero__metrics dd {
  color: #f8fafc;
}

.workspace-drop {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.workspace-card {
  background: var(--surface);
  border-radius: 24px;
  border: 1px solid var(--border);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

html.dark .workspace-card {
  background: rgba(20, 24, 36, 0.78);
}

.workspace-card--accent {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(236, 72, 153, 0.08));
  border: 1px solid rgba(124, 58, 237, 0.25);
}

html.dark .workspace-card--accent {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.22), rgba(236, 72, 153, 0.16));
}

.workspace-card__header {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.workspace-card__header--inline {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.workspace-card__header--compact {
  margin-bottom: 1rem;
}

.workspace-card__subtitle {
  margin: 0;
  font-size: 0.95rem;
  color: var(--base-500);
}

html.dark .workspace-card__subtitle {
  color: rgba(203, 213, 225, 0.75);
}

.workspace-message {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.24);
  font-weight: 500;
  color: var(--base-700);
}

html.dark .workspace-message {
  background: rgba(124, 58, 237, 0.18);
  color: rgba(226, 232, 240, 0.9);
}

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

.workspace-column {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.workspace-help {
  display: flex;
}

.workspace-help__list {
  margin: 0;
  padding-left: 1.5rem;
  display: grid;
  gap: 0.75rem;
  color: var(--base-600);
}

html.dark .workspace-help__list {
  color: rgba(203, 213, 225, 0.78);
}

.drop-wrap {
  border: 1px dashed var(--border-strong);
  background: var(--surface-muted);
  border-radius: 22px;
  padding: 2.5rem;
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.drop-wrap p {
  margin: 0;
  font-weight: 600;
  color: var(--base-600);
}

.drop-wrap.is-hover {
  border-color: var(--primary-600);
  background: rgba(124, 58, 237, 0.08);
  transform: translateY(-2px);
}

.drop-wrap .btn {
  padding: 0.85rem 1.5rem;
}

input,
select,
textarea {
  width: 100%;
  background: var(--surface-muted);
  color: var(--base-700);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

fieldset {
  border: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.row {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  align-items: center;
}

.hint {
  font-size: 0.85rem;
  color: var(--base-500);
  grid-column: 1 / -1;
  text-align: center;
}

.toast-wrap {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 40;
}

.toast {
  padding: 0.75rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--base-700);
  box-shadow: var(--shadow-soft);
}

.toast.warn {
  border-color: rgba(245, 158, 11, 0.45);
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.45);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal {
  background: var(--surface);
  color: var(--base-700);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 18px;
  min-width: 280px;
  max-width: min(90vw, 420px);
  box-shadow: var(--shadow);
}

.modal h2 {
  margin-bottom: 1rem;
}

.modal ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--base-600);
}

kbd {
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  padding: 0.1rem 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--surface-muted);
  color: var(--base-700);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 0.05rem 0.25rem;
  border-radius: 0.35rem;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--base-700);
}

#blazor-error-ui {
  display: none;
  background: #f8d7da;
  color: #842029;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  border-top: 1px solid #f5c2c7;
  z-index: 200;
}

#blazor-error-ui .dismiss {
  cursor: pointer;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2.5rem 0 3rem;
}

html.dark .site-footer {
  background: rgba(20, 24, 36, 0.82);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-size: 0.95rem;
  color: var(--base-500);
}

html.dark .footer-links {
  color: rgba(203, 213, 225, 0.75);
}

.footer-note {
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: var(--base-500);
}

html.dark .footer-note {
  color: rgba(148, 163, 184, 0.75);
}

@media (max-width: 1024px) {
  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .action-bar {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .action-bar__status {
    align-items: flex-start;
    text-align: left;
  }

  .action-bar__meter {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .workspace {
    padding-bottom: calc(8rem + env(safe-area-inset-bottom));
  }

  body.run-panel-locked {
    overflow: hidden;
    touch-action: none;
    overscroll-behavior: none;
  }

  .run-panel.is-drawer {
    --run-panel-handle-visible: 3.25rem;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto;
    margin: 0 auto;
    max-width: 100%;
    max-height: calc(100dvh - (var(--site-header-height, 56px) + 1.5rem));
    border-radius: 1.5rem 1.5rem 0 0;
    padding: 1.25rem 1.25rem calc(1.75rem + env(safe-area-inset-bottom));
    box-shadow: 0 -20px 45px rgba(15, 23, 42, 0.18);
    transform: translateY(calc(100% - var(--run-panel-handle-visible)));
    transition: transform 260ms ease, box-shadow 260ms ease;
    z-index: 38;
    gap: 1rem;
  }

  .run-panel.is-drawer.is-open {
    transform: translateY(0);
  }

  .run-panel.is-drawer.is-collapsed {
    opacity: 1;
  }

  .run-panel__header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .run-panel__header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .run-panel__handle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.55rem 1.2rem;
    min-height: 2.75rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface-muted);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
  }

  .run-panel__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface-muted);
    font-size: 1.5rem;
    font-weight: 400;
  }

  .run-panel__meta {
    font-size: 0.9rem;
  }

  .run-panel__sections {
    flex: 1 1 auto;
    max-height: none;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 0.3rem;
    padding-bottom: env(safe-area-inset-bottom);
  }

  .run-panel__scrim {
    display: block;
    opacity: 1;
    pointer-events: auto;
    backdrop-filter: blur(4px);
  }

  .action-bar {
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .run-panel.is-drawer {
    transition-duration: 0ms;
  }

  .run-panel__scrim {
    transition-duration: 0ms;
  }
}



@media (max-width: 900px) {
  .shell {
    width: calc(100% - 2rem);
  }

  .site-header {
    position: static;
  }

  .site-nav {
    display: none;
  }

  .app-main {
    padding-top: 2.5rem;
  }

  .workspace {
    width: calc(100% - 2rem);
  }

  .workspace-hero {
    padding: 2.25rem;
  }

  .workspace-card {
    padding: 1.75rem;
  }

  .workspace-card__header--inline {
    flex-direction: column;
    align-items: flex-start;
  }

  .controls {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .toast-wrap {
    left: 1rem;
    right: 1rem;
    align-items: stretch;
  }
}
.toggle {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    cursor: pointer;
    user-select: none;
    font-weight: 500;
    color: inherit;
  }

  .toggle__input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .toggle__track {
    position: relative;
    display: inline-flex;
    align-items: center;
    width: 46px;
    height: 26px;
    border-radius: 9999px;
    background: var(--border-strong);
    transition: background-color 160ms ease, box-shadow 160ms ease;
    flex-shrink: 0;
  }

  .toggle__thumb {
    position: relative;
    width: 22px;
    height: 22px;
    border-radius: 9999px;
    background: #ffffff;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.22);
    transform: translateX(2px);
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
  }

  .toggle__input:checked + .toggle__track {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  }

  .toggle__input:checked + .toggle__track .toggle__thumb {
    transform: translateX(22px);
    box-shadow: 0 6px 16px rgba(79, 70, 229, 0.35);
  }

  .toggle__input:focus-visible + .toggle__track {
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.35);
  }

  .toggle__label {
    font-weight: 500;
    line-height: 1.2;
  }

  .toggle:hover .toggle__track {
    box-shadow: 0 0 0 1px rgba(124, 58, 237, 0.14);
  }

  .toggle__input:disabled + .toggle__track {
    background: var(--border);
    box-shadow: none;
    cursor: not-allowed;
  }

  .toggle__input:disabled + .toggle__track .toggle__thumb {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: none;
  }

  .toggle__input:disabled ~ .toggle__label {
    color: var(--base-500);
  }

  .toggle__input:disabled ~ .toggle__label,
  .toggle__input:disabled + .toggle__track {
    cursor: not-allowed;
    opacity: 0.7;
  }

  @media (prefers-reduced-motion: reduce) {
    .toggle__track,
    .toggle__thumb {
      transition-duration: 0ms;
    }
  }

  html.dark .toggle__track {
    background: rgba(148, 163, 184, 0.3);
  }

  html.dark .toggle__input:disabled + .toggle__track {
    background: rgba(148, 163, 184, 0.18);
  }

  html.dark .toggle__input:disabled + .toggle__track .toggle__thumb {
    background: rgba(226, 232, 240, 0.9);
  }
.range-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.range-field > label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.range-field__value {
  font-size: 0.85rem;
  color: var(--base-500);
}

.range-field input[type="range"] {
  width: 100%;
  accent-color: var(--primary-600);
}

.wm-mode {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.wm-mode__label {
  font-weight: 600;
  min-width: 72px;
}

.wm-mode__option {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.wm-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-radius: 0.45rem;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.wm-file .link-button {
  font-size: 0.85rem;
}

.wm-nested {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.wm-nested[aria-disabled="true"] {
  opacity: 0.6;
}

.hint--warning {
  color: var(--primary-600);
}

html.dark .hint--warning {
  color: var(--primary-300);
}

.wm-advanced {
  margin-top: 0.75rem;
}

.wm-advanced > summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary-600);
  list-style: none;
}

.wm-advanced > summary::marker,
.wm-advanced > summary::-webkit-details-marker {
  display: none;
}

html.dark .wm-advanced > summary {
  color: var(--primary-300);
}

.wm-advanced[open] > summary {
  margin-bottom: 0.5rem;
}
.progress-ribbon {
  position: sticky;
  top: calc(var(--site-header-height, 64px));
  z-index: 32;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

html.dark .progress-ribbon {
  background: rgba(20, 24, 36, 0.82);
}

.progress-ribbon__track {
  flex: 1;
  height: 4px;
  border-radius: 9999px;
  background: var(--border);
  overflow: hidden;
  position: relative;
}

.progress-ribbon__bar {
  height: 100%;
  width: calc(var(--progress, 0) * 100%);
  background: var(--primary-600);
  border-radius: inherit;
  transition: width 160ms ease;
}

html.dark .progress-ribbon__bar {
  background: var(--primary-300);
}

.progress-ribbon__label {
  font-size: 0.85rem;
  color: var(--base-500);
}

.option-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 1.5rem 0 1rem;
}

.option-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: inherit;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.option-chip:hover {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.14);
}

.option-chip[aria-pressed="true"] {
  border-color: var(--primary-600);
  background: var(--accent);
}

html.dark .option-chip {
  background: rgba(15, 23, 42, 0.58);
}

html.dark .option-chip:hover {
  border-color: var(--primary-300);
}

.option-chip__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--base-500);
}

.option-chip__value {
  font-weight: 600;
}

.workspace-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  gap: 2rem;
  align-items: start;
}

.workspace {
  padding-bottom: 6.5rem;
}

.run-panel {
  position: sticky;
  top: calc(var(--site-header-height, 64px) + 56px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-height: calc(100vh - (var(--site-header-height, 64px) + 96px));
  align-self: start;
}

.run-panel.is-collapsed {
  opacity: 0.45;
}

.run-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.run-panel__header-row {
  display: none;
}

.run-panel__handle {
  display: none;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  font-weight: 600;
  cursor: pointer;
}

.run-panel__close {
  display: none;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-muted);
  color: inherit;
  cursor: pointer;
  padding: 0.35rem;
  line-height: 1;
}

.run-panel__meta {
  font-size: 0.85rem;
  color: var(--base-500);
}

.run-panel__sections {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-right: 0.25rem;
}

.run-panel__sections::-webkit-scrollbar {
  width: 6px;
}

.run-panel__sections::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 999px;
}

.run-panel__scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.32);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 37;
}

body.run-panel-locked {
  overflow: hidden;
}

.run-section {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow-y: scroll;
  background: var(--surface-muted);
}

.run-section__header {
  background: rgba(124, 58, 237, 0.06);
}

.run-section__toggle {
  width: 100%;
  border: none;
  background: none;
  text-align: left;
  font-weight: 600;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  cursor: pointer;
}

.run-section__summary {
  font-size: 0.8rem;
  color: var(--base-500);
}

.run-section__body {
  padding: 1rem;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

html.dark .run-section__body {
  background: rgba(15, 23, 42, 0.72);
}

.run-queue__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.run-queue {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.run-queue__item {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: var(--surface);
  cursor: grab;
}

html.dark .run-queue__item {
  background: rgba(15, 23, 42, 0.68);
}

.run-queue__item[data-selected="True"] {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.18);
}

.run-queue__drag {
  font-size: 0.9rem;
  color: var(--base-500);
}

.run-queue__meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.run-queue__name {
  font-weight: 600;
}

.run-queue__size {
  font-size: 0.8rem;
  color: var(--base-500);
}

.run-queue__remove {
  border: none;
  background: none;
  color: var(--base-500);
  font-size: 1.1rem;
  cursor: pointer;
}

.run-queue__remove:hover {
  color: var(--primary-600);
}

.run-log {
  max-height: 240px;
  overflow-y: auto;
  font-size: 0.9rem;
}

.run-log ol {
  margin: 0;
  padding-left: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.run-log li {
  color: var(--base-600);
}

.run-downloads__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.run-downloads__totals {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin: 0.5rem 0;
}

.run-downloads__totals dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--base-500);
}

.run-downloads__totals dd {
  margin: 0;
  font-weight: 600;
}

.run-downloads__files summary {
  cursor: pointer;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.run-downloads__files ul {
  margin: 0;
  padding-left: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
}

.action-bar {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 48;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
}

html.dark .action-bar {
  background: rgba(15, 19, 30, 0.88);
}

.action-bar__start,
.action-bar__actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.action-bar__status {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--base-500);
}

.action-bar__meter {
  width: 200px;
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}

.action-bar__meter-bar {
  width: calc(var(--progress, 0) * 100%);
  height: 100%;
  background: var(--primary-600);
  transition: width 160ms ease;
}

html.dark .action-bar__meter-bar {
  background: var(--primary-300);
}

.action-bar__hints {
  font-size: 0.75rem;
  color: var(--base-500);
  text-align: right;
}

@media (max-width: 1024px) {
  .workspace-layout {
    grid-template-columns: 1fr;
  }

  .run-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    max-height: 70vh;
    border-radius: 1.2rem 1.2rem 0 0;
    transform: translateY(100%);
    transition: transform 220ms ease;
    padding: 1.5rem 1.25rem 1.8rem;
    box-shadow: 0 -18px 40px rgba(15, 23, 42, 0.16);
  }

  .run-panel.is-open {
    transform: translateY(0);
  }

  .run-panel__handle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .run-panel__sections {
    max-height: calc(70vh - 120px);
  }

  .action-bar {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .action-bar__status {
    align-items: flex-start;
    text-align: left;
  }

  .action-bar__meter {
    width: 100%;
  }
}
.opt-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.opt-accordion__item {
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  overflow: hidden;
  transition: box-shadow 160ms ease, border-color 160ms ease;
}

html.dark .opt-accordion__item {
  background: rgba(15, 23, 42, 0.64);
}

.opt-accordion__item.is-open {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.14);
}

.opt-accordion__trigger {
  width: 100%;
  border: none;
  background: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  font-weight: 600;
  cursor: pointer;
}

.opt-accordion__summary {
  font-size: 0.8rem;
  color: var(--base-500);
  text-align: right;
}

.opt-accordion__label{
  font-size: 1rem;
  color: var(--base-500);
}
.opt-accordion__panel {
  padding: 0 1rem 1.25rem;
}

.run-downloads__status {
  margin-top: 0.5rem;
  min-height: 1.25rem;
  font-size: 0.85rem;
  color: var(--base-500);
}

.btn__spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  margin-left: 0.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  opacity: 0.7;
  animation: btn-spin 0.6s linear infinite;
}

@keyframes btn-spin {
  to {
    transform: rotate(360deg);
  }
}