:root {
  color-scheme: light;
  --bg: #eef1f3;
  --text: #172127;
  --muted: #5b6870;
  --line: #cfd7dc;
  --line-strong: #aebbc2;
  --panel: #ffffff;
  --panel-soft: #f7f9fa;
  --panel-alt: #edf5f1;
  --accent: #b52b30;
  --accent-dark: #8d1e23;
  --focus: #096b80;
  --danger: #a31820;
  --shadow: 0 10px 30px rgba(24, 36, 48, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid transparent;
  border-radius: 7px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-weight: 750;
  min-height: 42px;
  padding: 0 17px;
}

button:hover {
  background: var(--accent-dark);
}

button:disabled {
  background: #b9c2c8;
  border-color: #b9c2c8;
  color: #ffffff;
  cursor: not-allowed;
}

.button-secondary {
  background: #ffffff;
  border-color: var(--line-strong);
  color: var(--text);
}

.button-secondary:hover {
  background: #edf3f5;
  border-color: var(--focus);
  color: var(--focus);
}

.button-danger {
  background: #ffffff;
  border-color: #d7a7aa;
  color: var(--danger);
}

.button-danger:hover {
  background: #fff0f1;
  border-color: var(--danger);
  color: var(--danger);
}

label {
  color: var(--muted);
  display: grid;
  font-size: 0.88rem;
  font-weight: 700;
  gap: 7px;
}

input,
select {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--text);
  min-height: 42px;
  outline: none;
  padding: 9px 11px;
  width: 100%;
}

input:focus,
select:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(9, 107, 128, 0.14);
}

.app-shell {
  margin: 0 auto;
  max-width: 1380px;
  padding: 28px 24px 56px;
}

.app-header {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 22px;
}

.brand-lockup {
  align-items: center;
  display: flex;
  gap: 16px;
  min-width: 0;
}

.brand-mark {
  border: 1px solid var(--line);
  border-radius: 8px;
  flex: 0 0 auto;
  height: 72px;
  object-fit: cover;
  width: 72px;
}

.app-header h1,
.section-heading h2 {
  letter-spacing: 0;
  line-height: 1.1;
  margin: 0;
}

.app-header h1 {
  font-size: 2.35rem;
}

.app-intro {
  color: var(--muted);
  margin: 7px 0 0;
}

.eyebrow {
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 4px;
  text-transform: uppercase;
}

.source-pill {
  background: var(--panel-alt);
  border: 1px solid #ccdbd2;
  border-radius: 999px;
  color: #244534;
  flex: 0 0 auto;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 8px 13px;
  white-space: nowrap;
}

.app-header-actions {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
  gap: 10px;
}

.settings-link {
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--text);
  display: inline-flex;
  font-weight: 750;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  text-decoration: none;
  white-space: nowrap;
}

.settings-link:hover,
.settings-link:focus-visible {
  background: #edf3f5;
  border-color: var(--focus);
  color: var(--focus);
}

.settings-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(9, 107, 128, 0.14);
  outline: none;
}

.agent-warning {
  align-items: center;
  background: #fff0f1;
  border: 1px solid #d58b90;
  border-left: 5px solid var(--danger);
  border-radius: 8px;
  color: var(--danger);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin: 0 0 18px;
  padding: 13px 15px;
}

.agent-warning[hidden] {
  display: none;
}

.agent-warning div {
  display: grid;
  gap: 2px;
}

.agent-warning strong {
  font-size: 0.96rem;
}

.agent-warning a {
  color: var(--danger);
  flex: 0 0 auto;
  font-weight: 800;
}

.workflow-section,
.context-bar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.workflow-section {
  padding: 22px;
}

.section-heading,
.section-heading-main {
  align-items: center;
  display: flex;
  gap: 12px;
}

.section-heading {
  margin-bottom: 18px;
}

.section-heading-row {
  justify-content: space-between;
}

.section-heading h2 {
  font-size: 1.35rem;
}

.step-number {
  align-items: center;
  background: var(--text);
  border-radius: 50%;
  color: #ffffff;
  display: inline-flex;
  flex: 0 0 32px;
  font-size: 0.9rem;
  font-weight: 850;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.toolbar {
  display: grid;
  gap: 14px;
  grid-template-columns: 0.72fr 1.12fr 1.56fr;
}

.input-row {
  display: grid;
  gap: 9px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.series-picker {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
}

.status {
  color: var(--muted);
  font-size: 0.93rem;
  min-height: 22px;
  padding-top: 12px;
}

.status.is-error {
  color: var(--accent-dark);
  font-weight: 700;
}

.context-bar {
  align-items: center;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(180px, 0.65fr) minmax(260px, 1.35fr) auto;
  margin: 16px 0;
  padding: 12px 14px;
  position: sticky;
  top: 10px;
  z-index: 10;
}

.context-bar.is-empty {
  display: none;
}

.context-selection {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.context-selection strong,
.context-selection span,
#current-filename {
  overflow-wrap: anywhere;
}

.context-selection span {
  color: var(--muted);
  font-size: 0.84rem;
}

#current-filename {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  display: block;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.88rem;
  padding: 9px 10px;
}

.context-actions {
  justify-content: flex-end;
}

.workspace {
  display: grid;
  gap: 16px;
}

.workspace.is-empty {
  display: none;
}

.naming-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 0.75fr 1.25fr 0.75fr 0.75fr;
}

.template-field {
  grid-column: 1 / -1;
}

.panel-count {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}

.episode-table {
  border: 1px solid var(--line);
  border-radius: 8px;
}

.episode-table-head,
.episode-row {
  align-items: center;
  display: grid;
  gap: 12px;
  grid-template-columns: 88px minmax(170px, 0.9fr) minmax(280px, 1.6fr) 104px;
}

.episode-table-head {
  background: #edf2f4;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 10px 12px;
  text-transform: uppercase;
}

.episode-list {
  display: grid;
}

.episode-row {
  border-bottom: 1px solid var(--line);
  min-height: 58px;
  padding: 9px 12px;
}

.episode-row:last-child {
  border-bottom: 0;
}

.episode-row:hover,
.episode-row.is-selected {
  background: #f1f7f7;
}

.episode-row.is-selected {
  box-shadow: inset 3px 0 0 var(--focus);
}

.episode-select-button {
  background: transparent;
  border: 0;
  color: var(--focus);
  min-height: 36px;
  padding: 0;
  text-align: left;
}

.episode-code-cell,
.episode-action {
  min-width: 0;
}

.episode-select-button:hover {
  background: transparent;
  color: #064c5d;
}

.episode-title {
  font-weight: 700;
  overflow-wrap: anywhere;
}

.episode-filename {
  color: #334047;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.episode-copy {
  min-height: 36px;
  padding: 0 12px;
}

.rename-controls {
  align-items: end;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(280px, 1fr) auto;
}

.execution-panel {
  align-items: end;
  background: #f7f9fa;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(260px, 1fr) auto;
  margin-bottom: 0;
  padding: 14px;
}

.execution-section {
  margin-top: 16px;
}

.settings-page .execution-section {
  margin-top: 0;
}

.settings-information {
  margin-top: 16px;
}

.settings-information > p {
  margin: 0;
}

.execution-target-control {
  display: grid;
  gap: 7px;
}

.agent-connection-status {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
  margin: 0;
}

.agent-connection-status.is-connected {
  color: #17643a;
}

.agent-connection-status.is-offline {
  color: var(--accent-dark);
}

.execution-actions {
  justify-content: flex-end;
}

.pairing-panel {
  background: #fff8e8;
  border: 1px solid #e3c978;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 14px;
}

.pairing-panel[hidden] {
  display: none;
}

.pairing-panel h3,
.pairing-panel p {
  margin: 0;
}

.agent-install-command {
  background: #182026;
  border-radius: 7px;
  color: #f5f7f8;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.82rem;
  margin: 0;
  max-height: 220px;
  overflow: auto;
  padding: 12px;
  white-space: pre-wrap;
}

.folder-control {
  display: grid;
  gap: 7px;
}

.folder-input-row input {
  min-width: 0;
}

.folder-input-row button {
  white-space: nowrap;
}

.network-notice {
  background: #f7f9fa;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
  margin: 0;
  padding: 9px 11px;
}

.toggle-choice {
  align-items: center;
  color: var(--text);
  cursor: pointer;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 750;
  gap: 8px;
  padding-bottom: 10px;
}

.toggle-choice input {
  accent-color: var(--focus);
  min-height: auto;
  width: auto;
}

.action-groups {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.danger-actions {
  border-left: 1px solid var(--line);
  padding-left: 12px;
}

.rename-summary {
  color: var(--muted);
  font-weight: 750;
  min-height: 22px;
  padding-top: 10px;
}

.rename-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
}

.rename-preview:empty {
  display: none;
}

.rename-row {
  align-items: start;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 10px;
  grid-template-columns: 112px minmax(0, 1fr);
  padding: 10px;
}

.rename-row:last-child {
  border-bottom: 0;
}

.rename-badge {
  border-radius: 999px;
  background: #eef2f5;
  color: #3e4b56;
  font-size: 0.8rem;
  font-weight: 850;
  padding: 4px 8px;
  text-align: center;
}

.rename-row.is-ready .rename-badge {
  background: #e9f7ef;
  color: #17643a;
}

.rename-row.is-conflict .rename-badge {
  background: #fdecea;
  color: var(--accent-dark);
}

.rename-row.is-unchanged .rename-badge {
  background: #e9f3fb;
  color: #19577a;
}

.rename-row-body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.rename-source,
.rename-target,
.rename-meta {
  overflow-wrap: anywhere;
}

.rename-source {
  color: var(--muted);
  font-size: 0.86rem;
}

.rename-target {
  color: var(--text);
  font-weight: 800;
}

.rename-meta {
  color: var(--focus);
  font-size: 0.86rem;
  font-weight: 750;
}

@media (max-width: 980px) {
  .toolbar,
  .naming-grid {
    grid-template-columns: 1fr 1fr;
  }

  .url-form,
  .template-field {
    grid-column: 1 / -1;
  }

  .context-bar {
    grid-template-columns: 1fr auto;
  }

  #current-filename {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .episode-table-head,
  .episode-row {
    grid-template-columns: 80px minmax(150px, 0.8fr) minmax(220px, 1.4fr) 100px;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 20px 12px 40px;
  }

  .app-header {
    align-items: flex-start;
  }

  .brand-mark {
    height: 56px;
    width: 56px;
  }

  .app-header h1 {
    font-size: 1.8rem;
  }

  .app-intro {
    font-size: 0.92rem;
  }

  .source-pill {
    display: none;
  }

  .app-header-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .agent-warning {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .workflow-section {
    padding: 16px;
  }

  .toolbar,
  .naming-grid,
  .execution-panel,
  .rename-controls {
    grid-template-columns: 1fr;
  }

  .url-form,
  .template-field {
    grid-column: auto;
  }

  .context-bar {
    grid-template-columns: 1fr;
    position: static;
  }

  #current-filename {
    grid-column: auto;
    grid-row: auto;
  }

  .context-actions {
    justify-content: stretch;
  }

  .context-actions button {
    flex: 1 1 150px;
  }

  .episode-table-head {
    display: none;
  }

  .episode-table {
    border: 0;
  }

  .episode-list {
    gap: 8px;
  }

  .episode-row {
    border: 1px solid var(--line);
    border-radius: 8px;
    gap: 6px 10px;
    grid-template-columns: 74px minmax(0, 1fr);
    padding: 11px;
  }

  .episode-title {
    grid-column: 2;
  }

  .episode-filename {
    border-top: 1px solid var(--line);
    grid-column: 1 / -1;
    margin-top: 5px;
    padding-top: 8px;
  }

  .episode-copy {
    justify-self: start;
  }

  .episode-action {
    grid-column: 1 / -1;
  }

  .toggle-choice {
    padding-bottom: 0;
  }

  .action-groups {
    align-items: stretch;
    flex-direction: column;
  }

  .danger-actions {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 12px;
  }

  .rename-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .brand-lockup {
    align-items: flex-start;
  }

  .brand-mark {
    height: 48px;
    width: 48px;
  }

  .app-header h1 {
    font-size: 1.55rem;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .button-row button {
    flex: 1 1 100%;
  }
}