:root {
  color-scheme: dark;
  --window: #111419;
  --surface: #1a1e25;
  --surface-raised: #20252d;
  --input: #12161c;
  --hover: #292f39;
  --border: #343c47;
  --border-strong: #46515f;
  --text: #f0f2f5;
  --muted: #98a2af;
  --accent: #4f8ff7;
  --accent-hover: #65a0ff;
  --accent-dark: #3977dd;
  --success: #66d19e;
  --error: #ff818b;
  --danger-bg: #382329;
  --radius: 6px;
  --shadow: 0 18px 50px rgb(0 0 0 / 32%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--window);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 4%, rgb(79 143 247 / 7%), transparent 31rem),
    var(--window);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.app-bar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgb(52 60 71 / 75%);
  background: rgb(17 20 25 / 92%);
  backdrop-filter: blur(14px);
}

.brand {
  flex: none;
}

.brand h1,
.section-heading h2,
.section-heading p,
.subsection-heading h3,
.subsection-heading p,
.settings-header h2,
.settings-header p,
.template-sidebar h3,
.defaults-card h3,
.transfer-intro h3,
.transfer-intro p,
.transfer-card h4,
.transfer-card p,
.instructions-header h2,
.instruction-section h3,
.instruction-section p,
.instruction-steps,
.field-reference {
  margin: 0;
}

.brand h1 {
  font-size: 16px;
  line-height: 1.2;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr);
  gap: 18px;
  width: min(1180px, calc(100% - 36px));
  margin: 32px auto;
  align-items: start;
}

.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 35px rgb(0 0 0 / 14%);
}

.composer,
.preview-panel {
  padding: clamp(20px, 3vw, 30px);
}

.preview-panel {
  position: sticky;
  top: 104px;
}

.section-heading,
.subsection-heading,
.preview-heading,
.sidebar-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.section-heading {
  margin-bottom: 24px;
}

.eyebrow {
  margin-bottom: 5px !important;
  color: var(--accent-hover);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.section-heading h2,
.settings-header h2 {
  font-size: clamp(20px, 2vw, 24px);
  letter-spacing: -.02em;
}

.save-indicator,
.character-count {
  flex: none;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.form-stack {
  display: grid;
  gap: 22px;
}

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

.field {
  display: grid;
  min-width: 0;
  gap: 7px;
}

.field > span {
  color: #cbd1d9;
  font-size: 13px;
  font-weight: 650;
}

.field small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.full-width {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
  background: var(--input);
  transition: border-color 120ms ease, background 120ms ease;
}

input,
select {
  padding: 0 12px;
}

textarea {
  padding: 11px 12px;
  resize: vertical;
  line-height: 1.5;
}

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

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

select {
  appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%2398a2af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
}

.service-section {
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.subsection-heading h3,
.template-sidebar h3,
.defaults-card h3,
.transfer-intro h3 {
  font-size: 15px;
}

.subsection-heading p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.service-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.service-toggle {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 650;
}

.service-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.service-toggle[aria-pressed="true"] {
  color: #dbe8ff;
  border-color: rgb(79 143 247 / 55%);
  background: rgb(79 143 247 / 14%);
}

.service-toggle[aria-pressed="true"]::before {
  content: "✓";
  margin-right: 7px;
  color: var(--accent-hover);
}

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

.service-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgb(18 22 28 / 55%);
}

.service-row.with-price {
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr) minmax(150px, .6fr);
}

.preview-shell {
  position: relative;
  min-height: 285px;
  padding: 20px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--input);
}

#preview {
  margin: 0;
  overflow: visible;
  color: var(--text);
  font: 400 15px/1.7 Inter, ui-sans-serif, system-ui, sans-serif;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.preview-placeholder {
  position: absolute;
  top: 18px;
  left: 20px;
  max-width: 27rem;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.preview-placeholder[hidden] {
  display: none;
}

.preview-shell.invalid {
  border-color: rgb(255 129 139 / 55%);
}

.status {
  min-height: 20px;
  margin: 10px 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.status.error,
.settings-status.error {
  color: var(--error);
}

.status.success,
.settings-status.success {
  color: var(--success);
}

.button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--text);
  background: transparent;
  font-weight: 700;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.button.compact {
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

.button-primary {
  color: white;
  border-color: var(--accent);
  background: var(--accent);
}

.button-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.button-primary:active {
  background: var(--accent-dark);
}

.button-secondary {
  border-color: var(--border-strong);
  background: var(--surface-raised);
}

.button-secondary:hover,
.button-quiet:hover {
  border-color: var(--border-strong);
  background: var(--hover);
}

.button-danger {
  color: #ffadb4;
  border-color: #64363e;
  background: transparent;
}

.button-danger:hover {
  background: var(--danger-bg);
}

.copy-button {
  width: 100%;
}

.button:disabled {
  cursor: not-allowed;
  opacity: .5;
}

.keyboard-hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.modal-backdrop {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  padding: 24px;
  overflow: auto;
  place-items: center;
  background: rgb(4 6 9 / 78%);
}

.modal-backdrop[hidden] {
  display: none;
}

.settings-dialog {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  width: min(1100px, 100%);
  height: min(820px, calc(100vh - 48px));
  min-height: 580px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.instructions-dialog {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: min(820px, 100%);
  max-height: min(820px, calc(100vh - 48px));
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.settings-header,
.instructions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
}

.instructions-header {
  border-bottom: 1px solid var(--border);
}

.icon-button {
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--muted);
  background: transparent;
  font-size: 27px;
  font-weight: 300;
}

.icon-button:hover {
  color: var(--text);
  background: var(--hover);
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}

.tab {
  position: relative;
  min-height: 42px;
  padding: 0 13px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 700;
}

.tab:hover,
.tab.active {
  color: var(--text);
}

.tab.active::after {
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 2px;
  background: var(--accent);
  content: "";
}

.settings-body {
  min-height: 0;
  overflow: auto;
}

.tab-panel {
  min-height: 100%;
}

#tab-templates.active {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}

.template-sidebar {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-height: 0;
  padding: 20px;
  border-right: 1px solid var(--border);
  background: rgb(18 22 28 / 45%);
}

.sidebar-title-row {
  align-items: baseline;
  margin-bottom: 12px;
}

.sidebar-title-row span {
  color: var(--muted);
  font-size: 11px;
}

.template-list {
  min-height: 0;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--input);
}

.template-list button {
  width: 100%;
  min-height: 42px;
  padding: 8px 11px;
  overflow: hidden;
  border: 0;
  border-bottom: 1px solid rgb(52 60 71 / 60%);
  color: #c8ced7;
  background: transparent;
  font-size: 13px;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.template-list button:last-child {
  border-bottom: 0;
}

.template-list button:hover {
  background: var(--hover);
}

.template-list button.selected {
  color: white;
  background: var(--accent-dark);
}

.sidebar-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.sidebar-actions .button-danger {
  grid-column: 1 / -1;
}

.template-editor {
  min-width: 0;
  padding: 24px;
  overflow: auto;
}

.editor-basics {
  margin-bottom: 18px;
}

.message-field textarea {
  min-height: 190px;
}

.token-help {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
}

.token-help > span {
  margin-right: 2px;
  color: var(--muted);
  font-size: 11px;
}

.token-help button {
  min-height: 27px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: #b8c9e7;
  background: var(--input);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
}

.token-help button:hover {
  color: white;
  border-color: var(--accent);
}

.date-offset-tool {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 8px 10px;
  align-items: end;
  margin-top: 12px;
}

.date-offset-tool[hidden] {
  display: none;
}

.date-offset-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.date-token-button {
  min-height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: #b8c9e7;
  background: var(--input);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
}

.date-token-button:hover {
  color: white;
  border-color: var(--accent);
}

.date-offset-status {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--danger);
  font-size: 12px;
}

.field-value-help {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 14px;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgb(18 22 28 / 52%);
}

.field-value-help[hidden] {
  display: none;
}

.field-value-help strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
}

.field-value-help p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.field-value-help .button {
  flex: none;
}

.choice-output-settings {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgb(18 22 28 / 52%);
}

.choice-output-settings[hidden] {
  display: none;
}

.choice-output-heading strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
}

.choice-output-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.choice-text-list {
  display: grid;
  margin-top: 13px;
}

.choice-text-row {
  display: grid;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.choice-text-row.single-output {
  grid-template-columns: minmax(130px, .35fr) minmax(0, 1fr);
}

.choice-text-row.double-output {
  grid-template-columns: minmax(130px, .35fr) repeat(2, minmax(0, 1fr));
}

.choice-text-row > strong {
  margin-top: 25px;
  font-size: 12px;
}

.choice-text-row textarea {
  min-height: 62px;
  resize: vertical;
}

.campaign-details {
  margin-top: 22px;
  border-top: 1px solid var(--border);
}

.campaign-details summary {
  padding: 16px 0 8px;
  font-size: 13px;
  font-weight: 700;
}

.campaign-details > p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 12px;
}

.campaign-grid {
  display: grid;
  gap: 14px;
}

#tab-fields,
#tab-transfer {
  padding: 24px;
}

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

.settings-overview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.settings-card,
.defaults-card,
.transfer-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgb(18 22 28 / 52%);
}

.settings-card {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 18px;
}

.settings-card h3 {
  margin: 0;
  font-size: 14px;
}

.settings-card textarea {
  min-height: 112px;
}

.defaults-card {
  margin: 0;
}

.defaults-card h3 {
  margin-bottom: 0;
}

.settings-overview .defaults-card .form-grid {
  grid-template-columns: 1fr;
  gap: 14px;
}

.transfer-intro {
  max-width: 680px;
  margin-bottom: 20px;
}

.transfer-intro p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.transfer-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.transfer-card {
  padding: 20px;
}

.transfer-card h4 {
  font-size: 14px;
}

.transfer-card p {
  min-height: 42px;
  margin: 7px 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.settings-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
  padding: 12px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-raised);
}

.settings-footer > div {
  display: flex;
  flex: none;
  gap: 8px;
}

.settings-status {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.instructions-body {
  overflow: auto;
  padding: 4px 24px 24px;
}

.instruction-section {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.instruction-section:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.instruction-section h3 {
  margin-bottom: 9px;
  font-size: 14px;
}

.instruction-section p,
.instruction-steps,
.field-reference dd {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.instruction-section p + p {
  margin-top: 9px;
}

.instruction-steps {
  padding-left: 22px;
  margin-bottom: 9px;
}

.instruction-steps li + li {
  margin-top: 4px;
}

.field-reference {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px 18px;
  margin-bottom: 10px;
}

.field-reference > div {
  display: grid;
  grid-template-columns: minmax(120px, .45fr) minmax(0, 1fr);
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--border);
}

.field-reference dt {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.field-reference dd {
  margin: 0;
}

.instructions-footer {
  display: flex;
  justify-content: flex-end;
  padding: 12px 24px;
  border-top: 1px solid var(--border);
  background: var(--surface-raised);
}

.drop-overlay {
  position: fixed;
  z-index: 200;
  inset: 14px;
  display: none;
  place-items: center;
  border: 2px dashed var(--accent-hover);
  border-radius: 10px;
  color: white;
  background: rgb(17 20 25 / 92%);
  font-size: clamp(17px, 3vw, 24px);
  font-weight: 750;
  pointer-events: none;
}

.drop-overlay.visible {
  display: grid;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 850px) {
  .workspace {
    grid-template-columns: 1fr;
    width: min(680px, calc(100% - 28px));
    margin: 20px auto 32px;
  }

  .preview-panel {
    position: static;
  }

  .preview-shell {
    min-height: 220px;
  }

  .settings-dialog {
    height: calc(100vh - 28px);
  }

  #tab-templates.active {
    grid-template-columns: 220px minmax(0, 1fr);
  }

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

@media (max-width: 620px) {
  .app-bar {
    position: static;
    align-items: flex-start;
    padding: 12px 14px;
  }

  .header-actions .button-quiet {
    display: none;
  }

  .header-actions {
    margin-top: 2px;
  }

  .workspace {
    width: calc(100% - 20px);
    margin-top: 10px;
    gap: 10px;
  }

  .composer,
  .preview-panel {
    padding: 18px;
  }

  .section-heading {
    margin-bottom: 20px;
  }

  .save-indicator,
  .keyboard-hint {
    display: none;
  }

  .form-grid,
  .service-fields,
  .service-row.with-price,
  .transfer-options,
  .settings-overview {
    grid-template-columns: 1fr;
  }

  .service-row.with-price {
    grid-column: auto;
  }

  .modal-backdrop {
    display: block;
    padding: 0;
  }

  .modal-backdrop[hidden] {
    display: none;
  }

  .settings-dialog {
    width: 100%;
    height: 100vh;
    min-height: 0;
    border: 0;
    border-radius: 0;
  }

  .instructions-dialog {
    width: 100%;
    height: 100vh;
    max-height: none;
    border: 0;
    border-radius: 0;
  }

  .settings-header,
  .instructions-header {
    padding: 14px 16px 10px;
  }

  .instructions-body {
    padding: 0 16px 20px;
  }

  .field-reference {
    grid-template-columns: 1fr;
  }

  .instructions-footer {
    padding: 10px 16px;
  }

  .field-value-help {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .date-offset-tool {
    grid-template-columns: 1fr;
  }

  .date-offset-actions .date-token-button {
    flex: 1;
  }

  .date-offset-status {
    grid-column: auto;
  }

  .choice-text-row.single-output,
  .choice-text-row.double-output {
    grid-template-columns: 1fr;
  }

  .choice-text-row > strong {
    margin-top: 0;
  }

  .tabs {
    padding: 0 10px;
    overflow-x: auto;
  }

  .tab {
    flex: none;
  }

  #tab-templates.active {
    display: block;
  }

  .template-sidebar {
    display: block;
    padding: 14px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .template-list {
    display: flex;
    overflow-x: auto;
  }

  .template-list button {
    width: auto;
    min-width: 140px;
    border-right: 1px solid var(--border);
    border-bottom: 0;
  }

  .sidebar-actions {
    display: flex;
  }

  .sidebar-actions .button-danger {
    margin-left: auto;
  }

  .template-editor,
  #tab-fields,
  #tab-transfer {
    padding: 16px;
  }

  .settings-footer {
    padding: 10px 14px;
  }

  .settings-status {
    max-width: 46%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}