:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #111827;
  --muted: #64748b;
  --border: #d8dee9;
  --soft: #eef2f7;
  --primary: #2563eb;
  --primary-strong: #1d4ed8;
  --success: #16a34a;
  --danger: #b91c1c;
  --warning: #b45309;
  --focus: rgba(37, 99, 235, 0.28);
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.09);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 34%),
    linear-gradient(315deg, rgba(22, 163, 74, 0.08), transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border: 1px solid rgba(37, 99, 235, 0.24);
  border-radius: 8px;
  background: #eaf1ff;
  color: var(--primary);
}

.brand-mark svg,
.empty-state svg,
.button svg,
.icon-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.15;
}

.brand p,
.panel-title span,
.empty-state,
.meta-grid dd,
.message-meta {
  color: var(--muted);
}

.status-pill {
  min-width: 96px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 14px;
  background: var(--panel);
  color: var(--muted);
  text-align: center;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}

.status-pill.busy {
  color: var(--warning);
}

.status-pill.done {
  color: var(--success);
}

.status-pill.error {
  color: var(--danger);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 460px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.workspace > * {
  min-width: 0;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.config-panel,
.result-panel {
  padding: 20px;
}

.result-panel {
  min-width: 0;
  min-height: 720px;
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-title h2 {
  font-size: 1rem;
}

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

.field-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.import-box,
.account-pool {
  border: 1px solid #c7d7f4;
  border-radius: 8px;
  margin-bottom: 16px;
  padding: 14px;
  background: #f3f7ff;
}

.account-pool {
  background: #fbfdff;
}

.import-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.import-title h3 {
  font-size: 0.96rem;
}

.import-title span,
.parsed-summary {
  color: var(--muted);
  font-size: 0.82rem;
}

.import-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.parsed-summary {
  overflow-wrap: anywhere;
}

.account-list {
  display: grid;
  max-height: 230px;
  gap: 8px;
  overflow: auto;
}

.account-empty {
  border: 1px dashed #c7d0dd;
  border-radius: 8px;
  padding: 12px;
  color: var(--muted);
  text-align: center;
}

.account-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  background: #ffffff;
}

.account-item.active {
  border-color: rgba(37, 99, 235, 0.52);
  background: #eef5ff;
}

.account-select,
.account-delete {
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
}

.account-select {
  display: grid;
  min-width: 0;
  gap: 2px;
  padding: 7px 9px;
  text-align: left;
}

.account-select strong,
.account-select span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.account-select span {
  color: var(--muted);
  font-size: 0.8rem;
}

.account-select:hover {
  background: var(--soft);
}

.account-delete {
  padding: 0 10px;
  color: var(--danger);
}

.account-delete:hover {
  background: #fff1f2;
}

.field span,
.mailboxes legend {
  color: #334155;
  font-size: 0.88rem;
  font-weight: 650;
}

input[type="text"],
input[type="number"],
input[type="datetime-local"],
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fbfdff;
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

textarea {
  min-height: 96px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.86rem;
}

input:focus,
textarea:focus,
button:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--focus);
}

.mailboxes {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 2px 0 14px;
  padding: 12px;
}

.mailboxes legend {
  padding: 0 6px;
}

.check-option,
.checkline {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 9px;
}

.checkline {
  margin: 0 0 16px;
  color: #334155;
}

.check-option input,
.checkline input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.button,
.icon-button,
.tab {
  border: 1px solid transparent;
  border-radius: 8px;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  gap: 8px;
  padding: 10px 14px;
  font-weight: 750;
}

.button.primary {
  background: var(--primary);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--primary-strong);
}

.button.secondary {
  border-color: var(--border);
  background: var(--soft);
  color: #1f2937;
}

.button.secondary:hover {
  border-color: #b8c2d2;
  background: #e6ebf3;
}

.button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.button:not(:disabled):active,
.icon-button:not(:disabled):active,
.tab:not(:disabled):active {
  transform: translateY(1px);
}

.error-box {
  margin-top: 14px;
  border: 1px solid rgba(185, 28, 28, 0.24);
  border-radius: 8px;
  padding: 12px;
  background: #fff1f2;
  color: var(--danger);
}

.result-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
}

.tabs {
  display: inline-flex;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--soft);
}

.tab {
  min-width: 92px;
  padding: 9px 13px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.tab.active {
  background: #ffffff;
  color: var(--primary);
}

.result-body {
  min-width: 0;
  padding-top: 18px;
}

.empty-state {
  display: grid;
  place-items: center;
  gap: 12px;
  min-height: 420px;
  border: 1px dashed #c7d0dd;
  border-radius: 8px;
  background: #fbfdff;
  text-align: center;
}

.empty-state svg {
  width: 42px;
  height: 42px;
  color: #94a3b8;
}

.code-result {
  display: grid;
  gap: 16px;
}

.code-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid #bcd2ff;
  border-radius: 8px;
  padding: 18px;
  background: #eef5ff;
}

#codeValue {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: 0;
  color: #0f3c91;
  overflow-wrap: anywhere;
}

.icon-button {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  background: #ffffff;
  color: var(--primary);
}

.icon-button:hover {
  background: #e0ebff;
}

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

.meta-grid div {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: #fbfdff;
}

.meta-grid dt {
  color: #334155;
  font-size: 0.78rem;
  font-weight: 750;
}

.meta-grid dd {
  margin: 5px 0 0;
  overflow-wrap: anywhere;
}

.json-view {
  max-height: 280px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 0;
  padding: 14px;
  background: #101827;
  color: #d7e7ff;
  font-size: 0.86rem;
  line-height: 1.55;
}

.message-list {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.message-card {
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: #fbfdff;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.message-card h3 {
  margin: 0 0 8px;
  font-size: 0.98rem;
  overflow-wrap: anywhere;
}

.message-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-size: 0.84rem;
}

.message-meta span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.message-id {
  margin-top: 8px;
  color: #526683;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.8rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.message-preview {
  margin-top: 10px;
  color: #334155;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .result-panel {
    min-height: 560px;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 14px;
  }

  .topbar,
  .result-header,
  .import-title,
  .import-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .field-grid.two,
  .field-grid.three,
  .actions,
  .meta-grid {
    grid-template-columns: 1fr;
  }

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

  .account-item {
    grid-template-columns: 1fr;
  }

  .tabs,
  .tab {
    width: 100%;
  }
}