:root {
  --bg-main: #f4f5f7;
  --bg-panel: #ffffff;
  --border-color: #d8dde6;
  --text-primary: #1f2933;
  --text-secondary: #52606d;
  --accent: #2563eb;
  --error: #dc2626;
  --warning: #d97706;
  --alias-highlight: #fde68a;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 2rem 1rem;
}

.announcement-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  z-index: 9999;
  padding: 1.5rem;
}

.announcement-overlay.hidden {
  display: none;
}

.announcement-content {
  max-width: min(640px, 90vw);
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.25);
  padding: 2rem;
  color: var(--text-primary);
}

.announcement-content h2 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
}

.announcement-body {
  color: var(--text-secondary);
}

.announcement-body ul {
  margin: 0.75rem 0 0;
  padding-left: 1.2rem;
}

.announcement-body li + li {
  margin-top: 0.4rem;
}

.announcement-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.announcement-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

.announcement-actions button {
  background-color: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.3rem;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.announcement-actions button:hover {
  background-color: #1d4ed8;
}

.app-header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.subtitle {
  margin: 0;
  color: var(--text-secondary);
}

.app-container {
  flex: 1;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  padding: 1.5rem 2rem;
}

.input-panel,
.output-panel {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.input-panel h2,
.output-panel h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

textarea#raw-input {
  flex: 1;
  min-height: 260px;
  resize: vertical;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: #fcfcfc;
}

.input-controls {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.input-controls button,
.alias-buttons button {
  background-color: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.input-controls button:hover,
.alias-buttons button:hover {
  background-color: #1d4ed8;
}

.input-controls button:nth-child(2) {
  background-color: #6b7280;
}

.input-controls button:nth-child(2):hover {
  background-color: #4b5563;
}

.alias-panel {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.alias-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.alias-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.alias-header-actions button {
  background-color: #0f172a;
  color: #ffffff;
  border: none;
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.alias-header-actions button:hover {
  background-color: #111827;
}

.alias-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.alias-buttons button:nth-child(2),
.alias-buttons button:nth-child(3) {
  background-color: #0f766e;
}

.alias-buttons button:nth-child(2):hover,
.alias-buttons button:nth-child(3):hover {
  background-color: #0b5f58;
}

.alias-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.alias-table th,
.alias-table td {
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem;
  text-align: left;
}

.alias-table th:last-child,
.alias-table td:last-child {
  width: 48px;
  text-align: center;
}

.alias-table input {
  width: 100%;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.alias-table-wrapper {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  max-height: 240px;
  overflow-y: auto;
  background-color: #ffffff;
}

.alias-table-wrapper.collapsed {
  display: none;
}

.alias-delete-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: #ffffff;
  color: #b91c1c;
  font-size: 0.85rem;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease;
}

.alias-delete-btn:hover {
  background-color: rgba(220, 38, 38, 0.1);
  border-color: rgba(220, 38, 38, 0.4);
}

.alias-delete-btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.output-area {
  flex: 1;
  border: 1px dashed var(--border-color);
  border-radius: 6px;
  padding: 0.75rem;
  background-color: #fbfcfe;
  overflow-y: auto;
  font-family: "Fira Code", "Consolas", "Courier New", monospace;
  font-size: 0.95rem;
}

.plain-output-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.plain-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.plain-output-header button {
  background-color: #0f766e;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.plain-output-header button:hover {
  background-color: #0b5f58;
}

#plain-output {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-family: "Fira Code", "Consolas", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: #ffffff;
}

.record-block {
  border-radius: 6px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  background-color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
}

.record-block.error-format {
  border-color: var(--warning);
  background-color: rgba(217, 119, 6, 0.08);
}

.record-block.error-total {
  border-color: var(--error);
  background-color: rgba(220, 38, 38, 0.08);
}

.record-block.passthrough-block {
  border-color: #0891b2;
  background-color: rgba(8, 145, 178, 0.08);
}

.record-block pre {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.record-block pre + pre {
  margin-top: 0.5rem;
}

.record-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.line-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background-color: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  background-color: rgba(79, 70, 229, 0.12);
  color: #4f46e5;
}

.status-tag--alias {
  background-color: rgba(16, 185, 129, 0.18);
  color: #047857;
}

.status-tag--alert {
  background-color: rgba(220, 38, 38, 0.16);
  color: #b91c1c;
}

.status-tag--warning {
  background-color: rgba(217, 119, 6, 0.16);
  color: #9a3412;
}

.status-tag--passthrough {
  background-color: rgba(8, 145, 178, 0.16);
  color: #0e7490;
}

.error-title {
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.alias-highlight {
  background-color: var(--alias-highlight);
  padding: 0 0.1em;
  border-radius: 3px;
}

.sum-warning {
  margin-top: 0.5rem;
  color: var(--error);
  font-size: 0.85rem;
}

.status-bar {
  background-color: var(--bg-panel);
  border-top: 1px solid var(--border-color);
  padding: 0.6rem 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

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

@media (max-width: 768px) {
  .app-container {
    padding: 1rem;
  }

  textarea#raw-input {
    min-height: 200px;
  }

  .alias-buttons {
    flex-wrap: wrap;
  }
}