:root {
  color-scheme: light;
  --bg: #f4f3ef;
  --ink: #181512;
  --muted: #625c54;
  --line: #c9c3b8;
  --line-strong: #8f8578;
  --panel: #fffdfa;
  --panel-2: #ebe7dd;
  --red: #bd1220;
  --red-dark: #7f0e17;
  --yellow: #f1c232;
  --green: #276b4d;
  --focus: #111111;
  --shadow: 0 16px 40px rgba(24, 21, 18, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(189, 18, 32, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(39, 107, 77, 0.05) 1px, transparent 1px),
    var(--bg);
  background-size: 36px 36px;
  color: var(--ink);
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font-weight: 700;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease, transform 120ms ease;
}

button:hover {
  background: #f7efd2;
  border-color: var(--ink);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  cursor: wait;
  opacity: 0.62;
}

button.primary {
  background: var(--red);
  border-color: var(--red-dark);
  color: #fff;
}

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

button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

input {
  min-height: 42px;
  padding: 9px 10px;
}

textarea {
  resize: none;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

.app-header {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 18px;
  align-items: end;
  padding: 18px clamp(16px, 3vw, 32px);
  border-bottom: 4px solid var(--red);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.kicker {
  margin: 0 0 2px;
  color: var(--red);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.65rem);
  line-height: 1;
  letter-spacing: 0;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.header-actions button {
  padding: 7px 10px;
  white-space: nowrap;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  min-height: calc(100vh - 94px);
}

.controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px clamp(14px, 2.5vw, 24px);
  border-right: 1px solid var(--line);
  background: rgba(255, 253, 250, 0.86);
}

.mode-tabs,
.view-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.view-tabs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(260px, 100%);
}

.mode-tabs button,
.view-tabs button {
  padding: 7px 6px;
}

.control-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

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

label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.name-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.name-row > div {
  display: grid;
  gap: 6px;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

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

progress {
  width: 100%;
  height: 12px;
  accent-color: var(--green);
}

output,
#statusLine {
  color: var(--muted);
  font-size: 0.86rem;
}

.mission-meta {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.mission-meta dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.mission-meta div {
  display: grid;
  gap: 3px;
}

.mission-meta dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.mission-meta dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.92rem;
  font-weight: 750;
}

.ai-content-panel {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--yellow);
  border-radius: 8px;
  padding: 12px;
  background: #fffaf0;
}

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

.ai-content-panel h2 {
  margin: 0;
  font-size: 0.92rem;
}

.ai-content-panel p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.ai-content-panel ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ai-content-panel li {
  display: grid;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid rgba(143, 133, 120, 0.35);
}

.ai-content-panel strong {
  font-size: 0.86rem;
}

.ai-content-panel span {
  color: var(--muted);
  font-size: 0.78rem;
}

.ai-content-panel button {
  width: fit-content;
  min-height: 32px;
  padding: 5px 9px;
}

.workspace {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 18px clamp(14px, 2.5vw, 26px);
}

.workspace-toolbar {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

#statusLine {
  min-width: 8ch;
  margin: 0;
  text-align: right;
}

.mission-views {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 14px;
  min-height: 0;
  flex: 1;
}

.mission-editor,
.mission-preview {
  min-height: 0;
  height: calc(100vh - 188px);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--panel);
}

.mission-editor {
  padding: 16px;
  line-height: 1.48;
  tab-size: 2;
}

.mission-preview {
  overflow: auto;
  padding: clamp(16px, 2.4vw, 30px);
  line-height: 1.55;
}

.mission-preview h1,
.mission-preview h2,
.mission-preview h3 {
  letter-spacing: 0;
}

.mission-preview h1 {
  margin: 0 0 22px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--red);
  font-size: clamp(1.65rem, 2.8vw, 2.6rem);
}

.mission-preview h2 {
  margin: 26px 0 8px;
  font-size: 1.05rem;
  color: var(--red-dark);
}

.mission-preview h3 {
  margin: 24px 0 8px;
  font-size: 0.96rem;
}

.mission-preview p {
  margin: 0 0 12px;
}

.mission-preview ol,
.mission-preview ul {
  margin: 6px 0 14px;
  padding-left: 26px;
}

.mission-preview li {
  margin: 5px 0;
}

.mission-preview strong {
  font-weight: 900;
}

.mission-preview em {
  font-style: italic;
}

.disclosure-dialog {
  width: min(680px, calc(100vw - 28px));
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 0;
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(24, 21, 18, 0.28);
}

.disclosure-dialog::backdrop {
  background: rgba(24, 21, 18, 0.38);
}

.disclosure-dialog form {
  margin: 0;
}

.dialog-header {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 3px solid var(--red);
}

.dialog-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.dialog-header button {
  min-height: 34px;
  padding: 5px 9px;
}

.disclosure-copy {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.disclosure-copy p {
  margin: 0;
  line-height: 1.5;
}

.disclosure-copy code {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

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

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

  .header-actions {
    justify-content: flex-start;
  }

  .controls {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .mission-meta {
    margin-top: 0;
  }

  .mission-meta dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mission-views {
    grid-template-columns: 1fr;
  }

  .mission-editor,
  .mission-preview {
    height: 56vh;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 14px;
  }

  .header-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .header-actions button {
    white-space: normal;
  }

  .app-shell {
    min-height: 0;
  }

  .controls,
  .workspace {
    padding: 14px;
  }

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

  #statusLine {
    text-align: left;
  }

  .mission-meta dl,
  .button-row,
  .button-row.three-actions {
    grid-template-columns: 1fr;
  }

  .mission-editor,
  .mission-preview {
    height: 62vh;
  }
}

@media (min-width: 981px) {
  .mission-views.preview-only {
    grid-template-columns: 1fr;
  }

  .mission-views.edit-only {
    grid-template-columns: 1fr;
  }
}