:root {
  --bg: #f6f0e8;
  --accent: #c18b33;
  --accent-soft: #e2caa0;
  --ink: #2e2520;
  --ink-soft: #5b4a3e;
  --card: #fffaf3;
  --border-soft: #ddcbb5;
  --shadow-soft: 0 12px 25px rgba(0, 0, 0, 0.09);
  --radius-card: 18px;
  --radius-chip: 999px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top left, #fdf6ea 0, #f2ebe2 45%, #e6ddd0 100%);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

#app-root {
  width: 100vw;
  height: 100vh;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-shell {
  width: 100%;
  max-width: 480px;
  height: 100%;
  max-height: 780px;
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0, 0, 0, 0.04);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  border: 2px solid var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 17px;
  background: #f9f1e1;
}

.brand-text-main {
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  font-size: 17px;
}

.brand-sub {
  font-size: 11px;
  color: var(--ink-soft);
  opacity: 0.8;
}

.mode-toggle-group {
  display: inline-flex;
  padding: 2px;
  border-radius: var(--radius-chip);
  background: rgba(255, 250, 243, 0.9);
  border: 1px solid rgba(193, 139, 51, 0.35);
  gap: 2px;
}

.mode-toggle {
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 11px;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mode-toggle span {
  opacity: 0.7;
}

.mode-toggle[data-active="true"] {
  background: var(--accent);
  color: #fff;
}

.mode-toggle[data-active="true"] span {
  opacity: 1;
}

.app-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.app-pane {
  border-radius: 14px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 252, 247, 0.96);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.app-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-pane-title {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.app-pane-title small {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.app-pane-title span.label {
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(193, 139, 51, 0.07);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
}

.app-pane-meta {
  font-size: 11px;
  color: var(--ink-soft);
  opacity: 0.8;
}

.app-pane-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.generated-text {
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-y: auto;
  padding-right: 2px;
}

/* subtle scrollbar */
.generated-text::-webkit-scrollbar {
  width: 4px;
}

.generated-text::-webkit-scrollbar-track {
  background: transparent;
}

.generated-text::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
  border-radius: 999px;
}

.generated-text-line {
  margin-bottom: 3px;
}

.generated-text-line:last-child {
  margin-bottom: 0;
}

.generated-text-line.meta {
  font-size: 11px;
  color: var(--ink-soft);
  font-family: var(--font-sans);
}

.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
}

.pill-group {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.pill-group::-webkit-scrollbar {
  display: none;
}

.chip {
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 11px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.chip[data-active="true"] {
  background: #fff;
  color: var(--accent);
  border-color: rgba(193, 139, 51, 0.5);
}

.chip[data-active="true"] .chip-dot {
  background: var(--accent);
}

.primary-btn {
  border-radius: 999px;
  border: none;
  padding: 8px 16px;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 9px 18px rgba(0, 0, 0, 0.3);
}

.primary-btn span.icon {
  font-size: 11px;
}

.primary-btn:active {
  transform: translateY(1px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.22);
}

.secondary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}

.subtle-label {
  font-size: 10px;
  color: var(--ink-soft);
  opacity: 0.8;
}

.subtle-label strong {
  font-weight: 600;
}

.mini-controls {
  display: flex;
  gap: 4px;
}

.mini-btn {
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 4px 8px;
  font-size: 11px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--ink-soft);
}

.mini-btn span {
  opacity: 0.65;
}

.app-footer {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 10px;
  color: var(--ink-soft);
  opacity: 0.8;
}

.app-footer span:last-child {
  font-weight: 500;
}

/* small devices */
@media (max-height: 640px) {
  .app-shell {
    max-height: 640px;
    padding: 12px 12px 14px;
  }
  .app-pane {
    padding: 10px;
  }
}