:root {
  color-scheme: light;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-soft: #f8faff;
  --surface-strong: #edf2fb;
  --text: #172033;
  --text-strong: #0b1220;
  --muted: #657086;
  --subtle: #8791a3;
  --line: #dbe1eb;
  --line-strong: #c8d0dc;
  --accent: #2459d8;
  --accent-hover: #1748c1;
  --accent-soft: #eaf0ff;
  --accent-text: #163d9c;
  --success: #15805f;
  --success-soft: #e8f6f1;
  --warning: #a15c00;
  --warning-soft: #fff3dc;
  --danger: #b43c32;
  --danger-soft: #fff0ed;
  --focus: rgba(36, 89, 216, 0.22);
  --shadow: 0 16px 44px rgba(23, 32, 51, 0.08);
  --font: "Pretendard Variable", Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --content-width: 1240px;
  --article-width: 780px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #11151d;
  --surface: #171c25;
  --surface-soft: #1c222d;
  --surface-strong: #232b38;
  --text: #e8ecf4;
  --text-strong: #ffffff;
  --muted: #a4adbd;
  --subtle: #7f899b;
  --line: #303846;
  --line-strong: #424c5d;
  --accent: #6f9cff;
  --accent-hover: #8aafff;
  --accent-soft: #1e315f;
  --accent-text: #b9ceff;
  --success: #57c8a4;
  --success-soft: #18362f;
  --warning: #f3b65f;
  --warning-soft: #3c2d16;
  --danger: #ff8e84;
  --danger-soft: #462521;
  --focus: rgba(111, 156, 255, 0.3);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
textarea,
input {
  font: inherit;
  letter-spacing: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

::selection {
  background: var(--accent-soft);
  color: var(--text-strong);
}

.app-shell {
  width: 100%;
}

.workspace {
  width: min(100% - 48px, var(--content-width));
  margin: 0 auto;
  padding: 30px 0 56px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 10px 0 26px;
}

.terminal-promo {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  padding: 20px 24px;
  border: 1px solid #796238;
  border-radius: 12px;
  background: #171b21;
  color: #f7f3e9;
}

.terminal-promo > img {
  flex: 0 0 56px;
  border-radius: 12px;
}

.terminal-promo-copy {
  flex: 1;
  min-width: 0;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.terminal-promo-copy > span {
  color: #c9bda8;
  font-size: 0.72rem;
}

.terminal-promo-copy strong {
  display: block;
  margin-top: 3px;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.4;
}

.terminal-promo-copy p {
  margin: 6px 0 0;
  color: #ded4c2;
  font-size: 0.8rem;
}

.terminal-promo > a {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 10px 18px;
  border: 1px solid #e5c177;
  border-radius: 6px;
  background: #e5c177;
  color: #211c12;
  font-size: 0.84rem;
  font-weight: 750;
}

.terminal-promo > a:hover {
  background: #f3d89f;
}

.terminal-promo > a:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 4px;
}

.empty-state .empty-state-mark {
  display: block;
  color: var(--accent);
  font: 4rem / 1 Georgia, serif;
}

.brand-block {
  position: relative;
  min-height: 68px;
  padding-left: 84px;
}

.brand-mark {
  position: absolute;
  top: 1px;
  left: 0;
  width: 64px;
  height: 64px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #06175a;
  box-shadow: 0 8px 22px rgba(6, 23, 90, 0.16);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eyebrow,
.content-eyebrow,
.article-kicker {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.topbar h1 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(2rem, 3.4vw, 3rem);
  font-weight: 800;
  line-height: 1.08;
}

.tagline {
  max-width: 720px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.top-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.theme-toggle {
  display: inline-grid;
  grid-template-columns: repeat(3, auto);
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.theme-option,
.ghost-button,
.result-action,
.text-button,
.copy-button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.theme-option {
  min-height: 34px;
  padding: 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.theme-option span {
  margin-right: 3px;
}

.theme-option:hover,
.theme-option.active {
  background: var(--accent-soft);
  color: var(--accent-text);
}

.ghost-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
}

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

.primary-nav {
  display: flex;
  gap: 30px;
  min-height: 52px;
  align-items: flex-end;
  border-bottom: 1px solid var(--line);
}

.primary-nav a {
  position: relative;
  padding: 0 0 14px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--text-strong);
}

.primary-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--accent);
}

.value-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
}

.value-strip > div {
  display: grid;
  gap: 4px;
  padding: 0 26px;
  border-right: 1px solid var(--line);
}

.value-strip > div:first-child {
  padding-left: 0;
}

.value-strip > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.value-strip strong {
  color: var(--text-strong);
  font-size: 0.84rem;
}

.value-strip span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.editor-grid {
  display: grid;
  grid-template-columns: minmax(350px, 0.9fr) minmax(430px, 1.1fr);
  overflow: hidden;
  margin-top: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  min-width: 0;
  padding: 28px;
}

.input-panel {
  border-right: 1px solid var(--line);
}

.result-panel {
  background: var(--surface-soft);
}

.panel-head {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.panel-head h2,
.recent-head h2,
.guide-head h2,
.seo-section h2,
.use-case-copy h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.4;
}

.panel-head > span,
.result-head span {
  color: var(--muted);
  font-size: 0.78rem;
}

.result-head > div {
  display: grid;
  gap: 1px;
}

#sourceText {
  display: block;
  width: 100%;
  min-height: 190px;
  resize: vertical;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--text-strong);
  font-size: 1rem;
  line-height: 1.75;
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

#sourceText::placeholder {
  color: var(--subtle);
}

#sourceText:hover {
  border-color: var(--subtle);
}

#sourceText:focus {
  border-color: var(--accent);
  outline: 0;
  background: var(--surface);
  box-shadow: 0 0 0 4px var(--focus);
}

.control-block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.label,
.section-label strong {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.chip-grid.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.chip {
  position: relative;
  min-width: 0;
  min-height: 42px;
  padding: 0 10px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chip.active {
  padding-right: 26px;
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.chip.active::after {
  content: "\2713";
  position: absolute;
  top: 50%;
  right: 9px;
  transform: translateY(-50%);
  font-size: 0.76rem;
  font-weight: 900;
}

.primary-button {
  width: 100%;
  min-height: 50px;
  margin-top: 22px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

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

.primary-button:active,
.ghost-button:active,
.copy-button:active {
  transform: translateY(1px);
}

.primary-button:disabled {
  border-color: var(--line-strong);
  background: var(--line-strong);
  cursor: wait;
}

.privacy-note,
.model-note {
  margin: 9px 0 0;
  color: var(--subtle);
  font-size: 0.72rem;
  line-height: 1.45;
}

.privacy-note {
  color: var(--warning);
}

.result-action {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
}

.result-action:not(:disabled):hover {
  border-color: var(--accent);
  color: var(--accent);
}

.result-action:disabled {
  color: var(--subtle);
  cursor: not-allowed;
  opacity: 0.6;
}

.risk-meter {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.risk-bar-wrap {
  display: contents;
}

.risk-badge {
  display: inline-flex;
  min-height: 28px;
  padding: 0 9px;
  align-items: center;
  border-radius: 999px;
  background: var(--warning-soft);
  color: var(--warning);
  font-size: 0.72rem;
  font-weight: 900;
  white-space: nowrap;
}

.risk-bar-track {
  display: none;
}

.risk-meter p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.result-list {
  display: grid;
  min-height: 370px;
  align-content: start;
}

.result-notice {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 0.8rem;
}

.result-card {
  border-top: 1px solid var(--line-strong);
  animation: result-enter 260ms ease both;
}

.result-card:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.result-card header {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 2px 10px;
}

.result-card h3 {
  margin: 0;
  color: var(--text-strong);
  font-size: 0.9rem;
}

.result-card > p {
  margin: 0;
  padding: 0 2px 20px;
  color: var(--text);
  font-size: 0.98rem;
  line-height: 1.85;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.copy-button {
  min-width: 58px;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
}

.copy-button:hover {
  background: var(--accent);
  color: #ffffff;
}

.result-card.copied {
  border-color: var(--success);
  background: var(--success-soft);
}

.empty-state,
.limit-state {
  display: grid;
  gap: 8px;
  min-height: 280px;
  align-content: center;
  justify-items: start;
  padding: 24px 4px;
  color: var(--muted);
}

.empty-state strong,
.limit-state strong {
  color: var(--text-strong);
  font-size: 1.05rem;
}

.empty-state p,
.empty-state span,
.limit-state span {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.limit-state {
  min-height: 220px;
  padding: 28px;
  border-left: 3px solid var(--warning);
  background: var(--warning-soft);
}

.quick-examples {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-top: 18px;
  padding: 15px 0 4px;
  align-items: center;
  scrollbar-width: thin;
}

.section-label {
  display: grid;
  min-width: 148px;
  gap: 0;
}

.section-label strong {
  margin: 0;
  color: var(--text-strong);
}

.section-label span {
  color: var(--subtle);
  font-size: 0.7rem;
}

.quick-examples button {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  cursor: pointer;
}

.quick-examples button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-text);
}

.recent-panel {
  margin-top: 30px;
  padding: 24px 0 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.recent-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.text-button {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

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

.recent-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 24px;
  margin-top: 12px;
}

.recent-empty {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: var(--subtle);
  font-size: 0.86rem;
}

.recent-item {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 13px 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, transform 160ms ease, opacity 160ms ease;
}

.recent-item:hover {
  color: var(--accent);
}

.recent-item strong {
  overflow: hidden;
  color: var(--text-strong);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-item span {
  color: var(--subtle);
  font-size: 0.7rem;
}

.recent-item.swipe-removing {
  transform: translateX(-20px);
  opacity: 0;
}

.seo-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 0;
  margin-top: 76px;
  border-top: 1px solid var(--line-strong);
}

.seo-section > div {
  padding: 26px 28px 0;
  border-right: 1px solid var(--line);
}

.seo-section > div:first-child {
  padding-left: 0;
}

.seo-section > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.seo-section p,
.guide-head p,
.use-case-section p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.75;
  word-break: keep-all;
}

.use-case-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 72px;
  margin-top: 86px;
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
}

.use-case-copy h2 {
  max-width: 350px;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.25;
}

.use-case-copy p {
  max-width: 540px;
  margin-top: 18px;
  font-size: 0.94rem;
}

.use-case-grid {
  counter-reset: use-case;
}

.use-case-grid article {
  counter-increment: use-case;
  display: grid;
  grid-template-columns: 36px 150px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.use-case-grid article::before {
  content: counter(use-case, decimal-leading-zero);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
}

.use-case-grid article:first-child {
  border-top-color: var(--line-strong);
}

.use-case-grid strong {
  color: var(--text-strong);
  font-size: 0.88rem;
}

.use-case-grid span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.7;
}

.guide-section {
  margin-top: 86px;
  padding-top: 30px;
  border-top: 1px solid var(--line-strong);
}

.guide-head {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 18px;
}

.guide-head h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

.guide-list {
  border-top: 1px solid var(--line-strong);
}

.guide-card {
  display: grid;
  grid-template-columns: 110px minmax(230px, 0.75fr) minmax(0, 1.25fr);
  gap: 28px;
  padding: 22px 0;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, padding-left 160ms ease;
}

.guide-card:hover {
  padding-left: 8px;
  color: var(--accent);
}

.guide-card span {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
}

.guide-card strong {
  color: var(--text-strong);
  font-size: 0.94rem;
}

.guide-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

.guide-link-button {
  display: inline-flex;
  min-height: 42px;
  margin-top: 20px;
  padding: 0 16px;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-strong);
  font-size: 0.8rem;
  font-weight: 800;
}

.guide-link-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.site-footer,
.content-footer {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  margin-top: 72px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  color: var(--subtle);
  font-size: 0.72rem;
}

.site-footer nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-footer a:hover {
  color: var(--accent);
}

/* Content pages */
.content-site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  width: 100%;
  min-height: 68px;
  padding: 0 max(28px, calc((100% - var(--content-width)) / 2));
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
}

.content-brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--text-strong);
  font-size: 0.92rem;
  font-weight: 850;
}

.content-brand img {
  width: 34px;
  height: 34px;
  border-radius: 6px;
  object-fit: cover;
}

.content-nav {
  display: flex;
  gap: 24px;
  align-items: stretch;
}

.content-nav a {
  position: relative;
  padding: 22px 0 18px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 750;
  white-space: nowrap;
}

.content-nav a:hover,
.content-nav a[aria-current="page"] {
  color: var(--text-strong);
}

.content-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--accent);
}

.content-page {
  width: min(100% - 48px, var(--content-width));
  min-height: calc(100vh - 160px);
  margin: 0 auto;
  padding: 72px 0 40px;
}

.content-card {
  width: min(100%, var(--article-width));
}

.article-card {
  margin-left: clamp(0px, 7vw, 110px);
}

.back-link {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}

.back-link::before {
  content: "\2190";
  margin-right: 7px;
}

.back-link:hover {
  color: var(--accent);
}

.article-card h1,
.guide-hub h1 {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--text-strong);
  font-size: clamp(2.35rem, 6vw, 4.7rem);
  font-weight: 850;
  line-height: 1.12;
  word-break: keep-all;
}

.article-lead,
.guide-hub-intro {
  max-width: 730px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.9;
  word-break: keep-all;
}

.article-meta {
  display: flex;
  gap: 10px 22px;
  margin: 32px 0 0;
  padding: 16px 0;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--subtle);
  font-size: 0.72rem;
}

.article-card > section {
  margin-top: 76px;
}

.article-card section > h2,
.guide-hub section > h2,
.guide-hub .content-card > h2 {
  margin: 0 0 18px;
  color: var(--text-strong);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.35;
  word-break: keep-all;
}

.article-card section > p,
.content-card > p:not(.article-kicker):not(.article-lead):not(.content-eyebrow):not(.guide-hub-intro),
.content-card li {
  color: var(--text);
  line-height: 1.95;
  word-break: keep-all;
}

.phrase-example {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  margin-top: 0;
  border-top: 1px solid var(--line);
}

.phrase-example:last-child {
  border-bottom: 1px solid var(--line);
}

.phrase-example span,
.phrase-example p {
  margin: 0;
  padding: 17px 0;
}

.phrase-example span {
  color: var(--subtle);
  font-size: 0.74rem;
  font-weight: 800;
}

.phrase-example p {
  color: var(--text);
  line-height: 1.85;
  word-break: keep-all;
}

.phrase-example span:nth-of-type(2),
.phrase-example p:nth-of-type(2) {
  border-top: 1px dashed var(--line);
  color: var(--text-strong);
}

.phrase-example p:nth-of-type(2) {
  font-weight: 650;
}

.article-note,
.content-note {
  margin-top: 36px;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.8;
}

.article-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 30px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.article-checklist li {
  position: relative;
  padding: 16px 0 16px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}

.article-checklist li::before {
  content: "\2713";
  position: absolute;
  top: 17px;
  left: 0;
  color: var(--accent);
  font-weight: 900;
}

.related-guides {
  margin-top: 86px !important;
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.related-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.related-guide-grid a {
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  color: var(--text-strong);
  font-size: 0.88rem;
  font-weight: 750;
}

.related-guide-grid a:nth-child(odd) {
  padding-right: 24px;
}

.related-guide-grid a:nth-child(even) {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.related-guide-grid a:hover {
  color: var(--accent);
}

.guide-hub .content-card {
  width: 100%;
}

.guide-hub .content-card > section {
  margin-top: 72px;
}

.guide-hub h1 {
  max-width: 900px;
}

.guide-hub-intro {
  max-width: 790px;
}

.guide-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 48px;
  border-top: 1px solid var(--line-strong);
}

.guide-hub-card {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 7px 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, padding-left 160ms ease;
}

.guide-hub-card:hover {
  padding-left: 8px;
  color: var(--accent);
}

.guide-hub-card span {
  grid-row: 1 / 3;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 850;
}

.guide-hub-card strong {
  color: var(--text-strong);
  font-size: 1rem;
}

.guide-hub-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.75;
}

.contact-placeholder {
  display: inline-flex;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-strong);
  font-weight: 800;
}

.brand-owner {
  color: var(--accent);
  font-weight: 800;
}

.content-footer {
  width: min(100% - 48px, var(--content-width));
  margin: 40px auto 0;
  justify-content: flex-start;
}

.skeleton-card {
  border-top: 1px solid var(--line-strong);
}

.skeleton-header {
  display: flex;
  gap: 16px;
  padding: 18px 2px 12px;
  align-items: center;
  justify-content: space-between;
}

.skeleton-body {
  display: grid;
  gap: 10px;
  padding: 0 2px 22px;
}

.skeleton-line {
  height: 12px;
  border-radius: 4px;
  background: var(--surface-strong);
  animation: skeleton-pulse 1.2s ease-in-out infinite alternate;
}

.skeleton-title {
  width: 32%;
}

.skeleton-btn {
  width: 54px;
  height: 30px;
}

.skeleton-text {
  width: 100%;
}

.skeleton-text-short {
  width: 72%;
}

.native-ad-enabled {
  padding-bottom: 72px;
}

@keyframes result-enter {
  from {
    transform: translateY(6px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes skeleton-pulse {
  from { opacity: 0.55; }
  to { opacity: 1; }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #11151d;
    --surface: #171c25;
    --surface-soft: #1c222d;
    --surface-strong: #232b38;
    --text: #e8ecf4;
    --text-strong: #ffffff;
    --muted: #a4adbd;
    --subtle: #7f899b;
    --line: #303846;
    --line-strong: #424c5d;
    --accent: #6f9cff;
    --accent-hover: #8aafff;
    --accent-soft: #1e315f;
    --accent-text: #b9ceff;
    --success: #57c8a4;
    --success-soft: #18362f;
    --warning: #f3b65f;
    --warning-soft: #3c2d16;
    --danger: #ff8e84;
    --danger-soft: #462521;
    --focus: rgba(111, 156, 255, 0.3);
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  }
}

@media (max-width: 980px) {
  .workspace,
  .content-page,
  .content-footer {
    width: min(100% - 36px, var(--content-width));
  }

  .topbar {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .top-actions {
    justify-content: space-between;
  }

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

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

  .result-list {
    min-height: 260px;
  }

  .value-strip {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .value-strip > div,
  .value-strip > div:first-child,
  .value-strip > div:last-child {
    padding: 14px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .value-strip > div:last-child {
    border-bottom: 0;
  }

  .seo-section {
    grid-template-columns: 1fr;
  }

  .seo-section > div,
  .seo-section > div:first-child,
  .seo-section > div:last-child {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .use-case-section {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .guide-card {
    grid-template-columns: 90px minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 18px;
  }

  .content-site-header {
    padding: 0 18px;
  }

  .article-card {
    margin-left: 0;
  }
}

@media (max-width: 720px) {
  .terminal-promo {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    margin: 12px 12px 0;
    padding: 16px;
  }

  .terminal-promo > img {
    width: 44px;
    height: 44px;
  }

  .terminal-promo > a {
    grid-column: 1 / -1;
  }

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

  .value-strip > div span {
    display: none;
  }

  body {
    font-size: 15px;
  }

  .workspace {
    width: 100%;
    padding: 0 0 36px;
  }

  .topbar {
    padding: 20px 18px 18px;
  }

  .brand-block {
    min-height: 56px;
    padding-left: 68px;
  }

  .brand-mark {
    width: 54px;
    height: 54px;
  }

  .topbar h1 {
    font-size: 2rem;
  }

  .tagline {
    font-size: 0.86rem;
    line-height: 1.6;
  }

  .top-actions {
    gap: 8px;
    align-items: stretch;
  }

  .theme-toggle {
    flex: 1;
  }

  .theme-option {
    min-width: 0;
    padding: 0 7px;
  }

  .ghost-button {
    min-height: 40px;
    padding: 0 13px;
  }

  .primary-nav {
    gap: 0;
    overflow-x: auto;
    padding: 0 18px;
    align-items: flex-end;
    background: var(--surface);
  }

  .primary-nav a {
    flex: 0 0 auto;
    margin-right: 24px;
    padding-top: 14px;
  }

  .value-strip {
    padding: 0 18px;
  }

  .editor-grid {
    margin-top: 16px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .panel {
    padding: 22px 18px;
  }

  #sourceText {
    min-height: 180px;
  }

  .audience-grid {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .audience-grid .chip {
    flex: 0 0 84px;
  }

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

  .risk-meter {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .result-list {
    min-height: 240px;
  }

  .quick-examples {
    margin-top: 10px;
    padding: 14px 18px 4px;
  }

  .section-label {
    min-width: 118px;
  }

  .recent-panel,
  .seo-section,
  .use-case-section,
  .guide-section,
  .site-footer {
    margin-right: 18px;
    margin-left: 18px;
  }

  .recent-list {
    grid-template-columns: 1fr;
  }

  .seo-section,
  .use-case-section,
  .guide-section {
    margin-top: 54px;
  }

  .use-case-grid article {
    grid-template-columns: 30px 1fr;
    gap: 6px 12px;
  }

  .use-case-grid span {
    grid-column: 2;
  }

  .guide-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .guide-card {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 6px 14px;
  }

  .guide-card span {
    grid-row: 1 / 3;
  }

  .guide-card p {
    grid-column: 2;
  }

  .site-footer {
    display: grid;
    justify-content: stretch;
  }

  .site-footer nav {
    justify-content: flex-start;
  }

  .content-site-header {
    position: static;
    display: grid;
    min-height: auto;
    padding: 14px 18px 0;
    background: var(--surface);
  }

  .content-brand {
    padding-bottom: 12px;
  }

  .content-nav {
    gap: 0;
    overflow-x: auto;
    border-top: 1px solid var(--line);
  }

  .content-nav a {
    flex: 0 0 auto;
    margin-right: 22px;
    padding: 13px 0 12px;
  }

  .content-page,
  .content-footer {
    width: min(100% - 36px, var(--content-width));
  }

  .content-page {
    padding-top: 44px;
  }

  .article-card h1,
  .guide-hub h1 {
    font-size: clamp(2.15rem, 11vw, 3.4rem);
  }

  .article-lead,
  .guide-hub-intro {
    margin-top: 22px;
    font-size: 1rem;
  }

  .article-card > section {
    margin-top: 58px;
  }

  .phrase-example {
    grid-template-columns: 1fr;
  }

  .phrase-example span,
  .phrase-example p {
    padding: 12px 0;
  }

  .phrase-example span {
    padding-bottom: 2px;
  }

  .phrase-example p {
    padding-top: 2px;
  }

  .phrase-example span:nth-of-type(2) {
    margin-top: 7px;
    padding-top: 12px;
  }

  .phrase-example p:nth-of-type(2) {
    border-top: 0;
  }

  .article-checklist,
  .related-guide-grid,
  .guide-hub-grid {
    grid-template-columns: 1fr;
  }

  .related-guide-grid a:nth-child(even) {
    padding-left: 4px;
    border-left: 0;
  }

  .guide-hub-grid {
    gap: 0;
  }

  .guide-hub-card {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .content-footer {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}