:root {
  --bg: #f6f7fb;
  --bg-overlay: linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.94));
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: rgba(255, 255, 255, 0.97);
  --panel-soft: rgba(255, 255, 255, 0.72);
  --line: rgba(15, 23, 42, 0.08);
  --text: #09111f;
  --muted: #64748b;
  --accent: #ff6a3d;
  --accent-2: #14b88f;
  --accent-3: #5b5df0;
  --shadow-lg: 0 30px 90px rgba(15, 23, 42, 0.12);
  --shadow-md: 0 20px 44px rgba(15, 23, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

body[data-theme="dark"] {
  --bg: #07111c;
  --bg-overlay: linear-gradient(180deg, rgba(7, 17, 28, 0.58), rgba(7, 17, 28, 0.92));
  --panel: rgba(9, 18, 31, 0.74);
  --panel-strong: rgba(10, 20, 34, 0.94);
  --panel-soft: rgba(11, 21, 35, 0.56);
  --line: rgba(255, 255, 255, 0.08);
  --text: #eff6ff;
  --muted: #94a3b8;
  --accent: #ff8a5b;
  --accent-2: #4be1b4;
  --accent-3: #8a88ff;
  --shadow-lg: 0 34px 90px rgba(0, 0, 0, 0.36);
  --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.24);
}

body[data-theme="contrast"] {
  --bg: #000000;
  --bg-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.96));
  --panel: rgba(8, 8, 8, 0.96);
  --panel-strong: rgba(0, 0, 0, 1);
  --panel-soft: rgba(18, 18, 18, 1);
  --line: rgba(255, 255, 255, 0.34);
  --text: #ffffff;
  --muted: #f2f2f2;
  --accent: #ffe600;
  --accent-2: #00f0ff;
  --accent-3: #ff5cff;
  --shadow-lg: 0 0 0 rgba(0, 0, 0, 0);
  --shadow-md: 0 0 0 rgba(0, 0, 0, 0);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body[data-theme="dark"],
body[data-theme="contrast"] {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", "Pretendard", "SF Pro Display", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  overflow-x: hidden;
}

button,
input,
select,
textarea {
  font: inherit;
}

.background-orb,
.background-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.background-orb {
  filter: blur(70px);
  opacity: 0.8;
}

.orb-a {
  inset: 4% auto auto 4%;
  width: 320px;
  height: 320px;
  background: rgba(255, 106, 61, 0.28);
  border-radius: 50%;
}

.orb-b {
  inset: auto 6% 8% auto;
  width: 360px;
  height: 360px;
  background: rgba(91, 93, 240, 0.22);
  border-radius: 50%;
}

.background-grid {
  background-image: linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.2), transparent 80%);
}

.shell {
  position: relative;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 72px;
}

.hero,
.menu,
.panel,
.hero-panel,
.control,
.card,
.generator-form,
.generator-output {
  position: relative;
  background: var(--bg-overlay), var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(24px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 22px;
  padding: 30px;
  border-radius: 36px;
}

.eyebrow,
.section-kicker,
.panel-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
.section-title,
.output-title,
h3 {
  margin: 0;
  letter-spacing: -0.05em;
}

h1 {
  font-size: clamp(2.9rem, 7vw, 5.6rem);
  line-height: 0.94;
  max-width: 11ch;
}

.hero-text,
.section-text,
.card-text,
.output-note {
  color: var(--muted);
  line-height: 1.65;
}

.hero-text {
  max-width: 60ch;
  margin: 18px 0 0;
}

.hero-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.display-toggle {
  justify-self: end;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-overlay), var(--panel);
  color: var(--text);
  font-weight: 700;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.display-toggle:hover {
  transform: translateY(-1px);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 14px;
  border-radius: 26px;
  overflow: hidden;
  transition: max-height 220ms ease, opacity 180ms ease, padding 180ms ease, margin 180ms ease;
}

.controls.is-collapsed {
  max-height: 0;
  opacity: 0;
  padding-top: 0;
  padding-bottom: 0;
  margin: 0;
  pointer-events: none;
}

.controls:not(.is-collapsed) {
  max-height: 260px;
  opacity: 1;
}

.control {
  min-width: 168px;
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
  min-width: 0;
}

.control-theme {
  min-width: 190px;
}

.control span {
  color: var(--muted);
  font-size: 0.86rem;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 15px;
  color: var(--text);
  background: var(--panel-soft);
  outline: none;
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

select:focus,
input:focus,
textarea:focus,
.display-toggle:focus,
.menu-button:focus,
.action-button:focus,
.ghost-button:focus,
.copy-button:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.16);
}

select:focus,
input:focus,
textarea:focus {
  transform: translateY(-1px);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.hero-panel {
  padding: 20px;
  border-radius: 28px;
}

.panel-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.panel-metrics div {
  padding: 16px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--line);
}

.panel-metrics strong {
  display: block;
  font-size: 1.8rem;
  color: var(--accent-3);
}

.panel-metrics span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.menu {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px auto;
  padding: 10px;
  border-radius: 24px;
  overflow: hidden;
  max-width: 100%;
  vertical-align: top;
}

.menu-button {
  border: 0;
  border-radius: 16px;
  padding: 13px 18px;
  min-height: 48px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
  white-space: nowrap;
  min-width: 0;
}

.menu-button:hover {
  transform: translateY(-1px);
}

.menu-button.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: white;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), inset 0 -1px 0 rgba(0, 0, 0, 0.08);
}

body[data-theme="contrast"] .background-grid {
  opacity: 0.24;
}

body[data-theme="contrast"] .background-orb {
  opacity: 0.42;
}

body[data-theme="contrast"] .menu-button.is-active,
body[data-theme="contrast"] .action-button {
  color: #000000;
  box-shadow: none;
}

body[data-theme="contrast"] .ghost-button,
body[data-theme="contrast"] .copy-button,
body[data-theme="contrast"] select,
body[data-theme="contrast"] input,
body[data-theme="contrast"] textarea {
  border-width: 2px;
}

.panel {
  display: none;
  padding: 30px;
  border-radius: 36px;
}

.panel-active {
  display: block;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: end;
  margin-bottom: 24px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.08;
  text-wrap: balance;
}

.section-text {
  max-width: 56ch;
  margin: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.card,
.generator-form,
.generator-output {
  padding: 24px;
  border-radius: var(--radius-xl);
}

.card,
.generator-form,
.generator-output {
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent);
}

.card {
  grid-column: span 4;
}

.card-wide {
  grid-column: span 8;
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.card-index {
  margin: 0;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h3 {
  font-size: 1.28rem;
  line-height: 1.2;
  text-wrap: balance;
}

.field-group {
  margin-bottom: 14px;
}

.field-group label {
  display: block;
  margin-bottom: 9px;
  font-size: 0.92rem;
  font-weight: 700;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.result {
  margin-top: 18px;
  padding: 16px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--line);
}

.result p {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin: 0;
  padding: 8px 0;
}

.result p + p {
  border-top: 1px solid var(--line);
}

.result span {
  color: var(--muted);
  min-width: 0;
  flex: 1 1 42%;
  word-break: keep-all;
}

.result strong {
  min-width: 0;
  flex: 1 1 58%;
  text-align: right;
  font-size: 1rem;
  line-height: 1.45;
}

.generator {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
}

.creator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.developer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.comments-panel {
  display: block;
  margin-top: 18px;
}

#disqus_thread {
  color: #121212;
}

#disqus_thread a {
  color: var(--accent);
}

body[data-theme="dark"] #disqus_thread,
body[data-theme="contrast"] #disqus_thread {
  color: #f5f7fb;
}

.tool-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.tool-title {
  font-size: 1.5rem;
  line-height: 1.06;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.tool-title-stacked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.tool-title-line {
  display: block;
}

.tool-text {
  max-width: 34ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  word-break: keep-all;
}

.generator-actions {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.action-button,
.ghost-button,
.copy-button {
  border: 1px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

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

.action-button {
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: white;
  font-weight: 700;
}

.ghost-button,
.copy-button {
  padding: 14px 18px;
  background: var(--panel-soft);
  color: var(--text);
  font-weight: 700;
}

.output-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 18px;
}

.output-title {
  font-size: 1.5rem;
  line-height: 1.1;
  text-wrap: balance;
}

.nickname-list {
  display: grid;
  gap: 12px;
}

.bio-list {
  display: grid;
  gap: 12px;
}

.nickname-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.08), rgba(79, 70, 229, 0.08));
}

.bio-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(20, 184, 143, 0.08), rgba(91, 93, 240, 0.08));
}

.nickname-main {
  min-width: 0;
}

.nickname-name {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  word-break: break-word;
}

.nickname-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.empty-state {
  padding: 22px;
  border-radius: 22px;
  border: 1px dashed var(--line);
  color: var(--muted);
  background: var(--panel-soft);
}

.tool-card {
  display: flex;
  flex-direction: column;
}

.partner-card {
  display: flex;
  flex-direction: column;
}

.partner-form {
  display: block;
}

.tool-card-wide {
  grid-column: span 2;
}

.output-group {
  margin-top: 18px;
}

html[lang="ko"] .menu-button {
  letter-spacing: -0.02em;
}

html[lang="ko"] .section-title {
  font-size: clamp(1.7rem, 3.7vw, 2.5rem);
}

html[lang="ko"] h3,
html[lang="ko"] .tool-title,
html[lang="ko"] .output-title {
  letter-spacing: -0.03em;
}

html[lang="ko"] .tool-title {
  font-size: 1.4rem;
  line-height: 1.14;
}

html[lang="ko"] .result span {
  flex-basis: 46%;
}

html[lang="ko"] .result strong {
  flex-basis: 54%;
}

@media (max-width: 1024px) {
  .hero,
  .generator,
  .creator-grid,
  .developer-grid,
  .partner-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    flex-direction: column;
    align-items: start;
  }

  .card,
  .card-wide {
    grid-column: span 6;
  }

  .tool-card-wide {
    grid-column: span 1;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 720px);
    padding-top: 20px;
  }

  .hero,
  .panel {
    padding: 20px;
    border-radius: 28px;
  }

  .hero {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .controls,
  .menu {
    width: 100%;
  }

  .display-toggle {
    width: 100%;
    justify-self: stretch;
  }

  .controls {
    flex-direction: column;
    order: 3;
    gap: 10px;
    padding: 12px;
  }

  .menu {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    border-radius: 20px;
    justify-items: stretch;
    align-items: stretch;
    margin: 16px auto 18px;
  }

  .menu-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    padding: 12px 14px;
    border-radius: 14px;
    text-align: center;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .menu-button.is-active {
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
  }

  .hero-copy {
    order: 1;
  }

  .hero-panel {
    order: 2;
    padding: 16px;
  }

  .hero-panel .panel-kicker {
    margin-bottom: 8px;
  }

  .panel-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .panel-metrics div {
    padding: 12px;
    border-radius: 16px;
  }

  .panel-metrics strong {
    font-size: 1.35rem;
  }

  .panel-metrics span {
    font-size: 0.78rem;
    line-height: 1.35;
  }

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

  .card,
  .card-wide {
    grid-column: span 1;
    padding: 20px;
    border-radius: 24px;
  }

  .field-row,
  .panel-metrics {
    grid-template-columns: 1fr;
  }

  .generator-actions,
  .nickname-item,
  .bio-item,
  .result p,
  .output-head,
  .tool-header {
    flex-direction: column;
    align-items: start;
  }

  .result strong {
    text-align: left;
  }

  .action-button,
  .ghost-button,
  .copy-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 16px, 640px);
  }

  .hero,
  .panel {
    padding: 16px;
    border-radius: 22px;
  }

  .card,
  .card-wide,
  .generator-form,
  .generator-output {
    padding: 18px;
    border-radius: 22px;
  }

  .hero-text {
    margin-top: 12px;
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .hero-panel {
    display: none;
  }

  .controls {
    gap: 8px;
    padding: 10px;
  }

  .control,
  .control-theme {
    padding: 12px 14px;
    border-radius: 16px;
  }

  .menu {
    grid-template-columns: 1fr;
    width: 100%;
    margin: 12px auto 16px;
    padding: 10px;
    border-radius: 18px;
  }

  .menu-button {
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 12px;
  }

  .panel-metrics div,
  .result,
  .empty-state,
  .nickname-item,
  .bio-item {
    padding: 14px;
  }

  .section-heading {
    margin-bottom: 18px;
  }

  .section-kicker,
  .panel-kicker,
  .eyebrow {
    margin-bottom: 8px;
  }
}