:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --link: #2563eb;
  --link-visited: #1d4ed8;
  --link-hover: #1e40af;
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1120px;
  --font-sans: "Outfit", "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --font-display: "Fraunces", "Georgia", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(37, 99, 235, 0.08), transparent 55%),
    radial-gradient(900px 420px at 95% 0%, rgba(14, 165, 233, 0.06), transparent 50%),
    var(--bg);
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color .18s ease;
}

a:visited {
  color: var(--link-visited);
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.25rem;
  margin: 0 -1.25rem 1.5rem;
  padding: .9rem 1.25rem;
  background: rgba(246, 247, 249, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -.03em;
}

.brand:visited,
.brand:hover {
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1.35rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  font-size: .92rem;
  font-weight: 500;
}

.nav a {
  color: var(--muted);
  padding: .4rem .7rem;
  border-radius: 999px;
  text-decoration: none;
}

.nav a:visited {
  color: var(--muted);
}

.nav a:hover {
  color: var(--text);
  background: rgba(15, 23, 42, 0.04);
  text-decoration: none;
}

.search-form {
  display: flex;
  gap: .45rem;
  margin-left: auto;
}

.search-form input {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .55rem .95rem;
  font: inherit;
  min-width: 12rem;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.search-form input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.search-form button,
.btn {
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--text);
  color: #fff;
  padding: .55rem 1rem;
  font: inherit;
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}

.search-form button:hover,
.btn:hover {
  background: #1e293b;
  text-decoration: none;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

.search-form.big {
  margin: 1rem 0 1.5rem;
  max-width: 34rem;
}

.search-form.big input {
  flex: 1;
  min-width: 0;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.content-grid:has(.side-rail) {
  grid-template-columns: minmax(0, 1fr) 15.5rem;
}

.stage {
  min-width: 0;
}

.side-rail {
  min-width: 0;
  position: sticky;
  top: 5.2rem;
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem 2rem 1.85rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  animation: rise .55s ease both;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -20% -60% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.16), transparent 70%);
  pointer-events: none;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin: 0 0 .85rem;
  padding: .28rem .7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.page-title,
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin: 0 0 .85rem;
  color: var(--text);
}

.page-title {
  border: none;
  padding: 0;
}

.lead {
  color: var(--muted);
  margin: 0;
  font-size: 1.05rem;
  max-width: 38rem;
  line-height: 1.65;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .5rem;
  align-items: center;
  font-size: .88rem;
  color: var(--muted);
  margin: 0 0 1rem;
}

.breadcrumb a {
  color: var(--link);
}

.breadcrumb span[aria-hidden="true"] {
  color: #94a3b8;
}

.section {
  margin: 0 0 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem 1.2rem;
  box-shadow: var(--shadow-sm);
  animation: rise .6s ease both;
}

.section:nth-child(2) { animation-delay: .05s; }
.section:nth-child(3) { animation-delay: .1s; }

.section h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -.02em;
  margin: 0 0 1rem;
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  gap: .55rem;
}

.section h2::before {
  content: "";
  width: .35rem;
  height: 1.1rem;
  border-radius: 999px;
  background: linear-gradient(180deg, #2563eb, #0ea5e9);
}

.panel-sub,
.meta-line {
  color: var(--muted);
  font-size: .9rem;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem .8rem;
  align-items: center;
  margin: .2rem 0 1.15rem;
}

.cat-list,
.article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cat-list {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

.cat-list a {
  display: inline-flex;
  align-items: center;
  padding: .45rem .85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--text);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease, transform .15s ease;
}

.cat-list a:visited {
  color: var(--text);
}

.cat-list a:hover {
  border-color: #bfdbfe;
  background: var(--accent-soft);
  color: var(--link);
  text-decoration: none;
  transform: translateY(-1px);
}

.article-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.article-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.article-list h3 {
  margin: 0 0 .3rem;
  font-size: 1.08rem;
  font-weight: 650;
  letter-spacing: -.015em;
}

.article-list h3 a {
  color: var(--text);
  text-decoration: none;
}

.article-list h3 a:visited {
  color: var(--text);
}

.article-list h3 a:hover {
  color: var(--link);
  text-decoration: none;
}

.article-list p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
}

.article-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.4rem;
  box-shadow: var(--shadow-md);
  animation: rise .55s ease both;
}

.article-body {
  font-size: 1.02rem;
  color: #1e293b;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-family: var(--font-display);
  margin: 1.6rem 0 .55rem;
  line-height: 1.3;
  letter-spacing: -.02em;
  border: none;
  padding: 0;
  color: var(--text);
}

.article-body p {
  margin: .75rem 0;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.article-body pre,
.article-body code {
  font-family: "JetBrains Mono", Consolas, monospace;
  background: #f1f5f9;
}

.article-body pre {
  padding: .9rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.article-body ul,
.article-body ol {
  padding-left: 1.35rem;
}

.related {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.related h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 .85rem;
}

.ad-slot {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: .82rem;
  padding: .5rem 0;
  text-align: center;
  margin: 1.1rem 0;
  border-radius: var(--radius-sm);
  min-height: 90px;
  overflow: hidden;
}

.ad-slot.rail {
  margin-top: 0;
  position: sticky;
  top: 5.2rem;
  min-height: 250px;
}

.ad-slot .adsbygoogle {
  display: block;
  width: 100%;
}

.site-footer {
  margin-top: 2rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}

.site-footer p {
  margin: .25rem 0;
}

.site-footer strong {
  color: var(--text);
  font-family: var(--font-display);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .side-rail,
  .ad-slot.rail {
    position: static;
  }

  .search-form {
    margin-left: 0;
    width: 100%;
  }

  .search-form input {
    flex: 1;
    min-width: 0;
  }

  .site-header {
    align-items: flex-start;
  }

  .hero,
  .section,
  .article-panel {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .brand-name {
    font-size: 1.15rem;
  }

  .nav {
    width: 100%;
  }

  .hero-title,
  .page-title {
    font-size: 1.75rem;
  }
}

/* Admin */
.admin-login-wrap {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.admin-login-card {
  width: min(420px, 100%);
}

.admin-form {
  display: grid;
  gap: .55rem;
  margin-top: 1.25rem;
}

.admin-form label {
  font-size: .9rem;
  font-weight: 600;
  color: var(--muted);
}

.admin-form input {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .7rem .9rem;
  font: inherit;
  background: #fff;
}

.admin-form input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.admin-form .btn {
  margin-top: .6rem;
  justify-self: start;
}

.admin-error {
  margin: 1rem 0 0;
  padding: .7rem .9rem;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.admin-user {
  color: var(--muted);
  font-size: .9rem;
  align-self: center;
  margin-right: .35rem;
}

.admin-stage {
  max-width: none;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .9rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: .35rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: -.03em;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: .7rem .4rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.admin-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: .85rem;
}

.hero-compact {
  padding-bottom: .5rem;
}

.hero-compact .hero-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.util-search {
  margin: 0 0 1.25rem;
}

.util-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.util-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.util-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.util-list h3 {
  margin: 0 0 .35rem;
  font-size: 1.15rem;
}

.util-list p {
  margin: 0;
  color: var(--muted);
}

.utility-list-meta {
  margin: .25rem 0 0;
  font-size: .88rem;
  color: var(--muted);
}

.util-panel {
  display: grid;
  gap: 1rem;
}

.util-convert-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto 1fr 1.2fr;
  gap: .75rem;
  align-items: end;
}

.util-field {
  display: grid;
  gap: .35rem;
}

.util-field label {
  font-size: .85rem;
  color: var(--muted);
  font-weight: 600;
}

.util-field input,
.util-field select,
.util-field textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: .65rem .75rem;
  font: inherit;
  background: #fff;
  color: var(--text);
}

.util-field textarea {
  resize: vertical;
  min-height: 5rem;
}

.util-result input {
  font-weight: 600;
  background: var(--accent-soft);
  border-color: transparent;
}

.util-swap {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius-sm);
  height: 2.6rem;
  min-width: 2.6rem;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text);
}

.util-swap:hover {
  background: var(--accent-soft);
}

.util-primary-btn {
  width: 100%;
  border: none;
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  background: #1e3a8a;
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.util-primary-btn:hover {
  background: #172554;
}

.util-result-box {
  margin-top: .25rem;
  padding: 1.1rem 1rem;
  border-radius: var(--radius-sm);
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  text-align: center;
}

.util-result-box:focus {
  outline: 2px solid #059669;
  outline-offset: 2px;
}

.util-result-label {
  margin: 0 0 .35rem;
  font-size: .85rem;
  color: #166534;
  font-weight: 600;
}

.util-result-value {
  margin: 0;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: #059669;
}

.util-advice-panel {
  display: grid;
  gap: .85rem;
  padding-top: .35rem;
  border-top: 1px dashed var(--border);
}

.util-subhead {
  margin: 0;
  font-size: 1.1rem;
  font-family: var(--font-display);
}

.util-unit-toggle {
  display: inline-flex;
  gap: .35rem;
  padding: .2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  width: fit-content;
}

.util-unit-btn {
  border: none;
  background: transparent;
  border-radius: 999px;
  padding: .4rem .9rem;
  font: inherit;
  font-size: .9rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}

.util-unit-btn.is-active {
  background: #1e3a8a;
  color: #fff;
}

.sw-balance-figure {
  margin: 0;
  padding: .9rem 1rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #f8fafc, #fff);
}

.sw-balance-fig-title {
  margin: 0 0 .55rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}

.sw-balance-svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  margin: 0 auto;
}

.sw-balance-steps {
  margin: .65rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.55;
}

.sw-balance-steps li {
  margin: .3rem 0;
}

.sw-balance-steps strong {
  color: var(--text);
}

.util-advice-box {
  padding: 1rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
}

.util-advice-box.tone-ok {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.util-advice-box.tone-light {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.util-advice-box.tone-heavy {
  background: #fff7ed;
  border-color: #fed7aa;
}

.util-advice-verdict {
  margin: 0 0 .5rem;
  font-weight: 700;
  line-height: 1.45;
}

.util-tips {
  margin: .75rem 0 0;
  padding-left: 1.2rem;
  color: var(--text);
}

.util-tips li {
  margin: .35rem 0;
}

.util-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.util-chip {
  border: 1px solid var(--border-strong);
  background: #fff;
  border-radius: 999px;
  padding: .35rem .75rem;
  font: inherit;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.util-chip:hover {
  background: var(--accent-soft);
  border-color: #93c5fd;
}

.sw-sim-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
  margin: 0 0 .65rem;
}

.sw-sim-table th,
.sw-sim-table td {
  border-bottom: 1px solid var(--border);
  padding: .55rem .4rem;
  text-align: right;
}

.sw-sim-table th:first-child,
.sw-sim-table td:first-child,
.sw-sim-table tbody th {
  text-align: left;
  font-weight: 600;
  color: var(--muted);
}

.sw-sim-table thead th {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 600;
}

.imgc-security {
  padding: .9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid #bbf7d0;
  background: #f0fdf4;
  font-size: .92rem;
}

.imgc-security ul {
  margin: .45rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.imgc-security li {
  margin: .25rem 0;
}

.imgc-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
}

.imgc-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.imgc-preview figure {
  margin: 0;
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
}

.imgc-preview figcaption {
  font-weight: 700;
  margin-bottom: .5rem;
  font-size: .9rem;
}

.imgc-preview img {
  display: block;
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  background:
    linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
    linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
    linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  border-radius: 6px;
}

#imgc-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #fff;
}

#imgc-download:hover {
  color: #fff;
  text-decoration: none;
}

.ico-sizes {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1rem;
  background: #fff;
}

.ico-sizes legend {
  padding: 0 .35rem;
  font-size: .9rem;
  font-weight: 700;
}

.ico-sizes label {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .92rem;
  color: var(--text);
  cursor: pointer;
}

.qr-pane textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: .65rem .75rem;
  font: inherit;
  resize: vertical;
  background: #fff;
  color: var(--text);
}

.qr-check {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .92rem;
  margin: .25rem 0 .5rem;
  cursor: pointer;
}

.qr-result {
  display: grid;
  gap: 1rem;
  justify-items: start;
  margin-top: .5rem;
}

.qr-box {
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  line-height: 0;
}

.qr-box img,
.qr-box canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.imgc-options .util-field input[type="color"] {
  height: 2.6rem;
  padding: .2rem;
  cursor: pointer;
}

.putt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

.putt-panel {
  gap: 1.1rem;
}

.putt-speed-block {
  display: grid;
  gap: .55rem;
}

.putt-speed-toggle {
  width: 100%;
  display: grid;
  gap: .35rem;
  padding: .25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
}

.putt-speed-cols-2 {
  grid-template-columns: 1fr 1fr;
}

.putt-speed-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.putt-speed-cols-4 {
  grid-template-columns: repeat(2, 1fr);
}

.putt-speed-toggle .util-unit-btn {
  border-radius: var(--radius-sm);
  padding: .7rem .4rem;
  font-size: .95rem;
  width: 100%;
}

.putt-slider-card {
  display: grid;
  gap: .45rem;
  padding: .9rem .85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #f8fafc, #fff);
  touch-action: pan-y;
}

.putt-slider-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
}

.putt-slider-title {
  margin: 0;
  font-size: .9rem;
  font-weight: 700;
  color: var(--muted);
}

.putt-slider-value {
  font-size: 1.2rem;
  font-weight: 800;
  color: #1e3a8a;
  text-align: right;
  letter-spacing: -.02em;
}

.putt-slider-ends {
  display: flex;
  justify-content: space-between;
  font-size: .78rem;
  color: var(--muted);
}

.putt-nudge-row {
  display: grid;
  grid-template-columns: 3rem 1fr 3rem;
  gap: .45rem;
  align-items: center;
}

.putt-nudge-btn {
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: #1e3a8a;
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.putt-nudge-btn:hover {
  background: var(--accent-soft);
}

.putt-nudge-btn:active {
  background: #dbeafe;
}

.putt-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2.75rem;
  margin: 0;
  background: transparent;
  cursor: pointer;
}

.putt-range:focus {
  outline: none;
}

.putt-range:focus-visible {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
  border-radius: 8px;
}

.putt-range::-webkit-slider-runnable-track {
  height: .55rem;
  border-radius: 999px;
  background: linear-gradient(90deg, #93c5fd, #1e3a8a 50%, #86efac);
}

.putt-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 1.85rem;
  height: 1.85rem;
  margin-top: -.65rem;
  border-radius: 50%;
  border: 3px solid #fff;
  background: #1e3a8a;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .28);
}

.putt-range::-moz-range-track {
  height: .55rem;
  border-radius: 999px;
  background: linear-gradient(90deg, #93c5fd, #1e3a8a 50%, #86efac);
}

.putt-range::-moz-range-thumb {
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  border: 3px solid #fff;
  background: #1e3a8a;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .28);
}

.putt-hint {
  margin: 0;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.4;
}

.putt-advanced {
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: .55rem .75rem;
}

.putt-advanced summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
  font-size: .9rem;
}

.putt-advanced .util-field {
  margin-top: .65rem;
}

.putt-kv {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .65rem .85rem;
  margin: 0;
}

.putt-kv > div {
  padding: .65rem .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
}

.putt-kv dt {
  margin: 0;
  font-size: .8rem;
  color: var(--muted);
  font-weight: 600;
}

.putt-kv dd {
  margin: .2rem 0 0;
  font-weight: 700;
  font-size: 1.05rem;
}

.putt-mat-figure {
  margin: 0;
  padding: .75rem .7rem .85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, #f8fafc, #fff);
}

.putt-mat-caption {
  margin: 0 0 .55rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
}

.putt-mat-svg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin: 0 auto;
}

.putt-mat-summary {
  margin: .65rem 0 0;
  text-align: center;
  font-size: .92rem;
  font-weight: 600;
  color: #1e3a8a;
  line-height: 1.45;
}

.util-related {
  margin-top: .5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}

.util-related-list {
  list-style: none;
  margin: .65rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.util-related-list a {
  font-weight: 600;
}

.app-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.utility-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.utility-card {
  display: grid;
  gap: .9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}

.utility-card-image {
  aspect-ratio: 16 / 9;
  background: #e2e8f0;
}

.utility-card-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.utility-card-body {
  display: grid;
  gap: .8rem;
  padding: 0 1rem 1rem;
}

.utility-card-title {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
}

.utility-card-summary {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
  line-height: 1.55;
}

.utility-detail-stage {
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

.utility-detail-stage .section {
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
}

.utility-detail-panel {
  display: grid;
  gap: .95rem;
  min-width: 0;
  max-width: 100%;
  overflow-x: clip;
  grid-template-columns: minmax(0, 1fr);
}

.utility-detail-image {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #e2e8f0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: min(45vh, 20rem);
  max-height: min(45vh, 20rem);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: .35rem;
}

.utility-detail-image img,
.utility-detail-screenshot {
  display: block;
  box-sizing: border-box;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  margin: 0 auto;
}

.utility-summary-md {
  color: #1e293b;
  font-size: 1rem;
  line-height: 1.65;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.utility-summary-md p {
  margin: .65rem 0;
}

.utility-summary-md h1,
.utility-summary-md h2,
.utility-summary-md h3,
.utility-summary-md h4 {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.utility-summary-md pre,
.utility-summary-md code {
  font-family: "JetBrains Mono", Consolas, monospace;
  background: #f1f5f9;
  max-width: 100%;
}

.utility-summary-md code {
  overflow-wrap: anywhere;
  word-break: break-word;
  white-space: pre-wrap;
}

.utility-summary-md pre {
  padding: .9rem 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.utility-summary-md ul,
.utility-summary-md ol {
  padding-left: 1.25rem;
}

.utility-summary-md img,
.utility-summary-md video,
.utility-summary-md iframe,
.utility-summary-md svg {
  display: block;
  max-width: 100% !important;
  width: auto !important;
  height: auto !important;
}

.utility-summary-md table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
}

.utility-summary-md a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.utility-card-meta {
  display: grid;
  gap: .55rem;
  margin: 0;
}

.utility-card-meta > div {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: .45rem;
}

.utility-card-meta dt {
  margin: 0;
  color: var(--muted);
  font-size: .84rem;
  font-weight: 600;
}

.utility-card-meta dd {
  margin: 0;
  font-size: .92rem;
  word-break: break-word;
}

.utility-gate {
  display: grid;
  gap: .6rem;
}

.utility-gate-panel {
  display: grid;
  gap: .65rem;
  padding: .85rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: #f8fafc;
}

.utility-gate-message,
.utility-countdown {
  margin: 0;
  font-size: .9rem;
  color: var(--muted);
}

.utility-direct-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #fff;
}

.utility-direct-link:hover {
  color: #fff;
  text-decoration: none;
}

.admin-utility-image-preview {
  margin-top: .5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #f8fafc;
  max-width: 420px;
}

.admin-utility-image-preview img {
  display: block;
  width: 100%;
  height: auto;
}

.app-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: .9rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.app-card:visited {
  color: inherit;
}

.app-card:hover {
  text-decoration: none;
  border-color: #93c5fd;
  box-shadow: var(--shadow-sm);
}

.app-card-icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  overflow: hidden;
  background: #e2e8f0;
  display: grid;
  place-items: center;
}

.app-card-icon img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  display: block;
}

.app-card-fallback {
  font-size: 1.6rem;
  font-weight: 800;
  color: #1e3a8a;
}

.app-card-title {
  margin: 0 0 .25rem;
  font-size: 1.05rem;
  line-height: 1.35;
}

.app-card-summary {
  margin: 0 0 .35rem;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.45;
}

.app-card-meta {
  margin: 0 0 .45rem;
  font-size: .8rem;
  color: var(--muted);
}

.app-card-cta {
  font-size: .85rem;
  font-weight: 700;
  color: #1e3a8a;
}

.admin-row-actions {
  white-space: nowrap;
}

.admin-row-actions a,
.admin-row-actions form {
  margin-right: .45rem;
}

.linkish-btn {
  border: none;
  background: none;
  padding: 0;
  color: var(--link);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.admin-app-form {
  display: grid;
  gap: .85rem;
}

@media (max-width: 860px) {
  .imgc-options,
  .imgc-preview-grid {
    grid-template-columns: 1fr;
  }

  .putt-grid,
  .putt-kv {
    grid-template-columns: 1fr;
  }

  .putt-slider-value {
    font-size: 1.35rem;
  }

  .putt-nudge-btn {
    width: 3.25rem;
    height: 3.25rem;
    font-size: 1.7rem;
  }

  .putt-nudge-row {
    grid-template-columns: 3.25rem 1fr 3.25rem;
  }

  .putt-range {
    height: 3.1rem;
  }

  .putt-range::-webkit-slider-thumb {
    width: 2.1rem;
    height: 2.1rem;
    margin-top: -.78rem;
  }

  .putt-range::-moz-range-thumb {
    width: 2.1rem;
    height: 2.1rem;
  }

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

  .util-convert-row {
    grid-template-columns: 1fr;
  }

  .util-swap {
    width: 100%;
  }

  .utility-detail-stage .breadcrumb {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .utility-detail-stage .hero-title {
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .utility-card-meta > div {
    grid-template-columns: 5rem minmax(0, 1fr);
  }

  .utility-card-meta dd {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .utility-detail-image {
    height: min(40vh, 16rem);
    max-height: min(40vh, 16rem);
  }
}