:root {
  color-scheme: light;
  --bg: #f5f7f2;
  --ink: #18201b;
  --muted: #647066;
  --line: #cfd8cf;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-solid: #ffffff;
  --accent: #226b5f;
  --accent-strong: #174a43;
  --amber: #d58a23;
  --rust: #a84f34;
  --blue: #356a9a;
  --shadow: 0 18px 48px rgba(31, 47, 38, 0.14);
}

:root.dark {
  color-scheme: dark;
  --bg: #121613;
  --ink: #eef3ed;
  --muted: #a8b4aa;
  --line: #334039;
  --panel: rgba(26, 34, 29, 0.88);
  --panel-solid: #1b241f;
  --accent: #62b8a9;
  --accent-strong: #9bd8ce;
  --amber: #f0b15d;
  --rust: #dc7f68;
  --blue: #82acd1;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Noto Sans KR", Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

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

#blueprintCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.52;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 18px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.8rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

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

.icon-button,
.primary-button,
.tab {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  color: var(--ink);
  cursor: pointer;
}

.icon-button {
  width: 42px;
  padding: 0;
  font-size: 1.1rem;
}

.primary-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
  font-weight: 800;
  text-decoration: none;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 42px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 14px;
  margin-top: 18px;
  align-items: stretch;
}

.command-panel,
.section-block,
.crypto-sentiment-panel,
.guestbook-panel,
.tool-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.command-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: end;
  padding: 18px;
}

.owned-sites {
  order: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 0;
}

.featured-site,
.owned-site-list a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  backdrop-filter: blur(16px);
  transition: transform 160ms ease, border-color 160ms ease;
}

.featured-site:hover,
.featured-site:focus-visible,
.owned-site-list a:hover,
.owned-site-list a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.featured-site {
  display: grid;
  gap: 7px;
  min-height: 118px;
  padding: 15px;
  background: var(--panel-solid);
}

.featured-kicker {
  align-self: start;
  justify-self: start;
  border-radius: 999px;
  background: rgba(34, 107, 95, 0.1);
  color: var(--accent-strong);
  padding: 4px 8px;
  font-size: 0.7rem;
  font-weight: 900;
}

.featured-site strong {
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  line-height: 1.1;
}

.featured-site > span:not(.featured-kicker) {
  max-width: 560px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.featured-site em {
  align-self: end;
  justify-self: start;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 900;
}

.owned-site-list {
  display: grid;
  gap: 10px;
}

.owned-site-list a {
  display: grid;
  gap: 6px;
  min-height: 0;
  padding: 13px;
}

.owned-site-list strong {
  font-size: 1rem;
}

.owned-site-list span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

.profile-panel {
  order: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px;
  backdrop-filter: blur(16px);
}

.profile-main {
  display: grid;
  align-content: start;
  gap: 11px;
}

.profile-kicker {
  justify-self: start;
  border-radius: 999px;
  background: rgba(53, 106, 154, 0.14);
  color: var(--blue);
  padding: 4px 8px;
  font-size: 0.7rem;
  font-weight: 900;
  text-transform: uppercase;
}

.profile-main h2 {
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  line-height: 1.15;
}

.profile-main p,
.profile-points span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.profile-tags span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-solid);
  color: var(--accent-strong);
  padding: 5px 9px;
  font-size: 0.74rem;
  font-weight: 850;
}

.profile-points {
  display: grid;
  gap: 10px;
}

.profile-points article {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  padding: 13px;
}

.profile-points strong {
  font-size: 0.95rem;
}

.search-wrap label,
.converter label,
.calc-grid label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.search-wrap input,
.converter input,
.converter select,
.calc-grid input,
form input,
form select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  color: var(--ink);
  padding: 0 12px;
  outline: none;
}

.search-wrap input:focus,
.converter input:focus,
.converter select:focus,
.calc-grid input:focus,
form input:focus,
form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 107, 95, 0.16);
}

.quick-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(82px, 1fr));
  gap: 10px;
}

.quick-stats div {
  min-width: 82px;
  border-left: 4px solid var(--accent);
  padding: 8px 10px;
  background: rgba(34, 107, 95, 0.08);
}

.quick-stats strong,
.quick-stats span {
  display: block;
}

.quick-stats strong {
  font-size: 1.35rem;
}

.quick-stats span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 18px;
}

.sidebar {
  position: sticky;
  top: 16px;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  align-self: start;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 10px;
  backdrop-filter: blur(16px);
}

.tab {
  min-height: 38px;
  text-align: center;
  padding: 0 10px;
  font-size: 0.84rem;
  font-weight: 800;
}

.tab.active {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

.content-stack {
  display: grid;
  gap: 18px;
}

.section-block,
.crypto-sentiment-panel,
.guestbook-panel,
.tool-panel {
  padding: 18px;
}

.guestbook-panel {
  margin-top: 18px;
}

.guestbook-notice {
  display: grid;
  gap: 4px;
  border: 1px solid rgba(168, 79, 52, 0.22);
  border-radius: 8px;
  background: rgba(168, 79, 52, 0.08);
  color: var(--muted);
  padding: 11px 12px;
  margin-bottom: 12px;
}

.guestbook-notice strong {
  color: var(--rust);
  font-size: 0.82rem;
}

.guestbook-notice span {
  font-size: 0.82rem;
  line-height: 1.48;
}

.guestbook-form {
  display: grid;
  grid-template-columns: minmax(120px, 0.24fr) minmax(0, 1fr) auto;
  gap: 10px;
  margin-bottom: 12px;
}

.guestbook-form input {
  min-width: 0;
}

.guestbook-form .primary-button {
  min-height: 42px;
}

.guestbook-hp {
  position: absolute;
  left: -9999px;
  width: 1px !important;
  height: 1px;
  opacity: 0;
}

.guestbook-admin {
  justify-self: start;
  margin: -4px 0 12px;
  color: var(--muted);
  font-size: 0.78rem;
}

.guestbook-admin summary {
  cursor: pointer;
  font-weight: 850;
}

.guestbook-admin label {
  display: grid;
  gap: 6px;
  margin-top: 8px;
  font-weight: 800;
}

.guestbook-admin input {
  width: min(220px, 100%);
}

.guestbook-list {
  display: grid;
  gap: 8px;
}

.guestbook-message {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  padding: 12px;
}

.guestbook-message header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.guestbook-message header span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.guestbook-message strong {
  font-size: 0.9rem;
}

.guestbook-message time {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  white-space: nowrap;
}

.guestbook-delete {
  min-height: 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  padding: 0 8px;
  cursor: pointer;
  font-size: 0.7rem;
  font-weight: 850;
}

.guestbook-delete:hover,
.guestbook-delete:focus-visible {
  border-color: var(--rust);
  color: var(--rust);
}

.guestbook-message p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.48;
  overflow-wrap: anywhere;
}

.section-head,
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.section-head > div {
  display: grid;
  gap: 5px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.section-head span,
.section-head a,
.panel-head span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.section-head a {
  text-decoration: none;
}

.section-head a:hover,
.section-head a:focus-visible {
  color: var(--accent-strong);
}

.crypto-sentiment-panel {
  display: grid;
  gap: 2px;
}

.fear-widget-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  min-height: 178px;
}

.fear-widget-shell cs-widget {
  display: block;
  width: 100%;
}

.sub-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: -2px 0 14px;
}

.sub-filter {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-solid);
  color: var(--muted);
  padding: 0 10px;
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 850;
}

.sub-filter.active {
  background: rgba(34, 107, 95, 0.12);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.link-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 8px;
  min-height: 138px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  color: var(--ink);
  padding: 13px;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.link-card:hover,
.link-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 12px 26px rgba(31, 47, 38, 0.14);
}

.link-card strong {
  font-size: 0.98rem;
}

.link-card > span:not(.favicon-wrap) {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.favicon-wrap {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.favicon-wrap img,
.favicon-fallback {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  object-fit: contain;
  padding: 3px;
}

.favicon-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 900;
}

.favicon-wrap em {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.74rem;
  font-style: normal;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.category-chip {
  align-self: end;
  justify-self: start;
  border-radius: 999px;
  padding: 4px 8px;
  background: rgba(34, 107, 95, 0.12);
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 800;
}

.category-mechanical .category-chip,
.category-material .category-chip,
.category-fitting .category-chip,
.category-safety .category-chip,
.category-parts .category-chip,
.category-pneumatic .category-chip {
  background: rgba(213, 138, 35, 0.18);
  color: var(--amber);
}

.category-learning .category-chip,
.category-travel .category-chip {
  background: rgba(53, 106, 154, 0.16);
  color: var(--blue);
}

.category-my-site .category-chip,
.category-tech .category-chip {
  background: rgba(53, 106, 154, 0.16);
  color: var(--blue);
}

.category-utility .category-chip,
.category-toolbox .category-chip {
  background: rgba(34, 107, 95, 0.14);
  color: var(--accent-strong);
}

.category-data .category-chip,
.category-research .category-chip,
.category-cloud .category-chip,
.category-ai .category-chip,
.category-vibe .category-chip,
.category-dev-platform .category-chip,
.category-dev-playground .category-chip,
.category-dev-docs .category-chip,
.category-deploy .category-chip,
.category-photo .category-chip,
.category-map .category-chip {
  background: rgba(53, 106, 154, 0.16);
  color: var(--blue);
}

.category-hardware .category-chip,
.category-printing .category-chip,
.category-cad-library .category-chip,
.category-cad-tool .category-chip,
.category-metal .category-chip,
.category-maker .category-chip {
  background: rgba(213, 138, 35, 0.18);
  color: var(--amber);
}

.category-crypto-exchange .category-chip,
.category-crypto-data .category-chip,
.category-crypto-sentiment .category-chip,
.category-crypto-mining .category-chip,
.category-crypto-community .category-chip,
.category-crypto .category-chip {
  background: rgba(168, 79, 52, 0.16);
  color: var(--rust);
}

.category-career .category-chip {
  background: rgba(34, 107, 95, 0.14);
  color: var(--accent-strong);
}

.category-volunteer .category-chip,
.category-finance .category-chip,
.category-vehicle .category-chip,
.category-realestate .category-chip,
.category-shopping .category-chip,
.category-deal .category-chip,
.category-price .category-chip,
.category-shopping-guide .category-chip,
.category-shoppinghub .category-chip,
.category-life .category-chip {
  background: rgba(34, 107, 95, 0.14);
  color: var(--accent-strong);
}

.category-wallpaper .category-chip,
.category-repair .category-chip,
.category-media .category-chip {
  background: rgba(53, 106, 154, 0.16);
  color: var(--blue);
}

.category-food .category-chip {
  background: rgba(213, 138, 35, 0.18);
  color: var(--amber);
}

.category-community .category-chip,
.category-content .category-chip,
.category-game-patch .category-chip,
.category-play .category-chip {
  background: rgba(168, 79, 52, 0.16);
  color: var(--rust);
}

.category-game .category-chip {
  background: rgba(168, 79, 52, 0.16);
  color: var(--rust);
}

.category-calculator .category-chip {
  background: rgba(34, 107, 95, 0.14);
  color: var(--accent-strong);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.converter,
.game-panel {
  display: grid;
  gap: 12px;
}

output {
  display: block;
  border-radius: 8px;
  background: rgba(34, 107, 95, 0.1);
  padding: 12px;
  color: var(--accent-strong);
  font-weight: 900;
}

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

.big-output {
  margin-top: 12px;
  font-size: 1.05rem;
}

.game-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.game-options button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.game-options button.correct {
  border-color: var(--accent);
  background: rgba(34, 107, 95, 0.14);
}

.game-options button.wrong {
  border-color: var(--rust);
  background: rgba(168, 79, 52, 0.12);
}

.game-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

#timer {
  color: var(--muted);
  font-weight: 900;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .command-panel,
  .guestbook-form,
  .intro-grid,
  .owned-sites,
  .profile-panel,
  .layout,
  .tool-grid {
    grid-template-columns: 1fr;
  }

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

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .tab {
    text-align: center;
  }

}

@media (max-width: 560px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .quick-stats,
  .sidebar,
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .section-head,
  .guestbook-message header,
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }
}