/* 스펙핏 — 기본 스타일
   다크모드는 3상태입니다: 시스템 설정(기본), 명시적 light, 명시적 dark.
   색은 :root 에 라이트 팔레트를 전부 정의하고, 다크는 토큰만 덮어씁니다. */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-raised: #ffffff;
  --fg: #16181d;
  --fg-muted: #5b6472;
  --border: #e3e6eb;
  --accent: #2b6cb0;
  --accent-soft: #eaf2fb;
  --warn-bg: #fff8e6;
  --warn-border: #e8c766;
  --warn-fg: #6b4e00;
  --radius: 10px;
  --wrap: 46rem;
  --wrap-wide: 64rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0f1115;
    --bg-soft: #161a21;
    --bg-raised: #171b22;
    --fg: #e7eaf0;
    --fg-muted: #99a3b3;
    --border: #262c36;
    --accent: #6aa9e9;
    --accent-soft: #16222f;
    --warn-bg: #241f10;
    --warn-border: #6b5720;
    --warn-fg: #e8c766;
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --bg: #0f1115;
  --bg-soft: #161a21;
  --bg-raised: #171b22;
  --fg: #e7eaf0;
  --fg-muted: #99a3b3;
  --border: #262c36;
  --accent: #6aa9e9;
  --accent-soft: #16222f;
  --warn-bg: #241f10;
  --warn-border: #6b5720;
  --warn-fg: #e8c766;
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, 'Segoe UI', 'Apple SD Gothic Neo',
    'Malgun Gothic', sans-serif;
  font-size: 17px;
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.15rem;
}

.is-list .wrap,
.site-header .wrap,
.site-footer .wrap {
  max-width: var(--wrap-wide);
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
}

/* ---- 접근성 ---- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

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

/* ---- 헤더 ---- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 60px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--fg);
  margin-right: auto;
}
.brand-name {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.brand-tag {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.site-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--fg-muted);
  text-decoration: none;
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.92rem;
}
.site-nav a:hover {
  background: var(--bg-soft);
  color: var(--fg);
}
.site-nav a[aria-current='page'] {
  color: var(--accent);
  background: var(--accent-soft);
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  border-radius: 6px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.theme-toggle:hover {
  color: var(--fg);
}

@media (max-width: 560px) {
  .brand-tag {
    display: none;
  }
}

/* ---- 본문 ---- */

main {
  padding-block: 2rem 3.5rem;
}

h1 {
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.1rem);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 0 0 0.6rem;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.4;
  margin: 2.4rem 0 0.8rem;
  padding-top: 0.4rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.1rem;
  margin: 1.8rem 0 0.6rem;
}

p {
  margin: 0 0 1.1rem;
}

.lead {
  color: var(--fg-muted);
  font-size: 1.02rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--fg-muted);
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.breadcrumb a {
  color: var(--fg-muted);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--accent);
}

.post-head {
  margin-bottom: 1.5rem;
}
.post-meta {
  color: var(--fg-muted);
  font-size: 0.88rem;
  margin: 0;
}

.post-body > :first-child {
  margin-top: 0;
}

ul,
ol {
  padding-left: 1.3rem;
  margin: 0 0 1.1rem;
}
li {
  margin-bottom: 0.35rem;
}
li.task {
  list-style: none;
  margin-left: -1.3rem;
}

blockquote {
  margin: 1.4rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--fg-muted);
}
blockquote p:last-child {
  margin-bottom: 0;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2.4rem 0;
}

code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
  font-size: 0.88em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

pre {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  margin: 0 0 1.3rem;
}
pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: 0.87rem;
  line-height: 1.65;
}

/* 넓은 표가 페이지 전체를 밀지 않도록 자기 안에서만 스크롤합니다. */
.table-wrap {
  overflow-x: auto;
  margin: 0 0 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.93rem;
}
th,
td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
thead th {
  background: var(--bg-soft);
  font-weight: 600;
  white-space: nowrap;
}
tbody tr:last-child td {
  border-bottom: 0;
}

/* ---- 고지 박스 ----
   제휴 고지는 본문과 시각적으로 구별되어야 합니다 (공정위 요구). */

.notice {
  display: block;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin: 0 0 1.8rem;
  font-size: 0.9rem;
  line-height: 1.6;
}
.notice strong {
  display: block;
  color: var(--warn-fg);
  font-weight: 700;
}
.notice span {
  display: block;
  margin-top: 0.3rem;
  color: var(--fg-muted);
}

/* ---- 광고 슬롯 ----
   승인 전에도 자리를 확보해 둡니다. 나중에 삽입하면 CLS 가 발생합니다. */

.ad-slot {
  min-height: 280px;
  margin: 2.5rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

/* ---- 목록 ---- */

.list-head {
  margin-bottom: 1.8rem;
}

.search {
  margin-top: 1.2rem;
}
.search input {
  width: 100%;
  max-width: 26rem;
  padding: 0.6rem 0.85rem;
  font-size: 1rem;
  color: var(--fg);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.search-status {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin: 0.5rem 0 0;
  min-height: 1.3em;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
}

.card a {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: 100%;
  padding: 1rem 1.1rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--fg);
}
.card a:hover {
  border-color: var(--accent);
}
.card-cat {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}
.card-title {
  font-weight: 600;
  line-height: 1.45;
}
.card-desc {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.empty {
  color: var(--fg-muted);
  padding: 2rem 0;
}

.related {
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.related h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.tags {
  margin-top: 2rem;
}
.tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--fg-muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  margin: 0 0.25rem 0.4rem 0;
}

/* ---- VRAM 계산기 ---- */

.vr {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  margin: 1.8rem 0;
  background: var(--bg-raised);
}

.vr-controls {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  margin-bottom: 1rem;
}
.vr-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg-muted);
}
.vr-controls select {
  font-size: 0.95rem;
  padding: 0.5rem 0.6rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-weight: 400;
}

.vr-hint {
  font-size: 0.76rem;
  font-weight: 400;
  color: var(--fg-muted);
  line-height: 1.5;
}
.vr-hint a {
  color: var(--fg-muted);
}

.vr-result {
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin: 0 0 1rem;
}
.vr-headline {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.vr-advice {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
}
.vr-why {
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ---- 쿠팡 상품 위젯 ----
   iframe 은 내용이 축소되지 않아 좁은 화면에서 잘립니다.
   페이지 전체가 밀리지 않도록 자기 안에서만 가로 스크롤시킵니다. */

.coupang-widget {
  margin: 1.8rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.coupang-widget iframe {
  border: 0;
  display: block;
  max-width: none;
}

/* 지금 카드로 충분할 때 덧붙이는 다음 단계 안내.
   결론(충분하다)을 뒤집지 않고, 더 하고 싶을 때 뭐가 필요한지만 알려줍니다. */
.vr-next {
  display: block;
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--fg-muted);
}
.vr-next strong {
  color: var(--fg);
}

/* 구매 버튼 */
.vr-buy {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 7px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}
.vr-buy:hover {
  filter: brightness(1.08);
}
.vr-buy::after {
  content: ' ↗';
  font-weight: 400;
}
.vr-hl {
  color: var(--accent);
}

.vr-details {
  margin-bottom: 0.6rem;
}
.vr-details summary {
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--fg-muted);
  padding: 0.4rem 0;
}
.vr-details summary:hover {
  color: var(--fg);
}
.vr-details[open] summary {
  margin-bottom: 0.7rem;
}
.vr-quant {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg-muted);
  max-width: 18rem;
}
.vr-quant select {
  font-size: 0.92rem;
  padding: 0.4rem 0.5rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  font-weight: 400;
}

.vr-table {
  font-size: 0.9rem;
}
.vr-table .vr-num {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.vr-ex {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.vr-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
  white-space: nowrap;
}
/* 색만으로 구분하지 않도록 라벨 텍스트를 함께 둡니다 (접근성) */
.vr-badge-ok {
  background: #d9f0e0;
  color: #175c33;
}
.vr-badge-tight {
  background: #fdf0cf;
  color: #6b4e00;
}
.vr-badge-slow {
  background: #fbe0d3;
  color: #7a3512;
}
.vr-badge-no {
  background: #f6dada;
  color: #7a1f1f;
}

:root[data-theme='dark'] .vr-badge-ok,
:root:not([data-theme='light']) .vr-badge-ok {
  background: #17311f;
  color: #86d8a3;
}
:root[data-theme='dark'] .vr-badge-tight,
:root:not([data-theme='light']) .vr-badge-tight {
  background: #322a12;
  color: #e8c766;
}
:root[data-theme='dark'] .vr-badge-slow,
:root:not([data-theme='light']) .vr-badge-slow {
  background: #35200f;
  color: #e59a6a;
}
:root[data-theme='dark'] .vr-badge-no,
:root:not([data-theme='light']) .vr-badge-no {
  background: #331717;
  color: #e08585;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) .vr-badge-ok {
    background: #d9f0e0;
    color: #175c33;
  }
  :root:not([data-theme='dark']) .vr-badge-tight {
    background: #fdf0cf;
    color: #6b4e00;
  }
  :root:not([data-theme='dark']) .vr-badge-slow {
    background: #fbe0d3;
    color: #7a3512;
  }
  :root:not([data-theme='dark']) .vr-badge-no {
    background: #f6dada;
    color: #7a1f1f;
  }
}

.vr-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin: 0.9rem 0 0;
  line-height: 1.6;
}

/* ---- 푸터 ---- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding-block: 1.8rem 2.4rem;
  font-size: 0.87rem;
  color: var(--fg-muted);
}
.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0 0 0.7rem;
}
.footer-note {
  margin: 0 0 0.7rem;
  max-width: 40rem;
}
.footer-copy {
  margin: 0;
  font-size: 0.82rem;
}