/* =========================================================
   Trend Desk — Main Stylesheet
   tokens.css가 먼저 로드되어 :root 변수와 다크 테마가 정의됨.
   ========================================================= */

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: var(--fs-body)/var(--lh-body) var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--duration) var(--ease),
              color var(--duration) var(--ease);
}

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

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

/* =========================================================
   Layout — max-w-7xl 컨테이너
   ========================================================= */
.layout {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-6) var(--space-6) var(--space-9);
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
}

/* =========================================================
   Masthead
   ========================================================= */
.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--rule);
}

.masthead__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font: 500 16px/1 var(--font-serif);
  letter-spacing: -0.01em;
}

.masthead__mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, var(--accent) 0 35%, transparent 36%),
    radial-gradient(circle at 70% 70%, var(--fg) 0 30%, transparent 31%);
  flex-shrink: 0;
}

.masthead__title {
  font-weight: 600;
}

.masthead__nav {
  display: flex;
  gap: var(--space-5);
  justify-content: center;
}

.masthead__link {
  position: relative;
  font: 500 14px/1 var(--font-sans);
  color: var(--muted);
  padding: 6px 2px;
  transition: color var(--duration) var(--ease);
}

.masthead__link:hover { color: var(--fg); }

.masthead__link.is-active {
  color: var(--fg);
}

.masthead__link.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 2px;
  background: var(--accent);
}

.masthead__meta {
  text-align: right;
  font: 500 12px/1 var(--font-mono);
  color: var(--meta-fg);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-7);
  align-items: end;
  padding: var(--space-6) 0 var(--space-3);
}

.hero__kicker {
  grid-column: 1 / -1;
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-4);
}

.hero__headline {
  grid-column: 1 / 2;
  font: 600 var(--fs-display)/1.08 var(--font-serif);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-5);
  text-wrap: balance;
}

.hero__lede {
  grid-column: 1 / 2;
  max-width: 56ch;
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-soft);
  margin: 0 0 var(--space-5);
}

.hero__actions {
  grid-column: 1 / 2;
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 var(--space-5);
  border-radius: 999px;
  font: 500 14px/1 var(--font-sans);
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--duration) var(--ease);
}

.btn--primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

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

.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn--ghost:hover {
  background: var(--surface);
  border-color: var(--fg);
}

.hero__stats {
  grid-column: 2 / 3;
  grid-row: 2 / span 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px solid var(--rule);
  padding-left: var(--space-5);
}

.hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat__num {
  font: 600 36px/1 var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--fg);
}

.stat__label {
  font: 500 13px/1 var(--font-sans);
  color: var(--meta-fg);
  letter-spacing: 0.02em;
}

/* =========================================================
   Filter bar
   ========================================================= */
.filterbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.filterbar__row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.filterbar__row--meta {
  justify-content: space-between;
  padding-top: var(--space-2);
}

.filterbar__label {
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--meta-fg);
  width: 56px;
  flex-shrink: 0;
}

.filterbar__hint {
  font: 500 12px/1 var(--font-mono);
  color: var(--meta-fg);
  letter-spacing: 0.04em;
}

.filterbar__hint strong { color: var(--fg); font-weight: 600; }

.chips {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.chip {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px;
  font: 500 13px/1 var(--font-sans);
  color: var(--fg-soft);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

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

.chip.is-active {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.select {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  background: var(--surface);
}

.select__label {
  font: 500 11px/1 var(--font-mono);
  color: var(--meta-fg);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.select select {
  appearance: none;
  border: 0;
  background: transparent;
  font: 500 13px/1 var(--font-sans);
  color: var(--fg);
  cursor: pointer;
  padding-right: 14px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 8px) 50%, calc(100% - 4px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}

.select select:focus { outline: none; }

/* =========================================================
   Main grid — featured + 6 cards + sidepanel
   ========================================================= */
.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  grid-template-areas:
    "featured featured"
    "cards    sidepanel";
  gap: var(--space-6);
}

.card--featured { grid-area: featured; }
.sidepanel       { grid-area: sidepanel; }

/* 카드 그리드: featured는 2열 span, 일반 카드는 1열씩 3열 그리드 */
.card { grid-column: span 1; }

.cards-row {
  grid-area: cards;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

/* cards-row를 .grid 안에 직접 넣지 않고, 카드를 grid의 cards 영역에 배치 */
.grid > .card:not(.card--featured) {
  grid-column: span 1;
  grid-row: auto;
}

/* 카드 그리드 영역을 명시적으로 분리 */
.grid {
  /* 위에서 정의한 영역을 카드들이 채우도록 다시 정의 */
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) 320px;
  grid-template-areas:
    "featured featured featured sidepanel"
    "card1    card2    card3    sidepanel"
    "card4    card5    card6    sidepanel";
  row-gap: var(--space-6);
}

.grid > .card--featured { grid-area: featured; }
.grid > .card:nth-of-type(2) { grid-area: card1; }
.grid > .card:nth-of-type(3) { grid-area: card2; }
.grid > .card:nth-of-type(4) { grid-area: card3; }
.grid > .card:nth-of-type(5) { grid-area: card4; }
.grid > .card:nth-of-type(6) { grid-area: card5; }
.grid > .card:nth-of-type(7) { grid-area: card6; }
.grid > .sidepanel { grid-area: sidepanel; }

/* =========================================================
   Card
   ========================================================= */
.card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.card:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.card--featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface);
}

.card--featured .card__media {
  aspect-ratio: auto;
  min-height: 380px;
}

/* 결정적인 한 번의 플러리시 — featured만 노이즈 텍스처 */
.card__noise {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      45deg,
      transparent 0 2px,
      oklch(0% 0 0 / 0.025) 2px 3px
    ),
    linear-gradient(135deg, var(--accent-soft), var(--highlight));
}

.card__noise::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, var(--accent) 0 8%, transparent 12%),
    radial-gradient(circle at 20% 80%, var(--fg) 0 4%, transparent 8%);
  opacity: 0.7;
}

/* 일반 카드의 grain — 각각 다른 결 */
.card__grain {
  position: absolute;
  inset: 0;
}

.card__grain--01 {
  background:
    repeating-linear-gradient(0deg, var(--border) 0 1px, transparent 1px 18px),
    linear-gradient(180deg, var(--highlight), var(--bg-elev));
}
.card__grain--02 {
  background:
    radial-gradient(circle at 30% 40%, var(--accent) 0 18%, transparent 22%),
    radial-gradient(circle at 70% 70%, var(--fg-soft) 0 12%, transparent 16%),
    var(--surface);
}
.card__grain--03 {
  background:
    linear-gradient(90deg, var(--fg) 0 4px, transparent 4px 100%),
    repeating-linear-gradient(180deg, transparent 0 12px, var(--border-soft) 12px 13px),
    var(--bg-elev);
}
.card__grain--04 {
  background:
    repeating-linear-gradient(135deg, var(--border) 0 1px, transparent 1px 14px),
    radial-gradient(circle at 50% 50%, var(--accent-soft), var(--surface));
}
.card__grain--05 {
  background:
    linear-gradient(180deg, var(--surface), var(--accent-soft));
  position: relative;
}
.card__grain--05::before {
  content: '';
  position: absolute;
  inset: 24% 18%;
  border: 1.5px solid var(--fg);
  border-radius: 50%;
}
.card__grain--06 {
  background:
    repeating-linear-gradient(0deg, var(--fg-soft) 0 2px, transparent 2px 28px),
    var(--bg-elev);
}

.card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 2;
  background: var(--fg);
  color: var(--bg);
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card__body--featured {
  padding: var(--space-6);
  justify-content: center;
}

.tag {
  align-self: flex-start;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tag-fg);
  background: var(--tag-bg);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
}

.tag--accent {
  color: var(--accent);
  background: var(--accent-soft);
}

.card__title {
  font: 600 19px/1.3 var(--font-serif);
  letter-spacing: -0.01em;
  margin: 0;
  text-wrap: balance;
}

.card__title--featured {
  font-size: clamp(28px, 2.4vw, 34px);
  letter-spacing: -0.02em;
  margin: var(--space-1) 0;
}

.card__excerpt {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card--featured .card__excerpt {
  -webkit-line-clamp: 5;
}

.card__meta {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font: 500 12px/1.4 var(--font-sans);
  color: var(--meta-fg);
}

.byline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: grid;
  place-items: center;
  font: 600 11px/1 var(--font-sans);
}

.card__dot { opacity: 0.6; }

/* =========================================================
   Sidepanel
   ========================================================= */
.sidepanel {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: 200px;
  align-self: start;
}

.sidepanel__section {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.sidepanel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--rule);
}

.sidepanel__title {
  font: 600 15px/1.2 var(--font-serif);
  letter-spacing: -0.01em;
  margin: 0;
}

.sidepanel__count {
  font: 500 11px/1 var(--font-mono);
  color: var(--meta-fg);
  letter-spacing: 0.1em;
  background: var(--tag-bg);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.sidepanel__list {
  list-style: none;
  counter-reset: tdl;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sidepanel__list li {
  counter-increment: tdl;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-2) 0;
  border-bottom: 1px dashed var(--border-soft);
}

.sidepanel__list li:last-child { border-bottom: 0; }

.sidepanel__list li::before {
  content: counter(tdl, decimal-leading-zero);
  font: 500 10px/1 var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.sidepanel__list a {
  font: 500 14px/1.4 var(--font-sans);
  color: var(--fg);
}

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

.sidepanel__meta {
  font: 400 12px/1 var(--font-sans);
  color: var(--meta-fg);
}

.sidepanel__note {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.55;
  color: var(--meta-fg);
}

.sidepanel__saved {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.saved {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-2);
  border-radius: var(--radius);
  border: 1px solid var(--border-soft);
}

.saved__thumb {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
}

.saved__thumb--01 {
  background: repeating-linear-gradient(0deg, var(--border) 0 1px, transparent 1px 8px), var(--accent-soft);
}
.saved__thumb--02 {
  background: radial-gradient(circle at 50% 50%, var(--accent) 0 24%, transparent 28%), var(--highlight);
}

.saved__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.saved__title {
  font: 500 13px/1.3 var(--font-sans);
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.saved__meta {
  font: 400 11px/1 var(--font-mono);
  color: var(--meta-fg);
  letter-spacing: 0.04em;
}

.saved__close {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  width: 24px;
  height: 24px;
  font: 500 16px/1 var(--font-sans);
  cursor: pointer;
  border-radius: 50%;
}

.saved__close:hover {
  background: var(--surface);
  color: var(--fg);
}

.sidepanel__more {
  display: inline-block;
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--rule);
  width: 100%;
  font: 500 13px/1 var(--font-sans);
  color: var(--accent);
}

.sidepanel__more:hover { text-decoration: underline; }

/* =========================================================
   Footer
   ========================================================= */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: var(--space-5);
  border-top: 1px solid var(--rule);
  margin-top: var(--space-6);
}

.footer__copy {
  margin: 0;
  font: 500 13px/1 var(--font-sans);
  color: var(--fg-soft);
}

.footer__note {
  margin: 0;
  font: 400 12px/1 var(--font-mono);
  color: var(--meta-fg);
  letter-spacing: 0.06em;
}

/* =========================================================
   Responsive — Tablet
   ========================================================= */
@media (max-width: 1080px) {
  .layout { padding: var(--space-5) var(--space-5) var(--space-8); }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "featured  featured"
      "card1     card2"
      "card3     card4"
      "card5     card6"
      "sidepanel sidepanel";
  }

  .sidepanel {
    position: static;
    flex-direction: row;
    gap: var(--space-4);
  }

  .sidepanel__section { flex: 1; }
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .hero__headline { grid-column: 1; font-size: 36px; }
  .hero__lede { grid-column: 1; }
  .hero__actions { grid-column: 1; }
  .hero__stats {
    grid-column: 1;
    grid-row: auto;
    flex-direction: row;
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: var(--space-4);
    gap: var(--space-6);
  }
  .stat__num { font-size: 28px; }

  .masthead {
    grid-template-columns: 1fr auto;
  }
  .masthead__nav { display: none; }

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

  .card--featured .card__media { min-height: 220px; }
}

/* =========================================================
   Responsive — Mobile
   ========================================================= */
@media (max-width: 640px) {
  .layout {
    padding: 84px var(--space-4) var(--space-7);
    gap: var(--space-5);
  }

  .filterbar__row {
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .filterbar__label {
    width: 100%;
  }

  .filterbar__row--meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "featured"
      "card1"
      "card2"
      "card3"
      "card4"
      "card5"
      "card6"
      "sidepanel";
  }

  .sidepanel {
    flex-direction: column;
  }

  .hero__stats {
    gap: var(--space-5);
  }

  .hero__headline {
    font-size: 30px;
    line-height: 1.15;
  }

  .hero__actions {
    flex-direction: column;
  }
  .btn { width: 100%; }

  .footer {
    flex-direction: column;
    gap: var(--space-2);
    align-items: flex-start;
  }
}

/* =========================================================
   Print — 잡지 스타일 PDF 출력도 부드럽게
   ========================================================= */
@media print {
  body { background: #fff; color: #000; }
  .ctrl-panel, .sidepanel { display: none; }
}