/* =============================================================
   BRUTALIST.CSS — HS108 Design System
   Buttons · Tags · Cards · Components
   ============================================================= */

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font-mono);
  font-size: var(--size-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: var(--border-width) solid var(--border);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
  border-radius: 0;
}

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

.btn--outline {
  background: transparent;
  color: var(--black-native);
  border-color: var(--black-native);
}
.btn--outline:hover {
  background: var(--action-primary-bg);
  color: var(--action-primary-fg);
  border-color: var(--action-primary-bg);
}

.btn--outline-inv {
  background: transparent;
  color: var(--text-on-dark);
  border-color: rgba(214, 242, 236, 0.3);
}
.btn--outline-inv:hover {
  background: var(--action-primary-bg);
  color: var(--action-primary-fg);
  border-color: var(--action-primary-bg);
}

.btn--ghost {
  background: transparent;
  color: var(--black-native);
  border-color: transparent;
  padding-inline: 0;
}
.btn--ghost:hover { color: var(--accent); }

.btn--sm {
  padding: 8px 16px;
  font-size: 10px;
}

/* ── Tags ───────────────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: var(--border-width) solid var(--border);
  font-family: var(--font-mono);
  font-size: var(--size-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  border-radius: 0;
}

.tag--accent {
  background: var(--action-primary-bg);
  border-color: var(--action-primary-bg);
  color: var(--action-primary-fg);
}

.tag--inv {
  border-color: rgba(214, 242, 236, 0.3);
  color: var(--text-on-dark);
}

.tag--muted {
  opacity: 0.5;
  border-color: currentColor;
}

/* ── Stat strip ─────────────────────────────────────────────── */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: var(--border-width) solid var(--border);
  border-left: var(--border-width) solid var(--border);
}

.stat-strip > * {
  border-right: var(--border-width) solid var(--border);
  border-bottom: var(--border-width) solid var(--border);
  padding: var(--space-card);
}

@media (max-width: 640px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ── Entry card (archive / journal) ─────────────────────────── */
.entry-card {
  border: var(--border-width) solid var(--border);
  padding: var(--space-card);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: background var(--transition);
  cursor: pointer;
}

.entry-card:hover { background: var(--surface-elevated); }

.entry-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.entry-card__title {
  font-family: var(--font-display);
  font-size: var(--size-h3);
  font-weight: 400;
  font-style: italic;
  line-height: 1.15;
  flex: 1;
}

.entry-card__thesis {
  font-family: var(--font-body);
  font-size: var(--size-small);
  opacity: 0.6;
  line-height: 1.55;
}

.entry-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: var(--border-width) solid var(--border);
}

/* ── Zine issue card ─────────────────────────────────────────── */
.zine-card {
  border: var(--border-width) solid var(--border);
  display: flex;
  flex-direction: column;
  transition: background var(--transition);
}

.zine-card:hover { background: var(--surface-elevated); }

.zine-card__cover {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--black-native);
  position: relative;
  border-bottom: var(--border-width) solid var(--border);
}

.zine-card__cover-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: var(--text-on-dark);
}

.zine-card__body { padding: var(--space-card); display: flex; flex-direction: column; gap: 0.75rem; }

.zine-card__num {
  font-family: var(--font-mono);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 400;
  line-height: 1;
  opacity: 0.12;
  position: absolute;
  top: 1rem;
  right: 1rem;
}

/* ── Journal row ─────────────────────────────────────────────── */
.journal-row {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: start;
  gap: 2rem;
  padding-block: 1.75rem;
  border-bottom: var(--border-width) solid var(--border);
  transition: background var(--transition);
}

.journal-row:hover { background: var(--surface-elevated); padding-inline: 1rem; }

.journal-row__date { opacity: 0.4; padding-top: 4px; }

.journal-row__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
}

.journal-row__sub {
  font-size: var(--size-small);
  opacity: 0.5;
  margin-top: 0.35rem;
  font-family: var(--font-body);
}

@media (max-width: 768px) {
  .journal-row { grid-template-columns: 1fr; gap: 0.75rem; }
  .journal-row:hover { padding-inline: 0.5rem; }
}

/* ── Featured zine (homepage) ───────────────────────────────── */
.zine-featured {
  display: grid;
  grid-template-columns: 1fr 2fr;
  border: var(--border-width) solid var(--border);
  gap: 0;
}

.zine-featured__cover {
  background: var(--black-native);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: var(--text-on-dark);
  border-right: var(--border-width) solid var(--border);
  position: relative;
  overflow: hidden;
}

.zine-featured__body {
  padding: clamp(1.5rem, 3vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: flex-end;
}

@media (max-width: 900px) {
  .zine-featured { grid-template-columns: 1fr; }
  .zine-featured__cover { min-height: 300px; }
}

/* ── Navigation ─────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: stretch;
  border-bottom: var(--border-width) solid var(--border);
  background: var(--bg);
}

.nav__wordmark {
  display: flex;
  align-items: center;
  padding-inline: var(--gutter);
  border-right: var(--border-width) solid var(--border);
  gap: 0.5rem;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  align-items: stretch;
  flex: 1;
  padding-inline: var(--gutter);
  gap: 0;
}

.nav__link {
  display: flex;
  align-items: center;
  padding-inline: 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--size-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-right: var(--border-width) solid var(--border);
  transition: background var(--transition), color var(--transition);
  gap: 8px;
}

.nav__link:hover, .nav__link.active {
  background: var(--accent);
  color: var(--black-native);
}

.nav__mode-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.nav__right {
  display: flex;
  align-items: center;
  padding-inline: var(--gutter);
  border-left: var(--border-width) solid var(--border);
  margin-left: auto;
}

@media (max-width: 768px) {
  .nav__links { padding-inline: 0; }
  .nav__link { padding-inline: 0.75rem; }
  .nav__link span.label-text { display: none; }
}

/* ── Year marker (archive / journal grouping) ───────────────── */
.year-marker {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.year-marker__label {
  font-size: var(--size-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.35;
  white-space: nowrap;
  flex-shrink: 0;
}

.year-marker__rule {
  flex: 1;
  height: 1px;
  background: var(--border);
  opacity: 0.2;
}

/* ── Entry row (archive / journal listing) ──────────────────── */
.entry-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: baseline;
  column-gap: 2rem;
  padding-block: 1.25rem;
  border-bottom: var(--border-width) solid var(--border);
  transition: background var(--transition);
}

.entry-row:hover { background: var(--surface-elevated); }

.entry-row__type {
  font-family: var(--font-mono);
  font-size: var(--size-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.4;
  white-space: nowrap;
  padding-top: 3px; /* optical alignment with display baseline */
}

.entry-row__main {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.entry-row__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 22px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.2;
  transition: color var(--transition);
}

.entry-row:hover .entry-row__title { color: var(--accent); }

.entry-row__desc {
  font-family: var(--font-body);
  font-size: var(--size-small);
  opacity: 0.5;
  line-height: 1.5;
}

.entry-row__date {
  font-family: var(--font-mono);
  font-size: var(--size-label);
  letter-spacing: 0.06em;
  opacity: 0.4;
  white-space: nowrap;
  padding-top: 3px;
}

@media (max-width: 640px) {
  .entry-row {
    grid-template-columns: 1fr auto;
    row-gap: 0.5rem;
  }
  .entry-row__main { grid-column: 1 / -1; }
}

/* ── Archive filter bar ─────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: var(--border-width) solid var(--border);
  overflow-x: auto;
}

.filter-bar__item {
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: var(--size-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-right: var(--border-width) solid var(--border);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  background: none;
  color: var(--fg);
  border-radius: 0;
  border-top: none;
  border-left: none;
  border-bottom: none;
}

.filter-bar__item:last-child { border-right: none; }

.filter-bar__item:hover,
.filter-bar__item.active {
  background: var(--accent);
  color: var(--black-native);
}