/* ════════════════════════════════════════════════
   Dumply — Hub pages (changelog / guide / support)
   데이터 기반 정적 페이지 공용 레이아웃 — styles.css 토큰 재사용
   ════════════════════════════════════════════════ */

.hub {
  max-width: 820px;
  margin: 0 auto;
  padding: 120px clamp(20px, 5vw, 40px) 96px;
}

.hub__head { margin-bottom: 36px; }
.hub__eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; color: var(--text-2);
  margin-bottom: 12px;
}
.hub__eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--feel);
}
.hub h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(28px, 5vw, 42px); letter-spacing: -.01em;
  color: var(--text); margin-bottom: 10px;
}
.hub__lead { font-size: 16px; line-height: 1.65; color: var(--text-body); max-width: 60ch; }

/* ── filter / tabs ── */
.hub__filter {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 28px 0 32px;
}
.hub__filter button {
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  padding: 8px 15px; border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--text-body); cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.hub__filter button:hover { border-color: var(--text-3); }
.hub__filter button[aria-pressed="true"] {
  background: var(--accent); color: var(--accent-text); border-color: var(--accent);
}

/* ── changelog list ── */
.log { display: flex; flex-direction: column; gap: 14px; }
.log__item {
  padding: 22px 24px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.log__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 10px; }
.log__date { font-size: 13px; color: var(--text-3); }
.log__product { font-size: 12px; font-weight: 600; color: var(--text-2); }
.log__ver {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; color: var(--text-2);
  padding: 1px 7px; border-radius: 5px; background: var(--accent-soft);
}
.log__type {
  font-size: 11px; font-weight: 700; letter-spacing: .02em;
  padding: 3px 9px; border-radius: var(--radius-pill);
}
.log__type--new { background: var(--task-soft); color: #3F5A3B; }
.log__type--improve { background: var(--ponder-soft); color: #574878; }
.log__type--fix { background: var(--feel-soft); color: #9A5E4D; }
.log__item h3 { font-size: 16.5px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.log__item p { font-size: 14.5px; line-height: 1.65; color: var(--text-body); }

/* ── guide sections ── */
.guide__group { margin-bottom: 14px; }
.guide__card {
  padding: 24px 26px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); margin-bottom: 14px;
}
.guide__card h3 { font-family: var(--serif); font-weight: 500; font-size: 19px; color: var(--text); margin-bottom: 14px; }
.guide__steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.guide__steps li {
  position: relative; padding-left: 36px; margin-bottom: 12px;
  font-size: 15px; line-height: 1.6; color: var(--text-body);
}
.guide__steps li::before {
  counter-increment: s; content: counter(s);
  position: absolute; left: 0; top: -1px;
  width: 24px; height: 24px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
  background: var(--accent-soft); color: var(--text);
}

/* ── support ── */
.support__grid { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; margin-top: 8px; }
@media (max-width: 640px) { .support__grid { grid-template-columns: 1fr; } }
.support__card {
  padding: 26px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.support__card h2 { font-family: var(--serif); font-weight: 500; font-size: 21px; color: var(--text); margin-bottom: 8px; }
.support__card p { font-size: 14.5px; line-height: 1.6; color: var(--text-body); margin-bottom: 16px; }
.support__form { display: flex; flex-direction: column; gap: 12px; }
.support__form label { font-size: 13px; font-weight: 600; color: var(--text-body); margin-bottom: -4px; }
.support__form input,
.support__form select,
.support__form textarea {
  font-family: var(--sans); font-size: 14.5px; color: var(--text);
  padding: 11px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--bg);
  width: 100%; box-sizing: border-box;
}
.support__form textarea { min-height: 120px; resize: vertical; }
.support__form input:focus,
.support__form select:focus,
.support__form textarea:focus { outline: none; border-color: var(--text-3); }
.support__note { font-size: 13px; color: var(--text-3); margin-top: 4px; }

.hub__back {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 48px; font-size: 14px; font-weight: 600; color: var(--text-body);
}
.hub__back:hover { color: var(--text); }

.hub__empty { padding: 40px; text-align: center; color: var(--text-3); font-size: 15px; }

[hidden] { display: none !important; }