/* layout.css — 3-column grid, fixed footer, sticky ads */
.kr-page {
  display: grid;
  grid-template-columns: 180px 1fr 180px;
  grid-template-areas: "left main right";
  gap: 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem;
  width: 100%;
  min-height: calc(100vh - var(--footer-h) - 52px);
}
.kr-main       { grid-area: main; min-width: 0; }
.kr-ads--left  { grid-area: left; }
.kr-ads--right { grid-area: right; }

.kr-ads--left,
.kr-ads--right {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  position: sticky;
  top: 68px;
  align-self: start;
  max-height: calc(100vh - 68px - var(--footer-h) - 2rem);
  overflow: hidden;
}

/* Pro: no sidebars */
body.is-pro .kr-ads--left,
body.is-pro .kr-ads--right { display: none; }
body.is-pro .kr-page {
  grid-template-columns: 1fr;
  grid-template-areas: "main";
  max-width: 860px;
}

/* ── Fixed Footer ── */
.kr-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--footer-h);
  z-index: 300;
  background: var(--footer-bg);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  font-size: .8rem;
  backdrop-filter: blur(8px);
}
.kr-footer a { color: var(--footer-text); transition: color var(--transition); }
.kr-footer a:hover { color: #fff; text-decoration: none; }
.kr-footer__sep { color: #444; }

/* Page header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: 1.55rem; }
#kr-messages { margin-bottom: 1rem; }

@media (max-width: 960px) {
  .kr-page {
    grid-template-columns: 1fr;
    grid-template-areas: "main" "left" "right";
  }
  .kr-ads--left,
  .kr-ads--right {
    position: static;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    gap: .6rem;
    overflow-x: auto;
    max-height: none;
    padding-bottom: .25rem;
    scrollbar-width: none;
  }
  .kr-ads--left::-webkit-scrollbar,
  .kr-ads--right::-webkit-scrollbar { display: none; }
  .kr-ads--left .ad-box,
  .kr-ads--right .ad-box { flex: 0 0 160px; min-height: 90px; }
}
@media (max-width: 600px) {
  .kr-page { padding: 1rem .75rem; gap: .75rem; }
  .kr-footer { gap: 1rem; font-size: .75rem; padding: 0 1rem; }
}