/* Smart Kos — layout.css
 * Page chrome: header, main, footer, container.
 */

.app {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100dvh;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg-elev) 92%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.app-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  min-height: 60px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--fs-lg);
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.brand__logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--grad-hero);
  color: #f8fafc;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--shadow-sm);
}

.app-header__spacer {
  flex: 1 1 auto;
}

.app-header__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.app-main {
  padding-block: var(--space-5) var(--space-8);
}

.app-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elev);
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
}

.app-footer__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
  min-height: 36px;
  flex-wrap: wrap;
}

.app-footer__sep {
  opacity: 0.5;
}

.app-footer__spacer {
  flex: 1 1 auto;
}

/* Section headings */
.section {
  margin-top: var(--space-6);
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section__hint {
  color: var(--color-text-subtle);
  font-size: var(--fs-xs);
}