/* layout.css — page grid, screen management, responsive breakpoints */

/* === Screen management === */

.screen {
  display: none;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
}

.screen--active {
  display: flex;
  flex-direction: column;
}

/* === Main menu layout === */

#screen-menu {
  background: var(--bg-dark);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
  padding: var(--space-8) var(--space-4) var(--space-6);
}

.menu__header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.menu__title {
  font-family: var(--font-pixel);
  font-size: var(--text-xl);
  color: var(--accent-gold);
  line-height: 1.4;
  letter-spacing: 0.05em;
  text-shadow: 0 0 20px rgba(212, 160, 23, 0.4);
  margin-bottom: var(--space-3);
}

.menu__subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--text-muted);
  font-style: italic;
}

.menu__chapters {
  width: 100%;
  max-width: 480px;
  margin-bottom: var(--space-8);
}

.menu__section-title {
  font-family: var(--font-pixel);
  font-size: var(--text-xs);
  color: var(--accent-gold);
  margin-bottom: var(--space-4);
  text-align: center;
  letter-spacing: 0.1em;
}

.menu__footer {
  margin-top: auto;
  text-align: center;
  padding-top: var(--space-6);
}

.menu__links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

/* === Game screen layout === */

#screen-game {
  background: var(--bg-dark);
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.game__topbar {
  flex: 0 0 var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-3);
  background: var(--bg-mid);
  border-bottom: 1px solid rgba(212, 160, 23, 0.2);
  position: relative;
  z-index: var(--z-card);
}

.game__main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  /* overflow must be visible so the card can move freely during drag;
     the screen element (position:fixed, inset:0) acts as the clip boundary */
  overflow: visible;
  padding: var(--space-4);
}

.game__bottombar {
  flex: 0 0 var(--bottombar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  background: var(--bg-mid);
  border-top: 1px solid rgba(212, 160, 23, 0.2);
  position: relative;
  z-index: var(--z-card);
}

/* Card slot — where the card lives */
#card-slot {
  position: relative;
  width: 100%;
  max-width: var(--card-max-width);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Outcome panel — fades in after swipe */
#outcome-panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
  z-index: calc(var(--z-card) + 1);
}

#outcome-panel.visible {
  opacity: 1;
  pointer-events: auto;
}

/* === Ending screen layout === */

#screen-ending {
  background: var(--bg-dark);
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  overflow-y: auto;
  padding: var(--space-8) var(--space-4) var(--space-6);
}

.ending__content {
  width: 100%;
  max-width: 480px;
  text-align: center;
}

/* === Briefing screen (overlay on menu) === */

#screen-briefing {
  background: var(--bg-dark);
  z-index: 50;
}

.briefing__content {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-4);
  overflow-y: auto;
  flex: 1;
}

/* === Desktop breakpoint (600px+) === */

@media (min-width: 600px) {
  .menu__title {
    font-size: var(--text-2xl);
  }

  #screen-menu {
    padding: var(--space-12) var(--space-6) var(--space-8);
  }

  .menu__chapters {
    max-width: 560px;
  }

  .menu__links {
    flex-direction: row;
    justify-content: center;
  }

  .game__main {
    padding: var(--space-8);
  }

  .briefing__content {
    max-width: 600px;
    padding: var(--space-8) var(--space-6);
  }

  .ending__content {
    max-width: 560px;
  }
}

/* === Wide desktop (900px+) === */

@media (min-width: 900px) {
  :root {
    --topbar-height:    4rem;
    --bottombar-height: 4.5rem;
    --card-max-width:   500px;
  }
}