/*  
   LAYOUT.CSS
   Structural layout: header bar, game area,
   top zone (stock/foundations), tableau columns,
   and responsive breakpoints for smaller screens.
     */

/* 
   HEADER BAR
*/

#top-bar {
  position: relative;
  z-index: 10;
  flex-shrink: 0;    /* Don't compress the header */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: linear-gradient(180deg, #1e1508 0%, rgba(10,8,6,0.92) 100%);
  border-bottom: 1px solid var(--gold-dim);
  box-shadow: 0 4px 20px rgba(0,0,0,0.8), 0 1px 0 var(--gold-dim);
}

/* Logo: ☥ title ☥ */
#logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
#logo h1 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  text-shadow: 0 0 20px var(--gold-glow), 0 0 40px rgba(212,175,55,0.15);
  letter-spacing: 2px;
  white-space: nowrap;
}

/* Stats block: label + value stacked */
#stats-bar {
  display: flex;
  gap: 24px;
}
.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.stat-label {
  font-size: 0.6rem;
  color: var(--gold-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold-light);
  text-shadow: 0 0 10px var(--gold-glow);
  min-width: 48px;
  text-align: center;
}

/* Timer turns red and pulses in last 60 seconds */
#timer-block.warning .stat-value {
  color: #e74c3c;
  text-shadow: 0 0 10px rgba(231,76,60,0.5);
}

/* Action buttons row */
#action-buttons {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* 
   MAIN GAME AREA
*/

#game-area {
  position: relative;
  z-index: 5;
  flex: 1;          /* Fill all remaining vertical space */
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 12px 16px;
  overflow: hidden; /* No scrollbars in the game area */
}

/*  
   TOP ZONE: Stock/Waste + Foundations
*/

#top-zone {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

/* Stock + Waste side by side on the left */
#stock-waste {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

/* Four foundation piles on the right */
#foundation-zone {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

/* Wrapper adds a small label above each pile */
.pile-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.pile-label {
  font-size: 0.58rem;
  color: var(--gold-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/*  
   TABLEAU COLUMNS
*/

#tableau-zone {
  display: flex;
  gap: 8px;
  flex: 1;
  align-items: flex-start;
  justify-content: center;
}

.tableau-col {
  width: var(--card-w);
  min-height: var(--card-h);
  position: relative; /* Cards inside use absolute positioning */
  flex-shrink: 0;
}

/* Golden outline appears on a column when a card is dragged over it */
.tableau-col.drop-target::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--card-h);
  border-radius: var(--radius);
  border: 1px dashed var(--gold);
  box-shadow: 0 0 16px var(--gold-glow);
  pointer-events: none;
  z-index: 1;
}

/*  
   RESPONSIVE — Tablet (≤ 820px)
*/
@media (max-width: 820px) {
  :root {
    --card-w: 68px;
    --card-h: 96px;
  }
  #logo h1        { font-size: 0.9rem; }
  #stats-bar      { gap: 14px; }
  .stat-value     { font-size: 0.85rem; min-width: 40px; }
  .btn-egypt      { font-size: 0.65rem; padding: 5px 10px; }
  #game-area      { padding: 8px 8px; gap: 8px; }
  #tableau-zone   { gap: 5px; }
  #foundation-zone{ gap: 5px; }
  #stock-waste    { gap: 5px; }
}

/*  
   RESPONSIVE — Mobile phone (≤ 600px)
*/
@media (max-width: 600px) {
  :root {
    --card-w: 52px;
    --card-h: 74px;
  }
  /* Stack header into two rows on small screens */
  #top-bar {
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 10px;
  }
  /* Move action buttons to their own full-width row */
  #action-buttons {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .corner-rank      { font-size: 0.7rem; }
  .corner-suit      { font-size: 0.58rem; }
  .card-center-suit { font-size: 1.3rem; }
  #stats-bar        { gap: 10px; }
}

/*  
   RESPONSIVE — Very small (≤ 400px)
*/
@media (max-width: 400px) {
  :root {
    --card-w: 44px;
    --card-h: 62px;
  }
  #logo h1 { display: none; } /* Hide title to save space */
  .btn-egypt { font-size: 0.6rem; padding: 4px 8px; }
  #stats-bar { gap: 8px; }
}