/* Kitchen Display System */
:root {
  --kh-bg: #1a1a2e;
  --kh-card: #16213e;
  --kh-accent: #e94560;
  --kh-green: #0f9b58;
  --kh-yellow: #f0a500;
  --kh-border: rgba(255,255,255,.08);
  --kh-text: #e0e0e0;
  --kh-radius: 12px;
}

body { background: var(--kh-bg); color: var(--kh-text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }

#qro-kitchen { padding: 16px; }

.kh-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px;
  background: var(--kh-card);
  padding: 14px 18px;
  border-radius: var(--kh-radius);
  border: 1px solid var(--kh-border);
  color: #fff;
}
.kh-header h2 { font-size: 2rem; flex: 1; color:#fff; }
.kh-badge {
  background: var(--kh-accent);
  color: #fff;
  border-radius: 50%;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700;
}
#kh-sound-toggle { background: none; border: 1px solid var(--kh-border); color: var(--kh-text); border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 1.1rem; }

.kh-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(344px, 1fr));
  gap: 15px;
}

.kh-order-card {
  background: var(--kh-card);
  border-radius: 10px;
  border: 1px solid var(--kh-border);
  overflow: hidden;
  animation: kh-in .3s ease;
}
@keyframes kh-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}
.kh-order-card.status-pending  { border-left: 4px solid var(--kh-accent); }
.kh-order-card.status-preparing {border-left: 5px solid var(--kh-yellow);}
.kh-order-card.status-completed { opacity: .5; }

.kh-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid var(--kh-border);
}
.kh-order-id {font-weight: 700;font-size: 1rem;color: #Fff;}
.kh-table    {font-size: 18px;color: var(--kh-yellow);font-weight: 600;}
.kh-time     {font-size: .75rem;color: rgb(255 255 255);}

.kh-items    {padding: 12px 14px;position: relative;}
.kh-item     {display: flex;justify-content: space-between;padding: 4px 0;font-size: .9rem;flex-direction: column;align-items: stretch;align-content: space-around;}
.kh-item-qty { color: var(--kh-accent); font-weight: 700; margin-right: 6px; }

.kh-card-foot {
  padding: 10px 14px;
  border-top: 1px solid var(--kh-border);
  display: flex; gap: 8px;
}
.kh-btn {
  flex: 1; padding: 8px;
  border: none; border-radius: 8px;
  font-size: .85rem; font-weight: 600; cursor: pointer;
  transition: opacity .15s;
}
.kh-btn:hover { opacity: .85; }
.kh-btn-preparing { background: var(--kh-yellow); color: #000; }
.kh-btn-done      { background: var(--kh-green);  color: #fff; }
.kh-btn-cancel    { background: rgba(255,255,255,.1); color: var(--kh-text); }

.kh-pay-tag {
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
}
.kh-pay-tag.paid {background: #0f9b58;color: #ffffff;opacity: 1;text-align: center;font-size: 16px;}

.kh-loading { grid-column: 1/-1; text-align: center; color: rgba(255,255,255,.4); padding: 40px; }
.kh-empty   { grid-column: 1/-1; text-align: center; color: rgba(255,255,255,.3); padding: 60px; font-size: 1.2rem; }
/* Connection status indicator */
.kh-conn-status {
  font-size: 1.2rem;
  margin-left: auto;
  cursor: help;
  background: rgba(255,255,255,0.1);
  padding: 4px 8px;
  border-radius: 20px;
}

.kh-total {
  font-size: 18px;
  font-weight: 600;
  color: #ffd700;
}

.kh-error {
  grid-column: 1/-1;
  text-align: center;
  color: #ff6b6b;
  padding: 40px;
}
/* Thêm vào cuối file kitchen.css */

/* Item styling mới */
.kh-item {
  margin-bottom: 12px;
  padding: 8px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
}

.kh-item-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.kh-item-name {
  font-weight: 600;
  font-size: 0.9rem;
}

.kh-item-qty {
  background: var(--kh-accent, #e94560);
  color: #fff;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.kh-item-price {
  margin-left: auto;
  font-weight: 600;
  color: #ffd700;
  font-size: 0.85rem;
}

.kh-item-options {
  margin-top: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--kh-accent, #e94560);
}

.kh-opt-line {
  display: block;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  padding: 2px 0;
}

.kh-item-note {
  margin-top: 6px;
  padding-left: 12px;
  font-size: 0.8rem;
  color: #ffd700;
  font-style: italic;
}
/* Thêm vào cuối file kitchen.css */

/* Item styling mới */
.kh-item {
  margin-bottom: 12px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  transition: background 0.2s;
}

.kh-item:hover {
  background: rgba(255,255,255,0.08);
}

.kh-item-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.kh-item-name {
  font-weight: 600;
  font-size: 16px;
  flex: 1;
  color: #fff;
}

.kh-item-qty {
  background: var(--kh-accent, #e94560);
  color: #fff;
  padding: 1px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.kh-item-price {
  font-weight: 600;
  color: #ffd700;
  font-size: 16px;
  min-width: 70px;
  text-align: right;
}

.kh-item-options {
  margin-top: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--kh-accent, #e94560);
}

.kh-opt-line {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  padding: 2px 0;
}

.kh-item-note {
  margin-top: 6px;
  padding-left: 12px;
  font-size: 0.78rem;
  color: #ffd700;
  font-style: italic;
}

/* Responsive cho mobile */
@media (max-width: 768px) {
  .kh-item-header {
    flex-wrap: wrap;
  }
  
  .kh-item-name {
    width: 100%;
    margin-bottom: 4px;
  }
  
  .kh-item-price {
    text-align: left;
  }
}

.kh-item-options {
    margin-top: 6px;
    margin-bottom: 4px;
    padding-left: 12px;
}
.kh-card-head {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px 8px;
    align-items: center;
}

/* Dòng 1: 3 item */
.kh-order-id { grid-column: 1; }
.kh-table    { grid-column: 2; }
.kh-total    { grid-column: 3; }

/* Dòng 2: 2 item */
.kh-time     {grid-column: 1 / 3;font-size: 16px;} /* chiếm 2 cột */
.kh-pay-tag  { grid-column: 3; text-align: right; }
.kh-opt-line {
    display: block;
    font-size: 14px;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 2px;
}

.kh-item-note {
    font-size: 0.78rem;
    color: #d97706;
    background: #fef3c7;
    padding: 4px 8px;
    border-radius: 6px;
    margin-top: 6px;
    margin-bottom: 4px;
    display: inline-block;
    width: calc(100% - 16px);
    border-left: 3px solid #f59e0b;
}

/* Responsive cho mobile */
@media (max-width: 768px) {
    .kh-item-options {
        padding-left: 8px;
    }
    
    .kh-opt-line {
        font-size: 0.7rem;
    }
    
    .kh-item-note {
        font-size: 0.72rem;
        padding: 3px 6px;
    }
}