/* ====== BASIC RESET ====== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #f4f6fb;
  color: #1f2933;
  line-height: 1.5;
}

/* ====== LAYOUT ====== */

.app-header {
  background: #111827;
  color: #fff;
  padding: 1.8rem 1.5rem 1.6rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.app-header h1 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 0.3rem;
}

.app-header p {
  font-size: 0.95rem;
  opacity: 0.9;
}

.layout {
  max-width: 1200px;
  margin: 1.8rem auto 2.5rem;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

/* ====== PANELS ====== */

.panel {
  background: #ffffff;
  border-radius: 14px;
  padding: 1.3rem 1.4rem 1.5rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.panel h2 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.panel h3 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
}

/* ====== BUTTONS ====== */

.btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  transition: transform 0.1s ease, box-shadow 0.1s ease,
    background-color 0.15s ease;
}

.btn.primary {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.btn.primary:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ====== INFO ROWS & HINT ====== */

.info-row {
  display: flex;
  justify-content: space-between;
  margin-top: 0.8rem;
  font-size: 0.95rem;
}

.info-row strong {
  font-weight: 700;
}

.hint {
  margin-top: 1.1rem;
  background: #f3f4ff;
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-size: 0.9rem;
  color: #4b5563;
}

/* ====== STATS & COUNTERS ====== */

.stats {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.stats span {
  color: #4b5563;
}

.stats strong {
  font-size: 1.05rem;
}

.counters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

@media (max-width: 900px) {
  .counters {
    grid-template-columns: 1fr;
  }
}

.counter-card {
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
}

.counter-card h3 {
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}

.counter-card .status {
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.counter-card .ticket-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
}

.counter-card .ticket-value {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 0.1rem;
}

/* Status colors */
.status.free {
  color: #059669; /* green */
}

.status.busy {
  color: #ea580c; /* orange */
}

/* ====== DISPLAY SCREEN ====== */

.display-now {
  margin: 0.6rem 0 1rem;
  border-radius: 12px;
  background: radial-gradient(circle at top left, #2563eb, #111827);
  color: #f9fafb;
  padding: 1rem 1.4rem;
  text-align: center;
  box-shadow: 0 8px 25px rgba(15, 23, 42, 0.5);
}

.display-now .label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.8;
}

.display-ticket {
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0.2rem 0;
}

.display-counter {
  font-size: 1.05rem;
}

/* Flash animation */
.flash {
  animation: flash 0.9s ease-out;
}

@keyframes flash {
  0% {
    transform: scale(0.9);
    opacity: 0.4;
  }
  60% {
    transform: scale(1.05);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ====== HISTORY LIST ====== */

.history-list {
  list-style: none;
  margin-top: 0.5rem;
  max-height: 260px;
  overflow-y: auto;
  padding-right: 0.4rem;
  font-size: 0.9rem;
}

.history-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0;
  border-bottom: 1px dashed #e5e7eb;
}

.history-list li span {
  white-space: nowrap;
}

.history-list li:last-child {
  border-bottom: none;
}

/* Small helper text */

.service-time-info {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #6b7280;
}

/* ====== FOOTER ====== */

.app-footer {
  text-align: center;
  padding: 0.7rem 1rem 1.4rem;
  font-size: 0.85rem;
  color: #6b7280;
}