* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #e0e0e0;
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid #0f3460;
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
  color: #00d4ff;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

header p {
  color: #a0a0a0;
  font-size: 1.1em;
}

.input-section {
  margin-bottom: 30px;
}

.input-label {
  display: block;
  margin-bottom: 10px;
  font-size: 1.1em;
  font-weight: 600;
  color: #00d4ff;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  flex-direction: column;
}

.build-order-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid #0f3460;
  border-radius: 4px;
  background: #0f2438;
  color: #e0e0e0;
  font-size: 1em;
  font-family: "Courier New", monospace;
  transition: border-color 0.3s;
  resize: vertical;
  min-height: 150px;
}

.build-order-input:focus {
  outline: none;
  border-color: #00d4ff;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  font-size: 1em;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-load {
  background: #00d4ff;
  color: #1a1a2e;
}

.btn-load:hover {
  background: #00b8d4;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.btn-start {
  background: #00c853;
  color: white;
}

.btn-start:hover {
  background: #00a843;
  box-shadow: 0 0 15px rgba(0, 200, 83, 0.5);
}

.btn-pause {
  background: #ff9800;
  color: white;
}

.btn-pause:hover {
  background: #e68900;
  box-shadow: 0 0 15px rgba(255, 152, 0, 0.5);
}

.btn-reset {
  background: #f44336;
  color: white;
}

.btn-reset:hover {
  background: #da190b;
  box-shadow: 0 0 15px rgba(244, 67, 54, 0.5);
}

.btn-increment {
  background: #2196f3;
  color: white;
}

.btn-increment:hover {
  background: #1976d2;
  box-shadow: 0 0 15px rgba(33, 150, 243, 0.5);
}

.error-message {
  color: #ff6b6b;
  font-size: 0.95em;
  min-height: 20px;
}

.hidden {
  display: none !important;
}

.build-order-section {
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.controls {
  position: sticky;
  display: flex;
  gap: 15px;
  align-items: center;
  margin-bottom: 30px;
  padding: 20px;
  background: #0f2438;
  border-radius: 4px;
  border: 1px solid #0f3460;
  top: 20px;
  z-index: 10;
}

.timer-display {
  margin-left: auto;
}

.timer {
  font-size: 2.5em;
  font-weight: bold;
  color: #00d4ff;
  font-family: "Courier New", monospace;
  min-width: 150px;
  text-align: right;
  display: inline-block;
}

.build-order-list {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #0f2438;
  border: 1px solid #0f3460;
  border-radius: 4px;
  overflow: hidden;
}

thead {
  background: #0f3460;
  border-bottom: 2px solid #00d4ff;
}

th {
  padding: 15px;
  text-align: left;
  font-weight: 600;
  color: #00d4ff;
}

td {
  padding: 12px 15px;
  border-bottom: 1px solid #0f3460;
}

tr {
  transition: background-color 0.2s;
}

tr:hover {
  background: rgba(0, 212, 255, 0.1);
}

tr.current-item {
  background: rgba(0, 212, 255, 0.3);
  box-shadow: inset 0 0 10px rgba(0, 212, 255, 0.3);
  font-weight: 600;
}

tr.completed-item {
  opacity: 0.6;
  color: #a0a0a0;
}

tr.upcoming-item {
  color: #e0e0e0;
}

.supply {
  font-weight: 600;
  color: #00d4ff;
  min-width: 50px;
}

.time {
  color: #ffb300;
  font-weight: 600;
  min-width: 60px;
  font-family: "Courier New", monospace;
}

.building {
  color: #e0e0e0;
  min-width: 200px;
}

.notes {
  color: #a0a0a0;
  font-size: 0.9em;
  min-width: 300px;
}

.loading-message {
  text-align: center;
  padding: 40px;
  font-size: 1.2em;
  color: #00d4ff;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.8em;
  }

  .input-group {
    flex-direction: column;
  }

  .controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .timer-display {
    margin-left: 0;
    width: 100%;
  }

  .timer {
    display: block;
    text-align: center;
    width: 100%;
  }

  table {
    font-size: 0.9em;
  }

  th,
  td {
    padding: 10px 8px;
  }
}