:root {
  --bg-dark: #0a0d14;
  --panel-bg: rgba(18, 24, 38, 0.85);
  --accent-orange: #ff6b00;
  --accent-orange-glow: rgba(255, 107, 0, 0.35);
  --accent-cyan: #00f2fe;
  --text-primary: #f0f4f8;
  --text-muted: #8a99ad;
  --border-color: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  margin: 0;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

header {
  max-width: 1100px;
  width: 100%;
  margin-bottom: 35px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  padding: 24px 30px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-title h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.header-title .info {
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
}

.controls {
  display: flex;
  gap: 16px;
}

.btn-primary {
  background: linear-gradient(135deg, #ff6b00, #ff8800);
  color: #ffffff;
  border: none;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 15px var(--accent-orange-glow);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 0, 0.5);
  background: linear-gradient(135deg, #ff7b1a, #ff991a);
}

.btn-primary:active {
  transform: translateY(0);
}

.workspaces-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 40px;
  max-width: 1100px;
  width: 100%;
  justify-items: center;
}

.workspace-card {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.workspace-header {
  width: 100%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-orange);
  margin-bottom: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

/* 4x4 inch bed workspace presentation scale */
.workspace {
  background: #ffffff;
  color: #000000;
  width: 400px;
  height: 400px;
  padding: 12px;
  box-sizing: border-box;
  border: 2px solid var(--accent-orange);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 8px;
  box-shadow: inset 0 0 15px rgba(0,0,0,0.1);
}

/* 30mm x 40mm tag representation */
.qr-tag {
  width: 118px;
  height: 172px;
  border: 1px dashed #aaaaaa;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px 5px 2px;
  background: #ffffff;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.qr-tag:hover {
  border-color: var(--accent-orange);
}

.qr-canvas-container {
  width: 98px;
  height: 98px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1px;
}

.qr-canvas-container img, .qr-canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.tag-title {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 13px;
  margin: 2px 0 1px 0;
  text-align: center;
  color: #000000;
  letter-spacing: 0.5px;
  width: 90%;
  border-bottom: 1.5px solid #000000;
  padding-bottom: 2px;
}

.tag-instructions {
  font-size: 8.5px;
  line-height: 1.12;
  text-align: center;
  color: #000000;
  font-weight: 800;
  padding: 0 2px;
  width: 100%;
}