:root {
  --bg-color: #0b0f19;
  --text-color: #e2e8f0;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-secondary: #8b5cf6;
  --error: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;
  --table-header: rgba(255, 255, 255, 0.05);
  --table-border: rgba(255, 255, 255, 0.1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.15), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15), transparent 25%);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: 1400px;
  padding: 2rem;
}

h1, h2, h3, h4 { margin-top: 0; }
h1 { 
    text-align: center; 
    font-weight: 700; 
    font-size: 2.2rem; 
    margin-bottom: 2rem; 
    letter-spacing: -0.05em; 
    background: linear-gradient(90deg, #60a5fa, #c084fc); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

h2 {
    color: #e2e8f0;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.form-col {
  flex: 1;
  min-width: 200px;
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #94a3b8;
}

textarea {
    width: 100%;
    height: 120px;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-color);
    font-family: monospace;
    font-size: 1rem;
    transition: all 0.2s;
    resize: vertical;
}

input[type="text"], input[type="number"], select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-color);
  font-family: monospace;
  font-size: 1rem;
  transition: all 0.2s;
}

textarea:focus, input[type="text"]:focus, input[type="number"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

select {
  font-family: 'Inter', sans-serif;
  appearance: none;
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%2394a3b8" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
}

option {
    background-color: var(--bg-color);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent);
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
    color: var(--text-color);
}

.radio-group {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.radio-group label {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-weight: normal;
  color: var(--text-color);
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

button.secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}
button.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}
button.action {
    background: var(--accent-secondary);
}
button.action:hover {
    background: #a78bfa;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-family: monospace;
}

th, td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--table-border);
}

th {
  background: var(--table-header);
  color: #94a3b8;
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.console-container {
    background: #000;
    border-radius: 8px;
    padding: 1rem;
    height: 200px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 0.85rem;
    border: 1px solid var(--glass-border);
    margin-top: 1rem;
    white-space: pre-wrap;
}

.log-info { color: var(--success); }
.log-warn { color: var(--warning); }
.log-error { color: var(--error); }
.log-normal { color: #ccc; }

.result-section {
  display: none;
}
.result-section.visible {
  display: block;
}

.canvas-container {
  display: flex;
  justify-content: center;
  position: relative;
  background: rgba(0,0,0,0.2);
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  padding: 1rem;
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 900px) {
    .layout-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

.output-box {
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-family: monospace;
    color: var(--accent-hover);
    word-break: break-all;
    font-size: 1.1rem;
    line-height: 1.5;
}