/* Placeholder Lab - Shared Design System */

:root {
  --primary: #f59e0b;
  --primary-dark: #d97706;
  --primary-light: #fbbf24;
  --bg: #09090b;
  --bg-elevated: #18181b;
  --card: rgba(24, 24, 27, 0.98);
  --card-border: rgba(245, 158, 11, 0.08);
  --text: #fafafa;
  --text-muted: #a1a1aa;
  --success: #22c55e;
  --error: #ef4444;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}


.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(9, 9, 11, 0.98);
  border-bottom: 1px solid var(--card-border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
}

.logo:hover { color: var(--primary-light); }

.logo i { font-size: 1.1em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--primary);
  background: rgba(245, 158, 11, 0.1);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.btn-primary:hover { opacity: 0.9; }

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.card-glass {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.card-glass:hover {
  border-color: rgba(245, 158, 11, 0.15);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.form-group input {
  width: 100%;
  padding: 0.65rem 1rem;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group input[type="color"] {
  height: 44px;
  padding: 4px;
  cursor: pointer;
}

.form-group input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}