:root {
  --bg-primary: #000000;
  --bg-card: #111111;
  --bg-surface: #1e1e1e;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --text-primary: #ffffff;
  --text-muted: #a0a0a0;
  --accent-lime: #C6FF7D;
  --accent-lime-hover: #b0f065;
  --text-on-accent: #000000;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
}

p, span, div {
  color: var(--text-primary);
}

.text-muted {
  color: var(--text-muted);
}

/* Cards & Containers */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 24px;
}

/* Inputs */
input, select, textarea {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-lime);
  box-shadow: 0 0 0 2px rgba(198, 255, 125, 0.2);
}

input::placeholder {
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--accent-lime);
  color: var(--text-on-accent);
  border: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 600;
  font-family: var(--font-sans);
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:hover {
  background-color: var(--accent-lime-hover);
}

.btn:active {
  transform: scale(0.98);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background-color: var(--bg-surface);
}

/* Layout Utilities */
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.w-full { width: 100%; }
.h-screen { height: 100vh; }