:root {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-surface-alt: #273549;
  --color-border: #334155;
  --color-text: #e2e8f0;
  --color-text-dim: #94a3b8;
  --color-primary: #f59e0b;
  --color-primary-dark: #d97706;
  --color-success: #22c55e;
  --color-warning: #eab308;
  --color-danger: #ef4444;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; color: var(--color-text-dim); }

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

input, select, textarea, button {
  font-family: inherit;
  font-size: 1rem;
}

label {
  display: block;
  font-size: .85rem;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text);
  margin-bottom: 14px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.field { margin-bottom: 14px; }

::placeholder { color: #64748b; }