/* PPPT3 — Styles communs */

:root {
  --color-primary: #2563eb;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-border: #e2e8f0;
  --radius: 0.5rem;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .5rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover { opacity: .9; }

input {
  width: 100%;
  padding: .5rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
}