/* ===============================
   STYLE.CSS OPTIMISÉ (Premium)
   =============================== */

/* Import Police */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* Variables principales */
:root {
  --primary: #4a90e2;
  --primary-dark: #357ab8;
  --background: #f6f9fc;
  --text: #2c3e50;
  --text-muted: #6b7280;
  --card-bg: #ffffff;
  --border: #dce3eb;
}

/* Reset & Base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  background: var(--background);
  color: var(--text);
  line-height: 1.5;
}

/* Navbar */
.navbar {
  background: white;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.navbar img {
  height: 40px;
}

/* Card */
.card {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  border: none;
  padding: 15px;
}

/* Boutons */
.btn {
  border-radius: 12px;
  font-weight: 500;
  padding: 10px 18px;
}
.btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border: none;
  color: white;
}
.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

/* Inputs */
input, select, textarea {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 15px;
  background: white;
}

/* Progress bar */
.progress {
  height: 8px;
  border-radius: 5px;
  background-color: #eaf0f6;
}
.progress-bar {
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

/* Loader */
#loader {
  background: rgba(255,255,255,0.95);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-weight: 500;
}