:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-primary: #2554c7;
  --color-primary-dark: #1c3f99;
  --color-text: #1f2430;
  --color-muted: #667085;
  --color-border: #e2e5ea;
  --color-error: #c0392b;
  --color-success: #1e7e42;
  --radius: 8px;
  --color-border-champ-question: #eef0f2;
}

* { box-sizing: border-box; }

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

.page { min-height: 100vh; }

.flash-container { max-width: 720px; margin: 16px auto 0; padding: 0 16px; }
.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 8px; }
.flash-error { background: #fdecea; color: var(--color-error); }
.flash-success { background: #e8f6ee; color: #1e7e42; }

/* Login */
.login-box {
  max-width: 360px;
  margin: 10vh auto;
  background: var(--color-surface);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.login-box h1 { margin-top: 0; font-size: 1.4rem; }

.field { margin-bottom: 25px;border-radius: var(--radius);padding: 12px 12px;background: var(--color-border-champ-question);}
.field label { display: block; font-weight: 600; margin-bottom: 10px; font-size: 1.2rem;}

.field input[type=text],
.field input[type=password],
.field input[type=number],
.field input[type=date] {
  width: 25%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1.2rem;
  margin-left: 40px;
}
.field-login label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.92rem; }
.field-login input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  margin-bottom: 15px;
}
.field textarea {
  width: 50%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  margin-left: 40px;
}
.field-error input, .field-error textarea { border-color: var(--color-error); }
.error-message { color: var(--color-error); font-size: 0.85rem; margin: 4px 0 0; }
.required { color: var(--color-error); }

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary {
  display: inline-block;
  padding: 10px 16px;
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
}
button.btn-secondary {
  background: var(--color-surface);
  cursor: pointer;
  font: inherit;
  font-size: 1rem;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.partie-intro-text {
  white-space: pre-line;
  line-height: 1.6;
  margin: 16px 0 28px;
  color: var(--color-text);
}

/* Questionnaire layout */
.questionnaire-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.bloc-nav {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 24px;
}
.bloc-nav h2 { font-size: 1.05rem; margin-top: 0; }
.bloc-nav ul { list-style: none; padding: 0; margin: 0 0 24px; }
.bloc-nav li a,
.bloc-nav li button {
  display: block;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.92rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
.bloc-nav li button:disabled { cursor: default; opacity: 1; }
.bloc-nav li.active a,
.bloc-nav li.active button { background: #eef2ff; color: var(--color-primary); font-weight: 600; }
.bloc-nav li.complete a,
.bloc-nav li.complete button { color: var(--color-success); }
.bloc-nav li.active.complete a,
.bloc-nav li.active.complete button { background: #eef2ff; color: var(--color-success); }
.nav-partie-header.complete a { color: var(--color-success); }
.nav-partie-header.active a { color: var(--color-primary); }
.nav-partie-header {
  margin: 16px 0 4px;
  padding: 0;
}
.nav-partie-header a {
  display: block;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  text-decoration: none;
  border-radius: var(--radius);
}
.nav-partie-header a:hover { background: #f2f3f7; }
.nav-partie-header:first-child { margin-top: 0; }
.partie-label {
  margin: 0 0 4px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}
.logout-link { font-size: 0.85rem; color: var(--color-muted); }

.bloc-content {
  padding: 40px;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
}

.options { display: flex; flex-direction: column; gap: 8px; margin-left: 40px;}
.option-label { font-weight: 400; display: flex; align-items: center; gap: 8px; }
.bloc-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 28px; }

@media (max-width: 720px) {
  .questionnaire-layout { grid-template-columns: 1fr; }
  .bloc-nav { border-right: none; border-bottom: 1px solid var(--color-border); }
}

/* Zone admin */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.admin-nav {
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: 24px;
}
.admin-nav h2 { font-size: 1.05rem; margin-top: 0; }
.admin-nav ul { list-style: none; padding: 0; margin: 0 0 24px; }
.admin-nav li a {
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.92rem;
}
.admin-nav li a:hover { background: #f2f3f7; }
.admin-content { padding: 32px 40px; max-width: 900px; }

.admin-table { width: 100%; border-collapse: collapse; margin: 16px 0 28px; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}
.admin-table th { color: var(--color-muted); font-weight: 600; }
.admin-table-actions a { margin-right: 12px; }
.admin-table tr.row-ok td:nth-child(2) { color: var(--color-success); }
.admin-table tr.row-rejected td:nth-child(2) { color: var(--color-error); }

.admin-stats { display: flex; gap: 24px; margin: 16px 0 24px; }
.admin-stats div {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-align: center;
}
.admin-stats strong { display: block; font-size: 1.6rem; color: var(--color-primary); }
.admin-stats span { font-size: 0.8rem; color: var(--color-muted); }

.admin-actions-row { display: flex; gap: 12px; align-items: center; margin: 20px 0 32px; flex-wrap: wrap; }

.admin-question-list { list-style: none; padding: 0; margin: 0 0 20px; }
.admin-question-list li { padding: 6px 0; border-bottom: 1px solid var(--color-border); font-size: 0.9rem; }
.admin-question-list code { color: var(--color-primary); }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--color-primary);
  margin-left: 6px;
}
.badge-required { background: #fdecea; color: var(--color-error); }

.danger-link { color: var(--color-error); }
.danger-box {
  background: #fdecea;
  border: 1px solid #f3c4bd;
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 16px 0 24px;
}
.btn-danger {
  background: var(--color-error);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
.btn-danger:hover { background: #a5321f; }

@media (max-width: 720px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-nav { border-right: none; border-bottom: 1px solid var(--color-border); }
}