/* ---------------------------------------------------------------------------
   Estimateur de bureau de tabac — feuille de style unique, vanilla CSS.
   Palette : fond crème très clair, texte presque noir, accent rouge brique.
   Polices système uniquement (aucune ressource externe).
--------------------------------------------------------------------------- */

:root {
  --color-bg: #faf6ef;
  --color-text: #1a1714;
  --color-text-muted: #55504a;
  --color-accent: #a3352b;
  --color-accent-dark: #7e281f;
  --color-border: #ddd4c4;
  --color-surface: #ffffff;
  --color-error-bg: #fbe9e7;
  --color-error-text: #8c2f22;
  --font-system: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-reading-width: 680px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-system);
  font-size: 17px;
  line-height: 1.55;
}

h1, h2, h3 {
  line-height: 1.25;
  font-weight: 700;
}

a {
  color: var(--color-accent-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .progress-bar-fill,
  .bar-fill {
    transition: width 200ms ease;
  }
  .btn {
    transition: background-color 150ms ease, transform 150ms ease;
  }
}

/* --- Header / footer --- */

.site-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  text-decoration: none;
  color: var(--color-text);
}

.brand-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  transform: rotate(45deg);
  border-radius: 2px;
}

main#contenu-principal {
  max-width: var(--max-reading-width);
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 16px 40px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 15px;
}

.site-footer nav a {
  margin: 0 10px;
}

/* --- Hero / home --- */

.hero {
  text-align: center;
  padding: 32px 0;
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 16px;
}

.hero .lead {
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

/* --- Buttons --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 28px;
  border-radius: 8px;
  border: 2px solid transparent;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

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

.btn-secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-danger {
  background: transparent;
  border-color: var(--color-error-text);
  color: var(--color-error-text);
}

.btn-large {
  width: 100%;
  font-size: 20px;
}

.link-button {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-accent-dark);
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
}

/* --- Forms --- */

.form-field {
  margin-bottom: 22px;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-help {
  color: var(--color-text-muted);
  font-size: 15px;
  margin: 2px 0 8px;
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field input[type="number"],
.form-field input[type="password"],
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  font-size: 17px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
}

.form-field textarea {
  min-height: 120px;
}

.form-field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-field-checkbox input[type="checkbox"] {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.field-error {
  display: block;
  color: var(--color-error-text);
  font-size: 15px;
  margin-top: 6px;
}

.form-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
}

.form-nav .btn {
  flex: 1;
}

.alert {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 24px;
}

.alert-error {
  background: var(--color-error-bg);
  color: var(--color-error-text);
}

.alert-error ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

/* Honeypot: hidden from sighted human users but present in the DOM for bots. */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --- Progress bar --- */

.progress-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: 4px;
  margin-bottom: 12px;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 4px;
  width: 33%;
}

.progress-bar-label {
  display: block;
  margin-top: 8px;
  margin-bottom: 24px;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 15px;
}

/* --- Result page --- */

.result-hero {
  text-align: center;
  padding: 16px 0 8px;
}

.result-range {
  font-size: 34px;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin: 8px 0;
}

.mention-legale {
  color: var(--color-text-muted);
  font-size: 14px;
}

.result-breakdown, .result-adjustments {
  margin-top: 32px;
}

.bars {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.bar-label {
  font-weight: 600;
  font-size: 15px;
}

.bar-track {
  height: 14px;
  background: var(--color-border);
  border-radius: 7px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 7px;
}

.bar-value {
  font-size: 14px;
  color: var(--color-text-muted);
}

.adjustment-list {
  padding-left: 20px;
}

.audit-callout {
  margin-top: 40px;
  padding: 24px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  text-align: center;
}

.audit-callout h2 {
  font-size: 19px;
  margin-bottom: 20px;
}

/* --- Static text pages --- */

.page-text h1 {
  font-size: 26px;
  margin-bottom: 20px;
}

.page-text h2 {
  font-size: 19px;
  margin-top: 28px;
}

/* --- Login --- */

.login-form {
  max-width: 400px;
  margin: 0 auto;
}

/* --- Admin --- */

.admin-body {
  background: var(--color-bg);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: 12px;
}

.admin-header nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.admin-main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.dashboard-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
}

.tile-value {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--color-accent-dark);
}

.tile-label {
  display: block;
  color: var(--color-text-muted);
  font-size: 14px;
  margin-top: 4px;
}

.tile-breakdown ul {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 14px;
}

.filters-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 24px;
}

.filters-form .form-field {
  margin-bottom: 0;
}

.filters-form input,
.filters-form select {
  min-height: 44px;
}

.leads-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

.leads-table th, .leads-table td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: left;
  font-size: 15px;
}

.lead-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.lead-detail-grid dt {
  font-weight: 600;
  margin-top: 10px;
}

.lead-detail-grid dd {
  margin: 0;
}

.status-history {
  font-size: 14px;
  padding-left: 18px;
}

/* --- Layout breakpoints --- */

@media (min-width: 720px) {
  .lead-detail-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-nav .btn {
    flex: none;
    min-width: 180px;
  }

  .btn-large {
    width: auto;
  }
}