/* Planif — thème sobre bleu marine/blanc, mobile-first, une colonne. */

:root {
  --marine-900: #06263f;
  --marine-800: #0b3a5c;
  --marine-700: #114a73;
  --marine-600: #1a6094;
  --marine-500: #2b7cb8;
  --marine-100: #e6f0f7;
  --marine-50: #f4f9fc;
  --white: #ffffff;
  --ink: #10202c;
  --ink-soft: #4a5d68;
  --line: #cfe0eb;

  --ok-bg: #e5f6ec;
  --ok-fg: #157347;
  --ok-line: #9fd9b8;
  --ko-bg: #fbe7e7;
  --ko-fg: #b3261e;
  --ko-line: #e8a6a3;
  --warn-bg: #fff2e0;
  --warn-fg: #b3600a;
  --warn-line: #f0c78a;

  --radius: 10px;
  --gap: 1rem;
  --max-width: 46rem;

  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--marine-50);
  line-height: 1.5;
}

a { color: var(--marine-600); }
a:hover { color: var(--marine-800); }

header.site-header {
  background: var(--marine-900);
  color: var(--white);
  padding: 1rem 1.25rem;
}
header.site-header h1 {
  margin: 0;
  font-size: 1.25rem;
  /* Sans ceci, la règle générique `h1, h2, h3 { color: var(--marine-900) }` (plus bas dans ce
     fichier) rend le titre invisible : texte marine sur fond marine du bandeau. Bug pré-existant
     sur guide.html/expert.html, corrigé ici (impacte aussi index.html/methode.html, tâche 16). */
  color: var(--white);
}
header.site-header p {
  margin: 0.25rem 0 0;
  color: var(--marine-100);
  font-size: 0.9rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1rem 3rem;
}

h1, h2, h3 {
  color: var(--marine-900);
}

/* Cartes de contenu générique */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 0 0 var(--gap);
}
.card h2, .card h3 {
  margin-top: 0;
}

/* Formulaires */
fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 1rem;
  margin: 0 0 var(--gap);
}
legend {
  font-weight: 600;
  color: var(--marine-800);
  padding: 0 0.4rem;
}
label {
  display: block;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0.6rem 0 0.2rem;
}
input, select {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--white);
  color: var(--ink);
}
input:focus, select:focus {
  outline: 2px solid var(--marine-500);
  outline-offset: 1px;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.1rem;
  background: var(--marine-700);
  color: var(--white);
}
button:hover { background: var(--marine-800); }
button.secondary {
  background: var(--white);
  color: var(--marine-700);
  border: 1px solid var(--marine-700);
}

/* Bandeau de vérifications */
.verdicts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.verdict-chip {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.verdict-ok {
  background: var(--ok-bg);
  color: var(--ok-fg);
  border-color: var(--ok-line);
}
.verdict-ko {
  background: var(--ko-bg);
  color: var(--ko-fg);
  border-color: var(--ko-line);
}
.verdict-chip .mark { font-weight: 700; }

.warning {
  background: var(--warn-bg);
  color: var(--warn-fg);
  border: 1px solid var(--warn-line);
  border-radius: 8px;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  margin: 0.4rem 0;
}

/* Paramètres / consommation / vérifications : blocs icône + grosse valeur + libellé,
   gros caractères, lisibles sous l'eau. Neutre (marine) par défaut, vert si ok, rouge si attention. */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  gap: 0.6rem;
  margin: 0 0 0.6rem;
}
.stat-grid:last-child {
  margin-bottom: 0;
}
.stat-block {
  background: var(--marine-900);
  color: var(--white);
  border-radius: var(--radius);
  padding: 0.7rem 0.6rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}
.stat-block .icon {
  font-size: 1.3rem;
  line-height: 1;
}
.stat-block .value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
}
.stat-block .label {
  font-size: 0.78rem;
  color: var(--marine-100);
}
.stat-block.stat-ok {
  background: var(--ok-bg);
  color: var(--ok-fg);
}
.stat-block.stat-ok .label {
  color: var(--ok-fg);
}
.stat-block.stat-warn {
  background: var(--ko-bg);
  color: var(--ko-fg);
}
.stat-block.stat-warn .label {
  color: var(--ko-fg);
}
.stat-block.warning-block {
  grid-column: 1 / -1;
  flex-direction: row;
  justify-content: flex-start;
  text-align: left;
  padding: 0.6rem 0.75rem;
}
.stat-block.warning-block .icon {
  font-size: 1.1rem;
}
.stat-block.warning-block .value {
  font-size: 0.9rem;
  font-weight: 500;
}
.verdicts {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* Table runtime */
table.runtime-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.runtime-table th, .runtime-table td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--line);
}
.runtime-table th {
  color: var(--marine-800);
  font-weight: 600;
  background: var(--marine-100);
}
.runtime-table tr.row-stop td {
  background: var(--marine-50);
  font-weight: 600;
}

/* Profil SVG */
.profile-svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--marine-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.profile-svg .profile-line {
  fill: none;
  stroke: var(--marine-700);
  stroke-width: 3;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.profile-svg .profile-axis {
  stroke: var(--ink-soft);
  stroke-width: 1;
}
.profile-svg .profile-grid {
  stroke: var(--line);
  stroke-width: 1;
}
.profile-svg .profile-stop {
  fill: var(--marine-500);
}
.profile-svg .profile-switch {
  fill: var(--warn-fg);
}
.profile-svg text {
  font-size: 11px;
  fill: var(--ink-soft);
}

/* Carte de plongée */
.dive-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.dive-card section {
  margin-bottom: 1.1rem;
}
.dive-card section:last-child {
  margin-bottom: 0;
}

@media (min-width: 40rem) {
  .stat-grid {
    grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  }
}

/* Mode expert : formulaire | résultats, une colonne puis deux dès 900px, page large (jusqu'à 1600px) */
body.expert-page main {
  max-width: min(1600px, 95vw);
}
.expert-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}
@media (min-width: 56.25rem) {
  .expert-layout {
    grid-template-columns: minmax(380px, 440px) 1fr;
  }
}

.back-link {
  margin-top: 0.35rem;
}
.back-link a {
  color: var(--marine-100);
  font-size: 0.9rem;
}

/* Menu de navigation principal (onglets), présent en en-tête sur toutes les pages de l'app */
nav.site-nav {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
}
nav.site-nav .nav-tab {
  color: var(--marine-100);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
}
nav.site-nav .nav-tab:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
}
nav.site-nav .nav-tab.active {
  background: var(--white);
  color: var(--marine-900);
  font-weight: 600;
  border-color: var(--white);
}

.field {
  margin-bottom: 0.6rem;
}
.field-error {
  display: block;
  min-height: 1em;
  color: var(--ko-fg);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}
.mod-hint {
  display: block;
  color: var(--ink-soft);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}
.input-error {
  border: 1px solid var(--ko-fg) !important;
  background: var(--ko-bg);
}

.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--ink);
  margin: 0.6rem 0 0.2rem;
}
.checkbox-field input[type="checkbox"] {
  width: auto;
}

.conditional-section {
  border-left: 2px solid var(--line);
  padding-left: 0.75rem;
  margin-top: 0.4rem;
}
.conditional-section[hidden] {
  display: none;
}

.gf-presets,
.solver-buttons,
.results-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.solver-proposal {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--marine-50);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.solver-proposal p {
  margin: 0.3rem 0;
}

.results-dimmed {
  opacity: 0.4;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

details.card summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--marine-800);
}
details.card[open] summary {
  margin-bottom: 0.5rem;
}

/* Mode guidé : barre de progression, cartes pédagogiques, navigation étape par étape */
.progress-bar {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.pastille {
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  background: var(--white);
  color: var(--marine-700);
  border: 1px solid var(--marine-700);
}
.pastille.visited {
  background: var(--marine-100);
}
.pastille.active {
  background: var(--marine-700);
  color: var(--white);
}
.pastille:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: var(--line);
  color: var(--ink-soft);
  background: var(--white);
}

.pedagogy {
  background: var(--marine-50);
  border-left: 4px solid var(--marine-500);
}
.pedagogy h2 {
  margin-top: 0;
  font-size: 1.1rem;
}
.pedagogy p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.guide-nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}
.nav-blocked {
  color: var(--ko-fg);
  font-size: 0.9rem;
  margin: 0 0 0.6rem;
}

.mod-formula {
  font-family: "Courier New", monospace;
  background: var(--marine-50);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  overflow-x: auto;
}

.scenario-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.scenario-item {
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.scenario-item.verdict-ok {
  background: var(--ok-bg);
  border-color: var(--ok-line);
}
.scenario-item.verdict-ko {
  background: var(--ko-bg);
  border-color: var(--ko-line);
}
.scenario-item p {
  margin: 0.3rem 0 0;
}

.checklist-static {
  padding-left: 1.2rem;
}
.checkbox-field-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.6rem 0;
  font-size: 0.95rem;
}
.checkbox-field-item input[type="checkbox"] {
  width: auto;
}

.solver-proposal-item {
  margin-bottom: 0.6rem;
}
.solver-proposal-item:last-child {
  margin-bottom: 0;
}

/* Accueil : CTA unique vers le planificateur, derniers plans, lien discret vers tables/pédagogie */
a.cta-card {
  display: block;
  text-decoration: none;
  text-align: center;
  padding: 2rem 1.5rem;
  margin-bottom: var(--gap);
  background: linear-gradient(135deg, var(--marine-800), var(--marine-600));
  border-color: transparent;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
a.cta-card:hover, a.cta-card:focus-visible {
  box-shadow: 0 4px 18px rgba(11, 58, 92, 0.28);
  transform: translateY(-2px);
}
a.cta-card h2 {
  margin-top: 0;
  color: var(--white);
  font-size: 1.6rem;
}
a.cta-card p {
  margin-bottom: 0;
  color: var(--marine-100);
}

a.card-discreet {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--marine-50);
}
a.card-discreet h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  color: var(--marine-800);
}
a.card-discreet p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

#last-plans-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.last-plan-item {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line);
}
.last-plan-item:last-child { border-bottom: none; }
.last-plan-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.last-plan-date { font-size: 0.8rem; color: var(--ink-soft); }
.last-plan-summary { font-weight: 600; }
.last-plan-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

/* Pied de page, sur toutes les pages */
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.5rem 1rem 2rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}
.site-footer p { margin: 0.2rem 0; }
.site-footer nav a { color: var(--marine-600); }
body.expert-page .site-footer { max-width: min(1600px, 95vw); }

/* Modale disclaimer : non-fermable au clic sur le fond, seul le bouton ferme */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(6, 38, 63, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
.modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.25rem;
  max-width: 30rem;
  width: 100%;
  box-shadow: 0 8px 30px rgba(6, 38, 63, 0.35);
}
.modal h2 { margin-top: 0; }
.modal-actions {
  margin-top: 1rem;
  display: flex;
  justify-content: flex-end;
}

/* Impression : uniquement la carte de plongée, noir et blanc, pas de navigation */
@media print {
  body.print-card * {
    visibility: hidden;
  }
  body.print-card .dive-card,
  body.print-card .dive-card * {
    visibility: visible;
  }
  body.print-card .dive-card {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border: none;
    box-shadow: none;
  }
  body.print-card {
    background: var(--white);
  }
  body.print-card .stat-block {
    background: var(--white);
    color: var(--ink);
    border: 1px solid #000;
  }
  body.print-card .stat-block .label {
    color: #333;
  }
  body.print-card .stat-block.stat-ok,
  body.print-card .stat-block.stat-warn {
    background: var(--white);
    color: #000;
    border: 1px solid #000;
  }
  nav, header.site-header, .no-print {
    display: none !important;
  }
}