/* ============================================================
   PAGES PROJET IA & AUTOMATISATION
   Complète project-bcp.css (intro, meta, sections, photo slots) :
   fiches agents, terminal de démo, chips de stack, config repliée,
   encadré métriques, playground. Tout sur la charte du site.
   ============================================================ */

/* Le hero peut ne pas encore avoir de photo : fond neutre en attendant */
.project-detail__stage {
  background: color-mix(in srgb, var(--ink) 14%, var(--white));
}

/* ---------- Tête de la section agents ---------- */

.ia-sec-head {
  border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  padding-top: clamp(1.2rem, 3vh, 1.8rem);
  margin-bottom: clamp(2rem, 5vh, 3rem);
}

.ia-sec-head__title {
  font: var(--type-h3);
  letter-spacing: var(--ls-title);
  color: var(--ink);
  margin: 0.7rem 0 0.8rem;
  max-width: 26ch;
}

.ia-sec-head__intro {
  font: var(--type-body);
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  margin: 0;
  max-width: 42rem;
}

/* ---------- Cartes agents (grille) ---------- */

.ia-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(26rem, 100%), 1fr));
  gap: clamp(1.3rem, 2.6vw, 2rem);
}

.ia-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: left;
  background: var(--beige);
  border: 1px solid color-mix(in srgb, var(--ink) 18%, transparent);
  border-radius: var(--radius-lg, 16px);
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.ia-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--ink) 28%, transparent);
  box-shadow: 0 18px 44px rgba(34, 34, 34, 0.13);
}

/* Mini-fenêtre terminal en tête de carte : l'identité visuelle de l'agent */
.ia-card__term {
  display: block;
  background: #171614;
  padding: 1rem 1.4rem 1.15rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.22s ease;
}

.ia-card:hover .ia-card__term {
  border-bottom-color: var(--gold);
}

.ia-card__dots {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.55rem;
}

.ia-card__dots i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
}

.ia-card__dots i:nth-child(1) { background: #ff5f57; }
.ia-card__dots i:nth-child(2) { background: #febc2e; }
.ia-card__dots i:nth-child(3) { background: #28c840; }

.ia-card__line {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--sky);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ia-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  flex-grow: 1;
  padding: clamp(1.6rem, 3vw, 2.2rem);
}

.ia-card__type {
  font: var(--type-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--gold);
}

.ia-card__name {
  font: var(--type-h3);
  letter-spacing: var(--ls-title);
  color: var(--ink);
}

.ia-card__tl {
  font: var(--type-body);
  color: color-mix(in srgb, var(--ink) 75%, transparent);
  flex-grow: 1;
}

.ia-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 0.7rem;
}

.ia-card__metric {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.75rem;
  color: var(--teal-dark);
}

/* Flèche ronde, comme les boutons de navigation du site */
.ia-card__arrow {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--ink) 30%, transparent);
  color: var(--ink);
  font-size: 0.95rem;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.ia-card:hover .ia-card__arrow {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
  transform: translateX(3px);
}

/* ---------- Pop-up de détail : panneau clair, structure du prototype ---------- */

.ia-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: color-mix(in srgb, var(--ink) 42%, transparent);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  overscroll-behavior: contain;
}

.ia-overlay[hidden] {
  display: none;
}

.ia-modal {
  position: relative;
  width: 100%;
  max-width: 47.5rem;
  /* double garde-fou : vh partout, dvh quand le navigateur le gère */
  max-height: calc(100vh - 2.4rem);
  max-height: calc(100dvh - 2.4rem);
  display: flex;
  flex-direction: column;
  background: var(--beige);
  border: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
  border-radius: var(--radius-lg, 18px);
  padding: 0;
  overflow: hidden;
  animation: ia-pop 0.22s ease;
}

@keyframes ia-pop {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .ia-modal { animation: none; }
}

.ia-modal__close {
  position: absolute;
  top: 1.05rem;
  right: 1.05rem;
  z-index: 2;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  background: var(--beige);
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease;
}

.ia-modal__close:hover {
  background: var(--sky);
}

/* Le contenu défile dans le pop-up : rien ne sort du cadre,
   la croix reste toujours visible */
.ia-modal__body {
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
}

/* La fiche : en-tête bordé + corps, comme le prototype, en clair */
.ia-modal .ia-agent {
  border-top: 0;
  padding: 0;
  max-width: 100%;
}

.ia-modal .ia-agent__ghost {
  display: none;
}

.ia-modal .ia-agent__intro {
  padding: clamp(1.4rem, 3vw, 1.8rem) clamp(1.4rem, 3.5vw, 2rem) clamp(1rem, 2.5vw, 1.3rem);
  padding-right: 3.8rem;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 12%, transparent);
}

.ia-modal .ia-agent__head {
  margin-bottom: 0.5rem;
}

.ia-modal .ia-agent__type {
  margin-bottom: 0.4rem;
}

.ia-modal .ia-agent__name {
  overflow-wrap: break-word;
}

.ia-modal .ia-agent__tagline {
  margin-bottom: 0;
  max-width: none;
  font: var(--type-body);
}

.ia-modal .ia-agent__body {
  padding: clamp(1.3rem, 3vw, 1.7rem) clamp(1.4rem, 3.5vw, 2rem) clamp(1.6rem, 3.5vw, 2.1rem);
}

.ia-modal .ia-agent__block {
  max-width: none;
  margin-bottom: clamp(1.3rem, 3vh, 1.8rem);
}

.ia-modal .ia-agent__lead {
  overflow-wrap: break-word;
}

.ia-modal .ia-chips {
  margin-bottom: clamp(1.3rem, 3vh, 1.8rem);
}

.ia-modal .ia-term__body {
  overflow-wrap: break-word;
}

/* ---------- Fiche agent ---------- */

.ia-agent {
  position: relative;
  border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  padding: clamp(3.2rem, 8vh, 5.5rem) 0 clamp(3.6rem, 9vh, 6rem);
}

/* Numéro fantôme, comme les avis clients de la home */
.ia-agent__ghost {
  position: absolute;
  top: clamp(1.4rem, 4vh, 2.6rem);
  right: 0;
  font-size: clamp(4rem, 8vw, 6.5rem);
  font-weight: 600;
  line-height: 1;
  color: color-mix(in srgb, var(--ink) 7%, transparent);
  pointer-events: none;
  user-select: none;
}

.ia-agent__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.ia-agent__type {
  font: var(--type-eyebrow);
  text-transform: uppercase;
  letter-spacing: var(--ls-eyebrow);
  color: var(--gold);
  margin: 0 0 0.5rem;
  width: 100%;
}

.ia-agent__name {
  font: var(--type-h3);
  letter-spacing: var(--ls-title);
  color: var(--ink);
  margin: 0;
}

.ia-agent__metric {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8rem;
  color: var(--teal-dark);
  background: color-mix(in srgb, var(--teal-dark) 9%, transparent);
  border: 1px solid color-mix(in srgb, var(--teal-dark) 30%, transparent);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  white-space: nowrap;
}

.ia-agent__tagline {
  font: var(--type-body-lg);
  color: color-mix(in srgb, var(--ink) 80%, transparent);
  margin: 0 0 clamp(2rem, 4.5vh, 3rem);
  max-width: 46rem;
}

/* Explications : problème en paragraphe court, puis ce que fait l'agent
   en liste à puces, le tout empilé et bien espacé */

.ia-agent__block {
  max-width: 50rem;
  margin-bottom: clamp(2.2rem, 5vh, 3.2rem);
}

.ia-agent__block .bcpj-label {
  margin-bottom: 0.9rem;
}

.ia-agent__lead {
  font: var(--type-body);
  color: color-mix(in srgb, var(--ink) 78%, transparent);
  margin: 0;
}

.ia-agent__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ia-agent__list li {
  position: relative;
  padding-left: 1.5rem;
  font: var(--type-body);
  color: color-mix(in srgb, var(--ink) 78%, transparent);
  margin-bottom: 0.85rem;
}

.ia-agent__list li:last-child {
  margin-bottom: 0;
}

.ia-agent__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.6rem;
  height: 1.5px;
  background: var(--gold);
}

/* Petite phrase d'explication sous les labels, pour les non-initiés */
.ia-agent__hint {
  font: var(--type-body-sm, var(--type-body));
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  margin: -0.4rem 0 1.1rem;
  max-width: 46rem;
}

/* ---------- Comment ça marche : étapes numérotées (composant du site) ---------- */

.ia-agent__block--wide {
  max-width: 62rem;
}

.ia-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.8rem, 4vh, 2.8rem) clamp(2.2rem, 4.5vw, 4rem);
}

.ia-step__num {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8rem;
  color: var(--gold);
  margin-bottom: 0.55rem;
}

.ia-step__title {
  font: var(--type-body-lg);
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.45rem;
}

.ia-step__text {
  font: var(--type-body);
  color: color-mix(in srgb, var(--ink) 72%, transparent);
  margin: 0;
}

/* Chips de stack technique */

.ia-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: clamp(2rem, 4.5vh, 3rem);
}

.ia-chip {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.72rem;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
  border-radius: 7px;
  padding: 0.32rem 0.65rem;
  background: var(--white);
}

/* ---------- Terminal de démo (machine à écrire) ---------- */

.ia-term {
  border-radius: var(--radius-lg, 12px);
  overflow: hidden;
  background: #161513;
  border: 1px solid color-mix(in srgb, var(--ink) 65%, transparent);
}

.ia-term__bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1rem;
  background: #211f1c;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ia-term__dot {
  width: 0.68rem;
  height: 0.68rem;
  border-radius: 50%;
}

.ia-term__dot--1 { background: #ff5f57; }
.ia-term__dot--2 { background: #febc2e; }
.ia-term__dot--3 { background: #28c840; }

.ia-term__title {
  margin-left: 0.5rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.45);
}

.ia-term__body {
  padding: 1.1rem 1.2rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  line-height: 1.7;
}

.ia-term__in {
  color: var(--sky);
}

.ia-term__in::before {
  content: "› ";
  color: rgba(255, 255, 255, 0.35);
}

.ia-term__out {
  color: #f0ece4;
  white-space: pre-wrap;
  margin-top: 0.7rem;
  min-height: 1.2em;
}

.ia-term__btn {
  margin: 0.4rem 1.2rem 1.2rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.78rem;
  padding: 0.55rem 1.1rem;
  border-radius: 9px;
  border: 1px solid var(--gold);
  background: color-mix(in srgb, var(--gold) 14%, transparent);
  color: var(--gold);
  cursor: pointer;
  transition: background 0.2s ease;
}

.ia-term__btn:hover {
  background: color-mix(in srgb, var(--gold) 26%, transparent);
}

.ia-term__btn:disabled {
  cursor: default;
  opacity: 0.7;
}

.ia-cursor {
  display: inline-block;
  width: 0.5em;
  height: 1.05em;
  background: var(--sky);
  vertical-align: -0.15em;
  animation: ia-blink 1s steps(1) infinite;
}

@keyframes ia-blink {
  50% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ia-cursor { animation: none; }
}

/* ---------- Config réelle (system prompt) repliée ---------- */

details.ia-cfg {
  margin-top: clamp(1.2rem, 3vh, 1.8rem);
  border: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
  border-radius: 10px;
  background: var(--white);
}

details.ia-cfg summary {
  cursor: pointer;
  padding: 0.8rem 1.1rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--teal-dark);
  list-style: none;
}

details.ia-cfg summary::-webkit-details-marker { display: none; }

details.ia-cfg summary::before {
  content: "</> ";
  color: color-mix(in srgb, var(--ink) 40%, transparent);
}

details.ia-cfg[open] summary {
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 15%, transparent);
}

details.ia-cfg .ia-cfg__code {
  padding: 1rem 1.1rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.76rem;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  white-space: pre-wrap;
  line-height: 1.65;
  max-height: 17rem;
  overflow: auto;
}

/* ---------- Encadré métriques (bleu ciel, comme le blog) ---------- */

.ia-metrics {
  background: var(--sky);
  border-radius: var(--radius-lg, 12px);
  padding: clamp(1.8rem, 4vw, 2.8rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.ia-metrics__num {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--teal-dark);
  margin: 0 0 0.35rem;
}

.ia-metrics__cap {
  font: var(--type-body-sm, var(--type-body));
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  margin: 0;
}

/* ---------- Section Playground : pleine page, vert du site ---------- */

.ia-pg-section {
  padding: clamp(4rem, 9vh, 6.5rem) var(--margin);
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
}

.ia-pg-section__inner {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
}

.ia-pg-head {
  border-top: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  padding-top: clamp(1.2rem, 3vh, 1.8rem);
  margin-bottom: clamp(2rem, 5vh, 3rem);
}

.ia-pg-head__title {
  font: var(--type-h3);
  letter-spacing: var(--ls-title);
  color: var(--ink);
  margin: 0.7rem 0 0.8rem;
  max-width: 26ch;
}

.ia-pg-head__intro {
  font: var(--type-body);
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  margin: 0;
  max-width: 42rem;
}

/* Le gros carré en vert : c'est lui qui ressort */
.ia-pg-section .ia-pg {
  background: var(--teal-dark);
  border: 1px solid var(--teal-dark);
  padding: clamp(2rem, 4.5vw, 3.2rem);
}

.ia-pg-section .ia-pg__tab {
  border-color: rgba(255, 255, 255, 0.3);
  color: rgba(255, 255, 255, 0.7);
}

.ia-pg-section .ia-pg__tab.is-on {
  background: var(--white);
  border-color: var(--white);
  color: var(--teal-dark);
  font-weight: 600;
}

.ia-pg-section .ia-pg__label {
  color: rgba(255, 255, 255, 0.6);
}

.ia-pg-section .ia-pg textarea {
  background: var(--beige);
  border-color: transparent;
  color: var(--ink);
}

.ia-pg-section .ia-pg textarea:focus {
  border-color: var(--gold);
}

.ia-pg-section .ia-pg__note {
  color: rgba(255, 255, 255, 0.55);
}

.ia-pg-section .ia-pg__note b {
  color: var(--sky);
}

/* ---------- Playground (maquette, page stack) ---------- */

.ia-pg {
  border: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  border-radius: var(--radius-lg, 14px);
  background: var(--white);
  padding: clamp(1.5rem, 3.5vw, 2.4rem);
}

.ia-pg__tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.4rem;
}

.ia-pg__tab {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8rem;
  padding: 0.55rem 1rem;
  border-radius: 9px;
  border: 1px solid color-mix(in srgb, var(--ink) 25%, transparent);
  background: transparent;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
  cursor: pointer;
}

.ia-pg__tab.is-on {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
}

.ia-pg__label {
  display: block;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.76rem;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
  margin-bottom: 0.5rem;
}

.ia-pg textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--beige);
  border: 1px solid color-mix(in srgb, var(--ink) 22%, transparent);
  border-radius: 10px;
  color: var(--ink);
  font: var(--type-body);
  padding: 0.85rem;
  resize: vertical;
  min-height: 4.2rem;
}

.ia-pg textarea:focus {
  outline: none;
  border-color: var(--teal-dark);
}

.ia-pg__go {
  margin-top: 0.9rem;
}

.ia-pg__out {
  margin-top: 1.4rem;
  border-radius: var(--radius-lg, 12px);
  background: #161513;
  color: #f0ece4;
  padding: 1.2rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.82rem;
  white-space: pre-wrap;
  line-height: 1.7;
  min-height: 3.5rem;
}

.ia-pg__out .ia-pg__ph {
  color: rgba(255, 255, 255, 0.4);
}

.ia-pg__note {
  margin-top: 0.9rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.72rem;
  color: color-mix(in srgb, var(--ink) 55%, transparent);
}

.ia-pg__note b {
  color: var(--teal-dark);
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .ia-agent__block {
    margin-bottom: 2rem;
  }

  .ia-steps {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  .ia-agent__ghost {
    font-size: 3.2rem;
  }
}