/* ============================
   RESET & BASE
   ============================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1b2838, #020b16);
  color: #f5f5f5;
  line-height: 1.5;
}

/* ============================
   APP LAYOUT
   ============================ */

.app {
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2rem;
  display: flex;
  flex-direction: column;
}

/* ============================
   HEADER
   ============================ */

.app-header {
  margin-bottom: 1.5rem;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Bloc marque : logo + titre */
.header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
}

.header-title-block {
  display: flex;
  flex-direction: column;
}

.app-header h1 {
  font-family: "Rajdhani", system-ui, sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  letter-spacing: 0.04em;
}

.header-tagline {
  font-size: 0.9rem;
  opacity: 0.85;
}

.subtitle {
  margin-top: 0.5rem;
  max-width: 720px;
  font-size: 0.95rem;
  opacity: 0.85;
}

.header-line {
  margin-top: 0.75rem;
  height: 2px;
  background: linear-gradient(90deg, #00bcd4, #4caf50, transparent);
}

/* Bouton règles */

.btn-rules {
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(3, 22, 40, 0.8);
  color: #f5f5f5;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-rules:hover {
  background: rgba(0, 188, 212, 0.25);
  transform: translateY(-1px);
}

/* ============================
   MAIN
   ============================ */

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ============================
   DECK SECTION
   ============================ */

.deck-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.deck {
  position: relative;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}

.deck:hover,
.deck:focus-visible {
  border-color: #00bcd4;
  background: rgba(0, 188, 212, 0.12);
  transform: translateY(-1px);
  outline: none;
}

/* Visuels des paquets TRIZ / Lois / Concepts (agrandis) */
.deck-visual {
  width: 112px;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.4);
}

.deck-info h2 {
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 1.1rem;
}

.deck-info p {
  font-size: 0.85rem;
  opacity: 0.9;
}

/* ============================
   ACTION BUTTONS (Atelier / Tirage)
   ============================ */

.actions-section {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Boutons principaux (Atelier guidé / Tirage aléatoire) */
.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
  min-height: 3rem;
}

.btn-atelier {
  background: linear-gradient(135deg, #00bcd4, #4caf50);
  color: #020b16;
  box-shadow: 0 6px 18px rgba(0, 188, 212, 0.55);
}

.btn-atelier:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(0, 188, 212, 0.7);
}

.btn-random {
  background: rgba(255, 255, 255, 0.08);
  color: #f5f5f5;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-random:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* Icône dans les boutons principaux */
.action-icon {
  width: 24px;
  height: 24px;
}

/* ============================
   CARDS SECTION
   ============================ */

.cards-section {
  position: relative;
  margin-top: 0.5rem;
}

.cards-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.cards-header h2 {
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 1.1rem;
}

/* Bouton reset */

.btn-reset {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  color: #f5f5f5;
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.btn-reset:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

/* ============================
   ATELIER STEPS
   ============================ */

.atelier-steps {
  margin-bottom: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  background: radial-gradient(circle at top left, rgba(0, 188, 212, 0.18), transparent);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.atelier-cases {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

/* Bouton tirage cas dans l’atelier */
.atelier-cases button {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.35);
  color: #f5f5f5;
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.atelier-cases button:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.atelier-cases select {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.3);
  color: #f5f5f5;
  font-size: 0.9rem;
  padding: 0.35rem 0.9rem;
}

.step-indicator {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.step {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.06);
  opacity: 0.7;
}

.step.active {
  background: #00bcd4;
  color: #020b16;
  opacity: 1;
}

.step.done {
  background: #4caf50;
  color: #020b16;
  opacity: 0.95;
}

.atelier-instructions {
  margin-top: 0.45rem;
  font-size: 0.9rem;
  opacity: 0.9;
}

.atelier-nav {
  margin-top: 0.5rem;
  display: flex;
  gap: 0.5rem;
}

/* Boutons de navigation d’étapes */
.atelier-nav button {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.25);
  color: #f5f5f5;
  font-size: 0.9rem;
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}

.atelier-nav button:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

/* ============================
   BLUEPRINT / GRID
   ============================ */

.blueprint-grid {
  position: relative;
  border-radius: 14px;
  padding: 0.9rem;
  background: radial-gradient(circle at top, rgba(10, 120, 200, 0.2), rgba(0, 0, 0, 0.75));
  overflow: hidden;
}

.blueprint-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
}

.cards-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  z-index: 1;
}

/* ============================
   CASE LAYOUT (ÉTAPE 1)
   ============================ */

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.6fr);
  gap: 1rem;
  align-items: flex-start;
}

.case-illustration {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.case-illustration h3 {
  margin-top: 0.5rem;
  font-family: "Rajdhani", system-ui, sans-serif;
  font-size: 1.1rem;
}

.case-text p {
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

/* Illustration de cas : taille maîtrisée, image entière */

.case-image {
  display: block;
  max-width: 220px;
  max-height: 160px;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  margin-bottom: 0.5rem;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
}

@media (max-width: 720px) {
  .case-layout {
    grid-template-columns: 1fr;
  }

  .case-illustration {
    align-items: flex-start;
    text-align: left;
  }
}

/* ============================
   CARD (TRIZ / LOIS / CONCEPTS)
   ============================ */

/* Taille normale pour toutes les cartes (tirage, paquet) */
.card {
  width: 180px;
  height: 240px;
  perspective: 1000px;
}

/* Taille agrandie pour les cartes d’atelier (étapes 2 et 3) */
.card-atelier {
  width: 360px;
  height: 480px;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}

.card-inner.flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  overflow: hidden;
  backface-visibility: hidden;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.6);
}

.card-front {
  background: #111827;
}

.card-back {
  background: #020617;
  transform: rotateY(180deg);
}

/* Image de carte : image entière visible, sans recadrage destructeur */
.card-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #020617;
}

/* Zoom icon */

.zoom-icon {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: 1rem;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}

/* ============================
   MODALS
   ============================ */

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.65);
  z-index: 50;
}

.modal-content {
  background: #020617;
  border-radius: 12px;
  padding: 1rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.modal-zoom img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.modal-label {
  font-size: 0.9rem;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.6rem;
  border: none;
  background: transparent;
  color: #f5f5f5;
  font-size: 1.3rem;
  cursor: pointer;
}

/* Règles */

.rules-content h2 {
  margin-bottom: 0.5rem;
}

.rules-content h3 {
  margin-top: 0.75rem;
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.rules-content p,
.rules-content li {
  font-size: 0.9rem;
}

.rules-content ul,
.rules-content ol {
  padding-left: 1.2rem;
}

/* ============================
   FOOTER
   ============================ */

.app-footer {
  margin-top: 1.25rem;
  font-size: 0.75rem;
  opacity: 0.7;
  text-align: center;
}

/* ============================
   RESPONSIVE
   ============================ */

@media (max-width: 640px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-brand {
    align-items: flex-start;
  }

  .deck-section {
    grid-template-columns: 1fr;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-atelier {
    width: 100%;
    height: auto;
    max-width: 360px;
    max-height: 480px;
  }
}