:root {
  --bg: #05070b;
  --bg-panel: #10131a;
  --bg-card: #151924;
  --bg-card-focus: #1b2130;
  --accent: #4fd1ff;
  --accent-mauve: #e79bec;
  --accent-white: #dde8fb;
  --accent-soft: rgba(79, 209, 255, 0.25);
  --text-main: #f5f7ff;
  --text-muted: #a3a8b8;
  --border-card: #252a3a;
  --shadow-card: 0 12px 30px rgba(0, 0, 0, 0.45);
  --radius-card: 10px;
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.25s ease-out;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--text-main);
  font-family: var(--font-main);
}

A { color:var(--accent); }
A:visited { color:var(--accent); }

body {
  display: flex;
  flex-direction: column;
}

/* Fond en filigrane */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  bottom:0;
  right:0;
  pointer-events: none;
  margin-right: auto;
  /* background-image: url("assets/fusee.png"); */
  background-image: var(--bg-random);
  background-repeat: no-repeat;
  background-position: right center;
  background-size: contain;
  opacity: 0.55;
  pointer-events: none;
  mix-blend-mode: lighten;
  z-index: 0;
}

body::after {
  content: "";
position: absolute; 
top: 0;
  left: 0;
  right: 0;
  height: 260px;
  background-image: url("assets/frise-top-1536-450.jpg");
  background-repeat: no-repeat;
  background-position: top center;
  background-size: 900px auto;
  opacity: 0.85;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: lighten;
}

/* Header */
.site-header {
  padding: 18px 32px 10px;
  background: transparent;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.site-header h1 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.baseline {
  margin: 4px 0 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.subline {
  margin: 2px 0 0;
  font-size: 0.95rem;
  color: var(--accent);
}

/* Canvas container */
#canvas-container {
  position: relative;
  overflow: visible;
  padding-bottom: 40px;
}

/* Canvas */
#canvas {
  position: relative;
  width: 100%;
  height: auto;
  min-height: 100vh;
  padding: 24px;
  adding-top: 260px;
}

/* Masonry layout */
#canvas.masonry {
  column-count: 3;        /* nombre de colonnes */
  column-gap: 24px;       /* espace horizontal */
    max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

/* Carte */
.card {
  position: relative; /* essentiel pour masonry */
	break-inside: avoid;    /* empêche les coupures */
	margin-bottom: 24px;    /* espace vertical */
  max-width: 520px;
  max-height: 600px;
  overflow: hidden;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  color: var(--text-main);
  padding: 12px 14px;
  cursor: grab;
  user-select: none;
  transition: box-shadow var(--transition-fast),
              transform var(--transition-fast),
              background var(--transition-fast);
	opacity:0.8;
	margin-left: auto;
margin-right: auto;
}

/* Tailles */
.card.small { max-width: 300px; }
.card.medium { max-width: 400px; }
.card.large { max-width: 520px; }

.card:active {
  cursor: grabbing;
  transform: scale(1.01);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}

/* Focus */
.card.focused {
  background: var(--bg-card-focus);
  box-shadow: 0 0 0 1px var(--accent-soft), 0 18px 40px rgba(0, 0, 0, 0.7);
  opacity:1 !important;
}

/* Fade bas */
.card-fold-gradient {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(5, 7, 11, 0.9));
  pointer-events: none;
}

/* Carte dépliée */
.card.unfolded {
  max-height: none;
  overflow: visible;
}

/* Carte pliée */
.card.folded {
  max-height: 265px;
  overflow: hidden;
  position: relative;
}

.card.folded-image-text .card-text {
  max-height: 250px;
  overflow: hidden;
}

.card.folded-image-text .card-image {
  display: block; /* toujours visible */
}
.icon {
  width: 27px;
  height: 27px;
  vertical-align: middle;
  margin: 12px;
}

/* Titre */
.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 6px;
  text-align: center;
  position: relative;
  display: flex;
  align-items: center;      /* aligne verticalement la croix */
  justify-content: center;  /* garde le titre centré */
  min-height: 40px;         /* hauteur minimale stable */
  padding-top: 6px;   
}

.dl-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  align-items: center;
  justify-content: center;
  font-size: 1.7em;     /* taille adaptée SVG */
  cursor: pointer;
  z-index: 2;
  border: 0;
  background: none;      /* pas de fond */
  padding: 0;            /* pas de padding */
}
.dl-icon img {
  width: 1em;            /* le SVG suit le font-size */
  height: 1em;
  display: block;
}

.dl-icon:hover {
  opacity: 0.8;
}

/* Texte */
.card-text {
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--text-muted);
}
.card-text h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 30px;
  margin-bottom: 12px;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.card-text i, .card-text em { color: var(--accent-white); }

/* Image */
.card-image {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 8px;
  display: block;
}

/* Listes */
.card-list {
  margin: 4px 0 0;
  padding-left: 16px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.card-list li {
  margin-bottom: 2px;
}

/* Tables */
.card table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.card table th,
.card table td {
  border: 1px solid rgba(255,255,255,0.08);
  padding: 6px 8px;
}

.card table th {
  background: rgba(255,255,255,0.05);
  font-weight: 600;
  color: var(--text-main);
}

/* Bouton reset */
#reset-btn {
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 7, 11, 0.85);
  color: var(--text-muted);
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: background var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
}


/* Overlay flouté */
#card-overlay {
  pointer-events: auto;
}

/* Croix de fermeture */
.card-close {
  position: absolute;
  top: 0px;
  left: 5px;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  z-index: 999999;
  border:0;
  padding: 0;
  transition: opacity 0.2s ease-out;
}

.card-close:hover {
  opacity: 0.7;
}


/* Responsive */
/* Espace pour la frise en desktop */
@media (min-width: 901px) {
  #canvas {
    padding-top: 250px; /* libère la frise */
  }
}
/* Responsive mobile */
@media (max-width: 900px) {

  /* Frise plus petite */
  body::after {
    height: 155px;
    background-size: 600px auto;
    opacity: 0.75;
  }
  body::before {
   right:-80px;
  }

  /* Le canvas commence sous la frise */
  #canvas {
    padding-top: 165px;
  }

  /* Masonry devient une seule colonne */
  #canvas.masonry {
    column-count: 1;
    column-gap: 0;
  }

  /* Cartes en mode vertical */
  .card {
    width: 100% !important;
    max-width: none !important;
    margin-bottom: 24px;
    position: relative !important;
    left: 0 !important;
    top: 0 !important;
    break-inside: avoid;
  }
  
 .card.focused {
  position: fixed !important;
  top: 40% !important;                 /* centrage vertical adapté mobile */
  left: 50% !important;
  transform: translate(-50%, -40%) !important; /* recentrage propre */
  width: calc(100% - 32px) !important; /* marges latérales */
  max-height: calc(100vh - 40px) !important;
  overflow-y: auto !important;         /* scroll interne */
  border-radius: 12px;
  z-index: 99999;
  opacity:1 !important;
}

/* cacher la scrollbar interne */
.card.focused::-webkit-scrollbar {
  display: none;
}
}