/*
 * Periodic Table Posters — styles publics.
 *
 * Toutes les règles sont scopées sous `.ptp-root` pour éviter les collisions
 * avec les styles du thème WordPress actif.
 */

.ptp-root {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  color: #333;
}

.ptp-header {
  text-align: center;
  margin-bottom: 20px;
  max-width: 900px;
}
.ptp-header .ptp-title {
  font-size: 24px;
  margin: 0;
  color: #333;
}
.ptp-header .ptp-subtitle {
  font-size: 16px;
  margin: 5px 0 0;
  color: #555;
}
.ptp-header hr {
  margin-top: 15px;
  border: none;
  border-top: 1px solid #ddd;
}

.ptp-periodic-table {
  display: grid;
  grid-template-columns: 50px 50px 50px 10px repeat(15, 50px);
  gap: 5px;
}
.ptp-lanthanoids-table,
.ptp-actinoids-table {
  display: grid;
  grid-template-columns: repeat(15, 50px);
  gap: 5px;
  margin-top: 10px;
}
.ptp-lanthanoids-table {
  margin-top: 35px;
}

.ptp-element {
  position: relative;
  width: 50px;
  height: 50px;
  background-color: #ddd;
  color: #333;
  text-align: center;
  border-radius: 5px;
  font-size: 12px;
  font-weight: bold;
  cursor: default;
  transition: transform 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
}
.ptp-element:hover {
  transform: scale(1.5);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.ptp-element .ptp-wrapper {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 5px;
}
.ptp-element .ptp-number {
  position: absolute;
  top: 3px;
  left: 5px;
  font-size: 10px;
}
.ptp-element .ptp-symbol {
  font-size: 16px;
  margin-top: 15px;
}
.ptp-element .ptp-name {
  font-size: 8px;
  margin-top: 2px;
}
.ptp-element .ptp-mass {
  position: absolute;
  top: 3px;
  right: 5px;
  font-size: 10px;
  display: none;
}
.ptp-element:hover .ptp-mass {
  display: block;
}
.ptp-element .ptp-preview {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 5px;
}

.ptp-element.has-poster {
  border: 3px solid transparent;
  cursor: pointer;
}

.ptp-element.has-poster .ptp-symbol,
.ptp-element.has-poster .ptp-name,
.ptp-element.has-poster .ptp-number {
  transform: translateY(-3px);
}

.ptp-element.has-poster:hover .ptp-symbol,
.ptp-element.has-poster:hover .ptp-name,
.ptp-element.has-poster:hover .ptp-mass,
.ptp-element.has-poster:hover .ptp-number {
  display: none;
}
.ptp-element.has-poster:hover .ptp-preview {
  display: block;
}

.ptp-element:hover .ptp-mass,
.ptp-element:hover .ptp-number {
  font-size: 7px;
}

.ptp-empty {
  width: 50px;
  height: 50px;
  background-color: transparent;
}
.ptp-spacer {
  width: 10px;
  height: 50px;
  background-color: transparent;
}

.ptp-popup {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 100000;
}
.ptp-popup.is-open {
  display: flex;
}
.ptp-popup-content {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  text-align: center;
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
}
.ptp-popup-content h3 {
  margin: 0 0 10px;
}
.ptp-popup-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}
.ptp-close-btn {
  margin-top: 15px;
  background: #d9534f;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
}
.ptp-close-btn:hover {
  background: #c9302c;
}

/* Familles chimiques */
.ptp-element.ptp-nonmetals        { background-color: #e2eeff; color: #2b3b54; }
.ptp-element.ptp-alkali           { background-color: #d8f8ff; color: #1b4a4d; }
.ptp-element.ptp-alkaline-earth   { background-color: #ffe7e7; color: #5a2c2c; }
.ptp-element.ptp-transition-metal { background-color: #f3e8fd; color: #3b2b5a; }
.ptp-element.ptp-post-transition  { background-color: #d6f9e8; color: #2b544a; }
.ptp-element.ptp-metalloids       { background-color: #fef7e0; color: #5a4a00; }
.ptp-element.ptp-halogens         { background-color: #66ff99; color: #145c2c; }
.ptp-element.ptp-noble-gas        { background-color: #99ccff; color: #1b3b5a; }
.ptp-element.ptp-lanthanides      { background-color: #ddf1fd; color: #2b4854; }
.ptp-element.ptp-actinides        { background-color: #ffe6d4; color: #5a3a2b; }
.ptp-element.ptp-unknown          { background-color: #eeeeee; color: #444; }