/* Periodic Table Page Specific Styles */

.periodic-table-container {
  background-color: var(--card-bg);
  padding: 5px;
  border-radius: 12px;

  box-shadow: 0 4px 12px var(--shadow-color);
  margin-top: 2rem;
}

.controls-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.top-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

#element-search {
  flex-grow: 1;
  width: 97%;
  padding: 0.8rem 1.2rem;
  font-size: 1rem;
  border-radius: 25px;
  border: 1px solid var(--border-color);
  background-color: var(--primary-bg);
  color: var(--text-primary);
}

#fullscreen-btn {
  padding: 0.8rem 1.2rem;
  font-size: 0.9rem;
  background-color: var(--text-secondary);
  color: var(--card-bg);
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}
#fullscreen-btn:hover {
  background-color: var(--accent-color);
}

/* === New Filter Controls === */
.filter-controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.controls-wrapper-scrollable {
  overflow-x: auto;
  padding-bottom: 10px;
  /* Custom scrollbar for better aesthetics */
  scrollbar-width: thin;
  scrollbar-color: var(--accent-color) var(--border-color);
}
.controls-wrapper-scrollable::-webkit-scrollbar {
  height: 6px;
}
.controls-wrapper-scrollable::-webkit-scrollbar-track {
  background: var(--border-color);
  border-radius: 10px;
}
.controls-wrapper-scrollable::-webkit-scrollbar-thumb {
  background-color: var(--accent-color);
  border-radius: 10px;
}

.all-button {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}
.all-button:hover {
  background-color: #0056b3;
}

.filter-grid-wrapper {
  display: flex;
  gap: 1.5rem;
  min-width: 1000px; /* Ensure it's wide enough to scroll */
}

.filter-grid {
  background-color: var(--primary-bg);
  padding: 1rem;
  border-radius: 8px;
  flex: 1;
}

.filter-grid h4 {
  margin: 0 0 1rem 0;
  font-family: "Lora", serif;
  font-size: 1.1rem;
  color: var(--text-primary);
  text-align: left;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.filter-buttons-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.btn-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--card-bg);
  border-radius: 20px;
  padding: 4px;
  padding-right: 12px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn-wrap:hover {
  border-color: var(--accent-color);
}

.btn-wrap button {
  background: none;
  border: none;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.tick-box {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--border-color);
  transition: background-color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
}

.btn-wrap.active .tick-box {
  background-color: var(--accent-color);
}
.btn-wrap.active .tick-box::before {
  content: "✔";
}

/* Periodic Table Layout */
.periodic-table-wrapper {
  overflow: auto; /* Changed to auto for better fullscreen handling */
  margin: 2rem 0;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.periodic-table-grid {
  display: grid;
  grid-template-columns: 30px repeat(18, minmax(65px, 1fr));
  grid-template-rows: 30px repeat(10, minmax(65px, 1fr));
  gap: 4px;
  min-width: 1200px;
}

.grid-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--text-secondary);
  border-radius: 4px;
}

.series-label-placeholder {
  grid-column-start: 4;
  background-color: var(--primary-bg);
  border: 1px dashed var(--border-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
}

.element-cell {
  border-width: 2px;
  border-style: dashed;
  border-color: transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease,
    opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 4px;
  line-height: 1.2;
  text-align: center;
  position: relative;
  gap: 1px;
}

.element-cell:hover,
.element-cell.selected {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  z-index: 2;
  border-color: var(--accent-color) !important;
}

.element-cell.filtered-out {
  opacity: 0.15;
  pointer-events: none;
}

.cell-number {
  position: absolute;
  top: 3px;
  left: 4px;
  font-size: 10px;
  font-weight: 500;
}

.cell-symbol {
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 700;
}

.cell-name {
  font-size: 10px;
  word-break: break-all;
}

.cell-mass {
  font-size: 9px;
}

.series-label {
  grid-column: 4; /* Adjusted for period label column */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 500;

  border-radius: 4px;
  text-align: center;
}
[data-theme="dark"] .series-label {
  background: #333;
}

/* Details Section (Below Table) */
.details-section {
  border-radius: 8px;

  margin-top: 2rem;

  animation: fadeIn 0.5s ease;
}

.details-section[hidden] {
  display: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* New Advanced Layout Styles */
.details-layout-adv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 900px) {
  .details-layout-adv {
    grid-template-columns: 3fr 1.5fr;
    grid-template-areas: "prose sidebar";
  }
  .details-prose-adv {
    grid-area: prose;
  }
  .details-sidebar-adv {
    grid-area: sidebar;
  }
}

.details-prose-adv {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
}

.details-prose-adv h2 {
  font-size: 1.2rem;
  color: var(--accent-color);
  margin: 1.5rem 0 0.75rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}
.details-prose-adv h2:first-of-type {
  margin-top: 0;
}

.details-prose-adv h3 {
  margin: 1rem 0 0.5rem 0;
  font-size: 1rem;
  color: var(--text-primary);
  text-align: left;
}

.details-prose-adv p,
.details-prose-adv ul {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.details-prose-adv ul {
  padding-left: 1.25rem;
}

.details-prose-adv code {
  background: rgba(0, 0, 0, 0.05);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono",
    monospace;
  font-size: 0.9rem;
  color: var(--accent-color);
}
[data-theme="dark"] .details-prose-adv code {
  background: rgba(255, 255, 255, 0.1);
}

.details-prose-adv table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.details-prose-adv th,
.details-prose-adv td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px dashed var(--border-color);
}

.details-prose-adv th {
  color: var(--text-primary);
  font-weight: 600;
}

.details-sidebar-adv {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.details-sidebar-adv .sidebar-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.details-sidebar-adv h3 {
  margin: 0 0 1rem 0;
  font-size: 1.2rem;
  color: var(--accent-color);
  text-align: left;
}

.details-svg-container {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e9f5ff;
  border-radius: 8px;
}
[data-theme="dark"] .details-svg-container {
  background-color: #2c3e50;
}

.details-svg-container svg {
  width: 100%;
  height: 100%;
}

.details-key-properties {
  list-style: none;
  padding: 0;
  margin: 0;
}
.details-key-properties li {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--border-color);
}
.details-key-properties li:last-child {
  border-bottom: none;
}
.details-key-properties strong {
  color: var(--text-primary);
}

/* === Element Categories Colors === */
.alkali-metal {
  background-color: #ffebee;
  border-color: #e57373;
}
.alkaline-earth-metal {
  background-color: #fff3e0;
  border-color: #ffb74d;
}
.lanthanide {
  background-color: #fffde7;
  border-color: #fff176;
}
.actinide {
  background-color: #fce4ec;
  border-color: #f06292;
}
.transition-metal {
  background-color: #e8eaf6;
  border-color: #9fa8da;
}
.post-transition-metal {
  background-color: #e0f2f1;
  border-color: #80cbc4;
}
.metalloid {
  background-color: #f1f8e9;
  border-color: #aed581;
}
.nonmetal {
  background-color: #e1f5fe;
  border-color: #81d4fa;
}
.noble-gas {
  background-color: #f3e5f5;
  border-color: #ce93d8;
}
.unknown {
  background-color: #fafafa;
  border-color: #a2a2a2;
}
.alkali-metal .cell-number,
.alkali-metal .cell-mass {
  color: #c62828;
}
.alkaline-earth-metal .cell-number,
.alkaline-earth-metal .cell-mass {
  color: #e65100;
}
.lanthanide .cell-number,
.lanthanide .cell-mass {
  color: #f57f17;
}
.actinide .cell-number,
.actinide .cell-mass {
  color: #ad1457;
}
.transition-metal .cell-number,
.transition-metal .cell-mass {
  color: #303f9f;
}
.post-transition-metal .cell-number,
.post-transition-metal .cell-mass {
  color: #00695c;
}
.metalloid .cell-number,
.metalloid .cell-mass {
  color: #558b2f;
}
.nonmetal .cell-number,
.nonmetal .cell-mass {
  color: #0277bd;
}
.noble-gas .cell-number,
.noble-gas .cell-mass {
  color: #6a1b9a;
}
.unknown .cell-number,
.unknown .cell-mass {
  color: #616161;
}

/* DARK THEME */
[data-theme="dark"] .element-cell {
  color: #fff;
}
[data-theme="dark"] .alkali-metal {
  background-color: #4e3434;
  border-color: #e57373;
}
[data-theme="dark"] .alkaline-earth-metal {
  background-color: #53422d;
  border-color: #ffb74d;
}
[data-theme="dark"] .lanthanide {
  background-color: #535138;
  border-color: #fff176;
}
[data-theme="dark"] .actinide {
  background-color: #52333d;
  border-color: #f06292;
}
[data-theme="dark"] .transition-metal {
  background-color: #36384e;
  border-color: #9fa8da;
}
[data-theme="dark"] .post-transition-metal {
  background-color: #2e4b49;
  border-color: #80cbc4;
}
[data-theme="dark"] .metalloid {
  background-color: #3e4b38;
  border-color: #aed581;
}
[data-theme="dark"] .nonmetal {
  background-color: #2f4a58;
  border-color: #81d4fa;
}
[data-theme="dark"] .noble-gas {
  background-color: #4c3350;
  border-color: #ce93d8;
}
[data-theme="dark"] .unknown {
  background-color: #424242;
  border-color: #9e9e9e;
}
[data-theme="dark"] .cell-number,
[data-theme="dark"] .cell-mass {
  color: #eee;
}
[data-theme="dark"] .alkali-metal .cell-number,
[data-theme="dark"] .alkali-metal .cell-mass {
  color: #ffcdd2;
}
[data-theme="dark"] .alkaline-earth-metal .cell-number,
[data-theme="dark"] .alkaline-earth-metal .cell-mass {
  color: #ffe0b2;
}
[data-theme="dark"] .lanthanide .cell-number,
[data-theme="dark"] .lanthanide .cell-mass {
  color: #fff9c4;
}
[data-theme="dark"] .actinide .cell-number,
[data-theme="dark"] .actinide .cell-mass {
  color: #f8bbd0;
}
[data-theme="dark"] .transition-metal .cell-number,
[data-theme="dark"] .transition-metal .cell-mass {
  color: #c5cae9;
}
[data-theme="dark"] .post-transition-metal .cell-number,
[data-theme="dark"] .post-transition-metal .cell-mass {
  color: #b2dfdb;
}
[data-theme="dark"] .metalloid .cell-number,
[data-theme="dark"] .metalloid .cell-mass {
  color: #dcedc8;
}
[data-theme="dark"] .nonmetal .cell-number,
[data-theme="dark"] .nonmetal .cell-mass {
  color: #b3e5fc;
}
[data-theme="dark"] .noble-gas .cell-number,
[data-theme="dark"] .noble-gas .cell-mass {
  color: #e1bee7;
}
[data-theme="dark"] .unknown .cell-number,
[data-theme="dark"] .unknown .cell-mass {
  color: #eeeeee;
}

.details-prose-adv .note {
  background-color: var(--primary-bg);
  border-left: 4px solid var(--accent-color);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 25px;
}

[data-theme="dark"] .details-prose-adv .note {
  background-color: #2d2d2d;
}

.details-prose-adv .eq {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1rem;
  margin: 1rem 0;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono",
    monospace;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  font-size: 0.9rem;
  color: var(--text-primary);
}

[data-theme="dark"] .details-prose-adv .eq {
  background-color: #1a1a1a;
  border-color: #444;
}

.details-prose-adv ol {
  padding-left: 2rem;
}

.details-prose-adv ol li {
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .periodic-table-container {
    padding: 0rem;
  }
  .top-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .details-sidebar-adv {
    position: static;
  }
}
:root {
  --primary-bg: #f4f8fa;
  --card-bg: #ffffff;
  --text-primary: #1d2c3d;
  --text-secondary: #202123;
  --accent-color: #007aff;
  --border-color: #898989 !important;
  --shadow-color: rgba(29, 44, 61, 0.1);
}
.app-footer {
  margin-left: 15%;
}