/* =============================================================================
   GLOBAL STYLES & RESET
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

html, body {
  font-family: "Inter", sans-serif;
  background: #0d1117;
  color: #f0f6fc;
  overflow: hidden !important;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
}

/* Allow text selection for input fields */
input, textarea {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* Allow drag and drop for draggable elements */
[draggable="true"] {
  -webkit-user-drag: element !important;
  cursor: grab !important;
}

[draggable="true"]:active {
  cursor: grabbing !important;
}

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

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: #161b22;
  border-bottom: 1px solid #30363d;
  height: 60px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-left h1 {
  color: #f0db4f;
  font-size: 24px;
  font-weight: 700;
  margin: 0;
}

.progress-display {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-progress-bar {
  width: 200px;
  height: 24px;
  background: #21262d;
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.main-progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, #238636, #2ea043);
  border-radius: 4px;
  width: var(--progress, 0%);
  transition: width 0.3s ease;
  z-index: 1;
}

.main-progress-text {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 13px;
  color: #fff;
  font-weight: 700;
  min-width: 80px;
  z-index: 2;
  text-shadow: 1px 1px 4px #000, 0 0 2px #238636;
  pointer-events: none;
  width: 100%;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-controls {
  flex: 1;
  display: flex;
  justify-content: center;
}

#controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.header-nav {
  display: flex;
  gap: 12px;
}

.nav-btn {
  background: #21262d;
  color: #f0f6fc;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 1px solid #30363d;
}

.nav-btn:hover {
  background: #30363d;
  color: #58a6ff;
  transform: translateY(-1px);
}

/* =============================================================================
   TOOL CREDIT
   ============================================================================= */

.tool-credit {
  position: fixed;
  bottom: 16px;
  left: 16px;
  background: #161b22;
  color: #8b949e;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  border: 1px solid #30363d;
  z-index: 999;
}

.tool-credit a {
  color: #58a6ff;
  text-decoration: none;
}

.tool-credit a:hover {
  text-decoration: underline;
}

/* =============================================================================
   CONTROL BUTTONS
   ============================================================================= */

.settings-toggle {
  background: #238636;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.settings-toggle:hover {
  background: #2ea043;
}

.settings-toggle.expanded {
  background: #da3633;
}

.settings-toggle.expanded:hover {
  background: #f85149;
}

.controls-content {
  position: absolute;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 16px;
  display: none;
  z-index: 999;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  min-width: 600px;
}

.controls-content.expanded {
  display: block;
}

.controls-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  align-items: center;
}

.controls-row:last-child {
  margin-bottom: 0;
}

.controls-label {
  font-weight: 600;
  color: #8b949e;
  margin-right: 12px;
  min-width: 80px;
  font-size: 12px;
}

.control-button {
  background: #238636;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.control-button:hover {
  transform: translateY(-1px);
}

.control-button.danger {
  background: #da3633;
}

.control-button.danger:hover {
  background: #f85149;
}

.control-button.primary {
  background: #1f6feb;
}

.control-button.primary:hover {
  background: #388bfd;
}

.control-button.purple {
  background: #8957e5;
}

.control-button.purple:hover {
  background: #a475f9;
}

.control-button.success {
  background: #238636;
}

.control-button.success:hover {
  background: #2ea043;
}

.control-button.toggle-active {
  background: #fb8500;
}

.control-button.toggle-active:hover {
  background: #ffb700;
}

.control-button.toggle-inactive {
  background: #6e7681;
}

.control-button.toggle-inactive:hover {
  background: #8b949e;
}

/* =============================================================================
   MAIN GRID LAYOUT
   ============================================================================= */

.main-grid {
  display: grid;
  grid-template-columns: 1fr 300px 1fr;
  grid-template-rows: 1fr;
  gap: 20px;
  padding: 20px;
  margin-top: 60px;
  height: calc(100vh - 80px);
  overflow: hidden;
}

.characters-panel,
.selected-perks-panel,
.available-perks-panel {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  background: #21262d;
  padding: 16px;
  border-bottom: 1px solid #30363d;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-header h2 {
  color: #f0db4f;
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.character-controls {
  display: flex;
  gap: 8px;
}

.character-control-btn {
  background: #30363d;
  color: #f0f6fc;
  border: none;
  min-width: 90px;
  max-width: 180px;
  height: auto;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  white-space: normal;
  overflow-wrap: anywhere;
  text-align: center;
}

.character-control-btn:hover {
  background: #58a6ff;
  transform: translateY(-1px);
}

.character-control-btn.active {
  background: #238636;
}

.character-control-btn.active:hover {
  background: #2ea043;
}

.search-container {
  display: flex;
  gap: 8px;
}

.search-input {
  background: #0d1117;
  border: 1px solid #30363d;
  color: #f0f6fc;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  width: 200px;
}

.search-input:focus {
  outline: none;
  border-color: #58a6ff;
  box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.3);
}

/* =============================================================================
   CHARACTERS PANEL
   ============================================================================= */

.character-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  padding: 8px 12px;
  overflow-y: auto;
  flex: 1;
  grid-auto-rows: auto; /* Let row height be determined by content, prevents huge gaps */
}

.character-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.character-card img {
  width: 140px;
  height: 140px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  object-fit: cover;
}

.character-card img:hover:not(.completed):not(.selected) {
  transform: scale(1.05);
  border-color: #f0db4f !important;
}

.character-card img:hover.selected:not(.completed) {
  transform: scale(1.05);
  border-color: #58a6ff !important;
}

.character-card img:hover.completed:not(.selected) {
  transform: scale(1.05);
  border-color: limegreen !important;
}

.character-card img:hover.completed.selected {
  transform: scale(1.05);
  border-color: limegreen !important;
}

.character-card img.selected {
  border-color: #58a6ff;
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.3);
}

.character-card img.completed {
  border-color: limegreen;
  box-shadow: 0 0 0 2px rgba(46, 160, 67, 0.3);
}

.character-card img.completed.selected {
  border: 4px solid limegreen;
  box-shadow: inset 0 0 0 2px dodgerblue;
}

.character-name {
  font-size: 11px;
  color: #8b949e;
  margin-top: 6px;
  font-weight: 500;
  line-height: 1.2;
  max-width: 70px;
  word-wrap: break-word;
}

/* =============================================================================
   SELECTED PERKS PANEL
   ============================================================================= */

.selected-perks-panel .panel-header {
  text-align: center;
}

.perk-slots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  align-items: start;
  justify-items: start;
  width: max-content;
  margin: 0 auto;
}

.perk-slot {
  margin-top: 32px;
  width: 120px;
  height: 120px;
  background: #21262d;
  border: 2px dashed #30363d;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #6e7681;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.perk-slot:hover {
  border-color: #6e7681;
}

.perk-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  box-align: center;
}

.random-perk-container {
  padding: 0 20px 20px 20px;
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.random-perk-button {
  width: 120px;
  height: 40px;
  background: #8957e5;
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.random-perk-button:hover {
  background: #a475f9;
  transform: scale(1.05);
}

/* =============================================================================
   AVAILABLE PERKS PANEL
   ============================================================================= */

.perks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 16px;
  padding: 16px;
  overflow-y: auto;
  flex: 1;
  grid-auto-rows: 120px; /* Increased row height for larger perks */
}

.perk-icon {
  width: 96px;
  height: 96px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  object-fit: cover;
}

.perk-icon:hover {
  transform: scale(1.05);
  border-color: #f0db4f;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.perk-icon.used {
  opacity: 0.5;
  border-color: #da3633;
}

.perk-icon.locked {
  opacity: 0.3;
  cursor: not-allowed;
}

.perk-icon.locked:hover {
  transform: none;
  border-color: transparent;
  box-shadow: none;
}

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

@media (max-width: 1200px) {
  .main-grid {
    grid-template-columns: 1fr 280px 1fr;
    gap: 16px;
    padding: 16px;
  }
  
  .character-grid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 10px;
  }
  
  .character-card img {
    width: 60px;
    height: 60px;
  }
  
  .perk-slot, .random-perk-button {
    width: 100px;
    height: 100px;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    height: auto;
    padding: 12px;
    gap: 12px;
  }
  
  .header-left {
    flex-direction: column;
    gap: 8px;
  }
  
  .header-left h1 {
    font-size: 20px;
  }
  
  .main-progress-bar {
    width: 150px;
  }
  
  .header-nav {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .main-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr;
    margin-top: 140px;
    height: calc(100vh - 160px);
    gap: 12px;
  }
  
  .selected-perks-panel {
    order: -1;
  }
  
  .perk-slots {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 1fr auto;
    padding: 16px;
  }
  
  .perk-slot {
    width: 80px;
    height: 80px;
  }
  
  .random-perk-button {
    width: 100px;
    height: 40px;
    font-size: 20px;
    grid-column: span 4;
  }
  
  .controls-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
  }
}

/* Hide old elements */
.character-section,
.tierlist-section,
#perk-selection-area {
  display: none !important;
}