/* === Color Palette === */
:root {
  --bg-overlay: rgba(10, 14, 39, 0.85);
  --glass-panel: rgba(26, 30, 63, 0.75);
  --glass-hover: rgba(37, 43, 79, 0.85);
  --glass-active: rgba(37, 43, 79, 0.95);
  
  --accent-purple: #b47bdb;
  --accent-magenta: #e63b8f;
  --accent-blue: #4a9fe2;
  --accent-red: #e74c3c;
  --gold: #c8aa6e;
  
  --text-primary: rgba(255, 255, 255, 0.95);
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.4);
  
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-bright: rgba(255, 255, 255, 0.2);
}

/* === Base Styles === */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: url('./background kat.jpg') center/cover fixed;
  background-color: #0a0e27;
  color: var(--text-primary);
}

/* Vignette overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
  pointer-events: none;
  z-index: 0;
}

#root {
  position: relative;
  z-index: 1;
}

/* Scrollbar styling */
.no-scrollbar {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.no-scrollbar::-webkit-scrollbar {
  display: none;
}

*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}

*::-webkit-scrollbar-thumb {
  background: rgba(180, 123, 219, 0.4);
  border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
  background: rgba(180, 123, 219, 0.6);
}

/* === Typography === */
h1, h2, h3, h4, h5 {
  color: var(--text-primary);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.5px;
  margin: 0;
}

h3 {
  font-size: 18px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* === Glass Panels === */
.glass-panel {
  background: var(--glass-panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-panel-dark {
  background: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}

/* === Left Panel - Tree === */
.tree-panel {
  background: var(--glass-panel);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border-bright);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.3);
}

.tree-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(15, 15, 15, 0.5);
  backdrop-filter: blur(8px);
}

/* === Buttons === */
button {
  background: rgba(180, 123, 219, 0.2);
  border: 1px solid rgba(180, 123, 219, 0.4);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

button:hover {
  background: rgba(180, 123, 219, 0.4);
  border-color: var(--accent-purple);
  box-shadow: 0 4px 16px rgba(180, 123, 219, 0.3);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button.active {
  background: rgba(180, 123, 219, 0.5);
  border-color: var(--accent-purple);
  box-shadow: 0 0 12px rgba(180, 123, 219, 0.4);
}

/* Button variants */
.btn-primary {
  background: rgba(74, 159, 226, 0.3);
  border-color: rgba(74, 159, 226, 0.5);
}

.btn-primary:hover {
  background: rgba(74, 159, 226, 0.5);
  border-color: var(--accent-blue);
  box-shadow: 0 4px 16px rgba(74, 159, 226, 0.4);
}

.btn-success {
  background: rgba(40, 167, 69, 0.3);
  border-color: rgba(40, 167, 69, 0.5);
}

.btn-success:hover {
  background: rgba(40, 167, 69, 0.5);
  border-color: #28a745;
  box-shadow: 0 4px 16px rgba(40, 167, 69, 0.4);
}

.btn-danger {
  background: rgba(231, 76, 60, 0.2);
  border-color: rgba(231, 76, 60, 0.4);
  color: #ff6b6b;
}

.btn-danger:hover {
  background: rgba(231, 76, 60, 0.4);
  border-color: var(--accent-red);
  box-shadow: 0 4px 16px rgba(231, 76, 60, 0.4);
}

/* === Node Cards (Tree View) === */
.node-card {
  background: var(--glass-panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid rgba(180, 123, 219, 0.5);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: all 0.2s ease;
  cursor: pointer;
}

.node-card:hover {
  background: var(--glass-hover);
  border-left-color: var(--accent-purple);
  box-shadow: 0 6px 24px rgba(180, 123, 219, 0.2);
  transform: translateY(-2px);
}

.node-card.active {
  background: var(--glass-active);
  border-left: 3px solid var(--gold);
  box-shadow: 0 8px 32px rgba(200, 170, 110, 0.3);
}

/* === List View Nodes === */
.list-node {
  background: rgba(26, 30, 63, 0.6);
  backdrop-filter: blur(8px);
  border-left: 3px solid rgba(180, 123, 219, 0.3);
  padding: 8px 12px;
  margin-bottom: 4px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.list-node:hover {
  background: rgba(37, 43, 79, 0.7);
  border-left-color: var(--accent-purple);
}

.list-node.active {
  background: rgba(37, 43, 79, 0.85);
  border-left-color: var(--gold);
  box-shadow: 0 4px 16px rgba(200, 170, 110, 0.2);
}

/* === Input Fields === */
input[type="text"],
input[type="file"] {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 13px;
  transition: all 0.2s ease;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 12px rgba(180, 123, 219, 0.3);
  background: rgba(0, 0, 0, 0.7);
}

input[type="text"]::placeholder {
  color: var(--text-muted);
}

/* === Draft Slots === */
.draft-slot {
  background: rgba(34, 34, 34, 0.8);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
}

.draft-slot:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 16px rgba(180, 123, 219, 0.3);
  transform: scale(1.03);
}

.draft-slot.selected-blue {
  border: 2px solid var(--accent-blue);
  box-shadow: 0 0 20px rgba(74, 159, 226, 0.5);
}

.draft-slot.selected-red {
  border: 2px solid var(--accent-red);
  box-shadow: 0 0 20px rgba(231, 76, 60, 0.5);
}

.draft-slot.empty {
  border: 2px dashed rgba(180, 123, 219, 0.3);
  background: rgba(0, 0, 0, 0.4);
}

/* === Champion Grid === */
.champion-portrait {
  background: rgba(34, 34, 34, 0.8);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.champion-portrait:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 16px rgba(180, 123, 219, 0.5);
  transform: scale(1.05);
}

.champion-portrait.selected {
  border: 2px solid var(--gold);
  box-shadow: 0 0 20px rgba(200, 170, 110, 0.6);
}

.champion-portrait.used {
  opacity: 0.4;
  filter: grayscale(100%);
}

.champion-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* === Side Indicators === */
.blue-side {
  background: rgba(74, 159, 226, 0.08);
  border-top: 2px solid rgba(74, 159, 226, 0.6);
  backdrop-filter: blur(8px);
  padding: 10px;
  border-radius: 8px;
}

.red-side {
  background: rgba(231, 76, 60, 0.08);
  border-top: 2px solid rgba(231, 76, 60, 0.6);
  backdrop-filter: blur(8px);
  padding: 10px;
  border-radius: 8px;
}

.team-label-blue {
  color: var(--accent-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(74, 159, 226, 0.5);
}

.team-label-red {
  color: var(--accent-red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(231, 76, 60, 0.5);
}

/* === Resize Handle === */
.resize-handle {
  width: 6px;
  cursor: col-resize;
  background: linear-gradient(90deg, 
    rgba(180, 123, 219, 0.2) 0%, 
    rgba(180, 123, 219, 0.4) 50%, 
    rgba(180, 123, 219, 0.2) 100%
  );
  transition: background 0.2s ease;
  position: relative;
}

.resize-handle:hover {
  background: linear-gradient(90deg, 
    rgba(180, 123, 219, 0.4) 0%, 
    rgba(180, 123, 219, 0.7) 50%, 
    rgba(180, 123, 219, 0.4) 100%
  );
}

.resize-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 40px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 1px;
}

/* === Tree Canvas === */
.tree-canvas {
  background: rgba(10, 14, 39, 0.7);
  backdrop-filter: blur(8px);
}

/* === Checkbox === */
input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--accent-purple);
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

input[type="checkbox"]:checked {
  background: var(--accent-purple);
  box-shadow: 0 0 8px rgba(180, 123, 219, 0.5);
}

input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* === Labels === */
label {
  cursor: pointer;
  user-select: none;
}

/* === Floating Info === */
.info-overlay {
  position: absolute;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  pointer-events: none;
  border: 1px solid var(--border-subtle);
}

/* === Animations === */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-3px); }
}

.float-animation {
  animation: float 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(180, 123, 219, 0.3); }
  50% { box-shadow: 0 0 20px rgba(180, 123, 219, 0.6); }
}

.glow-pulse {
  animation: glow-pulse 2s ease-in-out infinite;
}

/* === Utility Classes === */
.text-muted {
  color: var(--text-muted);
}

.text-secondary {
  color: var(--text-secondary);
}

.text-primary {
  color: var(--text-primary);
}