:root {
  --bg-color: #0f0f13;
  --text-color: #ffffff;
  --accent-color: #bb86fc;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --hover-overlay: rgba(0, 0, 0, 0.7);
  --font-main: 'Inter', sans-serif;
  --gap: 1rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

.app-header p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.1rem;
}

.mosaic-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--gap);
  width: 100%;
  max-width: 1200px;
  padding: 1rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
  z-index: 10;
}

.achievement-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition:
    transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1),
    box-shadow 0.3s ease;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  animation: fadeInUp 0.6s ease-out backwards;
  display: block;
  text-decoration: none;
  color: inherit;
  width: 100%;
}

.achievement-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
  border-color: rgba(255, 255, 255, 0.3);
}

.platform-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  z-index: 2;
  backdrop-filter: blur(4px);
}

.achievement-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter 0.3s ease;
}

.achievement-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: var(--hover-overlay);
  backdrop-filter: blur(4px);
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  z-index: 3;
  will-change: transform;
}

.achievement-card:hover .achievement-info {
  transform: translateY(0);
}

.achievement-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-color);
}

.achievement-desc {
  display: none;
}

.achievement-date {
  font-size: 0.75rem;
  text-align: right;
  color: var(--accent-color);
  margin-top: 0.5rem;
}

.same-game-highlight {
  border: 2px solid #ffd700 !important;
  /* Gold border */
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.5) !important;
}

.new-achievement {
  box-shadow:
    0 0 15px var(--accent-color),
    0 0 30px var(--accent-color);
  border: 1px solid var(--accent-color);
  z-index: 5;
}

.platform-icon {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 20px;
  height: 20px;
  z-index: 4;
  opacity: 0.8;
}

#lastVisitDisplay {
  font-size: 0.7rem;
  margin-top: 0.5rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: right;
  font-style: italic;
  width: 100%;
  max-width: 1200px;
}

.controls-container {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.controls-container select {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.controls-container select:hover,
.controls-container select:focus {
  border-color: var(--accent-color);
  background-color: rgba(255, 255, 255, 0.1);
  outline: none;
}

.controls-container select option {
  background-color: var(--bg-color);
  color: var(--text-color);
}

/* Toggle Buttons */
.toggle-container {
  display: flex;
  gap: 0.5rem;
}

.toggle-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toggle-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.toggle-btn.active {
  background: var(--accent-color);
  color: #000;
  border-color: var(--accent-color);
  font-weight: 600;
}

.toggle-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.load-more-container {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 2rem 0;
}

.load-more-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  padding: 0.8rem 2rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.load-more-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Custom Select */
.custom-select {
  position: relative;
  font-family: var(--font-main);
  width: 300px;
}

.select-selected {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.select-selected:after {
  position: absolute;
  content: '';
  top: 50%;
  right: 10px;
  width: 0;
  height: 0;
  border: 5px solid transparent;
  border-color: var(--text-color) transparent transparent transparent;
  transform: translateY(-25%);
}

.select-selected.select-arrow-active:after {
  border-color: transparent transparent var(--text-color) transparent;
  transform: translateY(-75%);
}

.select-items {
  position: absolute;
  background-color: #1a1a20;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 99;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 5px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.select-hide {
  display: none;
}

.select-item {
  color: var(--text-color);
  padding: 8px 16px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
}

.select-item:hover,
.same-as-selected,
.select-item.highlighted {
  background-color: rgba(255, 255, 255, 0.1);
}

.select-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.toggle-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

/* Slider Container */
.slider-container {
    position: relative;
    width: 250px;
    height: 40px;
    margin: 0 1rem;
    display: flex;
    align-items: center;
}

/* Track Background */
.slider-track-bg {
    position: absolute;
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

/* Progress Bar (Color between thumbs) */
.slider-progress {
    position: absolute;
    height: 4px;
    background-color: #008080; /* Teal color */
    border-radius: 2px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

/* Inputs (Invisible track, visible thumb) */
.slider-container input[type="range"] {
    position: absolute;
    width: 100%;
    pointer-events: none;
    -webkit-appearance: none;
    z-index: 3;
    background: none;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
}

/* Webkit Thumb */
.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    pointer-events: auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #008080;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    margin-top: 0;
    position: relative;
    z-index: 4;
}

/* Firefox Thumb */
.slider-container input[type="range"]::-moz-range-thumb {
    pointer-events: auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #008080;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    position: relative;
    z-index: 4;
}

/* Tooltips */
.slider-tooltip {
    position: absolute;
    background-color: #fff;
    color: #333;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    top: -24px;
    transform: translateX(-50%);
    white-space: nowrap;
    border: 1px solid #008080;
    z-index: 5;
    transition: left 0.05s linear;
}

/* Dropdown Search Input */
.select-search {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 8px;
    background-color: #1a1a20;
    border-bottom: 1px solid var(--glass-border);
}

.select-search input {
    width: 100%;
    padding: 8px 12px;
    border-radius: 4px;
    border: 1px solid var(--glass-border);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-family: var(--font-main);
    font-size: 0.9rem;
    outline: none;
}

.select-search input:focus {
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.1);
}

/* Refresh Button */
.refresh-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(0, 150, 136, 0.2);
  border: 1px solid rgba(0, 150, 136, 0.4);
  border-radius: 8px;
  color: #00e5cc;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.refresh-btn:hover:not(:disabled) {
  background: rgba(0, 150, 136, 0.3);
  border-color: rgba(0, 150, 136, 0.6);
  transform: translateY(-2px);
}

.refresh-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.refresh-btn.loading svg.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}