/* === Variables === */
:root {
  --bg-primary: #f5f7fb;
  --bg-secondary: #e6eaf2;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --card-bg: white;
  --border: #d0d7e2;
  --accent: #5c8dff;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --transition: all 0.3s ease;
  --font: 'Inter', sans-serif;
  --icon-size: 160px;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --text-primary: #e0e0e0;
  --text-secondary: #aaaaaa;
  --card-bg: #1f1f1f;
  --border: #333;
  --accent: #0078d4;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font);
  line-height: 1.6;
  transition: var(--transition);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent), #7a6cff);
  background-clip: border-box;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

#theme-toggle {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--bg-secondary);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

#theme-toggle:hover {
  transform: rotate(10deg);
}

/* Controls */
.controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.control-group {
  flex: 1;
  min-width: 150px;
}

#search, #filter-type {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  background: var(--card-bg);
  border-radius: var(--radius);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
  font-size: 1rem;
}

#search:focus, #filter-type:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(92, 141, 255, 0.2);
}

/* Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Loading State */
#loading {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: 2rem 0;
}

/* Card: Icon + Info */
.addon-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.addon-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

/* Icon Container */
.addon-icon {
  width: 100%;
  height: 100%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.addon-icon img {
  width: 90%;
  height: 90%;
  object-fit: contain;
  opacity: 1;
  transition: var(--transition);
}

.addon-icon::before {
  content: "No Icon";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  opacity: 0;
  transition: var(--transition);
  pointer-events: none;
}

.addon-icon:empty::before,
.addon-icon > img[src=""],
.addon-icon > img:not([src]) {
  opacity: 1;
}

/* Info Section */
.addon-info {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.addon-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
  line-height: 1.3;
}

.addon-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0 0 0.75rem 0;
  flex: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.tag {
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.tag-free {
  background: #d4edda;
  color: #155724;
}

.tag-premium {
  background: #f8d7da;
  color: #721c24;
}

[data-theme="dark"] .tag-free { background: #2d6b40; color: #a8e0c0; }
[data-theme="dark"] .tag-paid { background: #84262e; color: #f5a8aa; }

/* Button */
.btn {
  display: inline-block;
  width: 100%;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  align-self: center;
  margin-top: auto;
  text-decoration: none;
}

.btn-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: auto;
}

.btn-group .btn {
  margin-top: 0 !important;
  flex: 1; /* Equal width */
  text-align: center;
}

.btn:hover {
  background: #4a6edb;
  transform: scale(1.04);
}

/* Footer */
.footer {
  text-align: center;
  margin-top: 4rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem;
  }
  .controls {
    flex-direction: column;
  }
  .grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Modal Overlay - With Animation & Blur */
.modal {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  /* Apply blur to everything behind the modal */
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px); /* Safari support */
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease;
  /* No backdrop-filter = maximum performance */
}

/* Show Modal */
.modal.show {
  opacity: 1;
  visibility: visible;
}

/* Modal Content - With Scale Animation */
.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
}

.modal-close:hover {
  opacity: 1;
  transform: rotate(90deg);
}

#modal-body {
  padding: 2rem;
}

#modal-body h2 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

#modal-body p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
  text-align: center;
}

.detail-row {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  text-align: left;
}

.detail-row strong {
  color: var(--text-primary);
  display: inline-block;
  width: 180px;
  text-align: left;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* auto-fit ensures stretch */
  gap: 0.75rem;
  margin-top: 1rem;
  width: 100%;
}

.screenshots img {
  width: 100%;   /* fills grid cell */
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: flex; /* keep it always flex */
  justify-content: center;
  align-items: center;
  
  opacity: 0;
  visibility: hidden;
  pointer-events: none; /* prevent clicks when hidden */
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 8px;
  overflow: hidden;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.lightbox.show .lightbox-content {
  transform: scale(1);
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 2rem;
  color: white;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.3s ease;
  background: none;
  border: none;
}

.lightbox-close:hover {
  opacity: 1;
}