:root {
  --cyber-green: #00ffa3;
  --deep-black: #050505;
  --panel-dark: #0d0d0d;
  --off-white: #f5f5f7;
  --subtle-grey: #1a1a1a;
}

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

body {
  background-color: var(--deep-black);
  color: var(--off-white);
  overflow-x: hidden;
}

.gradient-text {
  background: linear-gradient(90deg, var(--cyber-green), #00d1ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--deep-black);
}
::-webkit-scrollbar-thumb {
  background: var(--subtle-grey);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyber-green);
}

/* Buttons */
.filter-btn {
  background: var(--panel-dark);
  color: #888;
  border: 1px border solid var(--subtle-grey);
  padding: 10px 24px;
  border-radius: 99px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.filter-btn:hover {
  border-color: var(--cyber-green);
  color: var(--cyber-green);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0, 255, 163, 0.1);
}

.filter-btn.active {
  background: var(--cyber-green);
  color: black;
  font-weight: 700;
  border-color: var(--cyber-green);
}

/* Cards */
.template-card {
  background: var(--panel-dark);
  border: 1px solid var(--subtle-grey);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  position: relative;
  opacity: 0;
  transform: translateY(20px);
}

.template-card.show {
  opacity: 1;
  transform: translateY(0);
}

.template-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 255, 163, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-image {
  height: 240px;
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111;
}

.card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.5));
}

.card-content {
  padding: 24px;
}

.category-tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--cyber-green);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: block;
}

.template-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.template-desc {
  color: #888;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  font-weight: 300;
}

.features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.feature-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: #666;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--subtle-grey);
}

.price {
  font-size: 1.25rem;
  font-weight: 700;
}

.view-btn {
  color: var(--cyber-green);
  text-decoration: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.view-btn:hover {
  gap: 12px;
  text-shadow: 0 0 10px rgba(0, 255, 163, 0.5);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------
   Preview Page Styles
   -------------------- */
.preview-body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.preview-header {
    height: 64px;
    background: var(--panel-dark);
    border-bottom: 1px solid var(--subtle-grey);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 10;
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--off-white);
}

.preview-info {
    display: flex;
    align-items: center;
    gap: 12px;
    border-left: 1px solid var(--subtle-grey);
    padding-left: 24px;
}

.preview-info h1 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.preview-badge {
    background: rgba(0, 255, 163, 0.1);
    color: var(--cyber-green);
    border: 1px solid rgba(0, 255, 163, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-family: "JetBrains Mono", monospace;
    text-transform: uppercase;
}

.device-toggles {
    display: flex;
    background: #000;
    border-radius: 8px;
    padding: 2px;
    border: 1px solid var(--subtle-grey);
}

.device-btn {
    background: transparent;
    border: none;
    color: #666;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.device-btn:hover {
    color: var(--off-white);
}

.device-btn.active {
    background: var(--subtle-grey);
    color: var(--off-white);
}

.primary-btn {
    background: var(--cyber-green);
    color: black;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s ease;
}

.primary-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 255, 163, 0.3);
}

.price-tag {
    background: rgba(0, 0, 0, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: "JetBrains Mono", monospace;
}

/* Preview Container */
.preview-container {
    flex: 1;
    background: #000;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.iframe-container, .iframe-wrapper {
    background: white;
    transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 0 40px rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.iframe-wrapper.desktop {
    width: 100%;
    height: 100%;
}

.iframe-wrapper.tablet {
    width: 768px;
    height: 90%;
    border-radius: 12px;
}

.iframe-wrapper.mobile {
    width: 375px;
    height: 90%;
    border-radius: 20px;
    border: 8px solid #333;
}

iframe {
    width: 100%;
    height: 100%;
    background: white;
    border: none;
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: var(--deep-black);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20;
    gap: 16px;
    transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 48px;
    height: 48px;
    border: 3px solid var(--subtle-grey);
    border-bottom-color: var(--cyber-green);
    border-radius: 50%;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}