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

:root {
  --primary: #8b1fff;
  --secondary: #00bfff;
  --accent: #ff0099;
  --bg: #0a0a0f;
  --bg-elevated: rgba(11, 7, 44, 0.44);
  --bg-elevated-solid: #0b072c;
  --text: #ffffff;
  --text-secondary: #a0a0b0;
  --border: rgba(255, 255, 255, 0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2.5rem 1.25rem;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(139, 31, 255, 0.32),
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(33, 150, 243, 0.37),
      transparent 50%
    );
  pointer-events: none;
  z-index: -1;
  animation: bgFloat 20s ease-in-out infinite alternate;
}

@keyframes bgFloat {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-30px, -30px);
  }
}

.container {
  background: var(--bg-elevated);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  max-width: 1000px;
  width: 100%;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 40px rgba(139, 31, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 20px 20px 0 0;
}

h1 {
  text-align: center;
  color: var(--text);
  margin-bottom: 1rem;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 i {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-section {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
  margin: 0;
}

.upload-area {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 2rem;
  background: rgba(139, 31, 255, 0.03);
  position: relative;
}

.upload-area.hidden {
  display: none;
}

.upload-area:hover {
  border-color: rgba(139, 31, 255, 0.5);
  background: rgba(139, 31, 255, 0.08);
  box-shadow: 0 8px 24px rgba(139, 31, 255, 0.15);
}

.upload-area.dragover {
  background: rgba(139, 31, 255, 0.12);
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(139, 31, 255, 0.3);
}

#fileInput {
  display: none;
}

.upload-area h3 {
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

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

.upload-hint {
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

.upload-icon {
  font-size: 3em;
  margin-bottom: 1rem;
  color: var(--primary);
  opacity: 0.8;
}

.preview-section {
  display: none;
  margin-bottom: 1.875rem;
}

.preview-section.active {
  display: block;
}

#imagePreview {
  max-width: 100%;
  max-height: 300px;
  border-radius: 10px;
  display: block;
  margin: 0 auto 1.25rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.palette-section {
  display: none;
}

.palette-section.active {
  display: block;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.9375rem;
  margin-top: 1.25rem;
}

.mockup-section {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.mockup-section h2 {
  color: var(--text);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.mockup-tabs {
  display: flex;
  gap: 0.75rem;
  margin-block: 1.5rem;
  flex-wrap: wrap;
}

.mockup-tab {
  padding: 0.625rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.mockup-tab:hover {
  background: rgba(139, 31, 255, 0.1);
  border-color: rgba(139, 31, 255, 0.3);
  color: var(--text);
}

.mockup-tab.active {
  background: linear-gradient(
    135deg,
    rgba(139, 31, 255, 0.2),
    rgba(0, 191, 255, 0.2)
  );
  border-color: var(--primary);
  color: var(--text);
}

.mockup-container {
  background: rgba(249, 249, 249, 0.07);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  min-height: 400px;
}

.mockup-preview {
  display: none;
}

.mockup-preview.active {
  display: block;
}

/* Website Mockup */
.website-mockup {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  color: #333;
}

.mockup-header {
  padding: 1.25rem 1.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--palette-primary, #8b1fff);
  color: white;
}

.mockup-logo {
  font-weight: bold;
  font-size: 1.3em;
  color: white;
}

.mockup-nav {
  display: flex;
  gap: 1.5625rem;
  font-size: 0.9em;
  color: rgba(255, 255, 255, 0.9);
}

.mockup-hero {
  padding: 3.75rem 1.875rem;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--palette-primary, #8b1fff),
    var(--palette-secondary, #00bfff)
  );
  color: white;
}

.mockup-hero h2 {
  font-size: 2.5em;
  margin-bottom: 0.9375rem;
  color: white;
}

.mockup-hero p {
  font-size: 1.1em;
  margin-bottom: 1.5625rem;
  opacity: 0.9;
  color: white;
}

.mockup-btn {
  display: inline-block;
  padding: 0.9375rem 2.5rem;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  background: var(--palette-accent, #ff0099);
  color: white;
}

.mockup-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  padding: 2.5rem 1.875rem;
}

.mockup-feature {
  padding: 1.5625rem;
  border-radius: 10px;
  text-align: center;
}

#feature1 {
  background: color-mix(in srgb, var(--palette-primary, #8b1fff) 8%, white);
  color: var(--palette-primary, #8b1fff);
}

#feature2 {
  background: color-mix(in srgb, var(--palette-secondary, #00bfff) 8%, white);
  color: var(--palette-secondary, #00bfff);
}

#feature3 {
  background: color-mix(in srgb, var(--palette-accent, #ff0099) 8%, white);
  color: var(--palette-accent, #ff0099);
}

.mockup-feature h3 {
  color: inherit;
}

.mockup-feature p {
  color: inherit;
  opacity: 0.8;
}

.feature-icon {
  font-size: 2.5em;
  margin-bottom: 0.625rem;
}

/* App Mockup */
.app-mockup {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: 400px;
  margin: 0 auto;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
  color: #333;
}

.app-header {
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--palette-primary, #8b1fff);
  color: white;
}

.app-header i {
  color: white;
}

.app-title {
  font-size: 1.5em;
  font-weight: bold;
  color: white;
}

.app-content {
  padding: 1.25rem;
}

.app-card {
  padding: 1.25rem;
  border-radius: 12px;
  margin-bottom: 0.9375rem;
  color: #333;
}

.app-card:last-child {
  margin-bottom: 0;
}

#appCard1 {
  background: color-mix(in srgb, var(--palette-primary, #8b1fff) 8%, white);
  border-left: 4px solid var(--palette-primary, #8b1fff);
}

#appCard2 {
  background: color-mix(in srgb, var(--palette-secondary, #00bfff) 8%, white);
  border-left: 4px solid var(--palette-secondary, #00bfff);
}

#appCard3 {
  background: color-mix(in srgb, var(--palette-accent, #ff0099) 8%, white);
  border-left: 4px solid var(--palette-accent, #ff0099);
}

.app-card h4 {
  margin-bottom: 0.5rem;
  font-size: 1.1em;
  color: #333;
}

.app-card p {
  font-size: 0.9em;
  opacity: 0.8;
  color: #555;
}

.app-nav {
  display: flex;
  justify-content: space-around;
  padding: 1.25rem;
  border-top: 1px solid #e0e0e0;
  color: #666;
}

.app-nav-item {
  text-align: center;
  font-size: 0.85em;
  color: #666;
}

#appNav1 {
  color: var(--palette-primary, #8b1fff);
}

.app-nav-icon {
  font-size: 1.5em;
  margin-bottom: 0.3125rem;
  color: inherit;
}

/* Dashboard Mockup */
.dashboard-mockup {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  color: #333;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.875rem;
  color: #333;
}

.dashboard-header h2 {
  color: #333;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.875rem;
}

.stat-card {
  padding: 1.5625rem;
  border-radius: 12px;
  color: #333;
}

#stat1 {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--palette-primary, #8b1fff) 12%, white),
    color-mix(in srgb, var(--palette-primary, #8b1fff) 3%, white)
  );
  border-left: 4px solid var(--palette-primary, #8b1fff);
}

#stat2 {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--palette-secondary, #00bfff) 12%, white),
    color-mix(in srgb, var(--palette-secondary, #00bfff) 3%, white)
  );
  border-left: 4px solid var(--palette-secondary, #00bfff);
}

#stat3 {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--palette-accent, #ff0099) 12%, white),
    color-mix(in srgb, var(--palette-accent, #ff0099) 3%, white)
  );
  border-left: 4px solid var(--palette-accent, #ff0099);
}

.stat-value {
  font-size: 2em;
  font-weight: bold;
  margin: 0.625rem 0;
  color: #333;
}

.stat-label {
  font-size: 0.9em;
  color: #666;
}

.stat-change {
  font-size: 0.85em;
  color: #666;
  opacity: 0.7;
}

.mockup-btn-small {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

#dashboardBtn {
  background: var(--palette-primary, #8b1fff);
  color: white;
  border: 0;
}

.dashboard-chart {
  padding: 1.875rem;
  border-radius: 12px;
  text-align: center;
  color: #333;
  background: color-mix(in srgb, var(--palette-primary, #8b1fff) 5%, white);
}

.dashboard-chart h3 {
  color: #333;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.chart-placeholder {
  height: 150px;
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  gap: 0.5rem;
  border-radius: 8px;
  padding: 0 1.25rem;
}

.chart-bar {
  flex: 1;
  border-radius: 4px 4px 0 0;
  transition: transform 0.3s ease;
}

.chart-bar:hover {
  transform: translateY(-4px);
}

.chart-bar:nth-child(1) {
  height: 60%;
  background: var(--palette-primary, #8b1fff);
}

.chart-bar:nth-child(2) {
  height: 85%;
  background: var(--palette-secondary, #00bfff);
}

.chart-bar:nth-child(3) {
  height: 45%;
  background: var(--palette-accent, #ff0099);
}

.chart-bar:nth-child(4) {
  height: 70%;
  background: var(--palette-primary, #8b1fff);
  opacity: 0.6;
}

.chart-bar:nth-child(5) {
  height: 55%;
  background: var(--palette-secondary, #00bfff);
  opacity: 0.7;
}

.palette-section p {
  color: inherit;
}

.color-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.color-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s;
}

.color-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 24px rgba(139, 31, 255, 0.2);
  border-color: rgba(139, 31, 255, 0.5);
}

.color-card:hover::before {
  opacity: 1;
}

.color-swatch {
  height: 120px;
  width: 100%;
}

.color-info {
  padding: 1.125rem;
  text-align: center;
  background: rgba(249, 249, 249, 0.07);
}

.color-hex {
  font-family: "Courier New", monospace;
  font-weight: 600;
  color: var(--text);
  font-size: 1.1em;
  letter-spacing: 0.05em;
}

.copy-hint {
  font-size: 0.75em;
  color: var(--text-secondary);
  margin-top: 0.375rem;
}

.notification {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: linear-gradient(
    135deg,
    rgba(139, 31, 255, 0.9),
    rgba(0, 191, 255, 0.9)
  );
  backdrop-filter: blur(10px);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 20px rgba(139, 31, 255, 0.3);
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  pointer-events: none;
  font-weight: 500;
  z-index: 1000;
}

.notification.show {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  background: linear-gradient(135deg, #8b1fff 0%, #00bfff 100%);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 1.5rem;
  box-shadow: 0 4px 16px rgba(139, 31, 255, 0.3);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #a855f7 0%, #3b82f6 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.btn:hover {
  box-shadow: 0 8px 24px rgba(139, 31, 255, 0.5);
  transform: translateY(-2px);
}

.btn:hover::before {
  opacity: 1;
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  margin-top: 0;
}

.loading {
  text-align: center;
  color: var(--primary);
  font-size: 1.125rem;
  display: none;
  margin: 1.5rem 0;
  animation: pulse 2s ease-in-out infinite;
}

.loading.active {
  display: block;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* Responsive */
@media (max-width: 968px) {
  .container {
    padding: 2rem;
  }

  h1 {
    font-size: 2.25rem;
  }

  .upload-area {
    padding: 2rem;
  }

  .palette-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    padding: 1.25rem 0.75rem;
  }

  .container {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .header-section {
    flex-direction: column;
    gap: 0.75rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .upload-area {
    padding: 1.5rem;
  }

  .palette-grid {
    grid-template-columns: 1fr;
  }

  .notification {
    top: 1.25rem;
    right: 1.25rem;
    left: 1.25rem;
    text-align: center;
  }

  .mockup-container {
    padding: 1.25rem;
  }
}