/**
 * Premium AI Background Remover - Custom Glassmorphism Stylesheet
 * allin1prosolution.site
 */

:root {
  --bg-dark: #070B16;
  --bg-card: rgba(15, 23, 42, 0.75);
  --border-glass: rgba(255, 255, 255, 0.08);
  --accent-cyan: #00f2fe;
  --accent-purple: #9d4edd;
  --accent-green: #22c55e;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --shadow-glass: 0 20px 40px rgba(0, 0, 0, 0.6);
}

[data-theme="light"] {
  --bg-dark: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.85);
  --border-glass: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --shadow-glass: 0 10px 30px rgba(0, 0, 0, 0.08);
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 20px;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  border-color: rgba(0, 242, 254, 0.25);
}

/* Text Gradients */
.text-cyan { color: var(--accent-cyan) !important; }
.text-purple { color: var(--accent-purple) !important; }
.text-gradient {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Drag & Drop Upload Zone */
.upload-dropzone {
  border: 2px dashed rgba(0, 242, 254, 0.35);
  border-radius: 24px;
  padding: 40px 20px;
  text-align: center;
  background: rgba(0, 242, 254, 0.02);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.upload-dropzone:hover,
.upload-dropzone.dragover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.08);
  transform: translateY(-2px);
}

.upload-icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(157, 78, 221, 0.15));
  border: 1px solid rgba(0, 242, 254, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--accent-cyan);
  font-size: 28px;
  animation: pulse-glow 3s infinite alternate;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 15px rgba(0, 242, 254, 0.2); }
  100% { box-shadow: 0 0 30px rgba(157, 78, 221, 0.4); }
}

/* Canvas & Image Comparison Wrapper */
.image-canvas-wrapper {
  position: relative;
  min-height: 380px;
  background-image: linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%),
                    linear-gradient(-45deg, rgba(255,255,255,0.05) 25%, transparent 25%),
                    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.05) 75%),
                    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.05) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.image-canvas-wrapper canvas,
.image-canvas-wrapper img {
  max-width: 100%;
  max-height: 480px;
  object-fit: contain;
}

/* Custom Buttons */
.btn-cyan {
  background: linear-gradient(135deg, var(--accent-cyan), #00b4d8);
  color: #070B16;
  font-weight: 700;
  border: none;
  transition: all 0.25s ease;
}

.btn-cyan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.4);
  color: #070B16;
}

.btn-purple {
  background: linear-gradient(135deg, var(--accent-purple), #7209b7);
  color: #ffffff;
  font-weight: 700;
  border: none;
}

.btn-purple:hover {
  color: #ffffff;
  box-shadow: 0 8px 25px rgba(157, 78, 221, 0.4);
}

/* Subject & Tab Nav Pills */
.nav-pills-glass .nav-link {
  color: var(--text-secondary);
  border-radius: 12px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 13px;
  transition: all 0.2s ease;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  margin-right: 6px;
  margin-bottom: 6px;
}

.nav-pills-glass .nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.nav-pills-glass .nav-link.active {
  color: #070B16;
  background: var(--accent-cyan);
  font-weight: 700;
}

/* Color & Preset Pickers */
.color-picker-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.2s ease;
  display: inline-block;
}

.color-picker-dot:hover,
.color-picker-dot.active {
  transform: scale(1.15);
  border-color: var(--accent-cyan);
}

/* Theme Toggle Button */
.theme-toggle-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: rgba(0, 242, 254, 0.15);
  transform: rotate(15deg);
}