/* ==========================================================================
   PakARQ - Gemini Watermark Remover
   100% Native Integration with PakARQ Design System (Rafenthic Purple Theme)
   ========================================================================== */

:root {
  /* PakARQ Signature Purple Palette */
  --purple-900: #1c0642;
  --purple-800: #2a0a5e;
  --purple-700: #4b14b8;
  --purple-600: #6a1cff;
  --purple-500: #7c1cff;
  --purple-400: #9a4cff;
  --purple-300: #c9a8ff;
  --purple-200: #e6d8ff;
  --purple-100: #f3ecff;
  --purple-50: #faf6ff;
  --ink: #12071b;
  --ink-2: #2d1f42;
  --muted: #594970;
  --white: #ffffff;

  /* Signature Gradients */
  --grad-hero: radial-gradient(1200px 700px at 85% -10%, #c9a8ff 0%, rgba(201, 168, 255, 0) 60%),
    radial-gradient(900px 600px at -10% 20%, #e6d8ff 0%, rgba(230, 216, 255, 0) 65%),
    linear-gradient(180deg, #faf6ff 0%, #ffffff 100%);
  --grad-purple: linear-gradient(135deg, #7c1cff 0%, #b070ff 100%);
  --grad-primary: linear-gradient(135deg, #7c1cff 0%, #b070ff 100%);
  --grad-deep: linear-gradient(135deg, #1c0642 0%, #4b14b8 50%, #7c1cff 100%);
  --grad-dark: linear-gradient(135deg, #0d041c 0%, #1c0642 100%);

  /* Legacy & Functional Aliases (Mapped to PakARQ Theme) */
  --bg-primary: #ffffff;
  --bg-secondary: #faf6ff;
  --bg-card: #ffffff;
  --bg-card-hover: #faf6ff;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border-glass: #e6d8ff;
  --border-glow: rgba(124, 28, 255, 0.4);

  --accent-cyan: #7c1cff;
  --accent-blue: #6a1cff;
  --accent-purple: #9a4cff;
  --accent-pink: #d946ef;
  --accent-gemini: linear-gradient(135deg, #7c1cff 0%, #b070ff 100%);
  --accent-gemini-glow: 0 10px 25px -8px rgba(124, 28, 255, 0.5);

  --text-primary: #12071b;
  --text-secondary: #594970;
  --text-muted: #7e6c98;

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* Shadows & Radii */
  --shadow-xl: 0 35px 70px -20px rgba(106, 28, 255, 0.28);
  --shadow-lg: 0 20px 45px -15px rgba(106, 28, 255, 0.2);
  --shadow-md: 0 12px 25px -10px rgba(106, 28, 255, 0.12);
  --shadow-sm: 0 4px 12px rgba(106, 28, 255, 0.08);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Outfit', 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--white);
  background-image: var(--grad-hero);
  background-attachment: fixed;
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Serif Accent */
.serif {
  font-family: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-style: italic;
  color: var(--purple-600);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}
::-webkit-scrollbar-track {
  background: var(--purple-50);
}
::-webkit-scrollbar-thumb {
  background: var(--purple-300);
  border-radius: 999px;
  border: 2px solid var(--purple-50);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--purple-500);
}

/* Container */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ==========================================================================
   Header / Navbar (PakARQ Floating Navbar)
   ========================================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--purple-100);
  box-shadow: 0 10px 30px rgba(42, 10, 94, 0.05);
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  background: var(--grad-purple);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
  transition: var(--transition);
}

.brand-logo:hover {
  transform: rotate(-6deg) scale(1.05);
  box-shadow: var(--shadow-lg);
}

.brand-logo svg {
  width: 24px;
  height: 24px;
  fill: #fff;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title-wrap h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--ink);
  line-height: 1.2;
}

.brand-title-wrap h1 span {
  color: var(--purple-600);
}

.brand-title-wrap p {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

/* Nav Menu Pills (Center) */
.header-nav-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  background: var(--purple-50);
  backdrop-filter: blur(12px);
  padding: 6px 16px;
  border-radius: 999px;
  border: 1px solid var(--purple-200);
  box-shadow: var(--shadow-sm);
}

.header-nav-pills a {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--ink-2);
  padding: 6px 14px;
  border-radius: 999px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.header-nav-pills a:hover {
  color: var(--purple-700);
  background: rgba(124, 28, 255, 0.08);
}

.header-nav-pills a.active {
  color: var(--purple-700);
  background: rgba(124, 28, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(124, 28, 255, 0.2);
}

/* Status Pills (Right) */
.header-status-pills {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 600;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  color: var(--purple-700);
  box-shadow: var(--shadow-sm);
}

.status-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.status-badge.ffmpeg-active {
  background: var(--purple-100);
  border-color: var(--purple-300);
  color: var(--purple-800);
}

.status-badge.ffmpeg-active .dot {
  background: var(--purple-600);
  box-shadow: 0 0 8px rgba(106, 28, 255, 0.6);
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--purple-50);
  color: var(--purple-700);
  border: 1.5px solid var(--purple-200);
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.86rem;
  transition: var(--transition);
  white-space: nowrap;
}

.header-cta-btn:hover {
  background: var(--purple-600);
  color: #fff;
  border-color: var(--purple-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   PAGE BANNER / HERO SECTION (PakARQ Signature Hero)
   ========================================================================== */
.page-banner {
  padding: 150px 0 50px;
  text-align: center;
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--purple-200);
  color: var(--purple-700);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.eyebrow i {
  color: var(--purple-600);
}

.page-banner-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.page-banner-title em,
.page-banner-title .serif {
  font-family: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  font-weight: 400;
  font-style: italic;
  color: var(--purple-600);
}

.page-banner-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ==========================================================================
   Mode Switcher Tabs (Picture vs Video)
   ========================================================================== */
.tabs-navigation {
  display: flex;
  justify-content: center;
  margin: 1.75rem auto 1.25rem;
  padding: 6px;
  background: var(--purple-50);
  border: 1.5px solid var(--purple-200);
  border-radius: var(--radius-full);
  max-width: 440px;
  box-shadow: var(--shadow-sm);
  gap: 6px;
}

.tab-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.4rem;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: 'Outfit', sans-serif;
  font-size: 0.94rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--purple-700);
  background: rgba(124, 28, 255, 0.06);
}

.tab-btn.active {
  background: var(--grad-primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 6px 18px -3px rgba(106, 28, 255, 0.38);
}

.tab-btn svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Sample Demo Bar (Chips)
   ========================================================================== */
.sample-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
  font-size: 0.85rem;
}

.sample-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 1.05rem;
  background: var(--white);
  border: 1.5px solid var(--purple-200);
  border-radius: var(--radius-full);
  color: var(--purple-700);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.sample-chip:hover {
  background: var(--purple-50);
  border-color: var(--purple-500);
  color: var(--purple-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Main Application Body & Panels
   ========================================================================== */
.app-main {
  flex: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 4rem;
  display: flex;
  flex-direction: column;
}

.tab-panel {
  display: none;
  width: 100%;
  animation: pakFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tab-panel.active {
  display: block;
}

@keyframes pakFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Upload Dropzone
   ========================================================================== */
.upload-card {
  background: var(--white);
  border: 2.5px dashed var(--purple-300);
  border-radius: var(--radius-xl);
  padding: 4.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  max-width: 760px;
  margin: 1.5rem auto 3rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.upload-card:hover, .upload-card.dragover {
  border-color: var(--purple-600);
  background: var(--purple-50);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.upload-icon-circle {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: var(--purple-100);
  border: 1.5px solid var(--purple-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-600);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.upload-card:hover .upload-icon-circle {
  transform: scale(1.1);
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.upload-card h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.upload-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.file-input {
  display: none;
}

/* ==========================================================================
   Studio Editor Layout
   ========================================================================== */
.studio-layout {
  display: grid;
  grid-template-columns: 1fr 345px;
  gap: 1.75rem;
  align-items: start;
}

@media (max-width: 1080px) {
  .studio-layout {
    grid-template-columns: 1fr;
  }
}

/* Stage Card (Viewport & Stage) */
.stage-card {
  background: var(--white);
  border: 1.5px solid var(--purple-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.stage-card:hover {
  border-color: var(--purple-200);
}

.stage-topbar {
  padding: 0.85rem 1.4rem;
  background: var(--purple-50);
  border-bottom: 1px solid var(--purple-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stage-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--ink-2);
  font-weight: 600;
}

.media-tag {
  background: var(--white);
  border: 1px solid var(--purple-200);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--purple-700);
  box-shadow: var(--shadow-sm);
}

.stage-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--purple-200);
  background: var(--white);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.tool-icon-btn:hover {
  background: var(--purple-100);
  color: var(--purple-700);
  border-color: var(--purple-400);
  transform: translateY(-1px);
}

.tool-icon-btn.active {
  background: var(--grad-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(106, 28, 255, 0.3);
}

/* Canvas Viewport (Deep Studio Stage with Contrast) */
.stage-viewport {
  position: relative;
  min-height: 540px;
  max-height: 720px;
  background: #0d0718;
  background-image: 
    linear-gradient(45deg, rgba(255,255,255,0.03) 25%, transparent 25%), 
    linear-gradient(-45deg, rgba(255,255,255,0.03) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.03) 75%), 
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.03) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
}

.canvas-wrapper {
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  border-radius: var(--radius-sm);
  overflow: hidden;
  max-width: 100%;
  max-height: 100%;
}

.canvas-wrapper canvas {
  display: block;
}

#overlayCanvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: auto;
  cursor: crosshair;
}

/* Split Compare Slider */
.split-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 14px rgba(124, 28, 255, 0.8), 0 0 24px rgba(106, 28, 255, 0.5);
  cursor: ew-resize;
  z-index: 50;
  display: none;
}

.split-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--purple-600);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--purple-700);
  font-weight: 800;
  font-size: 0.9rem;
}

.split-badge {
  position: absolute;
  top: 15px;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  background: rgba(28, 6, 66, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--purple-300);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  z-index: 40;
  display: none;
  box-shadow: var(--shadow-sm);
}
.split-badge.badge-before {
  left: 15px;
}
.split-badge.badge-after {
  right: 15px;
}

/* ==========================================================================
   Sidebar Controls & Cards
   ========================================================================== */
.controls-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.control-panel-card {
  background: var(--white);
  border: 1.5px solid var(--purple-100);
  border-radius: var(--radius-xl);
  padding: 1.4rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.control-panel-card:hover {
  border-color: var(--purple-200);
  box-shadow: var(--shadow-lg);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}

.panel-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-title svg {
  width: 18px;
  height: 18px;
  color: var(--purple-600);
}

/* Preset Buttons Grid */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.55rem;
  margin-bottom: 1.1rem;
}

.preset-btn {
  padding: 0.75rem 0.8rem;
  background: var(--purple-50);
  border: 1.5px solid var(--purple-100);
  border-radius: var(--radius-md);
  color: var(--ink-2);
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  transition: var(--transition);
  text-align: center;
}

.preset-btn:hover {
  background: var(--white);
  color: var(--purple-700);
  border-color: var(--purple-300);
  transform: translateY(-1px);
}

.preset-btn.highlight {
  border-color: var(--purple-500);
  background: var(--purple-100);
  color: var(--purple-800);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(106, 28, 255, 0.15);
}

/* Tool Mode Radio Group */
.tool-mode-group {
  display: flex;
  background: var(--purple-50);
  border: 1px solid var(--purple-100);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
  margin-bottom: 1.1rem;
}

.tool-mode-btn {
  flex: 1;
  padding: 0.55rem 0.35rem;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: 'Outfit', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  white-space: nowrap;
  transition: var(--transition);
}

.tool-mode-btn:hover {
  color: var(--purple-700);
}

.tool-mode-btn.active {
  background: var(--white);
  color: var(--purple-700);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--purple-200);
}

/* Slider Controls */
.control-row {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--ink-2);
  font-weight: 600;
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--purple-100);
  border-radius: 3px;
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--purple-600);
  border: 2px solid var(--white);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(106, 28, 255, 0.4);
  transition: transform 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Select Dropdown */
.custom-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--purple-50);
  border: 1.5px solid var(--purple-200);
  border-radius: var(--radius-md);
  color: var(--ink);
  font-family: 'Outfit', sans-serif;
  font-size: 0.86rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}

.custom-select:focus {
  border-color: var(--purple-600);
  box-shadow: 0 0 0 3px rgba(124, 28, 255, 0.12);
  background: var(--white);
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 0.95rem 1.4rem;
  border: none;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  color: #ffffff;
  font-family: 'Outfit', sans-serif;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  box-shadow: 0 10px 25px -8px rgba(124, 28, 255, 0.5);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -8px rgba(124, 28, 255, 0.65);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  width: 100%;
  padding: 0.8rem 1.1rem;
  border: 1.5px solid var(--purple-200);
  border-radius: var(--radius-md);
  background: var(--purple-50);
  color: var(--purple-700);
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--white);
  border-color: var(--purple-400);
  color: var(--purple-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Feature Highlight Card (Background Preserve) */
.feature-card-highlight {
  background: var(--purple-50);
  border: 1.5px solid var(--purple-200);
  border-radius: var(--radius-lg);
  padding: 0.95rem 1.05rem;
  margin-bottom: 1.1rem;
  transition: var(--transition);
}

.feature-card-highlight:hover {
  border-color: var(--purple-300);
  box-shadow: var(--shadow-sm);
}

/* Modern iOS / Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 25px;
  flex-shrink: 0;
  cursor: pointer;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--purple-200);
  transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 25px;
  border: 1px solid var(--purple-300);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 19px;
  width: 19px;
  left: 2px;
  bottom: 2px;
  background-color: #ffffff;
  transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(42, 10, 94, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--grad-primary);
  border-color: transparent;
  box-shadow: 0 0 12px rgba(124, 28, 255, 0.35);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(21px);
}

/* ==========================================================================
   Video Player Timeline & Controls
   ========================================================================== */
.video-timeline-wrap {
  padding: 1rem 1.4rem;
  background: var(--purple-50);
  border-top: 1px solid var(--purple-100);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.video-progress-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--purple-200);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.video-progress-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--purple-600);
  border: 2px solid #fff;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(106, 28, 255, 0.5);
}

.video-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.video-buttons-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.time-stamp {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--purple-900);
}

.video-box-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--purple-700);
  background: var(--purple-100);
  border: 1px solid var(--purple-200);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Modal & Toast Notifications
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 6, 66, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal-overlay.active {
  display: flex;
  animation: pakFadeIn 0.25s ease;
}

.modal-content {
  background: var(--white);
  border: 1.5px solid var(--purple-200);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  max-width: 480px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}

.modal-spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 1.5rem;
  border: 4px solid var(--purple-100);
  border-top-color: var(--purple-600);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.progress-track {
  width: 100%;
  height: 8px;
  background: var(--purple-100);
  border-radius: 4px;
  overflow: hidden;
  margin: 1.4rem 0 0.5rem;
}

.progress-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--grad-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 2100;
  pointer-events: none;
}

.toast {
  padding: 0.95rem 1.4rem;
  background: var(--white);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-md);
  color: var(--ink);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 15px 35px -10px rgba(106, 28, 255, 0.2);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  pointer-events: auto;
  animation: slideInRight 0.3s ease;
}

.toast.success {
  border-left: 5px solid var(--success);
}
.toast.info {
  border-left: 5px solid var(--purple-600);
}
.toast.error {
  border-left: 5px solid var(--danger);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   Full Native PakARQ Footer
   ========================================================================== */
.pak-footer {
  margin-top: auto;
  padding: 70px 0 30px;
  background: var(--white);
  border-top: 1px solid var(--purple-100);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr;
  gap: 40px;
  margin-bottom: 50px;
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 20px;
  font-family: 'Outfit', sans-serif;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--purple-600);
  transform: translateX(3px);
}

.social-circle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.social-circle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  color: var(--purple-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: var(--transition);
}

.social-circle-btn:hover {
  background: var(--purple-600);
  color: #fff;
  border-color: var(--purple-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.action-btn-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.action-purple-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  color: var(--purple-700);
  font-size: 0.88rem;
  font-weight: 700;
  transition: var(--transition);
}

.action-purple-btn:hover {
  background: var(--purple-600);
  color: #ffffff;
  border-color: var(--purple-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--purple-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 768px) {
  .header-nav-pills {
    display: none;
  }
}

/* ==========================================================================
   Live Removal Counter & Zero-Data Privacy Strip
   ========================================================================== */
.stats-counter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  background: var(--white);
  border: 1.5px solid var(--purple-100);
  border-radius: var(--radius-xl);
  padding: 14px 28px;
  max-width: 960px;
  margin: 20px auto 10px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stats-counter-bar:hover {
  border-color: var(--purple-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.stat-counter-card {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-counter-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.stat-counter-info {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.stat-counter-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.15;
}

.stat-counter-label {
  font-size: 0.74rem;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-counter-divider {
  width: 1px;
  height: 38px;
  background: var(--purple-100);
}

.stat-counter-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--purple-700);
  box-shadow: var(--shadow-sm);
}

.stat-counter-badge i {
  color: #10b981;
}

/* ==========================================================================
   Comprehensive Mobile & Tablet Responsive Optimizations
   ========================================================================== */
@media (max-width: 820px) {
  .stat-counter-divider {
    display: none;
  }
  .stats-counter-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 12px 10px;
    margin: 16px auto 14px;
    border-radius: 18px;
  }
  .stat-counter-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
    padding: 10px 6px;
    background: rgba(124, 28, 255, 0.03);
    border: 1px solid var(--purple-100);
    border-radius: 14px;
  }
  .stat-counter-icon {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
    border-radius: 10px;
  }
  .stat-counter-info {
    text-align: center;
    align-items: center;
  }
  .stat-counter-num {
    font-size: 1.15rem;
    line-height: 1.1;
  }
  .stat-counter-label {
    font-size: 0.65rem;
    letter-spacing: 0.2px;
    white-space: normal;
    line-height: 1.2;
    text-align: center;
  }
  .stat-counter-badge {
    grid-column: 1 / -1;
    width: 100%;
    justify-content: center;
    font-size: 0.74rem;
    padding: 7px 12px;
    margin-top: 2px;
    text-align: center;
    border-radius: 10px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .page-banner {
    padding: 105px 0 24px;
  }
  .eyebrow {
    font-size: 0.78rem;
    padding: 6px 14px;
    margin-bottom: 12px;
  }
  .page-banner-title {
    font-size: clamp(1.75rem, 6.8vw, 2.5rem);
    line-height: 1.18;
    margin-bottom: 10px;
  }
  .page-banner-sub {
    font-size: 0.88rem;
    line-height: 1.55;
    padding: 0 8px;
    margin-bottom: 10px;
  }
  .tabs-navigation {
    width: 100%;
    max-width: 320px;
    margin: 14px auto 0;
    padding: 4px;
  }
  .tab-btn {
    padding: 9px 14px;
    font-size: 0.84rem;
    gap: 6px;
  }
  .upload-card {
    padding: 30px 16px;
    border-radius: 20px;
  }
  .upload-icon-circle {
    width: 62px;
    height: 62px;
    font-size: 1.35rem;
    margin-bottom: 1rem;
  }
  .upload-card h2 {
    font-size: 1.25rem;
    margin-bottom: 0.4rem;
  }
  .upload-card p {
    font-size: 0.82rem;
    margin-bottom: 1.25rem;
    line-height: 1.5;
  }
  .stage-topbar {
    padding: 0.7rem 1rem;
  }
  .stage-info {
    font-size: 0.78rem;
  }
  .canvas-viewport {
    min-height: 260px;
  }
  .tools-card {
    padding: 20px 16px;
    border-radius: 20px;
  }
}

@media (max-width: 420px) {
  .stats-counter-bar {
    padding: 10px 6px;
    gap: 6px;
  }
  .stat-counter-card {
    padding: 8px 3px;
  }
  .stat-counter-icon {
    width: 28px;
    height: 28px;
    font-size: 0.78rem;
  }
  .stat-counter-num {
    font-size: 1.05rem;
  }
  .stat-counter-label {
    font-size: 0.58rem;
    letter-spacing: 0;
  }
  .stat-counter-badge {
    font-size: 0.68rem;
    padding: 5px 8px;
  }
  .tabs-navigation {
    max-width: 100%;
  }
}