/* ==========================================================================
   PIXEL STUDIO 2026 - MODERN DESIGN SYSTEM & STUDIO STYLING
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-deep: #09060f;
  --bg-surface: #130d21;
  --bg-card: rgba(26, 18, 43, 0.75);
  --bg-card-hover: rgba(38, 26, 64, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.22);
  
  --text-main: #fcf9f2;
  --text-muted: #a699c7;
  --text-dim: #716294;

  /* Accent Colors */
  --neon-pink: #ff3366;
  --neon-pink-glow: rgba(255, 51, 102, 0.4);
  --cyber-yellow: #ffd23f;
  --cyber-yellow-glow: rgba(255, 210, 63, 0.4);
  --electric-teal: #00f5d4;
  --electric-teal-glow: rgba(0, 245, 212, 0.4);
  --neon-purple: #9d4edd;
  --neon-purple-glow: rgba(157, 78, 221, 0.35);

  /* Typography */
  --font-ui: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;

  /* Elevations & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --shadow-stage: 0 20px 50px -10px rgba(0, 0, 0, 0.7), 0 0 35px -5px var(--neon-pink-glow);
  --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  overflow-x: hidden;
  width: 100%;
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  width: 100%;
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(157, 78, 221, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(255, 51, 102, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(0, 245, 212, 0.08) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* ==========================================================================
   TOP BAR / HEADER
   ========================================================================== */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 3.5vw, 2.5rem);
  background: rgba(15, 10, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
  color: var(--text-main);
  transition: transform 0.2s ease;
}

.logo:hover {
  transform: scale(1.03);
}

.logo-dot {
  width: 0.55em;
  height: 0.55em;
  background: var(--neon-pink);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--neon-pink);
  animation: pulse-dot 2.5s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.8; box-shadow: 0 0 18px var(--neon-pink); }
}

.version-tag {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 210, 63, 0.12);
  color: var(--cyber-yellow);
  border: 1px solid rgba(255, 210, 63, 0.3);
}

/* Tab Navigation */
.mode-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  gap: 0.25rem;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: var(--neon-pink);
  color: #fff;
  box-shadow: 0 4px 15px var(--neon-pink-glow);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.btn-ghost:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-active);
}

/* ==========================================================================
   MAIN APP LAYOUT (STUDIO VIEW)
   ========================================================================== */
.app-layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem clamp(1rem, 3.5vw, 2.5rem) 4rem;
  width: 100%;
}

.studio-view {
  display: grid;
  grid-template-columns: minmax(360px, 1.15fr) minmax(340px, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
  width: 100%;
}

/* ==========================================================================
   STAGE / PREVIEW COLUMN
   ========================================================================== */
.stage-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  width: 100%;
  min-width: 0;
  position: sticky;
  top: 5rem;
}

/* Aspect Ratio Selector Chips */
.aspect-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(20, 14, 33, 0.85);
  backdrop-filter: blur(12px);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.aspect-bar::-webkit-scrollbar {
  display: none;
}

.bar-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  padding-left: 0.4rem;
}

.aspect-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.aspect-chip:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.aspect-chip.active {
  background: rgba(255, 210, 63, 0.15);
  color: var(--cyber-yellow);
  border-color: rgba(255, 210, 63, 0.4);
}

.ratio-icon {
  display: inline-block;
  border: 1.5px solid currentColor;
  border-radius: 2px;
}
.ratio-icon.ratio-9-16 { width: 8px; height: 14px; }
.ratio-icon.ratio-1-1  { width: 11px; height: 11px; }
.ratio-icon.ratio-4-5  { width: 10px; height: 12px; }
.ratio-icon.ratio-16-9 { width: 14px; height: 8px; }

/* Canvas Stage Frame - Fluid on Mobile, Clamped on Laptops */
.stage-frame {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1 / 1;
  background: #09060f;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-stage);
  overflow: hidden;
  margin: 0 auto;
}

.stage-frame.ratio-9-16 {
  aspect-ratio: 9 / 16;
  max-width: 320px;
  max-height: 72vh;
}

.stage-frame.ratio-1-1 {
  aspect-ratio: 1 / 1;
  max-width: 460px;
}

.stage-frame.ratio-4-5 {
  aspect-ratio: 4 / 5;
  max-width: 390px;
  max-height: 72vh;
}

.stage-frame.ratio-16-9 {
  aspect-ratio: 16 / 9;
  max-width: 580px;
}

#stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

#v-pop[data-mode="pop"] .only-slide {
  display: none !important;
}
#v-pop[data-mode="slide"] .only-pop {
  display: none !important;
}

/* Ripple Ping Indicator */
.ripple-ping {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--electric-teal);
  box-shadow: 0 0 15px var(--electric-teal);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.2);
  transition: opacity 0.4s ease;
}

.ripple-ping.active {
  animation: ping-wave 0.8s cubic-bezier(0.1, 0.8, 0.2, 1) forwards;
}

@keyframes ping-wave {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; border-width: 3px; }
  100% { transform: translate(-50%, -50%) scale(3.5); opacity: 0; border-width: 1px; }
}

/* Drag and Drop Overlay */
.drop-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 9, 20, 0.88);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  z-index: 20;
}

.drop-overlay[hidden] {
  display: none;
}

.drop-card {
  text-align: center;
  padding: 2rem;
  border: 2px dashed var(--neon-pink);
  border-radius: var(--radius-lg);
  color: var(--neon-pink);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.drop-card p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}

.drop-card span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Canvas HUD Status Badges */
.stage-hud {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  display: flex;
  gap: 0.4rem;
  pointer-events: none;
  z-index: 10;
}

.hud-pill {
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-main);
}

/* Floating Replay Button */
.floating-replay {
  position: absolute;
  bottom: 0.8rem;
  right: 0.8rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(13, 9, 20, 0.75);
  backdrop-filter: blur(12px);
  color: var(--text-main);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
}

.floating-replay:hover {
  transform: rotate(-35deg) scale(1.08);
  background: var(--neon-pink);
  border-color: var(--neon-pink);
  box-shadow: 0 0 20px var(--neon-pink-glow);
}

/* Playback Scrub Bar */
.playback-bar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  max-width: 580px;
  background: rgba(19, 13, 33, 0.7);
  backdrop-filter: blur(10px);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.play-pause-btn {
  background: transparent;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0.2rem;
  transition: transform 0.15s ease;
}

.play-pause-btn:hover {
  transform: scale(1.15);
  color: var(--cyber-yellow);
}

.progress-track {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--neon-pink), var(--cyber-yellow));
  border-radius: var(--radius-full);
  transition: width 0.05s linear;
}

.time-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 70px;
  text-align: right;
}

/* Slideshow Thumbnail Tray */
.slideshow-tray {
  width: 100%;
  max-width: 580px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.slideshow-tray[hidden] {
  display: none !important;
}

.tray-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

.tray-actions {
  display: flex;
  gap: 0.4rem;
}

.btn-pill {
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  cursor: pointer;
}

.btn-pill.danger {
  color: #ff6b6b;
  border-color: rgba(255, 107, 107, 0.3);
}

.thumbnail-strip {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.3rem 0;
}

.thumb-item {
  width: 50px;
  height: 50px;
  border-radius: 6px;
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.thumb-item.active {
  border-color: var(--cyber-yellow);
  box-shadow: 0 0 10px var(--cyber-yellow-glow);
}

/* ==========================================================================
   CONTROLS PANEL COLUMN
   ========================================================================== */
.controls-column {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.panel-section {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.panel-section:hover {
  border-color: var(--border-active);
}

.header-section {
  background: linear-gradient(135deg, rgba(38, 22, 66, 0.8), rgba(20, 14, 36, 0.7));
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, #fff, #eedcfc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lede {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0 0 1.2rem;
}

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyber-yellow);
  margin-bottom: 0.9rem;
}

/* Upload Actions */
.upload-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-action.primary {
  background: linear-gradient(135deg, var(--cyber-yellow), #f3a712);
  color: #1a1001;
  box-shadow: 0 6px 20px var(--cyber-yellow-glow);
}

.btn-action.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 210, 63, 0.6);
}

.btn-action.secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-action.secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--border-active);
}

/* Sample Gallery Tray */
.sample-tray {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.sample-label {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.2rem;
}

.sample-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.sample-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-main);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sample-btn.active {
  background: rgba(255, 210, 63, 0.18);
  border-color: var(--cyber-yellow);
  color: var(--cyber-yellow);
  box-shadow: 0 0 12px var(--cyber-yellow-glow);
}

/* 1-Click Aesthetic Filter Presets */
.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.preset-chip {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-chip:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.preset-chip.active {
  background: rgba(157, 78, 221, 0.25);
  border-color: var(--neon-purple);
  color: #fff;
  box-shadow: 0 0 15px var(--neon-purple-glow);
}

/* Form Groups & Grid Inputs */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem 1rem;
}

.mt-2 {
  margin-top: 0.8rem;
}

.w-full {
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
}

select {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

select:focus {
  border-color: var(--electric-teal);
  box-shadow: 0 0 0 2px var(--electric-teal-glow);
}

.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.6rem;
}

input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}
input[type="color"]::-webkit-color-swatch {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
}

.color-hex {
  font-size: 0.8rem;
  font-family: monospace;
  color: var(--text-muted);
}

/* Sliders */
.slider-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.slider-row:last-child {
  margin-bottom: 0;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-header label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
}

.slider-val {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--electric-teal);
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--neon-pink);
  cursor: pointer;
  box-shadow: 0 0 10px var(--neon-pink-glow);
  transition: transform 0.15s ease, background 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  background: #ff5d8f;
}

/* Export Action Station */
.export-section {
  background: linear-gradient(135deg, rgba(22, 14, 38, 0.95), rgba(15, 10, 26, 0.9));
  border-color: rgba(0, 245, 212, 0.3);
}

.export-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.btn-export {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-ui);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-export.primary-export {
  background: linear-gradient(135deg, var(--electric-teal), #00bbf9);
  color: #03201a;
  box-shadow: 0 6px 25px var(--electric-teal-glow);
}

.btn-export.primary-export:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 245, 212, 0.6);
}

.btn-export.primary-export:disabled {
  opacity: 0.6;
  cursor: wait;
}

.btn-export.secondary-export {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 0.85rem;
  padding: 0.65rem 1.2rem;
}

.btn-export.secondary-export:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-active);
}

.status-tip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.status-tip svg {
  color: var(--cyber-yellow);
  flex-shrink: 0;
}

/* ==========================================================================
   BEFORE AND AFTER MODE
   ========================================================================== */
#ba-stage-frame {
  position: relative;
  width: min(500px, 92vw);
  height: min(500px, 92vw);
  max-width: 100%;
  aspect-ratio: 1 / 1;
  background: #09060f;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-stage);
  overflow: hidden;
  margin: 0 auto;
}

#ba {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
  cursor: ew-resize;
}

.ba-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #fff;
  pointer-events: none;
  left: 50%;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
}

.ba-slider-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--cyber-yellow);
  box-shadow: 0 0 15px var(--cyber-yellow-glow);
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%231a1001" stroke-width="3"><polyline points="8 4 4 12 8 20"/><polyline points="16 4 20 12 16 20"/></svg>');
  background-repeat: no-repeat;
  background-position: center;
}

/* ==========================================================================
   2026 FEATURE SHOWCASE & GUIDE
   ========================================================================== */
.features-summary {
  margin-top: 4rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 3.5rem;
}

.summary-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.summary-header h2 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.summary-header p {
  color: var(--text-muted);
  font-size: 1rem;
  margin: 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon-pink);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.feat-icon {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 0.4rem;
  color: var(--cyber-yellow);
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ==========================================================================
   FAQ SECTION (AEO, GEO & SEO OPTIMIZATION)
   ========================================================================== */
.faq-summary {
  margin-top: 3.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 3.5rem;
  margin-bottom: 2rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.4rem;
}

.faq-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.faq-card:hover {
  transform: translateY(-3px);
  border-color: rgba(57, 255, 20, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.faq-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--neon-cyan);
  line-height: 1.4;
}

.faq-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Toggle Card Mini */
.toggle-card-mini {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  user-select: none;
  transition: all 0.2s ease;
}

.toggle-card-mini:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.05);
}

.toggle-card-mini input[type="checkbox"] {
  accent-color: var(--neon-pink);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ==========================================================================
   FOOTER & CREATOR ATTRIBUTION
   ========================================================================== */
.app-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 1.5rem 3rem;
  text-align: center;
  background: rgba(10, 6, 16, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.footer-links {
  display: flex;
  justify-content: center;
  margin-bottom: 1.8rem;
}

.btn-github-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.25s ease;
}

.btn-github-pill:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--cyber-yellow);
  color: var(--cyber-yellow);
  transform: translateY(-2px);
}


.app-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(600px, 90vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyber-yellow), var(--neon-pink), transparent);
}

.creator-showcase {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.creator-badge {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1rem 1.8rem;
  background: linear-gradient(135deg, rgba(30, 20, 50, 0.85), rgba(15, 10, 26, 0.9));
  border: 1px solid rgba(255, 210, 63, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.55), 0 0 25px rgba(255, 210, 63, 0.12);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: left;
}

.creator-badge:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--cyber-yellow);
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.65), 0 0 35px rgba(255, 210, 63, 0.3);
}

.creator-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-pink), var(--cyber-yellow));
  color: #0b0714;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(255, 51, 102, 0.45);
  flex-shrink: 0;
}

.creator-meta {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.creator-kicker {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--electric-teal);
  text-transform: uppercase;
}

.creator-statement {
  margin: 0;
  font-size: 1.05rem;
  color: var(--text-muted);
  font-weight: 500;
}

.creator-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  background: linear-gradient(135deg, #ffffff 10%, var(--cyber-yellow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  letter-spacing: -0.02em;
}

.footer-content p {
  margin: 0;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-content .sub {
  margin-top: 0.4rem;
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE, TABLET & LAPTOP FRIENDLY)
   ========================================================================== */

/* Laptop & Large Screens (>= 961px) */
@media (min-width: 961px) {
  .stage-column {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
}

/* Tablets & Small Laptops (<= 960px) */
@media (max-width: 960px) {
  .app-layout {
    padding: 1.25rem clamp(1rem, 3vw, 2rem) 3.5rem;
  }

  .studio-view {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .stage-column {
    position: static;
    margin: 0 auto;
    max-width: 600px;
  }

  .top-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    gap: 0.75rem;
  }
  
  .brand {
    order: 1;
  }
  
  .header-actions {
    order: 2;
  }

  .mode-tabs {
    order: 3;
    width: 100%;
    justify-content: center;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .mode-tabs::-webkit-scrollbar {
    display: none;
  }
}

/* Tablets & Small Laptops (<= 960px) */
@media (max-width: 960px) {
  .app-layout {
    padding: 1.25rem clamp(0.75rem, 3vw, 1.5rem) 3.5rem;
    width: 100%;
  }

  .studio-view {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    width: 100%;
  }
  
  .stage-column {
    position: static;
    margin: 0 auto;
    max-width: 600px;
    width: 100%;
  }

  .controls-column {
    width: 100%;
    min-width: 0;
  }

  .top-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    gap: 0.75rem;
  }
  
  .brand {
    order: 1;
  }
  
  .header-actions {
    order: 2;
  }

  .mode-tabs {
    order: 3;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0.25rem;
    gap: 0.25rem;
  }

  .tab-btn {
    flex: 1 1 0;
    justify-content: center;
  }
}

/* Mobile Phones (<= 600px) */
@media (max-width: 600px) {
  .app-layout {
    padding: 0.75rem 0.6rem 3rem;
    width: 100%;
    overflow-x: hidden;
  }

  .top-bar {
    padding: 0.55rem 0.75rem;
    gap: 0.4rem;
  }

  .logo {
    font-size: 1.3rem;
  }

  .version-tag {
    display: none;
  }

  .mode-tabs {
    padding: 0.2rem;
    gap: 0.2rem;
    width: 100%;
    display: flex;
  }

  .tab-btn {
    flex: 1 1 0;
    padding: 0.45rem 0.4rem;
    font-size: 0.76rem;
    justify-content: center;
    gap: 0.3rem;
    min-width: 0;
  }

  .tab-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
  }

  .tab-btn span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  h1 {
    font-size: 1.55rem;
  }

  .lede {
    font-size: 0.85rem;
    margin-bottom: 0.9rem;
  }

  .panel-section {
    padding: 1rem 0.85rem;
    border-radius: var(--radius-md);
    width: 100%;
    box-sizing: border-box;
  }

  .upload-actions {
    flex-direction: column;
    width: 100%;
  }

  .upload-actions > div {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
  }

  .btn-action {
    width: 100%;
    min-height: 44px;
    justify-content: center;
    font-size: 0.88rem;
  }

  .aspect-bar {
    justify-content: flex-start;
    padding: 0.3rem 0.45rem;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .aspect-bar::-webkit-scrollbar {
    display: none;
  }

  .aspect-chip {
    padding: 0.35rem 0.65rem;
    font-size: 0.74rem;
    flex-shrink: 0;
  }

  .sample-tray {
    width: 100%;
    padding: 0.5rem 0 0.2rem;
    gap: 0.4rem;
    justify-content: space-between;
  }

  .sample-label {
    width: 100%;
    margin-bottom: 0.1rem;
  }

  .sample-btn {
    flex: 1 1 calc(33.33% - 0.4rem);
    min-width: 85px;
    justify-content: center;
    font-size: 0.75rem;
    padding: 0.45rem 0.35rem;
    min-height: 38px;
  }

  .preset-chips {
    width: 100%;
    gap: 0.4rem;
  }

  .preset-chip {
    flex: 1 1 calc(50% - 0.4rem);
    padding: 0.42rem 0.5rem;
    font-size: 0.75rem;
    text-align: center;
    justify-content: center;
  }

  .playback-bar {
    width: 100%;
    padding: 0.45rem 0.65rem;
    gap: 0.6rem;
    box-sizing: border-box;
  }

  .progress-track {
    position: relative;
    touch-action: none;
  }

  .progress-track::before {
    content: '';
    position: absolute;
    top: -12px;
    bottom: -12px;
    left: 0;
    right: 0;
  }

  .time-label {
    font-size: 0.72rem;
    min-width: 58px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .btn-export {
    width: 100%;
    min-height: 48px;
    font-size: 0.88rem;
    padding: 0.75rem 1rem;
    justify-content: center;
  }

  /* Creator Badge on Mobile */
  .creator-badge {
    flex-direction: column;
    text-align: center;
    padding: 1.25rem 1.4rem;
    gap: 0.75rem;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
  }

  .creator-avatar {
    margin: 0 auto;
  }

  .creator-meta {
    align-items: center;
  }

  .creator-name {
    font-size: 1.35rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .feature-card {
    padding: 1.1rem;
  }
}

/* Extra small mobile screens (<= 380px) */
@media (max-width: 380px) {
  .logo-text {
    font-size: 1.18rem;
  }

  .tab-btn {
    padding: 0.4rem 0.25rem;
  }

  .tab-btn span {
    font-size: 0.7rem;
  }

  .tab-btn svg {
    display: none; /* Hide icon on ultra small phones to fit text perfectly */
  }

  .sample-btn {
    flex: 1 1 100%;
  }

  .preset-chip {
    flex: 1 1 100%;
  }
}