/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --bg-base: #09090a;
  --bg-surface: #111109;
  --bg-card: #141410;
  --bg-card-hover: #1b1b14;
  --bg-input: #0e0e0a;

  --border: rgba(255, 255, 255, 0.07);
  --border-hover: rgba(252, 211, 77, 0.45);
  --border-active: rgba(252, 211, 77, 0.9);

  /* Yellow / Amber / White palette */
  --purple-400: #FCD34D;
  /* bright yellow */
  --purple-500: #F59E0B;
  /* amber */
  --purple-600: #D97706;
  /* dark amber */
  --pink-500: #FBBF24;
  /* golden yellow */
  --pink-400: #FDE68A;
  /* pale yellow */
  --amber-400: #FCD34D;
  /* yellow */
  --green-400: #34D399;
  --red-400: #F87171;

  --text-primary: #FFFFFF;
  --text-secondary: #A8A090;
  --text-muted: #5C5648;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-glow: 0 0 80px rgba(245, 158, 11, 0.18), 0 0 120px rgba(252, 211, 77, 0.08);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.55);

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

/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   AMBIENT BACKGROUND ORBS
   ============================================================ */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  animation: orbReveal 2s ease forwards;
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: -150px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.22) 0%, transparent 70%);
  animation-delay: 0.2s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  top: 40%;
  right: -200px;
  background: radial-gradient(circle, rgba(252, 211, 77, 0.14) 0%, transparent 70%);
  animation-delay: 0.5s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: 30%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
  animation-delay: 0.8s;
}

/* ── Floating Particles (minimal background animation) ── */
.particle {
  position: fixed;
  width: 2.5px;
  height: 2.5px;
  border-radius: 50%;
  background: rgba(252, 211, 77, 0.55);
  pointer-events: none;
  z-index: 0;
  animation: particleFloat linear infinite;
}

.particle:nth-child(1) {
  left: 5%;
  animation-duration: 12s;
  animation-delay: 0s;
  width: 3px;
  height: 3px;
  opacity: 0.7;
}

.particle:nth-child(2) {
  left: 15%;
  animation-duration: 16s;
  animation-delay: -4s;
  width: 4px;
  height: 4px;
  opacity: 0.55;
}

.particle:nth-child(3) {
  left: 25%;
  animation-duration: 10s;
  animation-delay: -2s;
  width: 2.5px;
  height: 2.5px;
  opacity: 0.65;
}

.particle:nth-child(4) {
  left: 38%;
  animation-duration: 18s;
  animation-delay: -7s;
  width: 3.5px;
  height: 3.5px;
  opacity: 0.5;
}

.particle:nth-child(5) {
  left: 50%;
  animation-duration: 13s;
  animation-delay: -1s;
  width: 3px;
  height: 3px;
  opacity: 0.6;
}

.particle:nth-child(6) {
  left: 62%;
  animation-duration: 9s;
  animation-delay: -5s;
  width: 4.5px;
  height: 4.5px;
  opacity: 0.4;
}

.particle:nth-child(7) {
  left: 73%;
  animation-duration: 14s;
  animation-delay: -3s;
  width: 2.5px;
  height: 2.5px;
  opacity: 0.65;
}

.particle:nth-child(8) {
  left: 83%;
  animation-duration: 11s;
  animation-delay: -6s;
  width: 3.5px;
  height: 3.5px;
  opacity: 0.55;
}

.particle:nth-child(9) {
  left: 92%;
  animation-duration: 15s;
  animation-delay: -2s;
  width: 2px;
  height: 2px;
  opacity: 0.7;
}

.particle:nth-child(10) {
  left: 10%;
  animation-duration: 8s;
  animation-delay: -8s;
  width: 3px;
  height: 3px;
  opacity: 0.45;
}

.particle:nth-child(11) {
  left: 44%;
  animation-duration: 17s;
  animation-delay: -9s;
  width: 4px;
  height: 4px;
  opacity: 0.4;
}

.particle:nth-child(12) {
  left: 58%;
  animation-duration: 11s;
  animation-delay: -11s;
  width: 2.5px;
  height: 2.5px;
  opacity: 0.6;
}

.particle:nth-child(13) {
  left: 30%;
  animation-duration: 20s;
  animation-delay: -5s;
  width: 3px;
  height: 3px;
  opacity: 0.35;
}

.particle:nth-child(14) {
  left: 78%;
  animation-duration: 7s;
  animation-delay: -3s;
  width: 2px;
  height: 2px;
  opacity: 0.7;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) scale(1);
    opacity: 0;
  }

  5% {
    opacity: 1;
  }

  90% {
    opacity: 0.6;
  }

  100% {
    transform: translateY(-8vh) scale(0.4);
    opacity: 0;
  }
}

@keyframes orbReveal {
  to {
    opacity: 1;
  }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  border-bottom: none;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(124, 58, 237, 0.6));
}

.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.logo-vip {
  background: linear-gradient(135deg, var(--purple-400), var(--pink-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 99px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-400);
  box-shadow: 0 0 8px var(--green-400);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

/* ============================================================
   MAIN & SCREENS
   ============================================================ */
main {
  flex: 1;
  position: relative;
  z-index: 1;
}

.screen {
  display: none;
  min-height: calc(100vh - 120px);
  padding: 4rem 2rem;
}

.screen.active {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: screenFadeIn 0.5s ease forwards;
}

@keyframes screenFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   HERO / INPUT SCREEN
   ============================================================ */
.hero-content {
  width: 100%;
  max-width: 700px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--amber-400);
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  padding: 6px 14px;
  border-radius: 99px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.gradient-text {
  background: linear-gradient(135deg, #FCD34D 0%, #FBBF24 45%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 520px;
}

/* Input Card */
.input-card {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input-card:focus-within {
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(139, 92, 246, 0.2), var(--shadow-glow);
}

/* ── Options row (mode toggle + clip count side by side) ──── */
.options-row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
}

.options-row .mode-toggle {
  flex: 1;
}

/* ── Clip Count Control ───────────────────────────────────── */
.clip-count-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 0.3rem 0.6rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-width: 110px;
}

.clip-count-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.clip-stepper {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stepper-btn {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  font-family: inherit;
  padding: 0;
}

.stepper-btn:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--purple-400);
}

.stepper-btn:active {
  transform: scale(0.9);
}

#clips-display {
  font-size: 0.88rem;
  font-weight: 700;
  min-width: 42px;
  text-align: center;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

#clips-display.clips-default {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Pulse on value change */
@keyframes countPop {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.25);
  }

  100% {
    transform: scale(1);
  }
}

.count-pop {
  animation: countPop 0.2s ease;
}

/* ── Mode Toggle (Pad / Fill) ─────────────────────────────── */
.mode-toggle {
  display: flex;
  gap: 0.5rem;
  padding: 0.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

/* hide the native radio */
.mode-toggle input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.mode-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0.55rem 0.75rem;
  border-radius: calc(var(--radius-md) - 3px);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
  position: relative;
}

.mode-hint {
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--text-muted);
  opacity: 0.7;
}

/* Active state driven by :checked */
input[type="radio"]:checked+.mode-btn {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(236, 72, 153, 0.15));
  border: 1px solid rgba(139, 92, 246, 0.5);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(139, 92, 246, 0.2);
}

input[type="radio"]:checked+.mode-btn .mode-hint {
  color: var(--purple-400);
  opacity: 1;
}

input[type="radio"]:checked+.mode-btn svg {
  stroke: var(--purple-400);
}

.mode-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.9rem 1.1rem;
  transition: border-color var(--transition);
}

.input-wrapper:focus-within {
  border-color: var(--purple-500);
}

.input-icon {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition);
}

.input-wrapper:focus-within .input-icon {
  color: var(--purple-400);
}

#youtube-url-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-primary);
  caret-color: var(--purple-400);
}

#youtube-url-input::placeholder {
  color: var(--text-muted);
}

#youtube-url-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Advanced Options ────────────────────────────────────── */
.advanced-options {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 0.25rem;
}

.option-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.25rem;
}

.option-title {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.badge-new {
  font-size: 0.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--purple-400), var(--pink-500));
  color: #000;
  padding: 2px 6px;
  border-radius: 4px;
}

.advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.5rem;
  align-items: center;
}

@media (max-width: 600px) {
  .advanced-grid {
    grid-template-columns: 1fr;
  }
}

/* Toggle Switch */
.toggle-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle-label-group {
  display: flex;
  flex-direction: column;
}

.toggle-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.toggle-hint {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* Vibe Selector */
.vibe-control {
  grid-column: span 1;
}

#vibe-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235C5648' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  transition: all var(--transition);
}

#vibe-select:focus {
  border-color: var(--purple-400);
  background-color: rgba(255, 255, 255, 0.04);
}

/* ── Caption Style Selector ──────────────────────────────── */
.captions-block {
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
}

.captions-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.caption-style-wrapper {
  animation: fadeSlideIn 0.25s ease;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#caption-style-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--purple-500);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: 0.83rem;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238B5CF6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
  transition: all var(--transition);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.15);
}

#caption-style-select:focus {
  border-color: var(--purple-400);
  background-color: rgba(139, 92, 246, 0.07);
  box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}


.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  transition: .3s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-muted);
  transition: .3s;
}

input:checked+.slider {
  background-color: rgba(245, 158, 11, 0.2);
  border-color: var(--purple-400);
}

input:checked+.slider:before {
  transform: translateX(20px);
  background-color: var(--purple-400);
  box-shadow: 0 0 8px var(--purple-400);
}

.slider.round {
  border-radius: 24px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Text Inputs */
.text-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.text-inputs .input-field input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition);
}

.text-inputs .input-field input:focus {
  border-color: var(--purple-400);
  background: rgba(255, 255, 255, 0.04);
}

.char-counter {
  display: block;
  text-align: right;
  font-size: 0.7rem;
  color: var(--text-muted, #888);
  margin-top: 2px;
}

/* Generate Button */
.btn-generate {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #D97706, #F59E0B, #FCD34D);
  color: #09090a;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 28px rgba(245, 158, 11, 0.55);
}

.btn-generate:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.65);
}

.btn-generate:active:not(:disabled) {
  transform: translateY(0);
}

.btn-generate:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-text {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-shimmer {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }

  50%,
  100% {
    left: 150%;
  }
}

/* Stats Row */
.stats-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-number {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--purple-400), var(--pink-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */
.loading-content {
  width: 100%;
  max-width: 500px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

/* Spinner */
.spinner-ring {
  position: relative;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring-outer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  border-top-color: var(--purple-500);
  border-right-color: var(--pink-500);
  animation: spinOuter 1.2s linear infinite;
}

.ring-inner {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-bottom-color: var(--purple-400);
  animation: spinInner 0.9s linear infinite reverse;
}

.ring-icon {
  color: var(--purple-400);
  animation: iconPulse 1.5s ease-in-out infinite;
}

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

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

@keyframes iconPulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.6;
    transform: scale(0.9);
  }
}

.loading-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.loading-message {
  font-size: 1rem;
  color: var(--purple-400);
  font-weight: 500;
  min-height: 1.5em;
  transition: opacity 0.3s ease;
}

/* Progress bar */
.progress-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--purple-600), var(--pink-500));
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.6);
}

/* Step List */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  width: 100%;
  text-align: left;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  transition: all 0.4s ease;
}

.step-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: all 0.4s ease;
}

/* Active step */
.step-item.active {
  color: var(--text-primary);
  border-color: rgba(139, 92, 246, 0.3);
  background: rgba(139, 92, 246, 0.06);
}

.step-item.active .step-icon {
  border-color: var(--purple-500);
  color: var(--purple-400);
  animation: stepPulse 1s ease infinite;
}

/* Completed step */
.step-item.done {
  color: var(--green-400);
  border-color: rgba(52, 211, 153, 0.2);
  background: rgba(52, 211, 153, 0.04);
}

.step-item.done .step-icon {
  border-color: var(--green-400);
  color: var(--green-400);
}

@keyframes stepPulse {

  0%,
  100% {
    box-shadow: none;
  }

  50% {
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
  }
}

/* ============================================================
   RESULTS SCREEN
   ============================================================ */
#screen-results {
  align-items: flex-start;
  flex-direction: column;
  gap: 2rem;
}

#screen-results.active {
  display: flex;
}

.results-header {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.results-title {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.results-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.results-title-group {
  flex: 1;
  min-width: 0;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Gallery */
.results-gallery {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: flex-start;
}

/* Video Card */
.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  width: calc(20% - 1.2rem);
  /* 5 per row on wide screens */
  min-width: 160px;
  box-shadow: var(--shadow-card);
  animation: cardReveal 0.5s ease forwards;
  opacity: 0;
}

.video-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 12px 40px rgba(139, 92, 246, 0.2);
}

@keyframes cardReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.video-wrapper {
  /* 9:16 aspect ratio */
  position: relative;
  width: 100%;
  padding-bottom: 177.78%;
  background: #000;
  overflow: hidden;
}

.video-wrapper video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Loading overlay while blob is being fetched */
.video-loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  z-index: 2;
}

.video-load-spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid rgba(252, 211, 77, 0.15);
  border-top-color: var(--purple-400);
  animation: spinOuter 0.9s linear infinite;
}

/* Overlay play icon */
.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition);
}

.video-card:hover .video-overlay {
  opacity: 1;
}

.play-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.video-card-footer {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.video-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(236, 72, 153, 0.1));
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--purple-400);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}

.btn-download:hover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(236, 72, 153, 0.2));
  border-color: var(--purple-500);
  color: white;
  transform: translateY(-1px);
}

/* ============================================================
   PLACEHOLDER / PROCESSING CARD
   ============================================================ */
.video-card-placeholder {
  border-color: rgba(139, 92, 246, 0.12);
}

.video-card-placeholder:hover {
  transform: none;
  box-shadow: var(--shadow-card);
  border-color: rgba(139, 92, 246, 0.12);
}

.placeholder-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.05) 0%, rgba(8, 11, 20, 0.95) 100%);
  overflow: hidden;
}

/* Shimmer sweep */
.placeholder-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.07), transparent);
  animation: shimmer 2.2s ease-in-out infinite;
}

.placeholder-spinner {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 3px solid rgba(139, 92, 246, 0.15);
  border-top-color: var(--purple-400);
  animation: spinOuter 1s linear infinite;
  position: relative;
  z-index: 1;
}

.placeholder-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.btn-download-ghost {
  width: 100%;
  height: 30px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border);
  animation: ghostPulse 2s ease-in-out infinite;
}

@keyframes ghostPulse {

  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 0.75;
  }
}

/* ============================================================
   ERROR SCREEN
   ============================================================ */
.error-content {
  width: 100%;
  max-width: 480px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.error-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--red-400);
}

.error-title {
  font-size: 1.6rem;
  font-weight: 800;
}

.error-message {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.error-content .btn-generate {
  width: auto;
  padding: 0.85rem 2rem;
}

/* ============================================================
   RESULTS STREAMING BADGE
   ============================================================ */
.results-loading-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--purple-400);
}

.badge-mini-spinner {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(139, 92, 246, 0.2);
  border-top-color: var(--purple-400);
  animation: spinOuter 0.8s linear infinite;
  flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .video-card {
    width: calc(25% - 1.125rem);
  }
}

@media (max-width: 860px) {
  .video-card {
    width: calc(33.33% - 1rem);
  }
}

@media (max-width: 600px) {
  .screen {
    padding: 2rem 1rem;
  }

  .video-card {
    width: calc(50% - 0.75rem);
  }

  .header-badge span:last-child {
    display: none;
  }

  .hero-title {
    font-size: 2rem;
  }

  .results-title {
    font-size: 1.5rem;
  }

  .stats-row {
    gap: 1rem;
  }
}

@media (max-width: 380px) {
  .video-card {
    width: 100%;
    max-width: 260px;
  }

  .results-gallery {
    justify-content: center;
  }
}

/* ============================================================
   UTILITY
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   RETENTION PSYCHOLOGY — COLLAPSIBLE SECTION
   ============================================================ */
.retention-section {
  margin-top: 0.25rem;
  border: 1px solid rgba(252, 211, 77, 0.18);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(252, 211, 77, 0.03);
  transition: border-color var(--transition);
}

.retention-section:hover {
  border-color: rgba(252, 211, 77, 0.32);
}

.retention-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-primary);
  transition: background var(--transition);
}

.retention-header:hover {
  background: rgba(252, 211, 77, 0.05);
}

.retention-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.retention-title svg {
  color: var(--amber-400);
  flex-shrink: 0;
}

.retention-badge {
  font-size: 0.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, #D97706, #FCD34D);
  color: #09090a;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.retention-chevron {
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: auto;
}

.retention-body {
  padding: 0 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.25s ease,
    padding 0.3s ease;
}

/* add extra bottom padding when body is open */
.retention-body[style*="max-height: 0"] {
  padding-bottom: 0;
}

.retention-body:not([style*="max-height: 0"]) {
  padding-bottom: 1rem;
}

/* Override toggle colour inside Retention section to amber */
.rp-control input:checked+.slider {
  background-color: rgba(217, 119, 6, 0.2);
  border-color: var(--amber-400);
}

.rp-control input:checked+.slider:before {
  background-color: var(--amber-400);
  box-shadow: 0 0 8px var(--amber-400);
}

/* ============================================================
   RETENTION PSYCHOLOGY — PER-CLIP BADGES
   ============================================================ */

/* Container lives above the video inside the card */
.rp-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem 0;
  order: -1;
  /* render above video wrapper */
}

/* Generic badge shell */
.rp-badge {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

/* ── Pacing Ring ──────────────────────────────────────────── */
.rp-pacing {
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.rp-badge-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Structure (Hook/Body/Reward) ─────────────────────────── */
.rp-structure {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  align-items: center;
}

.seg-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 99px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* Hook — electric amber */
.seg-hook {
  background: rgba(252, 211, 77, 0.12);
  color: var(--amber-400);
  border: 1px solid rgba(252, 211, 77, 0.3);
}

/* Body — muted neutral */
.seg-body {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Reward — green accent */
.seg-reward {
  background: rgba(52, 211, 153, 0.1);
  color: var(--green-400);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

/* ── Trigger Tags ─────────────────────────────────────────── */
.rp-triggers {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.trigger-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(217, 119, 6, 0.15);
  color: #FCD34D;
  border: 1px solid rgba(252, 211, 77, 0.25);
  transition: background var(--transition);
}

.trigger-tag:hover {
  background: rgba(217, 119, 6, 0.28);
}

/* ============================================================
   RETENTION PSYCHOLOGY — SELECT + TEXT INPUT CONTROLS
   (Color Psychology preset & Watermark)
   ============================================================ */

/* Block-level wrapper so select & hint stack vertically */
.rp-select-control {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
}

/* Label sitting above the select / input */
.rp-select-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber-400);
}

/* Styled native select — matches the project's vibe-select aesthetic */
.rp-native-select {
  width: 100%;
  padding: 0.5rem 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(252, 211, 77, 0.22);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23FCD34D' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.2rem;
  transition: border-color var(--transition), background var(--transition);
}

.rp-native-select:focus {
  outline: none;
  border-color: var(--amber-400);
  background-color: rgba(252, 211, 77, 0.05);
}

.rp-native-select option {
  background: #1a1a2e;
  color: var(--text-primary);
}

/* Watermark text input */
.rp-text-input {
  width: 100%;
  padding: 0.5rem 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(252, 211, 77, 0.22);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  transition: border-color var(--transition), background var(--transition);
  box-sizing: border-box;
}

.rp-text-input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

.rp-text-input:focus {
  outline: none;
  border-color: var(--amber-400);
  background-color: rgba(252, 211, 77, 0.05);
}

/* ============================================================
   VIRAL SCORE UI COMPONENTS
   ============================================================ */

/* Top Performance Bar */
.viral-score-container {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
  z-index: 5;
}

.viral-score-fill {
  height: 100%;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.score-green { background: #34D399; box-shadow: 0 0 10px rgba(52, 211, 153, 0.4); }
.score-amber { background: #FBBF24; box-shadow: 0 0 10px rgba(251, 191, 36, 0.4); }
.score-red   { background: #F87171; box-shadow: 0 0 10px rgba(248, 113, 113, 0.4); }

.rp-select-wrapper {
  position: relative;
  width: 100%;
}

.select-chevron {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  opacity: 0.5;
  color: #fff;
}

.rp-native-select:hover + .select-chevron {
  opacity: 0.8;
}

/* Signal Badges */
.viral-signals-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0.75rem 0.85rem 0;
  order: -2; /* Show above other elements */
}

.viral-badge {
  font-size: 0.62rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 99px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-heat   { background: rgba(255, 107, 107, 0.12); color: #FF6B6B; border: 1px solid rgba(255, 107, 107, 0.25); }
.badge-energy { background: rgba(252, 211, 77, 0.12); color: #FCD34D; border: 1px solid rgba(252, 211, 77, 0.25); }
.badge-text   { background: rgba(167, 139, 250, 0.12); color: #A78BFA; border: 1px solid rgba(167, 139, 250, 0.25); }

/* Top Signal Indicator */
.top-signal-tag {
  font-size: 0.58rem;
  font-weight: 900;
  background: white;
  color: black;
  padding: 2px 5px;
  border-radius: 4px;
  margin-left: 2px;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
}