/* ============================================
   AI VIDEO AD GENERATOR - PLUGINNESTS
   ============================================ */

:root {
  --bg: #09071a;
  --bg-card: #0f0c24;
  --bg-card-hover: #141030;
  --border: rgba(108, 79, 255, 0.15);
  --border-hover: rgba(108, 79, 255, 0.35);
  --purple: #6c4fff;
  --purple-light: #8b7bff;
  --purple-glow: rgba(108, 79, 255, 0.25);
  --green: #28c878;
  --white: #ffffff;
  --gray-100: #e8e6f0;
  --gray-200: #c8c4d8;
  --gray-400: #8a849e;
  --gray-600: #4a4560;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

/* ============================================
   HEADER
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 7, 26, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  border-radius: 10px;
  font-size: 14px;
}

.logo-accent {
  color: var(--purple-light);
}

.credits-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(108, 79, 255, 0.1);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
}

.credits-count {
  color: var(--purple-light);
  font-weight: 800;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  text-align: center;
  padding: 80px 30px 50px;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(108, 79, 255, 0.12);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--purple-light);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--purple-light), #a78bfa, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ============================================
   APP CONTAINER
   ============================================ */
.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 30px 60px;
}

/* ============================================
   STEP CARDS
   ============================================ */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 30px;
  transition: border-color 0.3s ease;
}

.step-card:hover {
  border-color: var(--border-hover);
}

.step-header {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 35px;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  border-radius: 12px;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
}

.step-number.done {
  background: linear-gradient(135deg, var(--green), #38e888);
}

.step-header h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.step-header p {
  font-size: 14px;
  color: var(--gray-400);
}

/* ============================================
   FORM
   ============================================ */
.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--gray-200);
}

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 6px;
}

input[type="email"],
input[type="text"],
textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  transition: border-color 0.3s ease, background 0.3s ease;
  outline: none;
}

input[type="email"]:focus,
input[type="text"]:focus,
textarea:focus {
  border-color: var(--purple);
  background: rgba(108, 79, 255, 0.05);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* ============================================
   COLOR THEME PICKER
   ============================================ */
.color-themes {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.color-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--gray-200);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  transition: all 0.3s ease;
}

.color-btn:hover {
  border-color: var(--border-hover);
}

.color-btn.active {
  border-color: var(--purple);
  background: rgba(108, 79, 255, 0.1);
}

.color-swatch {
  width: 40px;
  height: 28px;
  border-radius: 6px;
  display: block;
}

/* ============================================
   FONT SELECTOR
   ============================================ */
.font-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.font-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--gray-200);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  transition: all 0.3s ease;
}

.font-btn:hover {
  border-color: var(--border-hover);
}

.font-btn.active {
  border-color: var(--purple);
  background: rgba(108, 79, 255, 0.1);
}

.font-preview {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
}

/* ============================================
   RATIO SELECTOR
   ============================================ */
.ratio-selector {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.ratio-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--gray-200);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
}

.ratio-btn:hover {
  border-color: var(--border-hover);
  background: rgba(108, 79, 255, 0.05);
}

.ratio-btn.active {
  border-color: var(--purple);
  background: rgba(108, 79, 255, 0.1);
}

.ratio-icon {
  border: 2px solid currentColor;
  border-radius: 3px;
}

.ratio-btn.active .ratio-icon {
  border-color: var(--purple-light);
}

.landscape-icon { width: 48px; height: 28px; }
.square-icon { width: 36px; height: 36px; }
.portrait-icon { width: 28px; height: 48px; }

.ratio-label {
  font-size: 14px;
  font-weight: 700;
}

.ratio-size {
  font-size: 12px;
  color: var(--purple-light);
  font-weight: 600;
}

.ratio-hint {
  font-size: 11px;
  color: var(--gray-400);
}

/* ============================================
   UPLOAD AREA
   ============================================ */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 30px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--purple);
  background: rgba(108, 79, 255, 0.05);
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-400);
  font-size: 15px;
}

.upload-icon {
  font-size: 32px;
  margin-bottom: 4px;
}

.upload-hint {
  font-size: 12px;
  color: var(--gray-600);
}

.upload-previews {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.upload-thumb {
  position: relative;
  width: 100px;
  height: 70px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.upload-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-thumb .remove-btn {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  background: rgba(255, 60, 60, 0.9);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 100px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--purple), #8b5cf6);
  color: white;
  box-shadow: 0 8px 25px rgba(108, 79, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(108, 79, 255, 0.5);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--gray-200);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
}

.btn-generate {
  width: 100%;
  padding: 18px;
  font-size: 18px;
}

/* ============================================
   GENERATING STATE
   ============================================ */
.generating-state {
  text-align: center;
  padding: 50px 20px;
}

.generating-state h3 {
  font-size: 22px;
  margin: 20px 0 10px;
}

.generating-state p {
  color: var(--gray-400);
  font-size: 14px;
  line-height: 1.7;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 3px solid var(--border);
  border-top-color: var(--purple-light);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 1s linear infinite;
}

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

/* ============================================
   PREVIEW
   ============================================ */
.preview-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
}

.preview-frame {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.preview-frame iframe {
  width: 1920px;
  height: 1080px;
  transform-origin: top left;
  transform: scale(0.427);
  /* 820px / 1920px = ~0.427 */
  border: none;
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  z-index: 10;
  transition: opacity 0.3s ease;
}

.preview-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.play-btn {
  padding: 18px 42px;
  background: linear-gradient(135deg, var(--purple), #8b5cf6);
  border: none;
  border-radius: 100px;
  color: white;
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 40px rgba(108, 79, 255, 0.5);
  transition: transform 0.2s ease;
}

.play-btn:hover {
  transform: scale(1.05);
}

.preview-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 25px;
}

/* ============================================
   RENDER PROGRESS
   ============================================ */
.render-progress {
  text-align: center;
  padding: 30px 0;
}

.progress-bar-container {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 15px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--purple-light));
  border-radius: 100px;
  transition: width 0.5s ease;
  box-shadow: 0 0 15px var(--purple-glow);
}

.progress-text {
  font-size: 14px;
  color: var(--gray-400);
}

/* ============================================
   DOWNLOAD OPTIONS
   ============================================ */
.download-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 30px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--white);
  transition: all 0.3s ease;
  cursor: pointer;
}

.download-card:hover {
  background: rgba(108, 79, 255, 0.08);
  border-color: var(--purple);
  transform: translateY(-3px);
}

.download-icon {
  font-size: 36px;
}

.download-label {
  font-size: 18px;
  font-weight: 700;
}

.download-size {
  font-size: 14px;
  color: var(--purple-light);
  font-weight: 600;
}

.download-hint {
  font-size: 12px;
  color: var(--gray-400);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  text-align: center;
  padding: 30px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--gray-400);
}

.footer a {
  color: var(--purple-light);
  text-decoration: none;
}

/* ============================================
   ERROR MESSAGE
   ============================================ */
.error-msg {
  background: rgba(255, 60, 60, 0.1);
  border: 1px solid rgba(255, 60, 60, 0.3);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  color: #ff6b6b;
  font-size: 14px;
  margin-top: 15px;
  display: none;
}

.error-msg.visible {
  display: block;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .hero { padding: 50px 20px 30px; }
  .step-card { padding: 25px; }
  .download-options { grid-template-columns: 1fr; }
  .preview-frame iframe { transform: scale(0.25); }
}