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

:root {
  --bg: #0a0a0f;
  --bg-card: #141420;
  --bg-input: #1a1a2e;
  --border: #2a2a3e;
  --text: #e8e8f0;
  --text-muted: #8888a0;
  --accent: #a855f7;
  --accent-hover: #c084fc;
  --accent-glow: rgba(168, 85, 247, 0.3);
  --success: #22c55e;
  --warning: #f59e0b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.header {
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
}

.logo-icon { margin-right: 4px; }
.accent { color: var(--accent); }

.remaining {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero + Form */
.form-section { padding: 3rem 0; }

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

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #c7d2fe, #e9d5ff, #f0abfc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.logo-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  max-width: 700px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.req { color: var(--accent); }
.optional { color: var(--text-muted); font-weight: 400; font-size: 0.8rem; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #555570; }

.form-group textarea { resize: vertical; }

.char-count {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.btn-generate {
  display: block;
  width: 100%;
  margin-top: 1.5rem;
  padding: 16px;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.btn-generate:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-generate:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-generate::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.1) 50%, transparent 60%);
  transform: translateX(-100%);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  100% { transform: translateX(100%); }
}

/* Progress */
.progress-section {
  padding: 4rem 0;
  text-align: center;
}

.progress-content {
  max-width: 500px;
  margin: 0 auto;
}

.progress-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  animation: spin 1s linear infinite;
}

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

.progress-content h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.progress-sub {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.progress-bar-container {
  height: 8px;
  background: var(--bg-input);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #7c3aed, #a855f7, #c084fc);
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-count {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Results */
.results-section { padding: 2rem 0 4rem; }

.results-header {
  text-align: center;
  margin-bottom: 2rem;
}

.results-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.results-sub {
  color: var(--accent);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.btn-secondary {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 24px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}

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

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.logo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}

.logo-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow);
}

.logo-card-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: #fff;
  display: block;
}

.logo-card-label {
  padding: 12px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid var(--border);
}

.logo-card-failed {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-input);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.lightbox.active { display: flex; }

.lightbox-content {
  max-width: 600px;
  width: 90%;
  position: relative;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover { opacity: 1; }

#lightbox-img {
  width: 100%;
  border-radius: 16px;
  background: #fff;
}

.lightbox-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.lightbox-label {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
}

.btn-download {
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  color: #fff;
  padding: 10px 24px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.footer p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.25rem; }
.footer a { color: var(--accent); text-decoration: none; }
.footer-cost { font-size: 0.75rem !important; opacity: 0.6; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 1.8rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: 1; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .main { padding: 0 1rem; }
}

@media (max-width: 480px) {
  .logo-grid { grid-template-columns: 1fr; }
}