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

:root {
  --bg: #080c14;
  --bg2: #0d1220;
  --border: rgba(255,255,255,0.07);
  --text: #e8eaf0;
  --muted: #6b7280;
  --accent: #6366f1;
  --accent2: #a855f7;
  --success: #10b981;
  --card: rgba(255,255,255,0.03);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-grid {
  position: fixed; inset: 0; z-index: 0;
  background-image: 
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 3rem;
  background: rgba(8,12,20,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.4rem; font-weight: 800;
  color: #fff;
}
.logo span { color: var(--accent); }

nav { display: flex; gap: 2rem; }
nav a {
  color: var(--muted); text-decoration: none; font-size: 0.9rem;
  transition: color 0.2s;
}
nav a:hover { color: var(--text); }

/* HERO */
.hero {
  position: relative; z-index: 1;
  padding: 7rem 3rem 5rem;
  text-align: center;
  max-width: 900px; margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem; color: var(--muted);
  max-width: 600px; margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.cta-btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border-radius: 100px;
  text-decoration: none; font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 40px rgba(99,102,241,0.3);
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 0 60px rgba(99,102,241,0.5); }

/* GENERATOR */
.generator-section {
  position: relative; z-index: 1;
  max-width: 860px; margin: 0 auto;
  padding: 2rem 2rem 6rem;
}

.section-label {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem; letter-spacing: 0.15em;
  color: var(--accent); margin-bottom: 0.8rem;
}

.generator-section h2 {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem; font-weight: 700;
  color: #fff; margin-bottom: 2.5rem;
}

.gen-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.span-2 { grid-column: span 2; }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label {
  font-size: 0.82rem; font-weight: 500;
  color: var(--muted); letter-spacing: 0.03em;
  text-transform: uppercase;
}

input, select, textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
select option { background: #1a1f2e; }
textarea { resize: vertical; }
.hint { font-size: 0.78rem; color: var(--muted); }

.color-group {
  display: flex; align-items: center; gap: 0.8rem;
}
.color-group input[type="color"] {
  width: 48px; height: 42px; padding: 4px;
  cursor: pointer; border-radius: 8px;
}
.color-group span { font-family: monospace; color: var(--muted); font-size: 0.9rem; }

/* MODEL SELECTOR */
.model-selector { margin-bottom: 2rem; }
.model-selector > label {
  display: block; font-size: 0.82rem; font-weight: 500;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.03em; margin-bottom: 0.8rem;
}
.model-options { display: flex; gap: 1rem; }
.model-option {
  flex: 1; display: flex; align-items: center; gap: 0.6rem;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}
.model-option:has(input:checked),
.model-option.selected {
  border-color: rgba(99,102,241,0.5);
  background: rgba(99,102,241,0.08);
}
.model-option input { width: auto; }
.model-option span { font-size: 0.85rem; }
.model-option strong { display: block; color: #fff; margin-bottom: 0.1rem; }

.generate-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none; border-radius: 12px;
  color: #fff; font-family: 'Syne', sans-serif;
  font-size: 1.05rem; font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 4px 30px rgba(99,102,241,0.4);
}
.generate-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(99,102,241,0.5); }
.generate-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle; margin-right: 0.5rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* OVERLAYS */
.progress-overlay, .result-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(8,12,20,0.9);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
}

.progress-card, .result-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 3rem;
  width: 90%; max-width: 500px;
  text-align: center;
}

.progress-icon, .result-icon { font-size: 3rem; margin-bottom: 1.2rem; }

.progress-card h3, .result-card h3 {
  font-family: 'Syne', sans-serif; font-size: 1.5rem;
  color: #fff; margin-bottom: 0.5rem;
}
.progress-card p, .result-card p {
  color: var(--muted); font-size: 0.9rem; margin-bottom: 1.5rem;
}

.progress-bar {
  background: rgba(255,255,255,0.07);
  border-radius: 100px; height: 6px;
  overflow: hidden; margin-bottom: 1.5rem;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 100px;
  transition: width 0.5s ease;
  width: 0%;
}

.progress-steps {
  display: flex; flex-direction: column; gap: 0.5rem;
  text-align: left;
}
.step-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.82rem; color: var(--muted);
  padding: 0.4rem 0.6rem; border-radius: 6px;
  transition: all 0.3s;
}
.step-item.active { color: var(--text); background: rgba(255,255,255,0.04); }
.step-item.done { color: var(--success); }
.step-icon { width: 16px; text-align: center; }

.result-actions {
  display: flex; flex-direction: column; gap: 0.8rem;
  margin-bottom: 1.2rem;
}
.btn-primary, .btn-secondary, .btn-outline {
  display: block; padding: 0.8rem 1.5rem;
  border-radius: 10px; text-decoration: none;
  font-weight: 600; font-size: 0.9rem;
  transition: all 0.2s; cursor: pointer;
  border: none; font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
}
.btn-secondary {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--success);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.2); color: var(--text); }
.close-btn {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 0.85rem;
  font-family: inherit;
}
.close-btn:hover { color: var(--text); }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .model-options { flex-direction: column; }
  header { padding: 1rem 1.5rem; }
  .gen-form { padding: 1.5rem; }
}