/* PosterIA - estilos */
:root {
  --bg: #0F2027;
  --bg-2: #203A43;
  --surface: #ffffff;
  --surface-2: #f5f7fa;
  --text: #1a2332;
  --text-muted: #6b7785;
  --accent: #00F5A0;
  --accent-dark: #00c982;
  --primary: #2C5364;
  --danger: #d33;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 32, 39, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 50%, var(--primary) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
}

/* TOPBAR */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 24px; max-width: 1080px; margin: 0 auto;
}
.brand { display: flex; gap: 8px; align-items: center; text-decoration: none; color: white; font-weight: 700; }
.brand .logo { font-size: 24px; }
.brand .name { font-size: 18px; letter-spacing: 0.3px; }
.topnav { display: flex; gap: 18px; }
.topnav a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 14px; }
.topnav a:hover { color: var(--accent); }

/* MAIN */
main { max-width: 880px; margin: 0 auto; padding: 0 20px 80px; }

/* HERO */
.hero { text-align: center; color: white; padding: 30px 0 24px; }
.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 10px; letter-spacing: -0.5px; }
.hero .lead { font-size: 17px; opacity: 0.92; margin: 0; }

/* CARD */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  margin: 22px 0;
}
.card h2 { margin-top: 0; font-size: 20px; color: var(--primary); }

/* FIELDS */
.field { display: block; margin-bottom: 14px; }
.field span { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 14px; border: 1px solid #dfe5ec;
  border-radius: 10px; font-size: 15px; font-family: inherit;
  background: var(--surface-2); transition: border-color 0.15s, background 0.15s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent-dark); background: white;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 540px) { .row { grid-template-columns: 1fr; } }

/* BUTTONS */
.btn {
  display: inline-block; padding: 13px 22px; border-radius: 10px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: none;
  text-decoration: none; transition: transform 0.1s, background 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--accent-dark); color: white; }
.btn.primary:hover { background: var(--accent); color: #003e29; }
.btn.primary:disabled { background: #cbd5e0; cursor: not-allowed; color: #6b7785; }
.btn.ghost { background: transparent; color: var(--primary); border: 1px solid #dfe5ec; margin-left: 8px; }

/* PREVIEW */
.preview-box { margin-top: 18px; text-align: center; }
.preview-box img { max-width: 100%; border-radius: 12px; box-shadow: var(--shadow); }
.hint { color: var(--text-muted); font-size: 13px; }

/* LICENSE GRID */
.license-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 16px 0 18px; }
.license-card {
  border: 2px solid #dfe5ec; border-radius: 12px; padding: 16px; cursor: pointer;
  transition: all 0.15s; background: var(--surface-2);
}
.license-card.selected { border-color: var(--accent-dark); background: white; box-shadow: 0 0 0 3px rgba(0,245,160,0.15); }
.license-card h3 { margin: 0 0 6px; font-size: 16px; color: var(--primary); }
.license-card .price { font-size: 24px; font-weight: 800; color: var(--accent-dark); margin: 6px 0; }
.license-card .desc { font-size: 13px; color: var(--text-muted); margin: 0; }

/* STATUS */
.status { margin-top: 10px; font-size: 14px; min-height: 20px; }
.status.ok { color: var(--accent-dark); }
.status.err { color: var(--danger); }

/* DOWNLOAD */
.download { text-align: center; background: linear-gradient(135deg, #f0fdf6 0%, #ffffff 100%); }

/* FAQ */
.faq details { border-bottom: 1px solid #eef1f5; padding: 12px 0; }
.faq details:last-child { border-bottom: none; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: var(--text-muted); font-size: 14px; }

/* FOOTER */
.footer { text-align: center; padding: 30px 20px; color: rgba(255,255,255,0.7); font-size: 13px; }
.footer .muted { opacity: 0.7; font-size: 12px; }

.hidden { display: none !important; }