/* QRStudio Pro - Modern QR Generator Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@600;700&display=swap');

:root {
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f293d;
  --bg-card: rgba(17, 24, 39, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #64748b;

  --violet: #8b5cf6;
  --violet-grad: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 5px;
  --radius-lg: 8px;
  --radius-full: 4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg-primary); color: var(--text-main); min-height: 100vh; }
.container { max-width: 1360px; margin: 0 auto; padding: 0 16px; }

.navbar {
  position: sticky; top: 0; z-index: 100; backdrop-filter: blur(16px);
  background: var(--bg-card); border-bottom: 1px solid var(--border-subtle); padding: 10px 0;
}
.brand-logo { font-size: 1.15rem; font-weight: 800; color: var(--text-main); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.brand-badge { background: var(--violet-grad); color: #fff; font-size: 0.65rem; padding: 2px 7px; border-radius: var(--radius-sm); font-weight: 700; }

.ad-slot-header { margin: 10px 0 6px 0; display: flex; justify-content: center; }
.ad-leaderboard {
  width: 728px; min-height: 70px; background: var(--bg-card); border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md); display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ad-label { font-size: 0.65rem; text-transform: uppercase; color: var(--text-dim); padding: 2px 0; }

.hero { text-align: center; padding: 14px 0 10px 0; }
.hero-title { font-size: 1.7rem; font-weight: 800; margin-bottom: 4px; }
.hero-title span { background: var(--violet-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Type Selector */
.type-tabs {
  display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; margin-bottom: 14px;
}
.type-tab-btn {
  background: var(--bg-secondary); border: 1px solid var(--border-subtle); color: var(--text-muted);
  padding: 6px 14px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.82rem; cursor: pointer;
  transition: all 0.2s ease;
}
.type-tab-btn.active { background: var(--violet); color: #fff; border-color: var(--violet); }

/* Main Split */
.main-grid {
  display: grid; grid-template-columns: 1fr 310px 280px; gap: 14px; align-items: start; margin-bottom: 28px;
}

.studio-card {
  background: var(--bg-card); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 16px 18px;
}

.input-label { display: block; font-size: 0.76rem; font-weight: 700; color: var(--text-muted); margin-bottom: 4px; }
.form-input {
  width: 100%; background: var(--bg-secondary); border: 1px solid var(--border-subtle);
  color: #fff; padding: 8px 10px; border-radius: var(--radius-sm); font-family: inherit; font-size: 0.85rem; margin-bottom: 12px; outline: none;
}
.form-input:focus { border-color: var(--violet); }

.color-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }

/* QR Preview Box */
.qr-preview-card {
  background: var(--bg-secondary); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); padding: 16px; text-align: center;
}
.qr-canvas-wrapper {
  background: #ffffff; padding: 12px; border-radius: var(--radius-md); display: inline-flex;
  align-items: center; justify-content: center; margin: 10px 0; box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

.btn-download-group { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.btn-dl {
  background: var(--violet-grad); color: #fff; border: none; padding: 9px 14px;
  border-radius: var(--radius-sm); font-weight: 700; cursor: pointer; font-size: 0.85rem;
}
.btn-dl-secondary {
  background: var(--bg-tertiary); color: var(--text-main); border: 1px solid var(--border-subtle);
}

/* Sticky Skyscraper */
.sidebar-sticky-rail { position: sticky; top: 90px; }
.ad-skyscraper {
  width: 280px; min-height: 520px; background: var(--bg-card);
  border: 1px dashed var(--border-subtle); border-radius: var(--radius-md); text-align: center;
}

@media (max-width: 1100px) {
  .main-grid { grid-template-columns: 1fr 310px; }
  .sidebar-sticky-rail { display: none; }
}
@media (max-width: 768px) {
  .main-grid { grid-template-columns: 1fr; }
}

/* Print Placard Defaults (Hidden on screen) */
.print-statement-header, .print-statement-footer, .print-placard-banner, .print-placard-target {
  display: none;
}

/* Institutional Grade A4 Portrait Scannable Placard PDF - Pure Monochrome Black & White */
@media print {
  @page {
    size: A4 portrait;
    margin: 15mm;
  }

  /* Universal monochrome reset: force all text to solid black and kill dark backgrounds */
  *, *::before, *::after {
    color: #000000 !important;
    background-color: transparent !important;
    background-image: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  html, body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 9pt !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif !important;
  }

  .navbar, .hero, .type-tabs, .ad-slot-header, .sidebar-sticky-rail, 
  footer, .studio-card, .btn-download-group, .preview-title, .preview-sub, button, input, select {
    display: none !important;
  }

  .container {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .main-grid {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .print-statement-header {
    display: block !important;
    margin-bottom: 16px !important;
    border-bottom: 2px solid #000000 !important;
    padding-bottom: 10px !important;
  }

  .print-header-top {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
  }

  .print-title {
    font-size: 16pt !important;
    font-weight: 800 !important;
    color: #000000 !important;
    margin: 0 0 3px 0 !important;
  }

  .print-subtitle {
    font-size: 8.5pt !important;
    color: #333333 !important;
  }

  .print-meta-info {
    text-align: right !important;
    font-size: 8pt !important;
    color: #000000 !important;
    line-height: 1.4 !important;
  }

  .print-params-card {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    background: #f4f4f4 !important;
    border: 1px solid #000000 !important;
    border-radius: 4px !important;
    padding: 8px 10px !important;
    margin: 12px 0 20px 0 !important;
    gap: 8px !important;
  }

  .print-param-item {
    font-size: 8.5pt !important;
  }

  .param-lbl {
    display: block !important;
    font-size: 6.5pt !important;
    color: #333333 !important;
    text-transform: uppercase !important;
    font-weight: 700 !important;
  }

  .param-val {
    font-family: monospace !important;
    font-weight: 700 !important;
    color: #000000 !important;
    font-size: 8.5pt !important;
  }

  /* Placard Center Frame */
  .qr-preview-card {
    background: #ffffff !important;
    border: 2px solid #000000 !important;
    border-radius: 4px !important;
    padding: 28px 20px !important;
    text-align: center !important;
    box-shadow: none !important;
    page-break-inside: avoid !important;
  }

  .print-placard-banner {
    display: block !important;
    margin-bottom: 20px !important;
  }

  .placard-callout {
    font-size: 16pt !important;
    font-weight: 900 !important;
    color: #000000 !important;
    margin-bottom: 6px !important;
  }

  .placard-subtext {
    font-size: 9pt !important;
    color: #333333 !important;
    max-width: 480px !important;
    margin: 0 auto !important;
    line-height: 1.4 !important;
  }

  .qr-canvas-wrapper {
    box-shadow: none !important;
    padding: 0 !important;
    margin: 16px auto !important;
  }

  .qr-canvas-wrapper canvas, .qr-canvas-wrapper img {
    width: 220px !important;
    height: 220px !important;
  }

  .print-placard-target {
    display: inline-block !important;
    font-family: monospace !important;
    font-size: 9pt !important;
    font-weight: 700 !important;
    color: #000000 !important;
    background: #f4f4f4 !important;
    padding: 6px 14px !important;
    border-radius: 4px !important;
    margin-top: 14px !important;
    border: 1px solid #000000 !important;
  }

  .print-statement-footer {
    display: block !important;
    margin-top: 24px !important;
    padding-top: 10px !important;
    border-top: 1px solid #000000 !important;
    font-size: 7.5pt !important;
    color: #333333 !important;
    line-height: 1.35 !important;
  }
}