/* ============================================================
   common.css — BNZBA Engage Apps
   Shared design system for all apps under /engaged/
   App-specific styles live in each app's own styles.css
   ============================================================ */

/* ── DESIGN TOKENS (mirrors philpin.com/resources/styles.css) ── */
:root {
  /* Neutrals */
  --ink:        #111111;
  --ink-soft:   #555555;
  --ink-mid:    #333333;
  --ink-slate:  #7A8F99;
  --ink-faint:  #999999;
  --ink-near:   #1a1a1a;
  --ground:     #FAFAFA;
  --white:      #FFFFFF;
  --line:       #E8E8E8;

  /* Brand */
  --blue:       #125993;
  --blue-dark:  #2C4A6E;
  --blue-tint:  #EFF6FF;
  --gold:       #FFBF00;
  --rust:       #7F2519;
  --accent:     #00A8CC;

  /* Diagnostic severity — 5-point scale (1=strong, 5=critical)
     Canonical source for app.js, styles.css, and pdf-builder.php */
  --score-1:    #3CA050;   /* Strong    — deep green   */
  --score-2:    #82B464;   /* Good      — light green  */
  --score-3:    #FFA000;   /* Elevated  — vivid amber  */
  --score-4:    #DC5050;   /* High      — light red    */
  --score-5:    #B41E1E;   /* Critical  — dark red     */

  /* Severity group card backgrounds (light tints of above) */
  --score-3-bg: #FBF5E6;
  --score-4-bg: #FAEAEA;
  --score-5-bg: #F5E8E8;

  /* Aliases for any app CSS using --colour-* names */
  --colour-primary:    var(--blue-dark);
  --colour-accent:     var(--accent);
  --colour-secondary:  #1E3550;
  --colour-background: var(--ground);
  --colour-text-body:  var(--ink-mid);
  --colour-text-light: var(--ink-faint);

  /* Layout */
  --card-width:   860px;
  --card-padding: 40px;
  --max:          860px;
  --pad:          clamp(24px, 5vw, 48px);
}

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

html, body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--colour-text-body);
  background: var(--colour-background);
}

/* ── TYPOGRAPHY ── */
h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--colour-primary);
}
h1.display { font-size: 36px; }
h2.display { font-size: 26px; }

.mono { font-family: 'IBM Plex Mono', monospace; font-size: 12px; }
.lede { font-size: 16px; margin-bottom: 24px; color: var(--colour-text-body); line-height: 1.6; }
hr { border: none; border-top: 1px solid #e8e8e8; margin: 24px 0; }

/* ── SCREENS ── */
.screen { display: none; min-height: calc(100vh - 160px); padding: 40px 24px; background: var(--colour-background); }
.screen.active { display: block; }

/* ── CARD WRAPPERS ── */
.hero, .priorities-wrap, .assess-wrap, .confirm-wrap, .results-wrap, .thanks-wrap {
  width: 100%;
  max-width: var(--card-width);
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  padding: var(--card-padding);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  box-sizing: border-box;
}
.hero { text-align: left; }
.confirm-wrap { max-width: 600px; }
.assess-wrap  { max-width: 680px; }

/* ── DEMO TAG ── */
.demo-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff8e8; border: 1px solid #f0dfa0; color: #996600;
  padding: 6px 14px; border-radius: 4px; margin-bottom: 28px;
  font-size: 11px; font-family: 'IBM Plex Mono', monospace;
}

/* ── BODY COPY ── */
.body-copy { max-width: 680px; margin: 0; }
.body-copy p { margin-bottom: 14px; font-size: 18px; line-height: 1.7; }
.privacy-line { font-size: 14px; color: var(--colour-text-light); margin-top: 20px; line-height: 1.6; }

/* ── CTA ROW ── */
.cta-row { margin-top: 40px; display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.cta-sub { font-size: 13px; color: var(--colour-text-light); }

/* ── BUTTONS ── */
.cta-btn {
  background: var(--colour-primary); color: #fff; border: none;
  padding: 16px 36px; font-size: 17px; font-weight: 600;
  border-radius: 6px; cursor: pointer; transition: background 200ms;
  font-family: 'Space Grotesk', sans-serif;
}
.cta-btn:hover:not(:disabled) { background: var(--colour-secondary); }
.cta-btn:disabled { background: #ccc; cursor: not-allowed; }

.nav-btn {
  flex: 1; padding: 12px 20px; border: 1px solid #ddd; background: #fff;
  border-radius: 4px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: all 200ms; font-family: 'IBM Plex Mono', monospace;
}
.nav-btn:hover:not(:disabled) { border-color: var(--colour-primary); color: var(--colour-primary); }
.nav-btn:disabled { color: #ccc; cursor: not-allowed; }

.toggle-btn {
  padding: 12px 18px; border: 2px solid #ddd; background: #fff;
  border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: all 200ms; font-family: 'Inter', sans-serif;
}
.toggle-btn:hover { border-color: var(--colour-accent); }
.toggle-btn.sel { border-color: var(--colour-primary); background: rgba(44,74,110,0.06); color: var(--colour-primary); }

.chip-btn {
  padding: 10px 18px; border: 2px solid var(--colour-primary); background: #fff;
  border-radius: 20px; cursor: pointer; font-size: 13px; font-weight: 600;
  transition: all 150ms; color: var(--colour-primary); font-family: 'Inter', sans-serif;
}
.chip-btn:hover { background: var(--colour-primary); color: #fff; }

.step-btn {
  width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--colour-primary);
  background: #fff; color: var(--colour-primary); font-size: 18px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  font-weight: 700; transition: all 150ms;
}
.step-btn:hover:not(:disabled) { background: var(--colour-primary); color: #fff; }
.step-btn:disabled { border-color: #ccc; color: #ccc; cursor: not-allowed; }

.form-back {
  background: none; border: 1px solid var(--colour-primary); color: var(--colour-primary);
  padding: 10px 20px; border-radius: 4px; cursor: pointer; font-size: 14px; font-weight: 600;
}

/* ── TAG ── */
.tag {
  display: inline-block; background: var(--colour-accent); color: #fff;
  padding: 6px 14px; border-radius: 20px; margin-bottom: 16px;
  font-size: 11px; font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.08em; text-transform: uppercase;
}

/* ── FORMS ── */
.field { margin-bottom: 20px; display: flex; flex-direction: column; }
label { font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.field-hint { font-size: 13px; color: var(--colour-text-light); margin-top: 8px; line-height: 1.5; }

input[type="text"], input[type="email"], textarea {
  padding: 12px; border: 1px solid #ddd; border-radius: 4px;
  font-family: 'Inter', sans-serif; font-size: 16px;
}
input:focus, textarea:focus {
  outline: none; border-color: var(--colour-primary);
  box-shadow: 0 0 0 2px rgba(44,74,110,0.1);
}
textarea { resize: vertical; min-height: 90px; }

.checkbox-row { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; font-weight: 400; }
input[type="checkbox"] { margin-top: 3px; cursor: pointer; width: 18px; height: 18px; }

.toggle-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; margin-bottom: 20px; }
.form-btn-row { margin-top: 32px; }
.identify-form { margin-top: 8px; }
.member-block { margin-top: 12px; padding: 16px; background: #f9f9f9; border-radius: 6px; border: 1px solid #e8e8e8; }
.non-member-panel p { font-size: 14px; line-height: 1.6; margin-bottom: 12px; }
.non-member-panel a { color: var(--colour-accent); }

/* ── PROGRESS BAR ── */
.progress-track { width: 100%; height: 4px; background: #e0e0e0; border-radius: 2px; margin-bottom: 28px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--colour-accent); transition: width 300ms ease; }

/* ── ASSESSMENT ── */
.q-index { font-size: 11px; color: var(--colour-text-light); margin-bottom: 16px; letter-spacing: 0.05em; }
.q-copy { margin-bottom: 28px; }
.q-title { font-size: 14px; font-weight: 600; color: var(--colour-accent); margin-bottom: 12px; letter-spacing: 0.02em; font-family: 'IBM Plex Mono', monospace; }
.q-prompt { font-size: 22px; line-height: 1.5; color: var(--colour-primary); font-family: 'Space Grotesk', sans-serif; font-weight: 500; }

.scale { display: flex; gap: 8px; margin-bottom: 16px; }
.scale-opt {
  flex: 1; padding: 14px 8px; border: 2px solid #ddd; background: #fff;
  border-radius: 6px; cursor: pointer; transition: all 200ms;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.scale-opt:hover { border-color: var(--colour-accent); }
.scale-opt.sel { border-color: var(--colour-primary); background: rgba(44,74,110,0.06); }
.scale-opt .n { font-weight: 700; font-size: 20px; color: var(--colour-primary); }
.scale-opt .l { font-size: 10px; text-align: center; color: var(--colour-text-light); line-height: 1.3; }
.scale-opt.sel .l { color: var(--colour-primary); }
.scale-labels { display: flex; justify-content: space-between; font-size: 11px; color: var(--colour-text-light); margin-bottom: 28px; }

.nav-row { display: flex; justify-content: space-between; gap: 16px; margin-top: 36px; }

/* ── RESULTS ── */
.verdict { text-align: center; margin-bottom: 48px; padding-bottom: 32px; border-bottom: 1px solid #eee; }
.verdict-hint { font-size: 14px; color: var(--colour-text-light); margin-top: 12px; }

.profile-chart { margin-bottom: 40px; display: flex; flex-direction: column; gap: 14px; }
.profile-bar-row { display: flex; align-items: center; gap: 12px; }
.profile-bar-label { width: 90px; font-size: 13px; font-weight: 600; color: var(--colour-primary); flex-shrink: 0; }
.profile-bar-track { flex: 1; height: 18px; background: #e8e8e8; border-radius: 9px; overflow: hidden; }
.profile-bar-fill { height: 100%; border-radius: 9px; transition: width 600ms ease; }
.profile-bar-value { width: 32px; font-size: 12px; font-weight: 700; color: var(--colour-primary); text-align: right; flex-shrink: 0; }

.tier-section { margin-bottom: 40px; }
.tier-group { margin-bottom: 12px; padding: 16px 20px; border-radius: 6px; background: #f9f9f9; border: 1px solid #e8e8e8; cursor: pointer; }
.tier-heading { font-weight: 700; font-size: 15px; margin-bottom: 4px; color: var(--colour-primary); }
.tier-subtitle { font-size: 12px; color: var(--colour-text-light); margin-bottom: 14px; }
.item-row { padding: 10px 0; border-bottom: 1px solid #eee; }
.item-row:last-child { border-bottom: none; }
.item-label { font-size: 15px; line-height: 1.5; }
.tier-none { color: var(--colour-text-light); font-style: italic; font-size: 14px; padding: 8px 0; }

.final-cta { margin-top: 56px; text-align: center; padding-top: 32px; border-top: 1px solid #eee; }
.final-cta h2 { margin-bottom: 16px; }
.final-cta p { margin-bottom: 20px; color: var(--colour-text-light); }

/* ── THANKS ── */
.thanks-wrap { text-align: center; }
.thanks-wrap p { font-size: 18px; line-height: 1.7; margin-bottom: 20px; }
.thanks-summary { background: #f9f9f9; padding: 28px; border-radius: 6px; margin: 32px 0; border: 1px solid #e8e8e8; text-align: left; }
.mailto-note { font-size: 14px; color: var(--colour-text-light); margin-bottom: 12px; line-height: 1.6; }

/* ── INTERSTITIAL ── */
.interstitial-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); z-index: 100;
  align-items: center; justify-content: center; padding: 24px;
}
.interstitial-overlay.active { display: flex; }
.interstitial-box {
  background: #fff; border-radius: 8px; width: 90%; max-width: 520px;
  padding: 40px; position: relative; max-height: 85vh; overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}
.interstitial-close {
  position: absolute; top: 14px; right: 18px; background: none;
  border: none; font-size: 22px; cursor: pointer; color: #999; line-height: 1;
}
.interstitial-close:hover { color: #333; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  :root { --card-padding: 28px; }
  h1.display { font-size: 28px; }
  h2.display { font-size: 22px; }
  .q-prompt { font-size: 18px; }
  .screen { padding: 24px 16px; }
  .scale { flex-wrap: wrap; }
  .scale-opt { flex: 1 1 calc(33% - 6px); min-width: 80px; }
  .toggle-row { flex-direction: column; }
  .toggle-btn { width: 100%; text-align: left; }
  .nav-row { gap: 12px; }
  .priority-footer { flex-direction: column; align-items: stretch; gap: 12px; }
  .cta-btn { width: 100%; text-align: center; }
}

@media (max-width: 480px) {
  :root { --card-padding: 20px; }
  h1.display { font-size: 24px; }
  h2.display { font-size: 20px; }
  .q-prompt { font-size: 17px; }
  .screen { padding: 16px 12px; }
  .hero, .priorities-wrap, .assess-wrap, .confirm-wrap, .results-wrap, .thanks-wrap {
    border-radius: 0; border-left: none; border-right: none;
  }
  .scale-opt { flex: 1 1 calc(50% - 5px); padding: 12px 6px; }
  .scale-opt .n { font-size: 16px; }
  input[type="text"], input[type="email"], textarea { font-size: 16px; }
  .nav-row { flex-direction: column-reverse; }
  .nav-btn { width: 100%; padding: 14px; text-align: center; }
  .toggle-btn { padding: 14px 16px; font-size: 15px; }
  .tier-group { padding: 16px; }
}