/* ─── assets/css/app.css v1.3 ───────────────────────────────────────────────── */
:root {
  --color-a:       #2471A3;
  --color-b:       #C0392B;
  --color-bg:      #f0f4f8;
  --color-card:    #ffffff;
  --color-border:  #dde3ec;
  --color-text:    #1a1a2e;
  --color-muted:   #7f8c8d;
  --radius:        14px;
  --radius-sm:     10px;
  --shadow:        0 2px 16px rgba(0,0,0,.08);
  --shadow-lg:     0 4px 24px rgba(0,0,0,.12);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }

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

/* ── TOP BAR ─────────────────────────────────────────────────────── */
#topbar {
  background: #fff;
  border-bottom: 2px solid var(--color-border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.logo { font-weight: 900; font-size: 1.1rem; color: var(--color-text); letter-spacing: -.02em; }
.logo span { color: var(--color-a); }
#topbar-code { font-family: monospace; font-size: .7rem; color: #bbb; letter-spacing: .04em; }
.role-badge {
  font-size: .72rem; font-weight: 800; padding: 3px 10px;
  border-radius: 20px; color: #fff; letter-spacing: .04em;
}
.role-badge.A { background: var(--color-a); }
.role-badge.B { background: var(--color-b); }

/* ── PROGRESS ────────────────────────────────────────────────────── */
#progress-wrap { background: var(--color-border); height: 4px; }
#progress-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--color-a), #1abc9c);
  transition: width .35s ease;
}

/* ── APP MAIN ────────────────────────────────────────────────────── */
#app { max-width: 640px; margin: 0 auto; padding: 16px 12px 110px; }

/* ── STEPS ───────────────────────────────────────────────────────── */
.step { display: none; animation: fadeUp .3s ease; }
.step.active { display: block; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.step-title {
  font-size: 1.2rem; font-weight: 800;
  margin-bottom: 4px; color: var(--color-text);
  letter-spacing: -.02em;
}
.step-subtitle { font-size: .84rem; color: var(--color-muted); margin-bottom: 20px; }

/* ── CARDS ───────────────────────────────────────────────────────── */
.card-section {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 16px;
  margin-bottom: 14px;
  border: 1px solid transparent;
}
.card-section h6 {
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-muted);
  margin-bottom: 14px;
}
.info-box { background: #fffbea; border: 1px solid #f0d060; }
.qr-promo { background: #eaf3fb; border: 1.5px dashed var(--color-a); }

/* ── FORMS ───────────────────────────────────────────────────────── */
.form-label { font-size: .84rem; font-weight: 600; margin-bottom: 4px; color: #444; }
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  padding: 10px 12px;
  font-size: .95rem;
  color: var(--color-text);
  transition: border-color .2s, box-shadow .2s;
  background: #fff;
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-a);
  box-shadow: 0 0 0 3px rgba(36,113,163,.12);
  outline: none;
}
.form-control.is-invalid { border-color: #e74c3c !important; }
.form-text { font-size: .78rem; color: #aaa; margin-top: 4px; }
textarea.form-control { resize: vertical; min-height: 88px; }

/* ── TOGGLE BUTTONS ─────────────────────────────────────────────── */
.toggle-group { display: flex; gap: 10px; }
.toggle-btn {
  flex: 1; padding: 12px 8px; border-radius: 12px;
  border: 2px solid var(--color-border); background: #fff;
  font-size: .92rem; font-weight: 700; cursor: pointer;
  text-align: center; transition: all .18s; color: var(--color-muted);
}
.toggle-btn.yes.active { background: #d5f5e3; border-color: #27ae60; color: #1a7a3d; }
.toggle-btn.no.active  { background: #fadbd8; border-color: #e74c3c; color: #922b21; }
.toggle-btn:not(.active):hover { border-color: #aaa; color: #555; }

/* ── CIRCUMSTANCE LIST ──────────────────────────────────────────── */
.circ-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  margin-bottom: 8px; cursor: pointer;
  transition: all .15s; background: #fff; user-select: none;
}
.circ-item:active { transform: scale(.98); }
.circ-item.checked { background: #eaf3fb; border-color: var(--color-a); }
.circ-nr {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-border); display: flex;
  align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800; flex-shrink: 0;
  transition: all .15s; color: var(--color-muted);
}
.circ-item.checked .circ-nr { background: var(--color-a); color: #fff; }
.circ-text { font-size: .84rem; line-height: 1.35; flex: 1; }
.circ-check { font-size: 1.1rem; color: var(--color-a); opacity: 0; transition: opacity .15s; flex-shrink: 0; }
.circ-item.checked .circ-check { opacity: 1; }

/* ── IMPACT SVG ─────────────────────────────────────────────────── */
#impact-svg { max-width: 210px; margin: 0 auto; display: block; cursor: pointer; }
#impact-svg .zone {
  fill: rgba(200,210,220,.15); stroke: rgba(180,190,200,.4);
  stroke-width: 1.5; transition: fill .15s;
}
#impact-svg .zone:hover { fill: rgba(231,76,60,.25); stroke: #e74c3c; }
#impact-svg .zone.selected { fill: rgba(231,76,60,.5); stroke: #c0392b; stroke-width: 2; }

/* ── SKETCH CANVAS ──────────────────────────────────────────────── */
#sketch-toolbar {
  display: flex; gap: 6px; flex-wrap: wrap; align-items: center;
  padding: 10px 12px; background: #f8f9fa;
  border-bottom: 1px solid var(--color-border);
}
.tool-group { display: flex; gap: 5px; align-items: center; }
.tool-btn {
  padding: 6px 10px; border-radius: 8px;
  border: 1.5px solid var(--color-border); background: #fff;
  font-size: .8rem; font-weight: 700; cursor: pointer;
  transition: all .15s; color: var(--color-text); line-height: 1;
}
.tool-btn.active  { background: var(--color-a); color: #fff; border-color: var(--color-a); }
.tool-btn:hover:not(.active) { border-color: #aaa; }
.color-swatch {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2.5px solid transparent; cursor: pointer;
  transition: transform .15s; flex-shrink: 0;
}
.color-swatch.active { border-color: #1a1a2e; transform: scale(1.25); }
.color-swatch:hover:not(.active) { transform: scale(1.1); }

#sketch-wrap { position: relative; background: #fafafa; }
#sketch-canvas { display: block; width: 100%; cursor: crosshair; touch-action: none; }

#sketch-bottom {
  display: flex; gap: 8px; padding: 8px 12px;
  background: #f8f9fa; border-top: 1px solid var(--color-border);
  align-items: center;
}

/* ── SIGNATURE PAD ──────────────────────────────────────────────── */
.sig-wrap { position: relative; }
#sig-canvas-a, #sig-canvas-b {
  display: block; width: 100%; height: 140px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  background: #fff; cursor: crosshair; touch-action: none;
}
.sig-placeholder {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  font-size: .85rem; color: #bbb; font-style: italic; pointer-events: none;
  white-space: nowrap;
}

/* ── PHOTO UPLOAD ───────────────────────────────────────────────── */
.upload-area {
  border: 2px dashed #b8c4ce; border-radius: var(--radius-sm);
  padding: 18px; text-align: center; cursor: pointer;
  transition: all .2s; background: #f8fafc;
}
.upload-area:hover, .upload-area:active { border-color: var(--color-a); background: #eaf3fb; }
.photo-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.photo-thumb { position: relative; }
.photo-thumb img {
  width: 72px; height: 72px; object-fit: cover;
  border-radius: 8px; border: 2px solid var(--color-border); display: block;
}
.photo-thumb .del-btn {
  position: absolute; top: -5px; right: -5px;
  background: #e74c3c; color: #fff; border: 2px solid #fff;
  border-radius: 50%; width: 20px; height: 20px;
  font-size: 10px; cursor: pointer; line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.pdf-thumb {
  width: 72px; height: 72px; border-radius: 8px;
  background: #f4f6f7; border: 2px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}

/* ── CODE BOX ───────────────────────────────────────────────────── */
.code-box {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.35rem; font-weight: 900; letter-spacing: .12em;
  background: var(--color-bg); border-radius: var(--radius-sm);
  padding: 14px; text-align: center; cursor: pointer;
  border: 2px dashed #b8c4ce; transition: all .18s;
  word-break: break-all;
}
.code-box:active { background: #dde3ec; transform: scale(.97); }

/* ── REVIEW ─────────────────────────────────────────────────────── */
.review-row {
  display: flex; justify-content: space-between;
  padding: 6px 0; border-bottom: 1px solid #f0f4f8; font-size: .84rem;
}
.review-row:last-child { border-bottom: none; }
.review-row .label { color: var(--color-muted); font-weight: 600; }
.review-row .value { font-weight: 500; max-width: 55%; text-align: right; word-break: break-word; }
.review-check-row {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 0; font-size: .84rem;
}

/* ── BOTTOM NAV ─────────────────────────────────────────────────── */
#bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,.97); backdrop-filter: blur(10px);
  border-top: 1px solid var(--color-border);
  padding: 10px 16px; padding-bottom: calc(env(safe-area-inset-bottom) + 10px);
  display: flex; gap: 10px; z-index: 150;
  box-shadow: 0 -4px 16px rgba(0,0,0,.06);
}
#btn-prev { min-width: 90px; border-radius: 12px; }
#btn-next { flex: 1; font-size: 1rem; font-weight: 800; padding: 13px; border-radius: 12px; }

/* ── AUTOSAVE INDICATOR ─────────────────────────────────────────── */
#save-indicator {
  position: fixed; bottom: 80px; right: 14px;
  font-size: .72rem; color: #27ae60; font-weight: 800;
  opacity: 0; transition: opacity .5s; pointer-events: none; z-index: 300;
  background: rgba(255,255,255,.9); border-radius: 20px;
  padding: 4px 10px; box-shadow: var(--shadow);
}

/* ── TOAST CONTAINER ────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 76px; left: 50%; transform: translateX(-50%);
  z-index: 9999; width: min(360px, 94vw);
}
.toast { border-radius: 12px !important; box-shadow: var(--shadow-lg) !important; }

/* ── DIVIDER ────────────────────────────────────────────────────── */
.divider-text {
  display: flex; align-items: center; gap: 10px;
  font-size: .8rem; color: var(--color-muted);
}
.divider-text::before, .divider-text::after {
  content: ''; flex: 1; height: 1px; background: var(--color-border);
}

/* ── QR MODAL ───────────────────────────────────────────────────── */
#qr-reader { border-radius: 10px; overflow: hidden; }

/* ── AD SLOT ────────────────────────────────────────────────────── */
#ad-slot { text-align: center; min-height: 90px; margin: 8px 0 16px; }

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 380px) {
  .code-box { font-size: 1.1rem; letter-spacing: .08em; }
  .step-title { font-size: 1.05rem; }
}
@media (min-width: 640px) {
  #app { padding: 24px 20px 120px; }
  .step-title { font-size: 1.35rem; }
  .card-section { padding: 22px 20px; }
}

/* ── PRINT ──────────────────────────────────────────────────────── */
@media print {
  #topbar, #progress-wrap, #bottom-nav, #save-indicator, .toast-container, #ad-slot { display: none !important; }
  #app { padding: 0; max-width: 100%; }
  .step { display: block !important; page-break-inside: avoid; }
  .card-section { box-shadow: none; border: 1px solid #ddd; margin-bottom: 8px; }
}

/* ── DARK MODE (system preference) ─────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg:    #0d1117;
    --color-card:  #161b22;
    --color-border:#30363d;
    --color-text:  #c9d1d9;
    --color-muted: #8b949e;
  }
  #topbar { background: #161b22; border-color: #30363d; }
  .form-control, .form-select { background: #0d1117; color: #c9d1d9; border-color: #30363d; }
  .toggle-btn { background: #161b22; color: #8b949e; border-color: #30363d; }
  .circ-item { background: #161b22; border-color: #30363d; }
  .code-box { background: #0d1117; border-color: #30363d; }
  .upload-area { background: #0d1117; border-color: #30363d; }
  #sig-canvas-a, #sig-canvas-b { background: #0d1117; border-color: #30363d; }
  #sketch-wrap { background: #0d1117; }
  #sketch-toolbar, #sketch-bottom { background: #161b22; border-color: #30363d; }
  .tool-btn { background: #0d1117; color: #c9d1d9; border-color: #30363d; }
  .info-box { background: #1a1600; border-color: #6b5800; }
  .qr-promo { background: #001a2e; border-color: #0d4a7a; }
  #bottom-nav { background: rgba(22,27,34,.97); border-color: #30363d; }
}