:root {
  --fe-green:       #1c3a2b;
  --fe-green-light: #2e5c44;
  --fe-gold:        #c9922a;
  --fe-cream:       #faf8f4;
  --fe-sand:        #f0ede7;
  --fe-border:      #ddd6cc;
  --fe-text:        #1a1a1a;
  --fe-muted:       #666;
  --fe-radius:      10px;
  --fe-shadow:      0 4px 24px rgba(0,0,0,.10);
}

/* ── Container ─────────────────────────────────────────────────────────────── */
.fe-estimator {
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  max-width: 780px;
  margin: 0 auto;
  background: var(--fe-cream);
  border-radius: 16px;
  box-shadow: var(--fe-shadow);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--fe-border);
}

/* ── Progress ───────────────────────────────────────────────────────────────── */
.fe-progress {
  display: flex;
  align-items: center;
  background: var(--fe-green);
  padding: 18px 28px;
  gap: 0;
}
.fe-progress-line { flex: 1; height: 1px; background: rgba(255,255,255,.2); margin: 0 6px; }
.fe-progress-step { display: flex; align-items: center; gap: 7px; opacity: .4; transition: .2s; }
.fe-progress-step--active { opacity: 1; }
.fe-progress-step--done   { opacity: .7; }
.fe-step-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(255,255,255,.12); color: #fff;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid rgba(255,255,255,.25);
  flex-shrink: 0; transition: .2s;
}
.fe-progress-step--active .fe-step-num { background: var(--fe-gold); color: var(--fe-green); border-color: var(--fe-gold); }
.fe-progress-step--done   .fe-step-num { background: var(--fe-green-light); border-color: var(--fe-gold); color: var(--fe-gold); font-size: 11px; }
.fe-step-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,.8); white-space: nowrap; }

/* ── Steps ──────────────────────────────────────────────────────────────────── */
.fe-step { display: none; padding: 32px 36px 28px; animation: feSlide .3s ease; }
.fe-step--active { display: block; }
@keyframes feSlide { from{opacity:0;transform:translateX(16px)} to{opacity:1;transform:none} }

.fe-step-header h2 { font-family: 'Playfair Display', Georgia, serif; font-size: 24px; font-weight: 800; color: var(--fe-green); margin: 0 0 5px; }
.fe-step-header p  { color: var(--fe-muted); font-size: 14px; margin: 0 0 20px; }
.fe-step-header strong { color: var(--fe-text); }

/* ── Notice ────────────────────────────────────────────────────────────────── */
.fe-notice { padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 14px; }
.fe-notice--warning { background: #fffbe6; border: 1px solid #ffe066; color: #7a5c00; }
.fe-notice a { color: #7a5c00; text-decoration: underline; }

/* ── Address row ─────────────────────────────────────────────────────────────*/
.fe-addr-row { display: flex; gap: 8px; margin-bottom: 10px; }
.fe-addr-row input {
  flex: 1; padding: 10px 14px;
  border: 1.5px solid var(--fe-border); border-radius: var(--fe-radius);
  font-size: 14px; font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  background: #fff; color: var(--fe-text); transition: .2s;
}
.fe-addr-row input:focus { outline: none; border-color: var(--fe-green); box-shadow: 0 0 0 3px rgba(28,58,43,.10); }

/* ── Map ─────────────────────────────────────────────────────────────────────*/
#fe-map {
  width: 100%; height: 600px;
  border-radius: var(--fe-radius);
  border: 1.5px solid var(--fe-border);
  background: #d6e8c4;
  overflow: hidden;
  margin-bottom: 10px;
}

/* ── Toolbar ─────────────────────────────────────────────────────────────────*/
/* ── Map type toggle ──────────────────────────────────────────────────────── */
.fe-map-type-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
.fe-map-type-label { font-size: 12px; font-weight: 600; color: var(--fe-muted); margin-right: 2px; }
.fe-map-type-btn {
  padding: 5px 13px; border-radius: 20px; font-size: 12px; font-weight: 600;
  cursor: pointer; border: 1.5px solid var(--fe-border);
  background: #fff; color: var(--fe-muted); transition: .15s; font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
}
.fe-map-type-btn:hover { border-color: var(--fe-green); color: var(--fe-green); }
.fe-map-type-btn--active { background: var(--fe-green); color: var(--fe-gold) !important; border-color: var(--fe-green); }

.fe-map-toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 10px; }
.fe-measurement {
  margin-left: auto; background: var(--fe-green); color: var(--fe-gold);
  padding: 7px 16px; border-radius: 24px; font-size: 14px; font-weight: 700;
  display: flex; align-items: center; gap: 5px;
}
#fe-linear-feet { font-size: 18px; }

/* ── Tip ─────────────────────────────────────────────────────────────────────*/
.fe-tip {
  background: #fffbf0; border-left: 3px solid var(--fe-gold);
  padding: 10px 14px; border-radius: 0 6px 6px 0;
  font-size: 13px; color: #6a5000; margin-bottom: 20px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────────*/
.fe-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 5px; padding: 10px 20px; border-radius: 8px;
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif; font-size: 13px; font-weight: 700;
  cursor: pointer; border: 2px solid transparent; transition: .2s;
  white-space: nowrap;
}
.fe-btn--primary { background: var(--fe-green); color: var(--fe-gold); border-color: var(--fe-green); }
.fe-btn--primary:hover:not(:disabled) { background: var(--fe-green-light); border-color: var(--fe-green-light); transform: translateY(-1px); box-shadow: 0 5px 16px rgba(28,58,43,.22); }
.fe-btn--primary:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.fe-btn--secondary { background: var(--fe-gold); color: var(--fe-green); border-color: var(--fe-gold); }
.fe-btn--secondary:hover { filter: brightness(1.08); }
.fe-btn--outline { background: transparent; color: var(--fe-green); border-color: var(--fe-green); }
.fe-btn--outline:hover { background: var(--fe-green); color: var(--fe-gold); }
.fe-btn--ghost { background: transparent; color: var(--fe-muted); border-color: var(--fe-border); }
.fe-btn--ghost:hover { border-color: #aaa; color: var(--fe-text); }
.fe-btn--danger { background: transparent; color: #c0392b; border-color: #e8a8a2; }
.fe-btn--danger:hover { background: #fdf0ee; }
.fe-btn--active { background: var(--fe-green) !important; color: var(--fe-gold) !important; border-color: var(--fe-green) !important; }

/* ── Material grid ───────────────────────────────────────────────────────────*/
.fe-material-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(130px,1fr)); gap: 10px; margin-bottom: 22px; }
.fe-material-card {
  position: relative; background: #fff;
  border: 2px solid var(--fe-border); border-radius: var(--fe-radius);
  padding: 16px 10px; text-align: center; cursor: pointer; transition: .2s;
}
.fe-material-card:hover { border-color: var(--fe-green-light); transform: translateY(-2px); box-shadow: 0 5px 16px rgba(28,58,43,.10); }
.fe-material-card input[type="radio"] { display: none; }
.fe-material-card--selected { border-color: var(--fe-green); background: #f0f5f2; }
.fe-material-icon { font-size: 28px; margin-bottom: 7px; }
.fe-material-name { font-weight: 700; font-size: 13px; color: var(--fe-text); }
.fe-material-price { font-size: 11px; color: var(--fe-muted); margin-top: 3px; }
.fe-material-check {
  position: absolute; top: 6px; right: 7px;
  background: var(--fe-green); color: var(--fe-gold);
  border-radius: 50%; width: 18px; height: 18px;
  font-size: 10px; font-weight: 700;
  display: none; align-items: center; justify-content: center;
}
.fe-material-card--selected .fe-material-check { display: flex; }

/* ── Height row ──────────────────────────────────────────────────────────────*/
.fe-height-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.fe-height-label { font-size: 13px; font-weight: 600; color: var(--fe-text); margin-right: 4px; }
.fe-height-btn {
  padding: 7px 16px; border: 1.5px solid var(--fe-border);
  border-radius: 24px; font-size: 13px; font-weight: 600;
  cursor: pointer; background: #fff; color: var(--fe-muted); transition: .15s;
}
.fe-height-btn:hover { border-color: var(--fe-green-light); color: var(--fe-green); }
.fe-height-btn--active { background: var(--fe-green); color: var(--fe-gold); border-color: var(--fe-green); }

/* ── Estimate preview ────────────────────────────────────────────────────────*/
.fe-estimate-preview {
  background: var(--fe-green); border-radius: var(--fe-radius);
  padding: 22px; text-align: center; margin-bottom: 24px;
  animation: fePop .3s ease;
}
@keyframes fePop { from{transform:scale(.95);opacity:0} to{transform:scale(1);opacity:1} }
.fe-estimate-label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.55); margin-bottom: 4px; }
.fe-estimate-range { font-family: 'Playfair Display', Georgia, serif; font-size: 34px; font-weight: 800; color: var(--fe-gold); }
.fe-estimate-note  { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 5px; }

/* ── Form ────────────────────────────────────────────────────────────────────*/
.fe-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px; }
.fe-field { display: flex; flex-direction: column; gap: 5px; }
.fe-field--full { grid-column: 1 / -1; }
.fe-field label { font-size: 13px; font-weight: 600; color: var(--fe-text); }
.fe-req { color: var(--fe-gold); }
.fe-field input, .fe-field textarea, .fe-field select {
  padding: 10px 13px; border: 1.5px solid var(--fe-border);
  border-radius: 8px; font-size: 14px; font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  color: var(--fe-text); background: #fff; transition: .2s; resize: vertical;
}
.fe-field input:focus, .fe-field textarea:focus, .fe-field select:focus { outline: none; border-color: var(--fe-green); box-shadow: 0 0 0 3px rgba(28,58,43,.08); }

/* ── Step actions ────────────────────────────────────────────────────────────*/
.fe-step-actions {
  display: flex; gap: 10px; align-items: center; justify-content: flex-end;
  padding-top: 16px; border-top: 1px solid var(--fe-sand);
}

/* ── Result ──────────────────────────────────────────────────────────────────*/
.fe-result { text-align: center; padding: 10px 0 4px; }
.fe-result-icon { font-size: 48px; margin-bottom: 10px; }
.fe-result h2 { font-family: 'Playfair Display', Georgia, serif; font-size: 26px; font-weight: 800; color: var(--fe-green); margin: 0 0 6px; }
.fe-result p  { color: var(--fe-muted); font-size: 14px; margin-bottom: 22px; }
.fe-result-card { background: var(--fe-green); border-radius: 12px; padding: 24px 28px; max-width: 420px; margin: 0 auto 20px; }
.fe-result-material { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,.55); margin-bottom: 5px; }
.fe-result-range    { font-family: 'Playfair Display', Georgia, serif; font-size: 38px; font-weight: 800; color: var(--fe-gold); }
.fe-result-meta     { font-size: 12px; color: rgba(255,255,255,.45); margin-top: 8px; }
.fe-result-disclaimer { font-size: 12px; color: var(--fe-muted); font-style: italic; max-width: 420px; margin: 0 auto 24px; }

/* ── Loading ─────────────────────────────────────────────────────────────────*/
.fe-loading {
  position: absolute; inset: 0; background: rgba(250,248,244,.9);
  backdrop-filter: blur(4px); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px; z-index: 20;
}
.fe-loading p { color: var(--fe-green); font-weight: 600; }
.fe-spinner { width: 42px; height: 42px; border: 3px solid var(--fe-sand); border-top-color: var(--fe-green); border-radius: 50%; animation: feSpin .8s linear infinite; }
@keyframes feSpin { to { transform: rotate(360deg); } }

/* ── Error ───────────────────────────────────────────────────────────────────*/
.fe-error { margin: 0 36px 16px; background: #fee2e2; border: 1px solid #fca5a5; color: #991b1b; padding: 11px 14px; border-radius: 8px; font-size: 13px; }

/* ── Responsive ──────────────────────────────────────────────────────────────*/
@media (max-width:600px) {
  .fe-step { padding: 22px 18px 18px; }
  .fe-form-grid { grid-template-columns: 1fr; }
  .fe-material-grid { grid-template-columns: repeat(2,1fr); }
  .fe-step-label { display: none; }
  #fe-map { height: 300px; }
}