/* ============================================================
   KALKULATOR POMPY CIEPŁA – calculator.css
   Mobile-first. Profesjonalny UX/UI.
   ============================================================ */

/* ── DESIGN TOKENS ───────────────────────────────── */
:root {
  --cp:       #0f766e;   /* primary teal */
  --cp-dk:    #0b5a54;
  --cp-lt:    #e6faf6;
  --cp-ring:  rgba(15,118,110,.20);
  --ca:       #f59e0b;   /* accent amber */
  --ca-dk:    #d97706;
  --cs:       #ffffff;   /* surface */
  --cb:       #1e293b;   /* text dark */
  --cm:       #475569;   /* muted */
  --cfaint:   #94a3b8;
  --ce:       #dc2626;   /* error */
  --cok:      #16a34a;   /* success */
  --cwarn:    #d97706;
  --cinfo:    #0284c7;
  --border:   #cbd5e1;   /* slate-300 – visible border */
  --border-focus: var(--cp);
  --r-lg:     14px;
  --r-md:     10px;
  --r-sm:     7px;
  --shadow-card: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
  --shadow-raise: 0 4px 20px rgba(15,118,110,.18);
  --t: .18s ease;
}

/* ── BASE ────────────────────────────────────────── */
#calc-root {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--cb);
  background: #fff;
  max-width: 860px;
  margin-inline: auto;
  box-sizing: border-box;
}
#calc-root *, #calc-root *::before, #calc-root *::after {
  box-sizing: border-box;
}

/* ── PROGRESS STEPPER ────────────────────────────── */
.calc-progress {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 36px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.calc-progress::-webkit-scrollbar { display: none; }

.calc-step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 46px;
  position: relative;
}

/* connector line */
.calc-step-indicator::before {
  content: '';
  position: absolute;
  top: 19px;
  left: calc(50% + 19px);
  right: calc(-50% + 19px);
  height: 2px;
  background: var(--border);
  z-index: 0;
  transition: background var(--t);
}
.calc-step-indicator:last-child::before { display: none; }
.calc-step-indicator.done::before { background: var(--cp); }

.calc-step-dot {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--cm);
  position: relative;
  z-index: 1;
  transition: background var(--t), border-color var(--t), color var(--t), box-shadow var(--t);
}
.calc-step-indicator.active .calc-step-dot {
  background: var(--cp);
  border-color: var(--cp);
  color: #fff;
  box-shadow: 0 0 0 5px var(--cp-ring);
}
.calc-step-indicator.done .calc-step-dot {
  background: var(--cp);
  border-color: var(--cp);
  color: #fff;
}
/* checkmark for done */
.calc-step-indicator.done .calc-step-dot::after {
  content: '';
  display: block;
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  font-size: 0;
  color: transparent;
}
.calc-step-indicator.done .calc-step-dot { font-size: 0; }

.calc-step-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--cfaint);
  margin-top: 6px;
  text-align: center;
  white-space: nowrap;
  letter-spacing: .02em;
}
.calc-step-indicator.active .calc-step-label { color: var(--cp-dk); font-weight: 700; }
.calc-step-indicator.done .calc-step-label  { color: var(--cp); }

/* ── STEP PANEL ──────────────────────────────────── */
.calc-step { display: none; }
.calc-step.active {
  display: block;
  animation: cpFadeUp .22s ease both;
}
@keyframes cpFadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.calc-step-header { margin-bottom: 28px; }

.calc-step-num {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--cp-lt);
  color: var(--cp-dk);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15,118,110,.18);
  margin-bottom: 10px;
}

.calc-step-title {
  font-size: clamp(1.2rem, 3.5vw, 1.5rem);
  font-weight: 800;
  color: var(--cb);
  margin: 0 0 6px;
  line-height: 1.25;
}

.calc-step-desc {
  color: var(--cm);
  font-size: 0.90rem;
  margin: 0;
}

/* ── FORM GRID ───────────────────────────────────── */
/* MOBILE FIRST: 1 kolumna → 2 kolumny na szerszym */
.calc-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .calc-grid                    { grid-template-columns: 1fr 1fr; }
  .calc-grid.cols-1             { grid-template-columns: 1fr; }
  .calc-grid.cols-3             { grid-template-columns: 1fr 1fr 1fr; }
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.calc-field.span-2 { grid-column: 1 / -1; }

.calc-label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px 4px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cb);
  letter-spacing: -.01em;
}
.calc-label .calc-hint {
  font-weight: 400;
  color: var(--cm);
  font-size: 0.82rem;
}

/* ── INPUTS & SELECTS ────────────────────────────── */
.calc-input,
.calc-select,
.calc-textarea {
  padding: 13px 16px;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--cb);
  background: #fff;
  transition: border-color var(--t), box-shadow var(--t);
  outline: none;
  width: 100%;
  min-height: 48px; /* touch target */
}
.calc-input:focus,
.calc-select:focus,
.calc-textarea:focus {
  border-color: var(--cp);
  box-shadow: 0 0 0 4px var(--cp-ring);
}
.calc-input.error,
.calc-select.error {
  border-color: var(--ce);
  box-shadow: 0 0 0 3px rgba(220,38,38,.12);
}
.calc-select { cursor: pointer; }

/* ── RADIO CARDS ─────────────────────────────────── */
.calc-radio-group {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}
@media (min-width: 460px) {
  .calc-radio-group             { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .calc-radio-group.cols-2      { grid-template-columns: 1fr 1fr; }
  .calc-radio-group.cols-3      { grid-template-columns: 1fr 1fr 1fr; }
}

.calc-radio-card { position: relative; }
.calc-radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.calc-radio-card label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 14px 10px;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  background: #fff;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--cm);
  text-align: center;
  transition: border-color var(--t), background var(--t), color var(--t), box-shadow var(--t);
  line-height: 1.3;
  min-height: 70px;
  user-select: none;
}
.calc-radio-card label svg {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  stroke: var(--cp);
}
.calc-radio-card input:checked + label {
  border-color: var(--cp);
  border-width: 2.5px;
  background: var(--cp-lt);
  color: var(--cp-dk);
  box-shadow: 0 0 0 3px var(--cp-ring);
}
.calc-radio-card label:hover {
  border-color: var(--cp);
  background: rgba(230,250,246,.5);
  color: var(--cp-dk);
}

/* ── CHECKBOXES ──────────────────────────────────── */
.calc-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.calc-checkbox-item {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  background: #fff;
  transition: border-color var(--t), background var(--t);
}
.calc-checkbox-item:has(input:checked) {
  border-color: var(--cp);
  background: var(--cp-lt);
}
.calc-checkbox-item input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--cp);
  cursor: pointer;
  flex-shrink: 0;
}

/* ── NAVIGATION ──────────────────────────────────── */
.calc-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 2px solid #f1f5f9;
  gap: 12px;
  flex-wrap: wrap;
}

.calc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 28px;
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--t), color var(--t), border-color var(--t),
              box-shadow var(--t), transform .12s ease;
  outline: none;
  min-height: 48px;
  letter-spacing: -.01em;
}
.calc-btn:active { transform: scale(.97); }

.calc-btn-primary {
  background: var(--cp);
  color: #fff;
  border-color: var(--cp);
  box-shadow: 0 4px 14px rgba(15,118,110,.30);
}
.calc-btn-primary:hover {
  background: var(--cp-dk);
  border-color: var(--cp-dk);
  box-shadow: 0 6px 20px rgba(15,118,110,.38);
  transform: translateY(-1px);
}

.calc-btn-secondary {
  background: #fff;
  color: var(--cp);
  border-color: var(--border);
}
.calc-btn-secondary:hover {
  background: var(--cp-lt);
  border-color: var(--cp);
}

.calc-btn-accent {
  background: var(--ca);
  color: #1a1a1a;
  border-color: var(--ca);
  box-shadow: 0 4px 14px rgba(245,158,11,.30);
}
.calc-btn-accent:hover {
  background: var(--ca-dk);
  border-color: var(--ca-dk);
  box-shadow: 0 6px 20px rgba(245,158,11,.38);
  transform: translateY(-1px);
}

/* ── ALERT ───────────────────────────────────────── */
.calc-alert {
  padding: 13px 16px;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  margin-top: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1.5px solid transparent;
  line-height: 1.55;
}
.calc-alert svg { flex-shrink: 0; margin-top: 1px; }
.calc-alert-info  { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
.calc-alert-warn  { background: #fffbeb; color: #92400e; border-color: #fde68a; }
.calc-alert-error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.calc-alert-success { background: #f0fdf4; color: #166534; border-color: #bbf7d0; }

/* ── FIELD ERROR ─────────────────────────────────── */
.calc-field-error {
  font-size: 0.80rem;
  font-weight: 600;
  color: var(--ce);
  display: none;
  align-items: center;
  gap: 5px;
}
.calc-field-error.visible { display: flex; }

/* ── RESULTS CONTAINER ───────────────────────────── */
#calc-results {
  display: none;
  animation: cpFadeUp .30s ease both;
}
#calc-results.visible { display: block; }

/* ── RESULTS HEADER ──────────────────────────────── */
.calc-results-header {
  text-align: center;
  padding: 32px 24px 28px;
  background: linear-gradient(160deg, #f0fdf4 0%, #fff 100%);
  border: 2px solid #d1fae5;
  border-radius: var(--r-lg);
  margin-bottom: 20px;
}
.calc-results-title {
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  font-weight: 900;
  color: var(--cb);
  margin: 12px 0 4px;
  line-height: 1.2;
}
.calc-results-subtitle {
  color: var(--cm);
  font-size: 0.92rem;
  margin: 0;
}

/* ── DISCLAIMER ──────────────────────────────────── */
.calc-disclaimer {
  background: #fffbeb;
  border: 2px solid #fde68a;
  border-radius: var(--r-md);
  padding: 13px 16px;
  font-size: 0.84rem;
  color: #78350f;
  margin-bottom: 20px;
  line-height: 1.55;
}

/* ── SCORE GRID ──────────────────────────────────── */
.calc-score-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
@media (max-width: 420px) { .calc-score-grid { grid-template-columns: 1fr; } }

.calc-score-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.calc-score-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cm);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: 10px;
}
.calc-score-value {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 4px;
}
.calc-score-sub {
  font-size: 0.79rem;
  color: var(--cfaint);
}

/* ── POWER CARD ──────────────────────────────────── */
.calc-power-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.calc-power-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--cb);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.calc-power-title svg { flex-shrink: 0; }

.calc-power-range {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.calc-power-num {
  font-size: clamp(2rem, 5vw, 2.4rem);
  font-weight: 900;
  color: var(--cp-dk);
  line-height: 1;
}
.calc-power-unit {
  font-size: 1rem;
  color: var(--cm);
  font-weight: 600;
}
.calc-power-badge {
  background: var(--cp);
  color: #fff;
  padding: 4px 13px;
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 700;
  align-self: center;
}

/* bar */
.calc-range-bar-wrap {
  position: relative;
  height: 12px;
  background: #e2e8f0;
  border-radius: 999px;
  margin: 14px 0 10px;
}
.calc-range-bar-fill {
  position: absolute;
  height: 100%;
  background: linear-gradient(90deg, var(--cp), #2dd4bf);
  border-radius: 999px;
  transition: width .5s ease;
}
.calc-range-bar-opt {
  position: absolute;
  top: -4px;
  width: 20px;
  height: 20px;
  background: var(--cp-dk);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(11,90,84,.45);
  transform: translateX(-50%);
}
.calc-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.77rem;
  color: var(--cfaint);
  font-weight: 600;
}

/* flow temp pill */
.calc-flow-temp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  font-weight: 700;
  font-size: 0.93rem;
  border: 2px solid transparent;
}
.calc-flow-temp.low  { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
.calc-flow-temp.med  { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.calc-flow-temp.high { background: #fff1f2; color: #be123c; border-color: #fecdd3; }

/* ── SECTION BLOCK ───────────────────────────────── */
.calc-section {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}
@media (min-width: 560px) { .calc-section { padding: 24px 28px; } }

.calc-section-title {
  font-size: 0.97rem;
  font-weight: 800;
  color: var(--cb);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #f1f5f9;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -.01em;
}
.calc-section-title svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
}

/* ── MODEL CARDS ─────────────────────────────────── */
.calc-models-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 4px;
}

.calc-model-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 18px;
  align-items: start;
  transition: border-color var(--t), box-shadow var(--t);
}
.calc-model-card:hover {
  border-color: var(--cp);
  box-shadow: var(--shadow-raise);
}
.calc-model-card.top-pick {
  border-color: var(--cp);
  border-width: 2.5px;
  box-shadow: var(--shadow-raise);
}
@media (max-width: 480px) {
  .calc-model-card { grid-template-columns: 1fr; }
}

.calc-model-top-badge {
  background: var(--cp);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 11px;
  border-radius: 999px;
  margin-bottom: 7px;
  display: inline-block;
  letter-spacing: .03em;
}
.calc-model-name {
  font-size: 1.0rem;
  font-weight: 800;
  color: var(--cb);
  margin: 0 0 6px;
  line-height: 1.3;
}
.calc-model-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}
.calc-badge {
  font-size: 0.73rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--cp-lt);
  color: var(--cp-dk);
  border: 1px solid rgba(15,118,110,.20);
}
.calc-badge.neutral { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }
.calc-badge.warn    { background: #fffbeb; color: #92400e; border-color: #fde68a; }

.calc-model-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 8px;
}
.calc-model-stat {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--r-sm);
  padding: 9px 8px;
  text-align: center;
}
.calc-model-stat-val {
  font-size: 1.0rem;
  font-weight: 800;
  color: var(--cp-dk);
  line-height: 1.2;
}
.calc-model-stat-lbl {
  font-size: 0.70rem;
  color: var(--cm);
  margin-top: 1px;
  line-height: 1.3;
}

/* score ring */
.calc-model-score-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 3px solid var(--cp-lt);
  background: #fff;
  box-shadow: 0 0 0 4px var(--cp-ring);
  flex-shrink: 0;
}
.calc-model-card.top-pick .calc-model-score-ring {
  border-color: var(--cp);
  box-shadow: 0 0 0 4px rgba(15,118,110,.22);
}
.calc-model-score-num {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--cp);
  line-height: 1;
}
.calc-model-score-lbl {
  font-size: 0.64rem;
  color: var(--cfaint);
  text-align: center;
  line-height: 1.2;
}

/* ── COST GRID ───────────────────────────────────── */
.calc-cost-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}
@media (max-width: 480px) { .calc-cost-grid { grid-template-columns: 1fr; } }

.calc-cost-card {
  background: #f8fafc;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px 18px;
}
.calc-cost-label {
  font-size: 0.79rem;
  font-weight: 700;
  color: var(--cm);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.calc-cost-value {
  font-size: clamp(1.5rem, 4vw, 1.9rem);
  font-weight: 900;
  color: var(--cb);
  margin-bottom: 4px;
  line-height: 1.1;
}
.calc-cost-source {
  font-size: 0.73rem;
  color: var(--cfaint);
  line-height: 1.4;
}

/* ── REASON LIST ─────────────────────────────────── */
.calc-reason-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.calc-reason-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--cb);
  line-height: 1.55;
  padding: 10px 12px;
  background: #f8fafc;
  border-radius: var(--r-sm);
  border: 1.5px solid #e2e8f0;
}
.calc-reason-list li svg {
  flex-shrink: 0;
  width: 16px; height: 16px;
  margin-top: 3px;
}

/* ── READINESS BARS ──────────────────────────────── */
.calc-readiness-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.calc-readiness-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  font-size: 0.88rem;
}
@media (min-width: 500px) {
  .calc-readiness-row { grid-template-columns: 160px 1fr 44px; align-items: center; gap: 10px; }
}
.calc-readiness-row-label { font-weight: 700; color: var(--cb); }
.calc-readiness-bar-wrap {
  height: 10px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid #cbd5e1;
}
.calc-readiness-bar-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .8s cubic-bezier(.22,1,.36,1);
}
.calc-readiness-pct {
  font-size: 0.84rem;
  font-weight: 800;
  text-align: right;
}

/* ── SCENARIOS ───────────────────────────────────── */
.calc-scenarios {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
@media (min-width: 520px) { .calc-scenarios { grid-template-columns: 1fr 1fr; } }

.calc-scenario-card {
  background: #fff;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
  user-select: none;
}
.calc-scenario-card:hover {
  border-color: var(--cp);
  background: var(--cp-lt);
  box-shadow: 0 2px 12px rgba(15,118,110,.12);
}
.calc-scenario-card.applied {
  border-color: var(--cp);
  border-width: 2.5px;
  background: var(--cp-lt);
  box-shadow: 0 0 0 3px var(--cp-ring);
}
.calc-scenario-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cb);
  margin-bottom: 4px;
}
.calc-scenario-desc {
  font-size: 0.79rem;
  color: var(--cm);
  margin-bottom: 10px;
  line-height: 1.4;
}
.calc-scenario-impact { display: flex; gap: 6px; flex-wrap: wrap; }
.calc-scenario-chip {
  font-size: 0.73rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}
.calc-scenario-result {
  background: #f0fdf4;
  border: 2px solid #bbf7d0;
  border-radius: var(--r-md);
  padding: 16px;
  margin-top: 12px;
  font-size: 0.88rem;
  display: none;
  line-height: 1.55;
}
.calc-scenario-result.visible { display: block; }

/* ── RESTART BAR ─────────────────────────────────── */
.calc-restart-bar {
  text-align: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 2px solid #f1f5f9;
}

/* ── ACTION BAR ──────────────────────────────────── */
.calc-action-bar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 20px;
  padding: 24px 20px;
  background: #f8fafc;
  border-radius: var(--r-lg);
  border: 2px solid var(--border);
}
@media (min-width: 520px) {
  .calc-action-bar {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
  }
}

.calc-btn-copy,
.calc-btn-share {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--border);
  background: #fff;
  color: var(--cp-dk);
  transition: background var(--t), border-color var(--t), transform .12s;
  width: 100%;
  min-height: 48px;
}
@media (min-width: 520px) {
  .calc-btn-copy, .calc-btn-share { width: auto; }
}
.calc-btn-copy:hover,
.calc-btn-share:hover {
  background: var(--cp-lt);
  border-color: var(--cp);
}
.calc-btn-copy:active,
.calc-btn-share:active { transform: scale(.97); }
.calc-btn-copy.copied {
  background: #f0fdf4;
  border-color: #86efac;
  color: var(--cok);
}

.calc-btn-cta-offer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--ca);
  color: #000000 !important;
  box-shadow: none;
  text-decoration: none;
  transition: background var(--t), transform .12s;
  width: 100%;
  min-height: 52px;
  letter-spacing: -.01em;
}
@media (min-width: 520px) { .calc-btn-cta-offer { width: auto; } }
.calc-btn-cta-offer:hover {
  background: #fbbf24;
  box-shadow: none;
  transform: translateY(-1px);
  color: #000000 !important;
}
.calc-btn-cta-offer:active { transform: scale(.97); }

/* ── MOBILE GLOBAL ───────────────────────────────── */
@media (max-width: 479px) {
  .calc-power-num { font-size: 1.8rem; }
  .calc-cost-value { font-size: 1.4rem; }
  .calc-section { padding: 18px 16px; }
  .calc-model-card { padding: 16px 14px; }
}

/* ── TOOLTIP SYSTEM ──────────────────────────────── */
.calc-tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 5px;
  padding: 0;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  color: var(--cfaint);
  cursor: pointer;
  vertical-align: middle;
  flex-shrink: 0;
  transition: color var(--t), border-color var(--t), background var(--t);
  position: relative;
}
.calc-tooltip-trigger:hover,
.calc-tooltip-trigger:focus-visible {
  color: var(--cp);
  border-color: var(--cp);
  background: var(--cp-lt);
  outline: none;
}

#calc-global-tooltip {
  position: absolute;
  z-index: 9999;
  max-width: 300px;
  min-width: 180px;
  background: #1e293b;
  color: #f1f5f9;
  font-size: 0.82rem;
  line-height: 1.55;
  padding: 10px 14px;
  border-radius: var(--r-md);
  box-shadow: 0 8px 28px rgba(0,0,0,.22);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .18s ease, transform .18s ease;
}
#calc-global-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ── CLIMATE ZONE CARDS ──────────────────────────── */
.calc-climate-zone-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (min-width: 480px) {
  .calc-climate-zone-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 700px) {
  .calc-climate-zone-grid { grid-template-columns: repeat(5, 1fr); }
}

.calc-zone-card label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 14px 8px 12px;
  text-align: center;
}
.calc-zone-card input:checked + label {
  border-color: var(--cp);
  background: var(--cp-lt);
}
.zone-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cp);
  line-height: 1;
}
.calc-zone-card input:checked + label .zone-number {
  color: var(--cp-dk);
}
.zone-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cb);
  line-height: 1.3;
}
.zone-temp {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cp);
  background: var(--cp-lt);
  border-radius: 20px;
  padding: 2px 8px;
  margin-top: 2px;
}
.calc-zone-card input:checked + label .zone-temp {
  background: var(--cp);
  color: #fff;
}
.zone-cities {
  font-size: 0.68rem;
  color: var(--cfaint);
  line-height: 1.3;
  margin-top: 2px;
}

/* ── CTA BUTTON W KAFELKU TOP-PICK ───────────────── */
.calc-model-cta-btn {
  display: inline-block;
  margin-top: 12px;
  background: var(--ca);
  color: #000000 !important;
  font-size: 0.73rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  text-decoration: none;
  transition: background var(--t), transform .12s;
  box-shadow: none;
  letter-spacing: -.01em;
}
.calc-model-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: none;
  color: #000000 !important;
  text-decoration: none;
}
.calc-model-cta-btn:active {
  transform: scale(.97);
}

/* ── BANNER CTA PO SEKCJI KOSZTÓW ────────────────── */
.calc-cta-banner {
  margin-top: 16px;
  background: linear-gradient(135deg, #fffbeb, #fef3c7);
  border: 1.5px solid #f59e0b;
  border-radius: var(--r-lg);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.calc-cta-banner-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  min-width: 0;
}
.calc-cta-banner-text strong {
  font-size: 0.95rem;
  color: #111827;
  font-weight: 800;
  line-height: 1.35;
}
.calc-cta-banner-text span {
  font-size: 0.84rem;
  color: #6b7280;
  line-height: 1.4;
}
.calc-cta-banner-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ca);
  color: #000000 !important;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  white-space: normal;
  word-break: break-word;
  box-shadow: none;
  transition: background var(--t), transform .12s;
  letter-spacing: -.01em;
  flex-shrink: 0;
  text-align: center;
  max-width: 220px;
}
.calc-cta-banner-btn:hover {
  background: #fbbf24;
  transform: translateY(-2px);
  color: #000000 !important;
  text-decoration: none;
  box-shadow: none;
}
.calc-cta-banner-btn:active {
  transform: scale(.97);
}
@media (max-width: 480px) {
  .calc-cta-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .calc-cta-banner-btn {
    width: 100%;
    max-width: 100%;
    text-align: center;
  }
}