/* ===== KALKULATOR PRACODAWCY 2026 – STYLES ===== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ===== RESET & SCOPE ===== */
#kp-kalkulator,
#kp-kalkulator * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ===== TOKENS ===== */
#kp-kalkulator {
  --kp-bg: #0d0f14;
  --kp-surface: #13161e;
  --kp-surface2: #1a1e29;
  --kp-border: #252a38;
  --kp-border-hover: #3a4258;

  --kp-accent: #4ade80;
  --kp-accent-dark: #16a34a;
  --kp-accent-glow: rgba(74, 222, 128, 0.18);

  --kp-blue: #60a5fa;
  --kp-yellow: #fbbf24;
  --kp-red: #f87171;

  --kp-text: #e8ecf4;
  --kp-text-2: #8b92a8;
  --kp-text-3: #555d75;

  --kp-font-head: 'Syne', sans-serif;
  --kp-font-body: 'DM Sans', sans-serif;

  --kp-radius: 16px;
  --kp-radius-sm: 8px;
  --kp-radius-xs: 5px;

  --kp-shadow: 0 8px 40px rgba(0,0,0,.5);
  --kp-shadow-sm: 0 2px 12px rgba(0,0,0,.3);

  font-family: var(--kp-font-body);
  background: var(--kp-bg);
  color: var(--kp-text);
  max-width: 780px;
  margin: 0 auto;
  padding: 0 0 40px;
  font-size: 15px;
  line-height: 1.6;
  border-radius: var(--kp-radius);
  overflow: hidden;
}

/* ===== HEADER ===== */
.kp-header {
  background: linear-gradient(135deg, #0f1623 0%, #141b2e 50%, #0a1a1a 100%);
  padding: 44px 36px 36px;
  position: relative;
  border-bottom: 1px solid var(--kp-border);
  overflow: hidden;
}

.kp-header::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(74,222,128,.12) 0%, transparent 70%);
  pointer-events: none;
}

.kp-header::after {
  content: '';
  position: absolute;
  bottom: -40px; left: 20%;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(96,165,250,.06) 0%, transparent 70%);
  pointer-events: none;
}

.kp-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--kp-accent-glow);
  border: 1px solid rgba(74,222,128,.3);
  color: var(--kp-accent);
  font-family: var(--kp-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.kp-title {
  font-family: var(--kp-font-head);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 800;
  color: var(--kp-text);
  line-height: 1.2;
  margin-bottom: 8px;
  position: relative;
}

.kp-subtitle {
  color: var(--kp-text-2);
  font-size: 14px;
  font-weight: 300;
}

/* ===== QUICK BUTTON ===== */
.kp-quick {
  padding: 20px 24px;
  background: var(--kp-surface);
  border-bottom: 1px solid var(--kp-border);
}

.kp-minwage-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, rgba(74,222,128,.08), rgba(74,222,128,.04));
  border: 1.5px solid rgba(74,222,128,.25);
  border-radius: var(--kp-radius-sm);
  padding: 16px 20px;
  cursor: pointer;
  transition: all .2s ease;
  text-align: left;
  color: var(--kp-text);
  font-family: var(--kp-font-body);
}

.kp-minwage-btn:hover {
  border-color: rgba(74,222,128,.5);
  background: linear-gradient(135deg, rgba(74,222,128,.14), rgba(74,222,128,.06));
  transform: translateY(-1px);
}

.kp-minwage-btn:active { transform: translateY(0); }

.kp-minwage-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.kp-minwage-btn strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--kp-accent);
}

.kp-minwage-btn em {
  font-style: normal;
  font-size: 12px;
  color: var(--kp-text-2);
}

.kp-minwage-arrow {
  margin-left: auto;
  font-size: 18px;
  color: var(--kp-accent);
  opacity: .7;
  transition: opacity .2s, transform .2s;
}

.kp-minwage-btn:hover .kp-minwage-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ===== CONTRACT TABS ===== */
.kp-contract-tabs {
  display: flex;
  background: var(--kp-surface);
  padding: 12px 24px 0;
  gap: 4px;
  border-bottom: 1px solid var(--kp-border);
}

.kp-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--kp-text-2);
  font-family: var(--kp-font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 10px 16px;
  cursor: pointer;
  transition: all .18s ease;
  border-radius: var(--kp-radius-xs) var(--kp-radius-xs) 0 0;
  white-space: nowrap;
}

.kp-tab:hover {
  color: var(--kp-text);
  background: rgba(255,255,255,.03);
}

.kp-tab.active {
  color: var(--kp-accent);
  border-bottom-color: var(--kp-accent);
  background: rgba(74,222,128,.04);
}

/* ===== FORM CARD ===== */
.kp-form-card {
  background: var(--kp-surface);
  padding: 28px 24px;
  border-bottom: 1px solid var(--kp-border);
}

.kp-section-title {
  font-family: var(--kp-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--kp-border);
}

.kp-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.kp-row-amount {
  align-items: flex-end;
}

.kp-field {
  flex: 1 1 200px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kp-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--kp-text-2);
  line-height: 1.4;
}

.kp-input {
  background: var(--kp-surface2);
  border: 1.5px solid var(--kp-border);
  border-radius: var(--kp-radius-sm);
  color: var(--kp-text);
  font-family: var(--kp-font-head);
  font-size: 18px;
  font-weight: 600;
  padding: 12px 14px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  width: 100%;
  -moz-appearance: textfield;
}

.kp-input::-webkit-inner-spin-button,
.kp-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.kp-input:focus {
  border-color: var(--kp-accent);
  box-shadow: 0 0 0 3px var(--kp-accent-glow);
}

.kp-input-amount {
  font-size: 22px;
}

.kp-amount-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.kp-amount-wrap .kp-input {
  padding-right: 40px;
}

.kp-currency {
  position: absolute;
  right: 14px;
  color: var(--kp-text-3);
  font-size: 13px;
  font-weight: 600;
  pointer-events: none;
}

.kp-select {
  background: var(--kp-surface2);
  border: 1.5px solid var(--kp-border);
  border-radius: var(--kp-radius-sm);
  color: var(--kp-text);
  font-family: var(--kp-font-body);
  font-size: 14px;
  padding: 12px 14px;
  outline: none;
  cursor: pointer;
  transition: border-color .18s;
  width: 100%;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b92a8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}

.kp-select:focus { border-color: var(--kp-accent); }

/* ===== TOGGLE ===== */
.kp-toggle-group {
  display: flex;
  background: var(--kp-surface2);
  border: 1.5px solid var(--kp-border);
  border-radius: var(--kp-radius-sm);
  overflow: hidden;
  height: 50px;
}

.kp-toggle {
  flex: 1;
  background: none;
  border: none;
  color: var(--kp-text-2);
  font-family: var(--kp-font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .18s;
  padding: 0 16px;
}

.kp-toggle.active {
  background: var(--kp-accent);
  color: #000;
  font-weight: 700;
}

/* ===== RADIO ===== */
.kp-radio-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.kp-radio-group--col {
  flex-direction: column;
  gap: 8px;
}

.kp-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--kp-text-2);
  transition: color .15s;
  line-height: 1.4;
}

.kp-radio:hover { color: var(--kp-text); }

.kp-radio input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--kp-accent);
  flex-shrink: 0;
  cursor: pointer;
}

.kp-hint {
  font-size: 11px;
  color: var(--kp-text-3);
  margin-top: -2px;
}

/* ===== DETAILS/SUMMARY ===== */
.kp-details {
  background: var(--kp-surface2);
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius-sm);
  margin-top: 4px;
}

.kp-details-summary {
  padding: 12px 16px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--kp-text-2);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  transition: color .15s;
}

.kp-details-summary:hover { color: var(--kp-text); }

.kp-details-summary::after {
  content: '﹢';
  font-size: 16px;
  color: var(--kp-text-3);
}

.kp-details[open] .kp-details-summary::after { content: '—'; }

.kp-details-body {
  padding: 16px;
  border-top: 1px solid var(--kp-border);
}

/* ===== CALC BUTTON ===== */
.kp-actions {
  margin-top: 24px;
  display: flex;
  justify-content: center;
}

.kp-btn-calc {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--kp-accent);
  color: #000;
  border: none;
  border-radius: 100px;
  font-family: var(--kp-font-head);
  font-size: 16px;
  font-weight: 700;
  padding: 15px 40px;
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 4px 24px rgba(74,222,128,.25);
  letter-spacing: -.01em;
}

.kp-btn-calc:hover {
  background: #6bec96;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(74,222,128,.35);
}

.kp-btn-calc:active { transform: translateY(0); }

/* ===== RESULTS ===== */
.kp-results {
  background: var(--kp-surface);
  border-top: 2px solid var(--kp-accent);
  animation: kp-slidein .3s ease;
}

@keyframes kp-slidein {
  from { opacity:0; transform: translateY(12px); }
  to   { opacity:1; transform: translateY(0); }
}

.kp-results-header {
  font-family: var(--kp-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--kp-accent);
  padding: 20px 24px 0;
}

/* KEY NUMBERS */
.kp-key-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin: 16px 24px;
  background: var(--kp-border);
  border-radius: var(--kp-radius);
  overflow: hidden;
  border: 1px solid var(--kp-border);
}

.kp-key-card {
  background: var(--kp-surface2);
  padding: 20px 16px;
  text-align: center;
}

.kp-key-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--kp-text-3);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.kp-key-value {
  font-family: var(--kp-font-head);
  font-size: clamp(18px, 3vw, 26px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 4px;
}

.kp-key-sub {
  font-size: 11px;
  color: var(--kp-text-3);
}

.kp-key-brutto .kp-key-value { color: var(--kp-blue); }
.kp-key-netto .kp-key-value { color: var(--kp-accent); }
.kp-key-koszt .kp-key-value { color: var(--kp-yellow); }

/* BREAKDOWN */
.kp-breakdown {
  margin: 0 24px 16px;
  background: var(--kp-surface2);
  border: 1px solid var(--kp-border);
  border-radius: var(--kp-radius);
  overflow: hidden;
}

.kp-breakdown-title {
  font-family: var(--kp-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  padding: 14px 18px;
  border-bottom: 1px solid var(--kp-border);
}

.kp-breakdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.kp-breakdown-col {
  padding: 16px;
}

.kp-breakdown-col:first-child {
  border-right: 1px solid var(--kp-border);
}

.kp-breakdown-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin-bottom: 12px;
}

.kp-brow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid rgba(37,42,56,.7);
  font-size: 13px;
  gap: 8px;
}

.kp-brow:last-child { border-bottom: none; }

.kp-brow-label { color: var(--kp-text-2); flex: 1; }

.kp-brow-val {
  font-family: var(--kp-font-head);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

.kp-brow-val--neg { color: var(--kp-red); }
.kp-brow-val--pos { color: var(--kp-accent); }
.kp-brow-val--neutral { color: var(--kp-text); }
.kp-brow-val--em { color: var(--kp-yellow); font-size: 15px; }

.kp-brow--total {
  padding-top: 10px;
  margin-top: 4px;
  border-top: 1px solid var(--kp-border);
  border-bottom: none;
  font-weight: 700;
}

.kp-brow--total .kp-brow-label { color: var(--kp-text); font-weight: 700; }

/* ANNUAL */
.kp-annual {
  margin: 0 24px 16px;
  background: linear-gradient(135deg, rgba(74,222,128,.05), rgba(96,165,250,.05));
  border: 1px solid rgba(74,222,128,.15);
  border-radius: var(--kp-radius);
  padding: 20px;
}

.kp-annual-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--kp-text-3);
  margin-bottom: 14px;
}

.kp-annual-grid {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
}

.kp-annual-item {
  flex: 1 1 160px;
  padding: 10px 14px;
  border-right: 1px solid rgba(255,255,255,.05);
}

.kp-annual-item:last-child { border-right: none; }

.kp-annual-item span {
  display: block;
  font-size: 12px;
  color: var(--kp-text-2);
  margin-bottom: 4px;
}

.kp-annual-item strong {
  font-family: var(--kp-font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--kp-text);
}

.kp-annual-item--accent strong { color: var(--kp-yellow); }

/* INFO BAR */
.kp-infobar {
  margin: 0 24px 20px;
  padding: 12px 16px;
  border-radius: var(--kp-radius-sm);
  font-size: 12.5px;
  color: var(--kp-text-2);
  line-height: 1.5;
  background: rgba(251,191,36,.05);
  border: 1px solid rgba(251,191,36,.2);
  min-height: 0;
}

.kp-infobar:empty { display: none; }

/* FOOTER */
.kp-footer {
  text-align: center;
  padding: 16px 24px;
  font-size: 11.5px;
  color: var(--kp-text-3);
  border-top: 1px solid var(--kp-border);
  background: var(--kp-surface);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  .kp-header { padding: 28px 18px 24px; }
  .kp-quick, .kp-form-card { padding: 16px 14px; }
  .kp-contract-tabs { padding: 10px 14px 0; overflow-x: auto; }
  .kp-key-numbers { grid-template-columns: 1fr; margin: 12px 14px; }
  .kp-key-card { padding: 14px; }
  .kp-breakdown { margin: 0 14px 14px; }
  .kp-breakdown-grid { grid-template-columns: 1fr; }
  .kp-breakdown-col:first-child { border-right: none; border-bottom: 1px solid var(--kp-border); }
  .kp-annual { margin: 0 14px 14px; }
  .kp-annual-grid { flex-direction: column; }
  .kp-annual-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.04); }
  .kp-infobar { margin: 0 14px 14px; }
  .kp-row { gap: 12px; }
  .kp-field { flex: 1 1 100%; }
  .kp-results-header { padding: 16px 14px 0; }
}