/* Effinigo Calculator – Base Styles */

:root {
  --effinigo-primary: #05a49e;
  --effinigo-primary-hover: #048a85;
  --effinigo-on-primary: #ffffff;
  --effinigo-surface: #e8fdff;
  --effinigo-surface-dim: #c5dfe1;
  --effinigo-surface-container-low: #def9fb;
  --effinigo-surface-container-lowest: #ffffff;
  --effinigo-text: #1f2937;
  --effinigo-text-secondary: #4b5563;
  --effinigo-success: #05a49e;
  --effinigo-error: #dc2626;
  --effinigo-radius: 8px;
  --effinigo-border: #c5dfe1;
  --effinigo-font: 'Montserrat', sans-serif;
}

/* ─── Reset & Wrapper ───────────────────────────────────────────────── */

.effinigo-calc-wrapper {
  font-family: var(--effinigo-font);
  color: var(--effinigo-text);
  background: var(--effinigo-surface);
  border-radius: var(--effinigo-radius);
  padding: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  line-height: 1.5;
  font-size: 15px;
}

.effinigo-calc-wrapper *,
.effinigo-calc-wrapper *::before,
.effinigo-calc-wrapper *::after {
  box-sizing: border-box;
}

/* ─── Layout: Mobile-first, 2-column ab 768px ──────────────────────── */

.effinigo-calc-input,
.effinigo-calc-results {
  width: 100%;
}

@media (min-width: 768px) {
  .effinigo-calc-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
  }
}

/* ─── Sections ──────────────────────────────────────────────────────── */

.effinigo-calc-section {
  margin-bottom: 1.5rem;
}

.effinigo-calc-section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 1rem 0;
  color: var(--effinigo-text);
}

/* ─── Mode Switch ───────────────────────────────────────────────────── */

.effinigo-calc-mode-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  padding: 4px;
  background: var(--effinigo-surface-container-low);
  border-radius: var(--effinigo-radius);
}

.effinigo-calc-mode-btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: calc(var(--effinigo-radius) - 2px);
  background: transparent;
  color: var(--effinigo-text-secondary);
  font-family: var(--effinigo-font);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.effinigo-calc-mode-btn:hover {
  background: var(--effinigo-surface-dim);
}

.effinigo-calc-mode-btn.active {
  background: var(--effinigo-primary);
  color: var(--effinigo-on-primary);
}

/* ─── Section Visibility Transitions ────────────────────────────────── */

.effinigo-calc-section-lighting,
.effinigo-calc-section-heating {
  transition: opacity 0.3s ease, max-height 0.3s ease;
}

/* ─── Fields ────────────────────────────────────────────────────────── */

.effinigo-calc-field {
  margin-bottom: 1rem;
}

.effinigo-calc-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--effinigo-text-secondary);
  margin-bottom: 0.35rem;
}

.effinigo-calc-field select,
.effinigo-calc-field input[type="number"] {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  background: var(--effinigo-surface-container-lowest);
  font-family: var(--effinigo-font);
  font-size: 0.9rem;
  color: var(--effinigo-text);
  transition: border-color 0.2s;
}

.effinigo-calc-field select:focus,
.effinigo-calc-field input[type="number"]:focus {
  outline: none;
  border-color: var(--effinigo-primary);
}

.effinigo-calc-field output {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--effinigo-primary);
  margin-left: 0.5rem;
  min-width: 3rem;
}

/* ─── Slider ────────────────────────────────────────────────────────── */

.effinigo-calc-field input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--effinigo-surface-dim);
  outline: none;
  cursor: pointer;
  margin-top: 0.25rem;
}

.effinigo-calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--effinigo-primary);
  border: 3px solid var(--effinigo-on-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: transform 0.15s;
}

.effinigo-calc-field input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.effinigo-calc-field input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--effinigo-primary);
  border: 3px solid var(--effinigo-on-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  cursor: pointer;
}

/* Lamp group: range + number side by side */
.effinigo-calc-lamp-group .effinigo-calc-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.effinigo-calc-lamp-group .effinigo-calc-field label {
  width: 100%;
}

.effinigo-calc-lamp-group .effinigo-calc-field input[type="range"] {
  flex: 1;
  min-width: 0;
}

.effinigo-calc-lamp-group .effinigo-calc-field input[type="number"] {
  width: 5rem;
  flex: none;
}

/* ─── Lamp Groups ───────────────────────────────────────────────────── */

.effinigo-calc-lamp-group {
  background: var(--effinigo-surface-container-lowest);
  border: 1px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
  position: relative;
}

/* ─── Lamp Group Steps (Picker · Lampentyp · Bestückung · Anzahl) ──── */

.effinigo-calc-lamp-group-step {
  margin-bottom: 1rem;
}

.effinigo-calc-lamp-group-step:last-of-type {
  margin-bottom: 0.5rem;
}

.effinigo-calc-step-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--effinigo-text-secondary);
  margin-bottom: 0.4rem;
}

.effinigo-calc-lamp-group .effinigo-calc-lamp-type {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  background: var(--effinigo-surface-container-lowest);
  font-family: var(--effinigo-font);
  font-size: 0.9rem;
  color: var(--effinigo-text);
  transition: border-color 0.2s;
}

.effinigo-calc-lamp-group .effinigo-calc-lamp-type:focus {
  outline: none;
  border-color: var(--effinigo-primary);
}

/* ─── Fixture Picker (Leuchten-Auswahl mit Piktogrammen) ───────────── */

.effinigo-calc-fixture-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

@media (max-width: 520px) {
  .effinigo-calc-fixture-picker {
    grid-template-columns: repeat(2, 1fr);
  }
}

.effinigo-calc-fixture-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 0.4rem;
  background: var(--effinigo-surface-container-lowest);
  border: 2px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  color: var(--effinigo-text-secondary);
  font-family: var(--effinigo-font);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.15;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease, transform 0.15s ease;
  min-height: 88px;
}

.effinigo-calc-fixture-card:hover {
  border-color: var(--effinigo-primary);
  color: var(--effinigo-text);
  transform: translateY(-1px);
}

.effinigo-calc-fixture-card.active {
  background: var(--effinigo-primary);
  border-color: var(--effinigo-primary);
  color: var(--effinigo-on-primary);
}

.effinigo-calc-fixture-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: currentColor;
}

.effinigo-calc-fixture-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.effinigo-calc-fixture-label {
  display: block;
  font-size: 0.7rem;
}

/* ─── Bestückung-Pills ─────────────────────────────────────────────── */

.effinigo-calc-install-pills {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.effinigo-calc-install-pill {
  font-family: var(--effinigo-font);
  font-size: 0.85rem;
  font-weight: 700;
  min-width: 2.25rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--effinigo-border);
  background: var(--effinigo-surface-container-lowest);
  color: var(--effinigo-text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.effinigo-calc-install-pill:hover {
  border-color: var(--effinigo-primary);
  color: var(--effinigo-primary);
}

.effinigo-calc-install-pill.active {
  background: var(--effinigo-primary);
  color: var(--effinigo-on-primary);
  border-color: var(--effinigo-primary);
}

.effinigo-calc-install-pill.active:hover {
  background: var(--effinigo-primary-hover);
  color: var(--effinigo-on-primary);
}

/* ─── Anzahl Leuchten Row (Slider + Number) ────────────────────────── */

.effinigo-calc-count-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.effinigo-calc-count-row input[type="range"] {
  flex: 1;
  min-width: 0;
}

.effinigo-calc-count-row input[type="number"] {
  width: 5rem;
  flex: none;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  background: var(--effinigo-surface-container-lowest);
  font-family: var(--effinigo-font);
  font-size: 0.9rem;
  color: var(--effinigo-text);
}

.effinigo-calc-count-row input[type="number"]:focus {
  outline: none;
  border-color: var(--effinigo-primary);
}

/* ─── Live-Hinweis "Macht X Leuchtmittel insgesamt" ────────────────── */

.effinigo-calc-install-hint {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
  color: var(--effinigo-text-secondary);
  font-style: italic;
}

.effinigo-calc-install-hint strong {
  color: var(--effinigo-primary);
  font-style: normal;
}

/* ─── Manuelle Watt-Eingabe ('Anderer Typ') ────────────────────── */

.effinigo-calc-manual-watt-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.effinigo-calc-manual-watt-input {
  width: 7rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  background: var(--effinigo-surface-container-lowest);
  font-family: var(--effinigo-font);
  font-size: 0.9rem;
  color: var(--effinigo-text);
}

.effinigo-calc-manual-watt-input:focus {
  outline: none;
  border-color: var(--effinigo-primary);
}

.effinigo-calc-manual-watt-unit {
  font-size: 0.9rem;
  color: var(--effinigo-text-secondary);
}

/* ─── Buttons ───────────────────────────────────────────────────────── */

.effinigo-calc-btn {
  font-family: var(--effinigo-font);
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  border-radius: var(--effinigo-radius);
  cursor: pointer;
  padding: 0.5rem 1rem;
  transition: background 0.2s, transform 0.1s;
}

.effinigo-calc-btn:active {
  transform: scale(0.97);
}

.effinigo-calc-btn-add {
  background: transparent;
  color: var(--effinigo-primary);
  border: 1px dashed var(--effinigo-primary);
  width: 100%;
  padding: 0.6rem;
}

.effinigo-calc-btn-add:hover {
  background: var(--effinigo-surface-container-low);
}

.effinigo-calc-btn-remove {
  background: transparent;
  color: var(--effinigo-error);
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
}

.effinigo-calc-btn-remove:hover {
  background: rgba(220, 38, 38, 0.08);
}

/* ─── Heating Toggle ────────────────────────────────────────────────── */

.effinigo-calc-toggle label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.effinigo-calc-toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--effinigo-primary);
  cursor: pointer;
}

.effinigo-calc-heating-content {
  overflow: hidden;
  transition: max-height 0.3s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  margin-top: 1rem;
}

.effinigo-calc-heating-content[hidden] {
  display: block;
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

.effinigo-calc-heating-content:not([hidden]) {
  max-height: 500px;
  opacity: 1;
  pointer-events: auto;
}

/* ─── Pills ─────────────────────────────────────────────────────────── */

.effinigo-calc-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.effinigo-calc-pill {
  font-family: var(--effinigo-font);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1px solid var(--effinigo-border);
  background: var(--effinigo-surface-container-lowest);
  color: var(--effinigo-text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.effinigo-calc-pill:hover {
  border-color: var(--effinigo-primary);
  color: var(--effinigo-primary);
}

.effinigo-calc-pill-active {
  background: var(--effinigo-primary);
  color: var(--effinigo-on-primary);
  border-color: var(--effinigo-primary);
}

.effinigo-calc-pill-active:hover {
  background: var(--effinigo-primary-hover);
  color: var(--effinigo-on-primary);
}

/* ─── Results ───────────────────────────────────────────────────────── */

.effinigo-calc-results {
  background: var(--effinigo-surface-container-low);
  border-radius: var(--effinigo-radius);
  padding: 1.5rem;
  position: sticky;
  top: 2rem;
}

.effinigo-calc-results-placeholder {
  text-align: center;
  color: var(--effinigo-text-secondary);
  padding: 2rem 1rem;
}

.effinigo-calc-result-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.effinigo-calc-result-card {
  background: var(--effinigo-surface-container-lowest);
  border-radius: var(--effinigo-radius);
  padding: 1.25rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.effinigo-calc-result-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--effinigo-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.effinigo-calc-result-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--effinigo-success);
  line-height: 1.2;
}

.effinigo-calc-result-unit {
  font-size: 0.8rem;
  color: var(--effinigo-text-secondary);
}

/* ─── Breakdown Cards ───────────────────────────────────────────────── */

.effinigo-calc-result-breakdown {
  margin-bottom: 1.5rem;
}

.effinigo-calc-breakdown-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.7rem 0.85rem;
  background: var(--effinigo-surface-container-lowest);
  border-radius: var(--effinigo-radius);
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
}

.effinigo-calc-breakdown-card strong {
  font-weight: 700;
  color: var(--effinigo-text);
  display: block;
  line-height: 1.3;
}

.effinigo-calc-breakdown-meta {
  display: block;
  font-size: 0.72rem;
  color: var(--effinigo-text-secondary);
  margin-top: 0.15rem;
  line-height: 1.3;
}

.effinigo-calc-breakdown-values {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
  white-space: nowrap;
}

.effinigo-calc-breakdown-values span {
  color: var(--effinigo-text-secondary);
  font-weight: 600;
}

.effinigo-calc-breakdown-values span:last-child {
  color: var(--effinigo-primary);
  font-weight: 700;
}

/* ─── CTA Button ────────────────────────────────────────────────────── */

.effinigo-calc-cta {
  display: block;
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: var(--effinigo-primary);
  color: var(--effinigo-on-primary);
  text-align: center;
  text-decoration: none;
  font-family: var(--effinigo-font);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--effinigo-radius);
  transition: background 0.2s, transform 0.1s;
}

.effinigo-calc-cta:hover {
  background: var(--effinigo-primary-hover);
  color: var(--effinigo-on-primary);
  text-decoration: none;
}

.effinigo-calc-cta:active {
  transform: scale(0.98);
}

/* ─── Loading State ─────────────────────────────────────────────────── */

.effinigo-calc-loading {
  padding: 3rem 1rem;
  text-align: center;
}

.effinigo-calc-pulse {
  width: 100%;
  height: 120px;
  background: linear-gradient(90deg,
    var(--effinigo-surface-dim) 25%,
    var(--effinigo-surface-container-lowest) 50%,
    var(--effinigo-surface-dim) 75%
  );
  background-size: 200% 100%;
  border-radius: var(--effinigo-radius);
  animation: effinigo-pulse 1.5s ease-in-out infinite;
}

@keyframes effinigo-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ─── Error State ───────────────────────────────────────────────────── */

.effinigo-calc-error {
  padding: 1rem;
  text-align: center;
  color: var(--effinigo-text-secondary);
  font-size: 0.9rem;
}

.effinigo-calc-error p {
  margin: 0;
}

/* ─── Info Hinweis ──────────────────────────────────────────────────── */

.effinigo-calc-info {
  margin-top: 1.5rem;
  position: relative;
  text-align: center;
}

.effinigo-calc-info-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--effinigo-text-secondary);
  text-decoration: underline;
  padding: 0;
  font-family: var(--effinigo-font);
}

.effinigo-calc-info-toggle:hover,
.effinigo-calc-info-toggle:focus,
.effinigo-calc-info-toggle:active {
  background: none;
  color: var(--effinigo-primary);
  outline: none;
  box-shadow: none;
}

.effinigo-calc-info-popover {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--effinigo-surface-container-lowest);
  border: 1px solid var(--effinigo-border);
  border-radius: var(--effinigo-radius);
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--effinigo-text-secondary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  width: max-content;
  max-width: 320px;
  z-index: 10;
}

.effinigo-calc-info-popover p {
  margin: 0;
}

/* ─── Responsive fine-tuning ────────────────────────────────────────── */

@media (max-width: 767px) {
  .effinigo-calc-wrapper {
    padding: 1.25rem;
  }

  .effinigo-calc-results {
    position: static;
    margin-top: 1.5rem;
  }

  .effinigo-calc-result-main {
    grid-template-columns: 1fr;
  }

  .effinigo-calc-breakdown-card {
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
  }

  .effinigo-calc-mode-switch {
    flex-direction: column;
    gap: 4px;
  }

  .effinigo-calc-mode-btn {
    padding: 8px 12px;
    font-size: 13px;
  }
}