* {
  box-sizing: border-box;
}

:root {
  --color-primary: #da291c;
  --color-bg: #ffffff;
  --color-bg-soft: #f6f6f6;
  --color-text: #333333;
  --color-text-muted: #6b6b6b;
  --color-border: #e2e2e2;

  --color-low-bg: #e9f6ea;
  --color-low-border: #4caf50;
  --color-low-text: #2e7d32;

  --color-mid-bg: #fff6df;
  --color-mid-border: #f2b705;
  --color-mid-text: #8a6100;

  --color-high-bg: #fdeceb;
  --color-high-border: var(--color-primary);
  --color-high-text: var(--color-primary);

  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Mulish", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
  background: transparent;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
}

#widget-root {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 32px;
  background: var(--color-bg);
}

/*
 * Na mobitelu iframe dobiva fiksnu visinu od stranice koja ga embedda (vidi README),
 * a widget sam interno skrola — samo tako "sticky" summary banner ispod stvarno
 * ostaje zalijepljen za vrh dok korisnik skrola kroz pitanja. Auto-visina (desktop)
 * ne omogućuje pravi sticky jer iframe tada nema vlastiti scroll.
 */
@media (max-width: 720px) {
  html,
  body {
    height: 100%;
  }

  #widget-root {
    height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0 20px 32px;
  }
}

/* Mobile summary banner */

.mobile-summary-banner {
  display: none;
}

@media (max-width: 720px) {
  .mobile-summary-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--color-bg);
    margin: 0 -20px;
    padding: 14px 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  }

  .mobile-summary-dot {
    flex-shrink: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-low-border);
  }

  .mobile-summary-banner[data-level="mid"] .mobile-summary-dot {
    background: var(--color-mid-border);
  }

  .mobile-summary-banner[data-level="high"] .mobile-summary-dot {
    background: var(--color-high-border);
  }

  .mobile-summary-lead {
    flex: 1;
    font-weight: 700;
    font-size: 13.5px;
    line-height: 1.3;
    color: var(--color-text);
  }

  .mobile-summary-score {
    flex-shrink: 0;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 22px;
    color: var(--color-low-text);
  }

  .mobile-summary-banner[data-level="mid"] .mobile-summary-score {
    color: var(--color-mid-text);
  }

  .mobile-summary-banner[data-level="high"] .mobile-summary-score {
    color: var(--color-high-text);
  }
}

/* Header */

.widget-header {
  text-align: center;
  margin-bottom: 24px;
}

@media (max-width: 720px) {
  .widget-header {
    margin-top: 20px;
  }
}

.widget-header h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 28px;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.subtitle {
  font-style: italic;
  color: var(--color-text);
  margin: 0 0 6px;
  font-size: 15px;
}

.instructions {
  color: var(--color-text-muted);
  font-size: 13px;
  margin: 0;
}

/* Layout */

.calculator-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 720px) {
  .calculator-layout {
    grid-template-columns: 1fr;
  }
}

/* Factor rows */

.factor-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.factor-row {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-left: 4px solid transparent;
  border-radius: 8px;
  padding: 12px 14px;
  transition: border-left-color 0.15s ease, background 0.15s ease;
}

.factor-row.is-active {
  border-left-color: var(--color-primary);
  background: #fdf1f0;
}

.factor-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.factor-label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border-radius: 14px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  font-family: var(--font-heading);
  white-space: nowrap;
}

.factor-name {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.35;
}

.weight {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* Toggle group */

.toggle-group {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  background: #fff;
  flex-shrink: 0;
}

.toggle-option {
  position: relative;
  cursor: pointer;
}

.toggle-option input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: pointer;
}

.toggle-option span {
  display: block;
  padding: 6px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.toggle-option:not(:last-child) span {
  border-right: 1px solid var(--color-border);
}

.toggle-option input:checked + span {
  background: var(--color-primary);
  color: #fff;
}

.toggle-option input:focus-visible + span {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.toggle-group--triple .toggle-option span {
  padding: 6px 12px;
}

/* Details / vidi vise */

.factor-details {
  margin-top: 8px;
}

.factor-details summary {
  cursor: pointer;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--color-primary);
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.factor-details summary::-webkit-details-marker {
  display: none;
}

.factor-details summary::before {
  content: "+";
  display: inline-block;
  font-size: 14px;
  width: 14px;
}

.factor-details[open] summary::before {
  content: "−";
}

.factor-details p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text);
}

.footnote {
  font-size: 11.5px;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 4px 0 0;
}

/* Result panel */

.result-panel {
  position: relative;
}

.result-sticky {
  position: sticky;
  top: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 18px;
}

@media (max-width: 720px) {
  .result-sticky {
    position: static;
  }
}

.result-total-label {
  font-size: 12.5px;
  color: var(--color-text-muted);
  font-weight: 600;
}

.result-total {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 6px;
}

.result-box {
  width: 100%;
  border-radius: 10px;
  border: 2px solid var(--color-low-border);
  background: var(--color-low-bg);
  padding: 14px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.result-box[data-level="mid"] {
  border-color: var(--color-mid-border);
  background: var(--color-mid-bg);
}

.result-box[data-level="high"] {
  border-color: var(--color-high-border);
  background: var(--color-high-bg);
}

.result-heading {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-low-text);
}

.result-box[data-level="mid"] .result-heading {
  color: var(--color-mid-text);
}

.result-box[data-level="high"] .result-heading {
  color: var(--color-high-text);
}

.result-lead {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text);
}

.result-detail {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--color-text);
}

.result-footnote {
  font-size: 11px;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin: 10px 0 0;
}

.action-buttons {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.reset-button {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 7px 18px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
}

.reset-button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.export-button {
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 20px;
  padding: 7px 18px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
}

.export-button:hover {
  background: #b82117;
  border-color: #b82117;
}

.export-button:disabled {
  opacity: 0.6;
  cursor: default;
}

/* Interpretation guide */

.interpretation-guide {
  width: 100%;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.interpretation-guide-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  color: var(--color-text);
}

.interpretation-item {
  border-left: 3px solid var(--color-low-border);
  border-radius: 4px;
  padding: 6px 0 6px 10px;
}

.interpretation-item[data-level="mid"] {
  border-left-color: var(--color-mid-border);
}

.interpretation-item[data-level="high"] {
  border-left-color: var(--color-high-border);
}

.interpretation-heading {
  margin: 0 0 2px;
  font-weight: 700;
  font-size: 12.5px;
  color: var(--color-low-text);
}

.interpretation-item[data-level="mid"] .interpretation-heading {
  color: var(--color-mid-text);
}

.interpretation-item[data-level="high"] .interpretation-heading {
  color: var(--color-high-text);
}

.interpretation-lead {
  margin: 0 0 2px;
  font-weight: 600;
  font-size: 12.5px;
  color: var(--color-text);
}

.interpretation-detail {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

/* Notice box */

.notice-box {
  margin-top: 28px;
  background: var(--color-bg-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 16px 18px;
}

.notice-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  margin: 0 0 8px;
  color: var(--color-text);
}

.notice-box p {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--color-text);
  margin: 0 0 8px;
}

.notice-box p:last-child {
  margin-bottom: 0;
}

/* Literature */

.literature {
  margin-top: 18px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.literature a {
  color: var(--color-primary);
}