:root {
  --sd-accent: #e50000;
  --sd-accent-hover: #808080;
  --sd-text: #d4d4d4;
  --sd-white: #ffffff;
  --sd-line: #4d4d4d;
  --sd-bg: #191919;
  --sd-box: #212121;
  --sd-radius: 5px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--sd-bg);
  color: var(--sd-text);
  font: 15px/1.7 Mulish, Arial, sans-serif;
}

.sd-lexicon,
.sd-lexicon *,
.sd-lexicon *::before,
.sd-lexicon *::after {
  box-sizing: border-box;
}

.sd-lexicon a {
  color: var(--sd-accent);
  text-decoration: underline;
  font-weight: 700;
}

.sd-lexicon a:hover {
  color: var(--sd-accent-hover);
}

.sd-lexicon img {
  display: block;
  max-width: 100%;
  height: auto;
}

.sd-lexicon {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 26px 18px 40px;
}

.sd-card,
.sd-term-card,
.sd-letter-card {
  background: var(--sd-box);
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  padding: 26px 28px;
}

.sd-breadcrumb {
  margin: 0 0 18px;
  font-size: 13px;
  opacity: 0.88;
}

.sd-page-head {
  margin-bottom: 20px;
}

.sd-page-head h1 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.15;
  color: var(--sd-white);
}

.sd-page-head p {
  margin: 0;
  max-width: 980px;
}

.sd-hero,
.sd-panel,
.sd-term-layout {
  margin: 0 0 20px;
}

.sd-hero h2,
.sd-panel h2,
.sd-term-card h2,
.sd-letter-card h2,
.sd-card h2 {
  margin: 0 0 14px;
  font-size: 24px;
  line-height: 1.2;
  color: var(--sd-white);
}

.sd-intro {
  margin: 0;
  max-width: 1320px;
}

.sd-home-title {
  margin: 0 0 18px 0;
  padding-bottom: 8px;
  color: var(--sd-white);
  font-size: 26px;
  line-height: 1.2;
  border-bottom: 1px solid #444;
}

/* nagłówek graficzny */
.sd-hero-card {
  overflow: hidden;
}

.sd-hero-banner {
  margin: 0 0 20px;
  background: transparent;
}

.sd-hero-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 5px;
}

/* wyszukiwarka */
.sd-search-wrap {
  margin-top: 24px;
}

.sd-search-label {
  display: block;
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--sd-accent);
}

.sd-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.sd-search-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sd-search {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--sd-text);
  font-size: 15px;
  outline: none;
}

.sd-search::placeholder {
  color: rgba(212, 212, 212, 0.7);
}

.sd-search:focus {
  border-color: var(--sd-accent);
  box-shadow: 0 0 0 3px rgba(229, 0, 0, 0.1);
}

.sd-search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--sd-accent);
  border-radius: var(--sd-radius);
  background: var(--sd-accent);
  color: var(--sd-white);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sd-search-btn:hover {
  background: var(--sd-accent-hover);
  border-color: var(--sd-accent-hover);
  color: var(--sd-white);
}

.sd-search-clear-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--sd-text);
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.sd-search-clear-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--sd-accent-hover);
  color: var(--sd-white);
}

/* alfabet / linki / przyciski */
.sd-alphabet,
.sd-topic-tags,
.sd-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sd-letter-btn,
.sd-topic-tag,
.sd-related a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(255, 255, 255, 0.04);
  color: var(--sd-text);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* ważne: nadpisanie globalnych stylów linków dla anchorów stylowanych jak buttony */
.sd-lexicon a.sd-letter-btn,
.sd-lexicon a.sd-topic-tag,
.sd-lexicon .sd-related a {
  color: var(--sd-text);
  text-decoration: none;
}

.sd-lexicon a.sd-letter-btn:hover,
.sd-lexicon a.sd-topic-tag:hover,
.sd-lexicon .sd-related a:hover,
.sd-lexicon a.sd-letter-btn.active {
  color: var(--sd-white);
  text-decoration: none;
}

.sd-letter-btn:hover,
.sd-topic-tag:hover,
.sd-related a:hover,
.sd-letter-btn.active {
  background: rgba(229, 0, 0, 0.12);
  border-color: var(--sd-accent);
  color: var(--sd-white);
  text-decoration: none;
}

/* status i wyniki na stronie głównej */
.sd-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 14px;
}

.sd-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.sd-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  padding: 20px;
  min-height: 100%;
}

.sd-item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
}

.sd-item h3 {
  margin: 0;
  color: var(--sd-accent);
  font-size: 19px;
  line-height: 1.2;
}

.sd-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(229, 0, 0, 0.12);
  border: 1px solid rgba(229, 0, 0, 0.2);
  color: var(--sd-white);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.sd-item p {
  margin: 0 0 12px;
}

.sd-empty {
  display: none;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px dashed var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(255, 255, 255, 0.03);
}

/* blok SEO */
.sd-footer-note {
  margin-top: 10px;
  font-size: 13px;
  opacity: 0.88;
}

.sd-panel:last-of-type .sd-card p:last-child {
  margin-bottom: 0;
}

/* strona litery */
.sd-letter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.sd-letter-list li {
  margin: 0;
  padding: 0;
  display: block;
}

.sd-letter-list a {
  display: flex;
  align-items: flex-start;
  width: 100%;
  min-height: 64px;
  padding: 14px 16px;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(255, 255, 255, 0.03);
  color: var(--sd-white);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.4;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.sd-letter-list a:hover {
  color: var(--sd-accent);
  border-color: var(--sd-accent);
  background: rgba(229, 0, 0, 0.06);
  text-decoration: none;
  transform: translateY(-1px);
}

.sd-note {
  margin-top: 18px;
  padding-left: 14px;
  border-left: 3px solid var(--sd-accent);
}

.sd-letter-section-title {
  margin: 0 0 18px 0 !important;
  padding-bottom: 8px;
  border-bottom: 1px solid #444;
}

/* strona hasła */
.sd-term-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

.sd-term-main,
.sd-term-side {
  display: grid;
  gap: 20px;
}

.sd-definition {
  margin: 0 0 18px;
  padding: 18px;
  border: 1px solid rgba(229, 0, 0, 0.55);
  border-radius: var(--sd-radius);
  background: transparent;
}

.sd-definition strong {
  display: block;
  margin-bottom: 6px;
  color: var(--sd-white);
}

.sd-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sd-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 12px;
  border: 1px solid var(--sd-line);
  border-radius: var(--sd-radius);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 700;
}

.sd-term-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  max-width: 320px;
}

.sd-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 40px;
  padding: 9px 16px;
  border: 1px solid var(--sd-accent);
  border-radius: var(--sd-radius);
  background: var(--sd-accent);
  color: var(--sd-white);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

/* ważne: nadpisanie globalnego stylu linku */
.sd-lexicon a.sd-action-btn {
  color: var(--sd-white);
  text-decoration: none;
}

.sd-lexicon a.sd-action-btn:hover {
  color: var(--sd-white);
  text-decoration: none;
}

.sd-action-btn:hover {
  background: var(--sd-accent-hover);
  border-color: var(--sd-accent-hover);
  color: var(--sd-white);
  text-decoration: none;
}

/* responsive */
@media (max-width: 980px) {
  .sd-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sd-term-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .sd-letter-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .sd-lexicon {
    padding: 18px 12px 28px;
  }

  .sd-card,
  .sd-term-card,
  .sd-letter-card {
    padding: 22px 20px;
  }

  .sd-hero-banner {
    margin: -22px -20px 18px;
  }

  .sd-grid {
    grid-template-columns: 1fr;
  }

  .sd-status {
    flex-direction: column;
    align-items: flex-start;
  }

  .sd-page-head h1 {
    font-size: 28px;
  }

  .sd-search-row {
    grid-template-columns: 1fr;
  }

  .sd-search-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
  }

  .sd-search-btn,
  .sd-search-clear-btn {
    width: 100%;
  }
}