@import url("https://fonts.googleapis.com/css2?family=Literata:wght@400;600;700&family=Space+Grotesk:wght@400;600;700&display=swap");

:root {
  color-scheme: light;
  --bg: #f7f1e6;
  --bg-deep: #efe6d6;
  --ink: #1b1b1b;
  --muted: #5c5c5c;
  --accent: #0f5f5a;
  --accent-soft: #d6f0ea;
  --card: #ffffff;
  --border: #ded3c3;
  --shadow: 0 14px 35px rgba(24, 20, 13, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Literata", "Georgia", serif;
  color: var(--ink);
  background: var(--bg);
}

.background {
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 70vh;
  background:
    radial-gradient(60% 60% at 20% 20%, rgba(15, 95, 90, 0.25), transparent 60%),
    radial-gradient(50% 50% at 80% 10%, rgba(201, 126, 75, 0.22), transparent 65%),
    radial-gradient(80% 60% at 50% 80%, rgba(231, 213, 186, 0.8), transparent 70%);
  z-index: -1;
}

.hero {
  padding: 48px 20px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 12px;
}

h1 {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0 0 12px;
}

.subtitle {
  color: var(--muted);
  max-width: 720px;
  margin: 0;
  font-size: 1rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.controls {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.field {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--muted);
}

.field input,
.field select {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  background: #fffaf3;
  color: var(--ink);
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(15, 95, 90, 0.35);
  border-color: var(--accent);
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: flex-end;
}

#clearFilters {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  padding: 12px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#clearFilters:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(15, 95, 90, 0.2);
}

.result-count {
  font-size: 0.9rem;
  color: var(--muted);
}

.active-tags {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(15, 95, 90, 0.2);
}

.tag-chip button {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: 0.9rem;
}

.results {
  margin-top: 32px;
  display: grid;
  gap: 24px;
}

.conference-group {
  display: grid;
  gap: 16px;
}

.conference-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conference-header h2 {
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  margin: 0;
}

.conference-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.qa-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0;
  overflow: hidden;
}

.qa-card summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px 14px;
  display: grid;
  gap: 12px;
}

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

.qa-card summary::after {
  content: "Rozwiń";
  justify-self: start;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.qa-card[open] summary::after {
  content: "Zwiń";
}

.qa-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 0.85rem;
  color: var(--muted);
}

.qa-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.qa-question {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-button {
  border: 1px solid rgba(15, 95, 90, 0.2);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  cursor: pointer;
}

.qa-answer {
  border-top: 1px solid var(--border);
  padding: 18px 20px 22px;
  background: #fffdf9;
  line-height: 1.6;
}

.qa-answer p {
  margin: 0;
}

.qa-answer .no-answer {
  color: var(--muted);
  font-style: italic;
}

.empty-state {
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: var(--muted);
}

.noscript {
  max-width: 960px;
  margin: 20px auto;
  padding: 0 20px;
  color: var(--muted);
}

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

  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .qa-card summary {
    padding: 16px;
  }

  .qa-answer {
    padding: 16px;
  }
}