@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,400;0,600;0,700;1,400&display=swap");

:root {
  --bg: #0c0f14;
  --surface: #151a22;
  --border: #2a3344;
  --text: #e8edf5;
  --muted: #8b98ad;
  --accent: #5eead4;
  --accent-dim: #2dd4bf33;
  --warn: #fbbf24;
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}

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

html,
body {
  margin: 0;
  height: 100%;
}

body {
  overflow: hidden;
  background: radial-gradient(1200px 600px at 10% -10%, #1a2332 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.55;
}

#root {
  height: 100dvh;
  max-height: 100dvh;
}

.layout {
  display: flex;
  align-items: stretch;
  height: 100%;
  max-height: 100dvh;
  margin: 0;
  padding: 0;
  max-width: none;
}

.layout.layout--presentation .toc {
  display: none;
}

.layout.layout--presentation .deck-scroll-inner {
  max-width: 60rem;
}

/* Lewy spis treści */
.toc {
  width: min(16.5rem, 36vw);
  flex-shrink: 0;
  max-height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 0.65rem;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 96%, var(--bg));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.toc-heading {
  margin: 0 0 0.35rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.toc-hint {
  margin: 0.75rem 0 0;
  font-size: 0.68rem;
  line-height: 1.35;
  color: var(--muted);
  opacity: 0.85;
}

.toc-item {
  display: block;
  width: 100%;
  text-align: left;
  margin: 0;
  padding: 0.5rem 0.55rem;
  font: inherit;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.toc-item:hover {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-color: var(--border);
}

.toc-item--active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--text);
  font-weight: 600;
}

.deck-main {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* Jedna plansza = pełna wysokość kolumny obok TOC */
.deck-screen {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top, 0) env(safe-area-inset-right, 0)
    env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
}

.deck-top {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(8px);
}

.deck-brand {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 42vw;
}

.deck-progress {
  font-size: 0.8rem;
  color: var(--muted);
  text-align: right;
  line-height: 1.3;
  flex: 1;
  min-width: 0;
}

.btn-presentation {
  white-space: nowrap;
}

.deck-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.deck-scroll-inner {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 1.5rem;
}

.deck-scroll-inner--narrow {
  max-width: 44rem;
}

.deck-nav {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.deck-nav-start,
.deck-nav-mid,
.deck-nav-end {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.deck-nav-mid {
  flex: 1;
  justify-content: center;
}

.deck-nav-end {
  justify-content: flex-end;
}

.hero {
  margin: 0;
  padding: 0;
  border: 0;
}

.hero--fullscreen .hero-kicker {
  margin-top: 0;
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.hero-title {
  font-size: clamp(1.65rem, 5vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.15;
}

.prose {
  color: var(--text);
}

.prose p {
  margin: 0.65rem 0;
  color: var(--muted);
}

.prose p:first-child {
  margin-top: 0;
}

.prose ul,
.prose ol {
  margin: 0.5rem 0 0.75rem;
  padding-left: 1.25rem;
  color: var(--muted);
}

.prose li {
  margin: 0.25rem 0;
}

.prose strong {
  color: var(--text);
}

.prose h1,
.prose h2,
.prose h3 {
  color: var(--text);
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
}

.prose h1 {
  font-size: 1.35rem;
}

.prose h2 {
  font-size: 1.15rem;
}

.prose h3 {
  font-size: 1rem;
}

.prose code {
  background: var(--surface);
  padding: 0.1em 0.35em;
  border-radius: 4px;
  font-size: 0.9em;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0 1rem;
  font-size: 0.88rem;
  line-height: 1.4;
  color: var(--muted);
}

.prose thead th {
  color: var(--text);
  font-weight: 600;
  text-align: left;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.6rem;
  vertical-align: top;
}

.prose tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}

/* Karty infrastruktury CF (slajd 02a) */
.prose .cf-infra-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1rem 0 1.25rem;
}

@media (max-width: 40rem) {
  .prose .cf-infra-grid {
    grid-template-columns: 1fr;
  }
}

.prose .cf-infra-card {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin: 0;
  padding: 1rem 1.05rem;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--surface) 92%, var(--accent) 4%),
    var(--surface)
  );
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--accent) 12%, transparent);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.prose .cf-infra-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 0 0 1px var(--accent-dim);
}

.prose .cf-infra-card--soft {
  background: var(--surface);
  box-shadow: none;
}

/* Karta „rozważam / testuję” — inna kolorystyka niż teal (slajd 02a) */
.prose .cf-infra-card--exploring {
  background: color-mix(in srgb, var(--surface) 90%, var(--warn) 8%);
  border-color: color-mix(in srgb, var(--warn) 38%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--warn) 14%, transparent);
}

.prose .cf-infra-card--exploring:hover {
  border-color: color-mix(in srgb, var(--warn) 58%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--warn) 22%, transparent);
}

.prose .cf-infra-card--exploring .cf-infra-card__icon {
  background: color-mix(in srgb, var(--warn) 20%, transparent);
  color: var(--warn);
}

.prose .cf-infra-card__badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.12rem 0.45rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: middle;
  color: color-mix(in srgb, var(--warn) 92%, var(--text));
  background: color-mix(in srgb, var(--warn) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--border));
  border-radius: 999px;
}

.prose .cf-infra-card__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  background: var(--accent-dim);
  color: var(--accent);
}

.prose .cf-infra-card__icon--sm {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
}

.prose .cf-icon {
  width: 1.45rem;
  height: 1.45rem;
}

.prose .cf-infra-card__icon--sm .cf-icon {
  width: 1.2rem;
  height: 1.2rem;
}

.prose .cf-infra-card__body {
  min-width: 0;
  flex: 1;
}

.prose .cf-infra-card__title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
}

.prose .cf-infra-card__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--muted);
}

.prose .cf-infra-card__text strong {
  color: var(--text);
}

.bio {
  margin-top: 1.75rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.bio-title {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
}

.step-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.step-head--fullscreen {
  margin-bottom: 1rem;
}

.step-index {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
}

.step-title {
  margin: 0;
  font-size: clamp(1rem, 2.8vw, 1.35rem);
  font-weight: 600;
  line-height: 1.25;
}

.slide-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}

.slide-label {
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--warn);
  background: #fbbf2418;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.slide-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.slide-body {
  min-height: 0;
}

/* Szablony slajdów z obrazem — stały rozmiar ramy, crop (object-fit: cover), bez rozciągania */
.slide-shell {
  --slide-media-w: 20rem;
  --slide-media-h: 17.5rem;
  --slide-header-h: 17.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-top: 0.35rem;
}

.slide-shell--split-left {
  flex-direction: row;
}

.slide-shell--split-right {
  flex-direction: row-reverse;
}

.slide-shell--header-image {
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
}

.slide-media {
  flex-shrink: 0;
  width: var(--slide-media-w);
  height: var(--slide-media-h);
  margin: 0;
  padding: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}

.slide-shell--header-image .slide-media {
  width: 100%;
  max-width: 100%;
  height: var(--slide-header-h);
}

.slide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.slide-shell--split-left .slide-body,
.slide-shell--split-right .slide-body {
  flex: 1;
  min-width: 0;
}

.slide-shell--header-image .slide-body {
  flex: none;
  width: 100%;
}

@media (max-width: 52rem) {
  .slide-shell--split-left,
  .slide-shell--split-right {
    flex-direction: column;
  }

  .slide-shell--split-right .slide-media {
    align-self: stretch;
  }

  .slide-shell--split-left .slide-media,
  .slide-shell--split-right .slide-media {
    width: 100%;
    max-width: 100%;
  }
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  border-color: var(--accent);
  color: var(--bg);
  background: var(--accent);
  font-weight: 600;
}

.btn-accent {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  color: var(--accent);
  background: var(--accent-dim);
  font-weight: 600;
}

.btn-accent:hover:not(:disabled) {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--border);
}

.slide-pos {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Krok 3: rules w blokach */
.prose .rules-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.prose .rule-card {
  margin: 0;
  padding: 0.85rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.prose .rule-card--full {
  grid-column: 1 / -1;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--surface) 92%, var(--accent) 5%),
    var(--surface)
  );
}

.prose .rule-card--warn {
  background: color-mix(in srgb, var(--surface) 90%, var(--warn) 10%);
  border-color: color-mix(in srgb, var(--warn) 42%, var(--border));
}

.prose .rule-card__title {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.prose .rule-card__text {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--muted);
}

@media (max-width: 44rem) {
  .prose .rules-grid {
    grid-template-columns: 1fr;
  }
}

/* Krok 7: faile w blokach */
.prose .fails-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.prose .fail-card {
  margin: 0;
  padding: 0.95rem 1rem;
  background: color-mix(in srgb, var(--surface) 92%, var(--warn) 6%);
  border: 1px solid color-mix(in srgb, var(--warn) 35%, var(--border));
  border-radius: 10px;
}

.prose .fail-card--positive {
  background: color-mix(in srgb, var(--surface) 90%, var(--accent) 10%);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}

.prose .fail-card__title {
  margin: 0 0 0.28rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.prose .fail-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--muted);
}

/* Krok 2b: inne technologie w blokach */
.prose .tech-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 0.8rem;
}

.prose .tech-card {
  margin: 0;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.prose .tech-card--warn {
  background: color-mix(in srgb, var(--surface) 90%, var(--warn) 10%);
  border-color: color-mix(in srgb, var(--warn) 42%, var(--border));
}

.prose .tech-card--full {
  grid-column: 1 / -1;
}

.prose .tech-card__title {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
}

.prose .tech-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--muted);
}

@media (max-width: 44rem) {
  .prose .tech-grid {
    grid-template-columns: 1fr;
  }
}

/* Krok 8: luki / co dalej */
.prose .gaps-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 0.8rem;
}

.prose .gap-card {
  margin: 0;
  padding: 1rem 1.05rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.prose .gap-card__title {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.prose .gap-card__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--muted);
}

@media (max-width: 44rem) {
  .prose .gaps-grid {
    grid-template-columns: 1fr;
  }
}

/* Trzy filary — szkielet ludzkiego opisu (slajd 1a) */
.slide-pillars {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.slide-pillars li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 0;
  padding: 0.85rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.slide-pillar__n {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--bg);
  background: var(--accent);
}

.slide-pillar__body {
  min-width: 0;
  flex: 1;
}

.slide-pillars strong {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--text);
}

.slide-pillar__sub {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Przycisk „przykład” pod treścią slajdu */
.slide-demo-bar {
  margin-top: 1.35rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.slide-demo-hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  flex: 1;
  min-width: 10rem;
}

/* Modal z przykładem (native <dialog>) */
.slide-demo-modal {
  padding: 0;
  border: none;
  max-width: min(40rem, calc(100vw - 2rem));
  width: 100%;
  background: transparent;
  color: inherit;
}

.slide-demo-modal::backdrop {
  background: color-mix(in srgb, #000 65%, transparent);
}

.slide-demo-modal__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 24px 64px color-mix(in srgb, #000 45%, transparent);
  max-height: min(78dvh, 640px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.slide-demo-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.slide-demo-modal__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  padding-right: 0.5rem;
}

.slide-demo-modal__close {
  flex-shrink: 0;
}

.slide-demo-modal__body {
  padding: 1rem 1.1rem 1.25rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.slide-demo-modal__body pre {
  margin: 0.75rem 0 0;
  padding: 0.85rem 1rem;
  font-size: 0.78rem;
  line-height: 1.45;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.slide-demo-modal__note {
  margin: 0;
  padding: 0.65rem 1rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--muted);
  background: color-mix(in srgb, var(--bg) 70%, var(--surface));
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.error {
  padding: 1rem;
  color: #fecaca;
  background: #450a0a;
  border-radius: 8px;
  margin: 1rem;
}