/* timeline.css — Horizontalna oś czasu procesu legislacyjnego.

   Etapy na linii (6 głównych):
     Założenia → Projekt → Sejm → Senat → Opublikowanie → Wejście w życie

   Dla Sejmu (i Senatu) możliwe sub-etapy w drop-downie pod główną osią
   (I czytanie, komisje, II czytanie, poprawki, III czytanie).

   Każdy etap = klikalna "kropka" + label dolny + opcjonalny panel z dokumentami.
*/

/* ============================================================ Wrapper */
.tl {
  position: relative;
  margin: 1.5rem 0 0;
  padding: 0;
}

/* Compact wariant — używany na project.html jako mini-progress
   pod headerem. Mniejsze kropki, krótsze labele, brak panelu dokumentów
   (panel jest schowany w <details> niżej). */
.tl--compact .tl-track {
  padding: 1rem 1.25rem 1rem;
}
.tl--compact .tl-track::before,
.tl--compact .tl-track::after {
  top: calc(1rem + 12px);
  height: 3px;
}
.tl--compact .tl-dot {
  width: 26px !important;
  height: 26px !important;
  font-size: .75rem !important;
}
.tl--compact .tl-stage-label {
  font-size: .7rem !important;
  letter-spacing: 0;
}
.tl--compact .tl-stage-meta {
  font-size: .62rem !important;
  opacity: .75;
}

/* ============================================================ Główna oś */
.tl-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--tl-cols, 6), 1fr);
  gap: 0;
  align-items: start;
  padding: 1.5rem 1.25rem 1.5rem;
  margin: 0;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
}

/* Tło-tor (cała trasa, neutralny).
   Pozycja `left/right` wyrównana do ŚRODKA pierwszej/ostatniej kropki:
   = padding tracku + połowa kolumny grid (grid ma 6 kolumn 1fr).
   Inner width tracku = 100% - 2 * padding-X = 100% - 2.5rem.
   Środek pierwszej kolumny = padding + col/2 = 1.25rem + (100% - 2.5rem)/12. */
.tl-track::before {
  content: '';
  position: absolute;
  top: calc(1.5rem + 18px);
  left:  calc(1.25rem + (100% - 2.5rem) / 12);
  right: calc(1.25rem + (100% - 2.5rem) / 12);
  height: 4px;
  background: var(--c-border);
  opacity: .55;
  border-radius: 999px;
  z-index: 0;
}

/* Wypełnienie postępu — gradient teal → green, do kropki current.
   Wartość var(--tl-progress) ustawia JS po renderze. */
.tl-track::after {
  content: '';
  position: absolute;
  top: calc(1.5rem + 18px);
  left: calc(1.25rem + (100% - 2.5rem) / 12);
  width: var(--tl-progress, 0%);
  height: 4px;
  background: var(--c-accent);
  border-radius: 999px;
  box-shadow: none;
  z-index: 0;
  transition: width .45s ease;
}

/* ============================================================ Kropka etapu */
.tl-stage {
  position: relative;
  z-index: 2;                /* nad track::before / track::after (z-index: 0) */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .65rem;
  padding: 0 .25rem;
  cursor: pointer;
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  transition: transform var(--t-fast);
}
.tl-stage:hover { transform: translateY(-1px); z-index: 3; }

.tl-dot {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-bg-elev);
  border: 2px solid var(--c-border);
  z-index: 1;
  transition: all var(--t-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-head);
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-fg-muted);
}

/* Achieved — pełny teal z subtelnym shadow */
.tl-stage[data-state="achieved"] .tl-dot {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: transparent;
  font-size: 0;
  box-shadow: none;
}
.tl-stage[data-state="achieved"] .tl-dot::after {
  content: '✓';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1rem;          /* przywróć rozmiar — działa niezależnie od font-size: 0 na rodzicu */
  font-weight: 800;
  line-height: 1;
  color: #fff;
}
.tl-stage[data-state="achieved"] .tl-dot > * { display: none; }

/* Current — wyraźna kombinacja zieleni i pulsu.
   Ring (box-shadow) zmniejszony z 6/12px na 4/9px żeby na ciasnym tablet/mobile
   layoutcie nie kolidował z sąsiednimi kropkami. */
.tl-stage[data-state="current"] .tl-dot {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
  box-shadow: 0 0 0 4px var(--a-teal-18);
  animation: none;
  transform: none;
}
.tl-stage[data-state="future"] .tl-dot {
  background: var(--c-bg);
  color: var(--c-fg-muted);
  border-style: dashed;
  opacity: .8;
}

.tl-stage[aria-expanded="true"] .tl-dot {
  outline: 3px solid var(--c-accent);
  outline-offset: 4px;
}

.tl-label {
  font-family: var(--f-head);
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-fg);
  text-align: center;
  line-height: 1.25;
  /* 16ch zamiast 14ch — "Wejście w życie" (15 znaków) nie łamie się asymetrycznie. */
  max-width: 16ch;
  letter-spacing: -.01em;
  /* Word-spacing redukuje gap między słowami, lepiej się mieści w wąskich kolumnach */
  word-spacing: -.05em;
}
.tl-stage[data-state="future"] .tl-label {
  color: var(--c-fg-muted);
  font-weight: 600;
}

.tl-sub {
  font-size: .72rem;
  color: var(--c-fg-muted);
  font-weight: 500;
  text-align: center;
  line-height: 1.3;
}

/* ============================================================ Doc list pod osią */
.tl-panel {
  margin-top: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--c-bg-elev);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-sm);
  display: none;
}
.tl-panel[aria-hidden="false"] {
  display: block;
  animation: tl-fade-in .25s ease-out;
}
@keyframes tl-fade-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tl-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--c-divider);
}
.tl-panel-title {
  font-family: var(--f-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-fg);
}
.tl-panel-meta {
  font-size: .82rem;
  color: var(--c-fg-muted);
}

/* === Sub-stages (Sejm) === */
.tl-substages {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .5rem;
}
/* DEPRECATED — stary "pill" style (zastąpiony przez .tl-sub vertical mini-timeline). */
.tl-substage {
  position: relative;
  padding: .55rem .75rem .55rem 1.6rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: .82rem;
  color: var(--c-fg-muted);
}
.tl-substage::before {
  content: '';
  position: absolute;
  left: .65rem; top: 50%;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-fg-muted);
  opacity: .35;
  transform: translateY(-50%);
}
.tl-substage[data-state="achieved"] {
  color: var(--c-fg);
  border-color: var(--a-teal-18);
}
.tl-substage[data-state="achieved"]::before {
  background: var(--c-accent);
  opacity: 1;
}
.tl-substage[data-state="current"] {
  color: var(--c-fg);
  background: rgba(21,128,61,.06);
  border-color: var(--c-green);
}
.tl-substage[data-state="current"]::before {
  background: var(--c-green);
  opacity: 1;
}
@keyframes tl-pulse-sm {
  0%,100% { box-shadow: 0 0 0 0 rgba(21,128,61,.35); }
  50%     { box-shadow: 0 0 0 5px rgba(21,128,61,0); }
}
.tl-substage-date {
  display: block;
  font-size: .72rem;
  color: var(--c-fg-muted);
  margin-top: .15rem;
}

/* === Documents list === */
.tl-docs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  /* B.5: dokumenty obok siebie pogrupowane klasami — auto-fill kolumny min 280px */
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .55rem;
}
@media (max-width: 600px) {
  .tl-docs { grid-template-columns: 1fr; }
}
.tl-doc {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .55rem .8rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: .85rem;
  color: var(--c-fg);
  transition: all var(--t-fast);
  text-decoration: none;
}
.tl-doc:hover {
  border-color: var(--c-accent);
  background: var(--a-teal-04);
  text-decoration: none;
  transform: translateX(2px);
}
.tl-doc-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--a-teal-08);
  color: var(--c-accent);
  border-radius: var(--r-sm);
  font-size: .82rem;
}
.tl-doc-body { flex: 1; min-width: 0; }
.tl-doc-label {
  font-weight: 500;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tl-doc-meta {
  font-size: .75rem;
  color: var(--c-fg-muted);
}
.tl-doc-action {
  font-size: .8rem;
  color: var(--c-accent);
  white-space: nowrap;
}

.tl-docs-empty {
  padding: 1rem;
  text-align: center;
  color: var(--c-fg-muted);
  font-size: .85rem;
  font-style: italic;
}

.tl-section-title {
  font-family: var(--f-head);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--c-fg-muted);
  margin: 1rem 0 .5rem;
}
.tl-section-title:first-child { margin-top: 0; }

/* === Events list — chronologia procesu === */
.tl-events {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--c-divider);
  display: grid;
  gap: .65rem;
}
.tl-event {
  position: relative;
  padding: .5rem .75rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  display: flex;
  gap: .85rem;
  align-items: flex-start;
}
.tl-event::before {
  content: '';
  position: absolute;
  left: -1.62rem; top: .9rem;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--c-accent);
  border: 2px solid var(--c-bg-elev);
}
.tl-event-date {
  flex-shrink: 0;
  font-family: var(--f-head);
  font-size: .78rem;
  font-weight: 600;
  color: var(--c-accent);
  white-space: nowrap;
  min-width: 5.5rem;
}
.tl-event-body {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  flex: 1;
}
.tl-event-label {
  font-weight: 500;
  color: var(--c-fg);
  font-size: .9rem;
}
.tl-event-meta {
  font-size: .75rem;
  color: var(--c-fg-muted);
}
.tl-event-details {
  font-size: .8rem;
  color: var(--c-fg-muted);
  font-style: italic;
}

/* ============================================================ Tablet (700-960px) — kolumny ciasniejsze */
@media (max-width: 960px) and (min-width: 701px) {
  .tl-label {
    font-size: .75rem;       /* mniejszy font = więcej znaków w 1 linii */
    word-spacing: -.08em;    /* dodatkowe ściśnięcie spacji ("Wejście w życie") */
  }
  .tl-sub {
    font-size: .68rem;
  }
}

/* ============================================================ Responsywne — zwijaj na mobile */
@media (max-width: 700px) {
  .tl-track {
    grid-template-columns: 1fr;
    gap: .5rem;
    padding: .5rem;
  }
  .tl-track::before { display: none; }
  .tl-stage {
    flex-direction: row;
    justify-content: flex-start;
    padding: .5rem .75rem;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    background: var(--c-bg-elev);
  }
  .tl-stage[data-state="achieved"] { border-left: 3px solid var(--c-accent); }
  .tl-stage[data-state="current"] { border-left: 3px solid var(--c-green); }
  .tl-label { text-align: left; max-width: none; }
  .tl-substages { grid-template-columns: 1fr; }
}

/* ============================================================ Sub-stages — vertical mini-timeline
   Engaging design: kropka + linia + label + data + opis + dokumenty inline.
   Zastępuje starszy `.tl-substage` (pill list). */
.tl-substeps {
  list-style: none;
  padding: 0;
  margin: .5rem 0 1.25rem;
  counter-reset: sub-step;
}

.tl-substep {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: .85rem;
  padding: 0 0 1.1rem;
}

/* Pionowa linia łącząca kropki (bez ostatniego elementu) */
.tl-substep::before {
  content: '';
  position: absolute;
  left: 15px;                    /* środek kropki (32px / 2 - 1px) */
  top: 24px;
  bottom: -.25rem;
  width: 2px;
  background: var(--c-border);
  opacity: .55;
  z-index: 0;
}
.tl-substep[data-last="true"]::before { display: none; }

/* Kropka stanu */
.tl-substep__dot {
  width: 26px;
  height: 26px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--c-bg-elev);
  border: 2px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 800;
  color: var(--c-fg-muted);
  z-index: 1;
  transition: all var(--t-fast);
}

.tl-substep[data-state="achieved"] .tl-substep__dot {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}
.tl-substep[data-state="current"] .tl-substep__dot {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
  box-shadow: 0 0 0 4px var(--a-teal-18);
}
.tl-substep[data-state="future"] .tl-substep__dot {
  border-style: dashed;
  background: var(--c-bg);
}

/* Linia łącząca — koloruj gdy poprzedni achieved */
.tl-substep[data-state="achieved"]::before,
.tl-substep[data-state="current"]::before {
  background: var(--c-accent);
  opacity: .6;
}

/* Body — head, copy, docs */
.tl-substep__body { padding-top: 2px; }

.tl-substep__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem .65rem;
  margin-bottom: .25rem;
}
.tl-substep__phase {
  font-family: var(--f-head);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: var(--a-teal-08);
  padding: .15rem .55rem;
  border-radius: var(--r-sm);
}

.tl-substep__label {
  font-family: var(--f-head);
  font-size: .98rem;
  font-weight: 700;
  color: var(--c-fg);
  letter-spacing: -.005em;
  flex: 1;
  min-width: 0;
}
.tl-substep__date {
  font-size: .78rem;
  color: var(--c-fg-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.tl-substep[data-state="future"] .tl-substep__label { color: var(--c-fg-muted); }
.tl-substep[data-state="future"] .tl-substep__date { opacity: .5; }

.tl-substep__copy {
  font-size: .87rem;
  color: var(--c-fg);
  line-height: 1.5;
  margin: .15rem 0 .5rem;
}
.tl-substep[data-state="future"] .tl-substep__copy {
  color: var(--c-fg-muted);
  font-style: italic;
}

/* Lista dokumentów — chip-style, inline */
.tl-substep__docs {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: .35rem;
}
.tl-substep__doc {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--a-teal-08);
  border: 1px solid var(--a-teal-12);
  border-radius: var(--r-sm);
  padding: .2rem .55rem;
  font-size: .8rem;
  color: var(--c-fg);
  line-height: 1.3;
}
.tl-substep__doc-ico { font-size: .85rem; line-height: 1; }
.tl-substep[data-state="future"] .tl-substep__doc {
  opacity: .5;
}

/* Mobile (≤700px): kompaktowo */
@media (max-width: 700px) {
  .tl-substep {
    grid-template-columns: 24px 1fr;
    gap: .65rem;
  }
  .tl-substep::before { left: 11px; }
  .tl-substep__dot { width: 20px; height: 20px; font-size: .65rem; }
  .tl-substep__label { font-size: .92rem; }
  .tl-substep__head { gap: .35rem; }
}