/* ===== Tokeny ===== */
:root{
  --bg:        #1B1712;
  --bg-elev:   #242019;
  --paper:     #EFE7D8;
  --ink:       #2A241C;
  --cream:     #F3ECDD;
  --muted:     #A79A82;
  --gold:      #C9962C;
  --gold-soft: #E3B858;
  --teal:      #43625A;
  --shadow:    rgba(10, 8, 5, 0.55);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, sans-serif;

  --sprocket: #14110D;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--cream);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; transition-duration:0.001ms !important; }
}

/* ===== Filmstrip decorative bands (motyw kliszy filmowej) ===== */
.filmstrip{
  height:22px;
  background:
    radial-gradient(circle, var(--sprocket) 5px, transparent 5.5px) 0 50% / 34px 100% repeat-x,
    var(--bg-elev);
  border-block:1px solid rgba(0,0,0,.4);
}

/* ===== Header ===== */
.site-header{
  position:relative;
  text-align:center;
  padding:3.2rem 1.5rem 2.4rem;
}
.logout-link{
  position:absolute;
  top:1.4rem; right:1.5rem;
  color:var(--muted);
  font-size:.82rem;
  text-decoration:none;
  border:1px solid rgba(255,255,255,.14);
  padding:.35rem .8rem;
  border-radius:999px;
  transition:color .2s, border-color .2s;
}
.logout-link:hover{ color:var(--cream); border-color:rgba(255,255,255,.3); }
.eyebrow{
  margin:0 0 .5rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:.72rem;
  color:var(--gold-soft);
  font-weight:600;
}
.site-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:500;
  font-optical-sizing:auto;
  font-size:clamp(2.2rem, 5vw, 3.6rem);
  color:var(--cream);
  letter-spacing:-0.01em;
}

/* ===== Layout / Views ===== */
#app{ max-width:1180px; margin:0 auto; padding:1rem 1.5rem 5rem; }
.view{ display:none; }
.view--active{ display:block; animation:fade-in .35s ease both; }
@keyframes fade-in{ from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:none;} }

.empty-state{
  text-align:center;
  color:var(--muted);
  max-width:480px;
  margin:3rem auto;
  line-height:1.6;
}
.empty-state code{
  background:var(--bg-elev);
  padding:.1em .4em;
  border-radius:4px;
  color:var(--gold-soft);
}

/* ===== Karty lat ===== */
.years-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(230px, 1fr));
  gap:1.6rem;
  margin-top:1.5rem;
}

.year-card{
  position:relative;
  aspect-ratio:4/5;
  border-radius:10px;
  overflow:hidden;
  cursor:pointer;
  background:var(--bg-elev);
  border:1px solid rgba(255,255,255,.06);
  box-shadow:0 10px 24px -10px var(--shadow);
  transform:translateZ(0);
  transition:transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
}
.year-card:hover, .year-card:focus-visible{
  transform:translateY(-6px);
  box-shadow:0 20px 34px -12px var(--shadow);
}
.year-card:focus-visible{ outline:2px solid var(--gold); outline-offset:3px; }

.year-card img{
  width:100%; height:100%;
  object-fit:cover;
  display:block;
  filter:saturate(.92) contrast(1.02);
  transition:transform .6s ease;
}
.year-card:hover img{ transform:scale(1.06); }

.year-card::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(to top, rgba(10,8,5,.86) 0%, rgba(10,8,5,.15) 45%, transparent 65%);
}

.year-card .year-count{
  position:absolute; top:.7rem; right:.7rem;
  z-index:2;
  font-family:var(--font-body);
  font-size:.7rem;
  font-weight:600;
  letter-spacing:.04em;
  background:rgba(10,8,5,.55);
  color:var(--cream);
  border:1px solid rgba(255,255,255,.18);
  padding:.25rem .55rem;
  border-radius:999px;
  backdrop-filter:blur(2px);
}

.year-card .year-label{
  position:absolute; left:.9rem; bottom:.7rem;
  z-index:2;
  font-family:var(--font-display);
  font-weight:600;
  font-size:2.1rem;
  color:var(--cream);
  line-height:1;
  letter-spacing:-0.01em;
}
.year-card .year-label::after{
  content:"";
  display:block;
  width:28px; height:2px;
  background:var(--gold);
  margin-top:.5rem;
}
.year-card .year-label small{
  display:block;
  font-family:var(--font-body);
  font-size:.78rem;
  font-weight:500;
  color:var(--gold-soft);
  letter-spacing:.02em;
  margin-top:.3rem;
}

/* ===== Widok galerii ===== */
.back-btn{
  background:none; border:none;
  color:var(--gold-soft);
  font-family:var(--font-body);
  font-size:.92rem; font-weight:500;
  cursor:pointer;
  padding:.5rem 0;
  margin-bottom:1rem;
  display:inline-flex; align-items:center; gap:.4rem;
  transition:opacity .2s;
}
.back-btn:hover{ opacity:.75; }

.gallery-heading{
  display:flex; align-items:baseline; gap:.9rem;
  margin-bottom:1.6rem;
  border-bottom:1px solid rgba(255,255,255,.1);
  padding-bottom:1rem;
}
.gallery-year{
  font-family:var(--font-display);
  font-weight:500;
  font-size:2.6rem;
  margin:0;
  color:var(--cream);
}
.gallery-count{ color:var(--muted); font-size:.9rem; }
.gallery-label{
  font-family:var(--font-body);
  font-size:1.05rem;
  color:var(--gold-soft);
}

.thumbs-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(160px, 1fr));
  gap:.6rem;
}
.thumb{
  position:relative;
  aspect-ratio:1/1;
  border-radius:6px;
  overflow:hidden;
  cursor:zoom-in;
  border:1px solid rgba(255,255,255,.06);
  background:var(--bg-elev);
}
.thumb img{
  width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .4s ease, filter .4s ease;
}
.thumb:hover img{ transform:scale(1.08); }
.thumb:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

/* ===== Lightbox ===== */
.lightbox{
  position:fixed; inset:0;
  background:rgba(8,6,4,.96);
  z-index:100;
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  animation:lb-in .25s ease both;
}
/* Reguła .lightbox z display:flex ma taką samą specyficzność jak domyślna
   reguła przeglądarki dla [hidden], ale jako reguła autora i tak by ją
   nadpisała — bez tego lightbox byłby widoczny cały czas. */
.lightbox[hidden]{
  display:none;
}
@keyframes lb-in{ from{opacity:0;} to{opacity:1;} }

.lb-stage{
  position:relative;
  flex:1;
  width:100%;
  display:flex; align-items:center; justify-content:center;
  padding:2rem 4.5rem;
  min-height:0;
}
.lb-stage img{
  max-width:100%; max-height:100%;
  object-fit:contain;
  border-radius:4px;
  box-shadow:0 30px 60px -12px rgba(0,0,0,.7);
  animation:lb-scale .28s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes lb-scale{ from{opacity:0; transform:scale(.97);} to{opacity:1; transform:none;} }

.lb-counter{
  position:absolute; bottom:.5rem; left:50%; transform:translateX(-50%);
  font-size:.78rem; color:var(--muted); letter-spacing:.04em;
  margin:0;
}

.lb-close, .lb-nav{
  position:absolute;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  color:var(--cream);
  cursor:pointer;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  transition:background .2s, transform .2s;
}
.lb-close:hover, .lb-nav:hover{ background:rgba(255,255,255,.16); }

.lb-close{ top:1.2rem; right:1.2rem; width:2.6rem; height:2.6rem; font-size:1rem; z-index:5; }
.lb-nav{ top:50%; translate:0 -50%; width:3.2rem; height:3.2rem; font-size:1.6rem; z-index:5; }
.lb-prev{ left:1rem; }
.lb-next{ right:1rem; }

.lb-filmstrip{
  display:flex; gap:.5rem;
  padding:.8rem 1rem 1.2rem;
  overflow-x:auto;
  max-width:100%;
  scrollbar-width:thin;
}
.lb-filmstrip img{
  width:64px; height:64px;
  object-fit:cover;
  border-radius:4px;
  opacity:.45;
  cursor:pointer;
  border:2px solid transparent;
  transition:opacity .2s, border-color .2s;
  flex-shrink:0;
}
.lb-filmstrip img:hover{ opacity:.8; }
.lb-filmstrip img.is-active{ opacity:1; border-color:var(--gold); }

/* ===== Responsywność ===== */
@media (max-width:640px){
  .lb-stage{ padding:1rem 3rem; }
  .lb-nav{ width:2.5rem; height:2.5rem; font-size:1.3rem; }
  .year-card .year-label{ font-size:1.6rem; }
  .site-title{ font-size:2rem; }
}

/* ===== Ekran logowania ===== */
.login-wrap{
  min-height:calc(100vh - 44px);
  display:flex; align-items:center; justify-content:center;
  padding:2rem 1.5rem;
}
.login-card{
  width:100%; max-width:380px;
  background:var(--bg-elev);
  border:1px solid rgba(255,255,255,.08);
  border-radius:14px;
  padding:2.4rem 2rem;
  text-align:center;
  box-shadow:0 24px 48px -16px var(--shadow);
  animation:fade-in .4s ease both;
}
.login-title{
  font-family:var(--font-display);
  font-weight:500;
  font-size:1.9rem;
  margin:.2rem 0 .6rem;
  color:var(--cream);
}
.login-sub{
  color:var(--muted);
  font-size:.88rem;
  line-height:1.5;
  margin:0 0 1.6rem;
}
.login-label{
  display:block;
  text-align:left;
  font-size:.78rem;
  color:var(--muted);
  margin-bottom:.4rem;
}
.login-input{
  width:100%;
  background:var(--bg);
  border:1px solid rgba(255,255,255,.14);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:1rem;
  padding:.7rem .9rem;
  border-radius:8px;
  margin-bottom:1rem;
}
.login-input:focus{
  outline:none;
  border-color:var(--gold);
}
.login-error{
  color:#E08A72;
  font-size:.82rem;
  margin:-.3rem 0 1rem;
  text-align:left;
}
.login-btn{
  width:100%;
  background:var(--gold);
  color:#1B1712;
  border:none;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.96rem;
  padding:.75rem;
  border-radius:8px;
  cursor:pointer;
  transition:background .2s, transform .2s;
}
.login-btn:hover{ background:var(--gold-soft); }
.login-btn:active{ transform:translateY(1px); }