/* =========================================================
   OBIETTIVO — archivio fotografico
   Palette: nero / bianco / rosso — tipografia editoriale
   ========================================================= */

:root{
  --bg:            #0a0a0b;
  --bg-panel:      #141415;
  --bg-panel-2:    #1c1c1e;
  --border:        #2a2a2c;
  --border-soft:   #232325;
  --text:          #f3f3f1;
  --text-muted:    #8f8f93;
  --text-faint:    #58585c;
  --red:           #d81f2f;
  --red-bright:    #ff3b4e;
  --red-dim:       #5c1620;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Work Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --gap: clamp(16px, 2.4vw, 28px);
}

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

html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; -webkit-user-drag:none; user-select:none; }

a{ color: inherit; text-decoration:none; }

.accent{ color: var(--red); }

::selection{ background: var(--red-dim); color: var(--text); }

:focus-visible{
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* =========================== HEADER =========================== */

.site-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: var(--gap);
  padding: 22px clamp(20px, 5vw, 56px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top:0;
  background: rgba(10,10,11,0.86);
  backdrop-filter: blur(10px);
  z-index: 40;
  flex-wrap: wrap;
}

.brand{ display:flex; align-items:center; gap:10px; }

.brand-mark{
  color: var(--red);
  font-size: 10px;
  transform: translateY(-1px);
}

.brand-name{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 22px;
  margin:0;
}

.page-nav{
  display:flex;
  gap: 18px;
  align-items:center;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-nav a{ color: var(--text-muted); border-bottom: 1px solid transparent; padding-bottom: 2px; }
.page-nav a:hover{ color: var(--text); }
.page-nav a.active{ color: var(--red); border-color: var(--red); }

.category-nav{
  display:flex;
  gap: 4px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
}

.category-nav button{
  background:none;
  border:1px solid transparent;
  color: var(--text-muted);
  padding: 8px 12px;
  cursor:pointer;
  display:flex;
  gap:8px;
  align-items:baseline;
  transition: color .15s ease, border-color .15s ease;
}

.category-nav button .idx{ color: var(--red); }

.category-nav button:hover{ color: var(--text); }

.category-nav button.active{
  color: var(--text);
  border-color: var(--border);
  background: var(--bg-panel);
}

/* =========================== COVER =========================== */

.cover{
  position: relative;
  height: min(78vh, 760px);
  min-height: 420px;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.cover-media{
  position: absolute;
  inset: 0;
  background-color: var(--bg-panel);
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* effetto: la cover resta ferma mentre la pagina scorre */
  filter: grayscale(100%) contrast(1.05);
}

/* placeholder finché non viene caricata una cover dall'area riservata */
.cover-media--empty{
  background-image:
    repeating-linear-gradient(135deg, var(--bg-panel-2) 0 2px, transparent 2px 26px);
}

.cover-overlay{
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(10,10,11,0.35) 0%,
    rgba(10,10,11,0.25) 35%,
    rgba(10,10,11,0.92) 100%);
}

.cover-content{
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(24px, 5vw, 56px);
  max-width: 1100px;
}

.hero-eyebrow{
  font-family: var(--font-mono);
  color: var(--red);
  letter-spacing: 0.18em;
  font-size: 12px;
  text-transform: uppercase;
  margin: 0 0 18px;
}

.hero-title{
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0;
  max-width: 18ch;
  color: var(--text);
}

.hero-count{
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 768px){
  /* background-attachment:fixed è instabile su molti mobile browser: si passa a scroll normale */
  .cover-media{ background-attachment: scroll; }
  .cover{ height: 56vh; min-height: 340px; }
}

/* =========================== GALLERY =========================== */

main{ padding: 0 clamp(20px, 5vw, 56px) 80px; }

.gallery-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--gap);
}

.photo-card{
  cursor:pointer;
  border:1px solid var(--border-soft);
  background: var(--bg-panel);
}

.photo-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio: 4 / 5;
  background: var(--bg-panel-2);
}

.photo-frame img{
  width:100%;
  height:100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.05);
  transition: transform .5s ease, filter .4s ease;
}

.photo-card:hover .photo-frame img{
  transform: scale(1.045);
  filter: grayscale(0%) contrast(1.02);
}

.video-frame{
  display:flex;
  align-items:center;
  justify-content:center;
  background: var(--bg-panel-2);
}

.video-thumb{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:
    repeating-linear-gradient(135deg, var(--bg-panel) 0 2px, transparent 2px 26px);
}

.play-icon{
  width:56px;
  height:56px;
  border-radius:50%;
  border:1px solid var(--border);
  background: rgba(10,10,11,0.55);
  color: var(--red);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  transition: border-color .15s ease, color .15s ease;
}

.photo-card:hover .play-icon{
  border-color: var(--red);
  color: var(--red-bright);
}

.photo-index{
  position:absolute;
  top:12px; left:12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text);
  background: rgba(10,10,11,0.55);
  padding: 3px 7px;
  border-left: 2px solid var(--red);
}

.photo-meta{
  position:absolute;
  left:0; right:0; bottom:0;
  display:flex;
  gap:0;
  transform: translateY(100%);
  transition: transform .3s ease;
  font-family: var(--font-mono);
  font-size: 11px;
  border-top: 1px solid var(--red);
}

.photo-card:hover .photo-meta{ transform: translateY(0); }

.meta-tag{
  flex:1;
  background: rgba(10,10,11,0.82);
  color: var(--text-muted);
  padding: 7px 8px;
  border-right: 1px solid var(--border);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.meta-tag:last-child{ border-right:none; }

.photo-title{
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-weight: 500;
  font-size: 16px;
  margin: 14px 14px 4px;
}

.photo-category{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  margin: 0 14px 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.empty-state{
  padding: 80px 0;
  text-align:center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* =========================== LIGHTBOX =========================== */

.lightbox{
  position:fixed; inset:0;
  background: rgba(6,6,7,0.94);
  z-index: 100;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: clamp(16px, 4vw, 48px);
}

.lightbox[hidden]{ display:none; }

.lightbox-close{
  position:absolute;
  top:20px; right:24px;
  background:none;
  border:1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  cursor:pointer;
}
.lightbox-close:hover{ border-color: var(--red); color: var(--red); }

.lightbox-content{
  display:grid;
  grid-template-columns: minmax(0,1.5fr) minmax(220px, 320px);
  gap: 32px;
  max-width: 1180px;
  max-height: 88vh;
  width:100%;
}

.lightbox-content img,
.lightbox-content video{
  max-height: 88vh;
  width:100%;
  object-fit: contain;
  background: var(--bg-panel);
}

.lightbox-media{
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:0;
}

.lightbox-media img,
.lightbox-media video{
  max-height: 88vh;
  width:100%;
  object-fit: contain;
  background: var(--bg-panel);
}

.lightbox-media iframe{
  width:100%;
  aspect-ratio: 16 / 9;
  max-height: 88vh;
  border:none;
  background: var(--bg-panel);
}

.lightbox-meta h3{
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 24px;
  margin: 4px 0 14px;
}

.lightbox-meta p{ color: var(--text-muted); font-size: 14px; }

.meta-grid{
  margin-top: 22px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
}
.meta-grid dt{ color: var(--text-faint); margin-top: 14px; text-transform:uppercase; letter-spacing:.08em; font-size:10px; }
.meta-grid dd{ margin:4px 0 0; color: var(--text); }

/* =========================== CHI SONO =========================== */

.about-hero{
  padding: clamp(48px, 8vw, 84px) clamp(20px, 5vw, 56px) clamp(24px, 4vw, 40px);
  max-width: 1100px;
}

.about-main{ padding: 0 clamp(20px, 5vw, 56px) 90px; }

.about-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items:start;
}

.about-bio p{ color: var(--text-muted); font-size: 15px; line-height: 1.7; }
.about-bio em{ color: var(--text-faint); font-style: normal; font-size: 13px; }
.about-bio code{ font-family: var(--font-mono); color: var(--red); }

.about-facts{
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.about-facts dt{
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-faint);
}
.about-facts dd{ margin: 4px 0 0; font-size: 14px; }

.about-contact form{ display:flex; flex-direction:column; gap:14px; margin-top: 4px; }
.about-contact label{
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  display:flex;
  flex-direction:column;
  gap:6px;
}

@media (max-width: 780px){
  .about-grid{ grid-template-columns: 1fr; }
}

/* =========================== FOOTER =========================== */

.site-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 26px clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}

.admin-link{
  color: var(--text-faint);
  border-bottom: 1px solid transparent;
}
.admin-link:hover{ color: var(--red); border-color: var(--red); }

/* =========================== ADMIN =========================== */

.admin-shell{
  min-height:100vh;
  display:flex;
  align-items:flex-start;
  justify-content:center;
}

.login-panel{
  margin-top: 14vh;
  width: min(360px, 90vw);
  padding: 40px 32px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  text-align:center;
}

.login-panel h1{
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 22px;
  margin: 0 0 10px;
}

.muted{ color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }

#loginForm{ display:flex; flex-direction:column; gap:12px; }

input, textarea, select{
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 11px 12px;
  width:100%;
}
input:focus, textarea:focus, select:focus{ border-color: var(--red); }

button{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 12px;
  cursor:pointer;
}

button[type="submit"], #logoutBtn{
  background: var(--red);
  border: 1px solid var(--red);
  color: #fff;
  padding: 11px 14px;
  transition: background .15s ease, opacity .15s ease;
}
button[type="submit"]:hover, #logoutBtn:hover{ background: var(--red-bright); border-color: var(--red-bright); }

.login-error{ color: var(--red-bright); font-size: 12px; margin-top: 14px; font-family: var(--font-mono); }

.admin-panel{ width: min(1100px, 94vw); padding: 40px 0 100px; }

.admin-header{
  display:flex; align-items:center; justify-content:space-between;
  padding-bottom: 20px; margin-bottom: 28px; border-bottom: 1px solid var(--border);
  flex-wrap:wrap; gap:12px;
}

.admin-header h1{
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 22px;
  font-weight: 500;
}

.admin-header nav{ display:flex; gap:14px; align-items:center; font-family: var(--font-mono); font-size:12px; }
.admin-header nav a{ color: var(--text-muted); border-bottom:1px solid transparent; }
.admin-header nav a:hover{ color: var(--text); border-color: var(--border); }

.cover-preview-wrap{ margin-bottom: 16px; }

.cover-preview{
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  filter: grayscale(100%);
  border: 1px solid var(--border-soft);
}

.admin-grid{
  display:grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--gap);
  align-items:start;
}

.panel-card{
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 24px;
  margin-bottom: var(--gap);
}

.panel-card h2{
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 500;
  font-size: 16px;
  margin: 0 0 18px;
}

#categoryForm{ display:flex; gap:8px; margin-bottom:16px; }
#categoryForm input{ flex:1; }
#categoryForm button{ background: transparent; border:1px solid var(--border); color: var(--text); padding: 0 16px; }
#categoryForm button:hover{ border-color: var(--red); color: var(--red); }

.category-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.category-list li{
  display:flex; align-items:center; justify-content:space-between;
  font-family: var(--font-mono); font-size: 13px;
  padding: 9px 10px; background: var(--bg-panel-2); border-left: 2px solid var(--red);
}
.category-list button{
  background:none; border:none; color: var(--text-faint); font-size: 11px;
}
.category-list button:hover{ color: var(--red-bright); }

#uploadForm{ display:flex; flex-direction:column; gap:14px; }
#uploadForm label{ font-family: var(--font-mono); font-size: 11px; text-transform:uppercase; letter-spacing:.06em; color: var(--text-muted); display:flex; flex-direction:column; gap:6px; }
#uploadForm button[type="submit"]{ margin-top:6px; }

.field-group{ display:flex; flex-direction:column; gap:8px; }
.field-label{
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}
.radio-row{ display:flex; gap:18px; flex-wrap:wrap; }
.radio-inline{
  display:flex;
  align-items:center;
  gap:7px;
  font-family: var(--font-body);
  font-size: 13px;
  text-transform:none;
  letter-spacing:normal;
  color: var(--text);
  cursor:pointer;
}
.radio-inline input[type="radio"]{
  width:auto;
  accent-color: var(--red);
  cursor:pointer;
}

.hint{ margin-top: 14px; font-size: 12px; color: var(--text-faint); }

.admin-photo-list{ display:flex; flex-direction:column; gap:10px; }

.admin-photo-row{
  display:grid;
  grid-template-columns: 56px 1fr auto;
  gap: 14px;
  align-items:center;
  padding: 10px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border-soft);
}

.admin-photo-row img{ width:56px; height:56px; object-fit:cover; filter: grayscale(100%); }

.admin-thumb-video{
  width:56px; height:56px;
  display:flex; align-items:center; justify-content:center;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  font-size: 20px;
}

.admin-photo-row .info{ font-size: 13px; }
.admin-photo-row .info .t{ font-family: var(--font-display); text-transform:uppercase; letter-spacing:.02em; }
.admin-photo-row .info .m{ font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); margin-top:2px; }

.admin-photo-row .del{
  background:none; border:1px solid var(--border); color: var(--text-faint); padding: 8px 12px; font-size:11px;
}
.admin-photo-row .del:hover{ border-color: var(--red); color: var(--red-bright); }

.empty-admin{ color: var(--text-faint); font-family: var(--font-mono); font-size: 12px; padding: 20px 0; }

/* =========================== RESPONSIVE =========================== */

@media (max-width: 860px){
  .lightbox-content{ grid-template-columns: 1fr; overflow:auto; }
  .lightbox-content img{ max-height: 50vh; }
  .admin-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  .site-header{ flex-direction:column; align-items:flex-start; }
  .admin-photo-row{ grid-template-columns: 44px 1fr; }
  .admin-photo-row .del{ grid-column: 1 / -1; }
}