/* --- WallNova: 3-file simple gallery --- */
:root{
  --bg: #0b1020;
  --card: rgba(255,255,255,.07);
  --card2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --line: rgba(255,255,255,.12);
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 22px;
}

/* DIPAKSA DARK MODE:
   blok light dimatiin biar ga pernah kepake */
@media (prefers-color-scheme: never){
  :root{
    --bg: #f5f7ff;
    --card: rgba(0,0,0,.05);
    --card2: rgba(0,0,0,.08);
    --text: rgba(0,0,0,.88);
    --muted: rgba(0,0,0,.56);
    --line: rgba(0,0,0,.12);
    --shadow: 0 18px 50px rgba(0,0,0,.18);
  }
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(125, 90, 255, .25), transparent 55%),
    radial-gradient(900px 520px at 85% 0%, rgba(0, 240, 255, .18), transparent 55%),
    radial-gradient(1000px 600px at 50% 100%, rgba(255, 70, 170, .14), transparent 55%),
    var(--bg);
}

.noScroll{ overflow:hidden; }

.top{
  position: sticky;
  top:0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(0,0,0,.25), rgba(0,0,0,0));
  border-bottom: 1px solid var(--line);
  padding: 16px 18px 14px;
}

.topRow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom: 12px;
}

.brand{ margin-bottom: 0; }

.actionBtn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text); /* FIX: dulu var(--txt) */
  text-decoration:none;
  font-weight: 650;
  font-size: 13px;
  letter-spacing: .2px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.actionBtn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.18);
}
.actionBtn:active{
  transform: translateY(0) scale(.99);
}
.actionBtn:focus-visible{
  outline: 2px solid rgba(125,90,255,.65);
  outline-offset: 2px;
}

@media (max-width: 420px){
  .actionBtn .label{ display:none; }
  .actionBtn{ padding: 10px 11px; }
}

/* DIPAKSA DARK MODE: blok light dimatiin */
@media (prefers-color-scheme: never){
  .top{ background: linear-gradient(to bottom, rgba(255,255,255,.75), rgba(255,255,255,0)); }
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom: 12px;
}
.logo{
  width: 42px; height: 42px;
  display:grid; place-items:center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(125,90,255,.35), rgba(0,240,255,.22));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.brandText h1{
  font-size: 18px;
  letter-spacing: .2px;
  margin:0;
}
.brandText p{
  margin: 2px 0 0 0;
  color: var(--muted);
  font-size: 12.5px;
}

.tabs{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
}
.tab{
  appearance:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 999px;
  cursor:pointer;
  font-weight: 650;
  font-size: 13px;
  transition: transform .08s ease, background .18s ease, border-color .18s ease;
}
.tab:hover{ transform: translateY(-1px); background: rgba(255,255,255,.10); }
.tab.is-active{
  background: linear-gradient(135deg, rgba(125,90,255,.35), rgba(0,240,255,.22));
  border-color: rgba(255,255,255,.22);
}

.wrap{
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 18px 40px;
}

.meta{
  display:flex;
  align-items:center;
  gap:10px;
  color: var(--muted);
  font-size: 13px;
  margin: 6px 0 14px;
}
.dot{ opacity:.7; }
.hint{ opacity:.85; }

.grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

@media (min-width: 640px){
  .grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
}
@media (min-width: 920px){
  .grid{ grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
}

.card{
  position: relative;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  overflow:hidden;
  cursor:pointer;
  padding:0;
  min-height: 140px;
  box-shadow: 0 8px 28px rgba(0,0,0,.14);
  transition: transform .12s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 42px rgba(0,0,0,.18);
  border-color: rgba(255,255,255,.22);
}
.card::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(255,255,255,.06), rgba(255,255,255,.12), rgba(255,255,255,.06));
  background-size: 220% 100%;
  animation: shimmer 1.2s linear infinite;
  opacity: .9;
}
.card.is-ready::before{ display:none; }
.card.is-error::before{ display:none; }
.card.is-error::after{
  content:"Gagal load";
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color: var(--muted);
  font-weight: 700;
  background: rgba(0,0,0,.18);
}

@keyframes shimmer{
  0%{ background-position: 0% 0; }
  100%{ background-position: 220% 0; }
}

.card img{
  width: 100%;
  height: 100%;
  display:block;
  object-fit: cover;
  aspect-ratio: 4 / 5;
}

/* Empty state */
.empty{
  margin: 26px 0 0;
  padding: 18px 16px;
  border-radius: var(--radius2);
  border: 1px dashed var(--line);
  background: rgba(255,255,255,.04);
}
.empty h2{ margin: 0 0 6px; font-size: 16px; }
.empty p{ margin: 0; color: var(--muted); }
code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: .95em;
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--line);
}

/* Modal */
.modal{
  position: fixed;
  inset:0;
  display:none;
  z-index: 50;
}
.modal.is-open{ display:block; }

.backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}

.sheet{
  position:absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(980px, calc(100vw - 26px));
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: rgba(15, 18, 32, .78);
  box-shadow: var(--shadow);
  overflow:hidden;
}

/* DIPAKSA DARK MODE: blok light dimatiin */
@media (prefers-color-scheme: never){
  .sheet{ background: rgba(255,255,255,.88); }
}

.close{
  position:absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}

.iconBtn{
  appearance:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  cursor:pointer;
  font-size: 18px;
  font-weight: 900;
}

.viewer{
  display:grid;
  grid-template-columns: 52px 1fr 52px;
  align-items:center;
  gap: 0;
  padding: 14px;
}
.viewer img{
  width: 100%;
  height: min(70vh, 620px);
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}

.navBtn{
  appearance:none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  width: 42px; height: 42px;
  border-radius: 999px;
  cursor:pointer;
  font-size: 28px;
  font-weight: 900;
  display:grid;
  place-items:center;
}
.navBtn:hover{ background: rgba(255,255,255,.10); }

.actions{
  display:flex;
  gap: 10px;
  align-items:center;
  padding: 12px 14px 14px;
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.btn{
  text-decoration:none;
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  padding: 10px 12px;
  border-radius: 14px;
  font-weight: 800;
  font-size: 13px;
}
.btn:hover{ background: rgba(255,255,255,.10); }
.btnPrimary{
  background: linear-gradient(135deg, rgba(125,90,255,.42), rgba(0,240,255,.22));
  border-color: rgba(255,255,255,.22);
}
.spacer{ flex:1; }
.pos{ color: var(--muted); font-weight: 800; font-size: 13px; }

@media (max-width: 540px){
  .viewer{ grid-template-columns: 44px 1fr 44px; padding: 12px; }
  .viewer img{ height: min(70vh, 520px); }
  .actions{ flex-wrap: wrap; }
  .pos{ width: 100%; text-align:right; }
}

.actionBtn.isDisabled{ opacity: .55; cursor: not-allowed; }
.actionBtn.isDisabled:hover{ transform:none; background: rgba(255,255,255,.06); border-color: var(--line); }