/* ==========================================================
   VINTAGE FOLDER — map arsip manila untuk halaman Works
   Gerak & geometri dari "Glass Folder Cards", material diganti kertas:
   panel belakang kraft, berkas kertas tua & foto sepia, panel depan manila.
   ========================================================== */

.vf-root {
  --vf-px: 0;
  --vf-py: 0;
  --vf-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --vf-spring: cubic-bezier(0.34, 1.36, 0.5, 1);
  --vf-hinge: 0deg;
  /* --vf-rise = posisi berkas PALING BELAKANG; berkas di depannya turun
     --vf-stack per lapis. Jadi semua map mengintip sama tinggi, berapa pun
     jumlah berkasnya (--vf-maxd diisi JS = jumlah berkas − 1). */
  --vf-maxd: 2;
  --vf-rise: -18px;
  --vf-spread: 0px;
  --vf-fan: 0deg;
  --vf-stack: 15px;
  --vf-ink: #2b2118;
  --vf-ink-soft: rgba(43, 33, 24, 0.6);
  --vf-manila: #e2c992;
  --vf-kraft: #b48a55;
  --vf-paper: #f3ead6;

  position: relative;
  width: 100%;
  max-width: 360px;
  justify-self: center;
  isolation: isolate;
  -webkit-tap-highlight-color: transparent;
}

.vf-root:hover,
.vf-root:focus-within {
  --vf-hinge: -11deg;
  --vf-rise: -40px;
  --vf-spread: 6px;
  --vf-fan: 1.2deg;
  --vf-stack: 7px;
}

.vf-root[data-open] {
  /* berkas naik secukupnya — tetap di atas map, tidak meluap ke map lain */
  --vf-hinge: -24deg;
  --vf-rise: -112px;
  --vf-spread: 24px;
  --vf-fan: 4deg;
  --vf-stack: 15px;
  z-index: 5;
}

.vf-stage {
  position: absolute;
  left: 0;
  top: 0;
  width: 340px;
  height: 272px;
  transform-origin: 0 0;
}

.vf-tilt {
  position: absolute;
  inset: 0;
  transform: perspective(1400px) rotateX(calc(var(--vf-py) * -3deg)) rotateY(calc(var(--vf-px) * 4deg));
  transition: transform 0.9s var(--vf-ease);
}

.vf-shadow {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: -6px;
  height: 56px;
  border-radius: 40px;
  background: rgba(40, 28, 16, 0.32);
  filter: blur(20px);
  transform: translateX(calc(var(--vf-px) * -8px));
  transition: transform 0.9s var(--vf-ease), opacity 0.9s var(--vf-ease);
}

/* ---- panel belakang: kraft ------------------------------------------------ */
.vf-back {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 20% 10%, rgba(255, 240, 210, 0.35), transparent 60%),
    linear-gradient(180deg, #c49a62 0%, var(--vf-kraft) 55%, #9c7443 100%);
}

.vf-back-tex {
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.45;
  mix-blend-mode: multiply;
}

.vf-rim {
  position: absolute;
  left: 0;
  top: 0;
  max-width: none;
  overflow: visible;
  pointer-events: none;
  fill: none;
}

.vf-back-rim {
  width: 340px;
  height: 272px;
}

.vf-back-rim path {
  stroke: rgba(70, 46, 20, 0.45);
  stroke-width: 1.2;
}

/* ---- berkas di dalam map --------------------------------------------------- */
.vf-files {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  /* tidak ada yang menjuntai keluar dari dasar kantong */
  clip-path: inset(-400px -400px 10px -400px);
}

.vf-sheet-slot {
  display: contents;
}

.vf-sheet {
  all: unset;
  box-sizing: border-box;
  position: absolute;
  /* berkas lebih kecil dari mapnya, seperti kertas A5 di map folio */
  left: 60px;
  top: 104px;
  width: 220px;
  height: 148px;
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
  pointer-events: auto;
  background:
    radial-gradient(90% 70% at 85% 90%, rgba(170, 120, 60, 0.18), transparent 60%),
    linear-gradient(180deg, #f7f0de 0%, var(--vf-paper) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(90, 64, 30, 0.12),
    0 10px 24px -10px rgba(40, 28, 16, 0.45);
  transform-origin: 50% 100%;
  transform:
    translate(calc(var(--vf-jx) + var(--vf-slot) * var(--vf-spread)), calc(var(--vf-rise) + (var(--vf-maxd) - var(--vf-depth)) * var(--vf-stack)))
    rotate(calc(var(--vf-jr) + var(--vf-slot) * var(--vf-fan)));
  transition:
    transform 0.75s var(--vf-spring) calc(var(--vf-depth) * 40ms),
    box-shadow 0.4s var(--vf-ease),
    translate 0.9s var(--vf-ease),
    opacity 0.9s var(--vf-ease);
}

/* tekstur kertas tua */
.vf-sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.35;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.vf-root[data-open] .vf-sheet:hover,
.vf-root[data-open] .vf-sheet:focus-visible {
  transform:
    translate(calc(var(--vf-jx) + var(--vf-slot) * var(--vf-spread)), calc(var(--vf-rise) + (var(--vf-maxd) - var(--vf-depth)) * var(--vf-stack) - 18px))
    rotate(calc(var(--vf-slot) * var(--vf-fan) * 0.6));
  box-shadow:
    inset 0 0 0 1px rgba(90, 64, 30, 0.12),
    0 22px 40px -14px rgba(40, 28, 16, 0.55);
  transition-delay: 0s;
}

.vf-sheet:focus-visible {
  outline: 2px dashed var(--vf-ink);
  outline-offset: 2px;
}

/* foto cetak sepia dengan bingkai putih */
.vf-sheet--photo {
  background: #f8f4ea;
}

.vf-photo {
  position: absolute;
  inset: 27px 7px 7px;
  overflow: hidden;
  background: #d8cbb0;
}

.vf-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: sepia(0.45) saturate(0.8) contrast(1.05) brightness(0.98);
}

.vf-sheet-head {
  position: absolute;
  left: 12px;
  right: 12px;
  top: 9px;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  white-space: nowrap;
}

.vf-sheet-name {
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: "Special Elite", var(--f-mono);
  font-size: 11.5px;
  color: var(--vf-ink);
}

.vf-sheet-meta {
  flex: none;
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  color: var(--vf-ink-soft);
}

/* baris ketikan di lembar kertas */
.vf-lines {
  position: absolute;
  left: 12px;
  right: 12px;
  top: 34px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.vf-lines i {
  display: block;
  height: 4px;
  border-radius: 2px;
  background: rgba(60, 44, 24, 0.16);
}

.vf-lines i:first-child {
  height: 7px;
  margin-bottom: 4px;
  background: rgba(60, 44, 24, 0.26);
}

/* ---- panel depan: manila --------------------------------------------------- */
.vf-front {
  position: absolute;
  left: 0;
  top: 74px;
  width: 340px;
  height: 198px;
  z-index: 10;
  transform-origin: 50% 100%;
  transform: perspective(760px) rotateX(var(--vf-hinge));
  transition: transform 0.8s var(--vf-spring), translate 1s var(--vf-ease), opacity 1s var(--vf-ease);
}

.vf-paper {
  position: absolute;
  inset: 0;
  background:
    /* noda kopi samar */
    radial-gradient(38px 34px at 78% 70%, transparent 70%, rgba(150, 100, 40, 0.16) 74%, transparent 80%),
    radial-gradient(140% 100% at calc(50% + var(--vf-px) * 30%) 0%, rgba(255, 248, 228, 0.5), transparent 55%),
    linear-gradient(180deg, #ecd6a4 0%, var(--vf-manila) 50%, #d4b77c 100%);
}

.vf-paper::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.5;
  mix-blend-mode: multiply;
}

.vf-front-rim {
  width: 340px;
  height: 198px;
}

.vf-front-rim path {
  stroke: rgba(90, 60, 24, 0.5);
  stroke-width: 2;
  transition: stroke-width 0.3s var(--vf-ease);
}

.vf-hit {
  all: unset;
  position: absolute;
  inset: 0;
  z-index: 1;
  cursor: pointer;
}

.vf-front:has(.vf-hit:focus-visible) .vf-front-rim path {
  stroke: var(--vf-ink);
  stroke-width: 3;
  stroke-dasharray: 6 4;
}

/* label kertas tempel dengan tulisan ketik */
.vf-label {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-width: 220px;
  padding: 8px 12px 9px;
  background: #f6efdc;
  box-shadow:
    inset 0 0 0 1px rgba(90, 64, 30, 0.18),
    0 1px 2px rgba(60, 40, 20, 0.25);
  color: var(--vf-ink);
  pointer-events: none;
  transform: rotate(-1deg);
}

.vf-root[data-place="bottom-left"] .vf-label {
  left: 24px;
  bottom: 26px;
}

.vf-root[data-place="top-left"] .vf-label {
  left: 24px;
  top: 44px;
}

.vf-no {
  font-family: var(--f-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  color: var(--vf-ink-soft);
}

.vf-title {
  font-family: "Special Elite", var(--f-mono);
  font-size: 17px;
  line-height: 1.1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vf-meta {
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  color: var(--vf-ink-soft);
}

/* cap tinta merah */
.vf-stamp {
  position: absolute;
  right: 20px;
  bottom: 24px;
  z-index: 2;
  padding: 4px 10px;
  border: 2px solid rgba(168, 44, 34, 0.78);
  border-radius: 4px;
  color: rgba(168, 44, 34, 0.82);
  font-family: "Special Elite", var(--f-mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  transform: rotate(-12deg);
  mix-blend-mode: multiply;
  opacity: 0.85;
  pointer-events: none;
  -webkit-mask: var(--noise);
  mask: var(--noise);
  -webkit-mask-size: 90px;
  mask-size: 90px;
}

/* ---- masuk: map tersusun sendiri ------------------------------------------- */
.vf-root:not([data-entered]) .vf-back,
.vf-root:not([data-entered]) .vf-back-rim {
  translate: 0 22px;
  opacity: 0;
}

.vf-root:not([data-entered]) .vf-sheet {
  translate: 0 -120px;
  opacity: 0;
}

.vf-root:not([data-entered]) .vf-front {
  translate: 0 46px;
  opacity: 0;
}

.vf-root:not([data-entered]) .vf-shadow {
  opacity: 0;
}

.vf-back,
.vf-back-rim {
  transition: translate 1s var(--vf-ease), opacity 0.9s var(--vf-ease);
}

.vf-root[data-entered] .vf-sheet {
  transition-delay:
    calc(var(--vf-depth) * 40ms),
    0s,
    calc(0.18s + var(--vf-depth) * 90ms),
    calc(0.18s + var(--vf-depth) * 90ms);
}

.vf-root[data-entered] .vf-front {
  transition-delay: 0s, 0.42s, 0.42s;
}

@media (prefers-reduced-motion: reduce) {
  .vf-root *,
  .vf-root *::before,
  .vf-root *::after {
    transition-duration: 0s !important;
    transition-delay: 0s !important;
    animation: none !important;
  }

  .vf-tilt {
    transform: none;
  }
}

/* ---- warna cap sesuai status ---------------------------------------------- */
.vf-root[data-stamp="done"] .vf-stamp,
.vf-modal__stamp[data-tone="done"] {
  border-color: rgba(46, 104, 58, 0.8);
  color: rgba(46, 104, 58, 0.85);
}

.vf-root[data-stamp="progress"] .vf-stamp,
.vf-modal__stamp[data-tone="progress"] {
  border-color: rgba(178, 92, 20, 0.85);
  color: rgba(178, 92, 20, 0.9);
}

/* ==========================================================
   POP-UP BERKAS
   ========================================================== */
.vf-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}

.vf-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 14, 8, 0.55);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}

.vf-modal__card {
  --vf-ink: #2b2118;
  --vf-ink-soft: rgba(43, 33, 24, 0.6);
  position: relative;
  width: min(400px, 100%);
  max-height: calc(100vh - 48px);
  /* geser kiri/kanan saat PREV/NEXT tidak boleh memunculkan scrollbar */
  overflow-x: hidden;
  overflow-y: auto;
  padding: 14px 18px 13px;
  border-radius: 4px;
  background:
    radial-gradient(90% 70% at 85% 90%, rgba(170, 120, 60, 0.16), transparent 60%),
    linear-gradient(180deg, #f8f1df 0%, #f1e6cd 100%);
  color: var(--vf-ink);
  box-shadow:
    inset 0 0 0 1px rgba(90, 64, 30, 0.14),
    0 40px 80px -30px rgba(20, 12, 4, 0.6);
  transform-origin: 50% 50%;
  outline: none;
}

.vf-modal__card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--noise);
  opacity: 0.32;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.vf-modal__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(90, 64, 30, 0.35);
}

.vf-modal__name {
  font-family: "Special Elite", var(--f-mono);
  font-size: 18px;
  line-height: 1.1;
}

.vf-modal__meta {
  flex: none;
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--vf-ink-soft);
}

.vf-modal__photo {
  margin: 10px 0 0;
  padding: 6px;
  background: #fbf8f1;
  box-shadow: 0 1px 3px rgba(60, 40, 20, 0.25);
}

.vf-modal__photo img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: sepia(0.35) saturate(0.85) contrast(1.05);
}

.vf-modal__body {
  position: relative;
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.5;
}

.vf-modal__body p {
  margin: 0 0 10px;
}

.vf-modal__body dl {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 6px 12px;
  margin: 0;
}

.vf-modal__body dt {
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--vf-ink-soft);
}

.vf-modal__body dd {
  margin: 0;
  font-family: "Special Elite", var(--f-mono);
  font-size: 13px;
}

.vf-modal__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.vf-modal__body li::before {
  content: "— ";
  color: var(--vf-ink-soft);
}

.vf-modal__foot {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1px dashed rgba(90, 64, 30, 0.35);
}

.vf-modal__folder {
  margin-right: auto;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--vf-ink-soft);
}

.vf-modal__close {
  padding: 4px 8px;
  background: var(--vf-ink);
  color: #f3ead6;
  font-family: var(--f-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.vf-modal__stamp {
  position: absolute;
  top: 58px;
  right: 22px;
  padding: 4px 12px;
  border: 2px solid rgba(168, 44, 34, 0.78);
  border-radius: 4px;
  color: rgba(168, 44, 34, 0.82);
  font-family: "Special Elite", var(--f-mono);
  font-size: 16px;
  letter-spacing: 0.12em;
  transform: rotate(-10deg);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.vf-modal__card--photo .vf-modal__stamp {
  top: auto;
  bottom: 64px;
}

/* ---- isi pop-up: demo, navigasi, cap ------------------------------------- */
.vf-modal__content {
  position: relative;
}

.vf-modal__stamp {
  top: auto;
  bottom: 6px;
  right: 4px;
}

.vf-modal__demo {
  margin-top: 14px;
}

.vf-modal__demo-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1.5px solid var(--vf-ink);
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--vf-ink);
  transition: background 0.25s, color 0.25s;
}

.vf-modal__demo-link:hover {
  background: var(--vf-ink);
  color: #f3ead6;
}

.vf-modal__demo-none {
  display: inline-block;
  padding: 5px 10px;
  border: 1.5px dashed rgba(43, 33, 24, 0.4);
  font-family: var(--f-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--vf-ink-soft);
}

.vf-modal__nav {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.vf-modal__btn {
  padding: 4px 8px;
  border: 1.5px solid var(--vf-ink);
  font-family: var(--f-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--vf-ink);
  transition: background 0.25s, color 0.25s, transform 0.2s;
}

.vf-modal__btn:hover {
  background: var(--vf-ink);
  color: #f3ead6;
}

.vf-modal__btn:active {
  transform: scale(0.95);
}

.vf-modal__count {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--vf-ink-soft);
}

@media (max-width: 520px) {
  .vf-modal__card {
    padding: 14px 14px 12px;
  }

  .vf-modal__name {
    font-size: 18px;
  }

  .vf-modal__body dl {
    grid-template-columns: 86px 1fr;
  }

  .vf-modal__stamp {
    font-size: 13px;
  }
}