/* ============================================================
   hinagiku.bid — midnight sealed-bid salesroom
   Swiss grid discipline + watercolor bleed + gold-black luxury
   ============================================================ */

:root {
  --velvet:       #0a0908;  /* page background */
  --carbon:       #141210;  /* vitrine enclosure surface */
  --carbon-2:     #2a2620;  /* smoke hairline / gridlines */
  --smoke:        #2a2620;
  --brushed-gold: #c9a96e;  /* lot numbers, hammer prices */
  --daisy-gold:   #e8d4a0;  /* active / hover highlight, petal tips */
  --vellum:       #f4ead8;  /* primary text */
  --tarnished:    #7a6b4f;  /* muted secondary text */
  --bidder:       #A47F9B;  /* anonymized bidder cipher tint (ledger separators only) */

  --display: "Quicksand", "Nunito Sans", system-ui, sans-serif;
  --body:    "Nunito Sans", system-ui, sans-serif;
  --mono:    "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--velvet);
  color: var(--vellum);
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.6;
  overflow: hidden;
  cursor: crosshair;
}

body { overscroll-behavior: none; }

::selection { background: rgba(201,169,110,0.28); color: var(--vellum); }

/* ---------- progress hairline ---------- */
.progress-hairline {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: var(--brushed-gold);
  transform-origin: left center;
  transform: scaleX(0);
  z-index: 60;
  pointer-events: none;
}

/* ---------- microscope reticle ---------- */
.reticle {
  position: fixed;
  top: 0; left: 0;
  margin-left: -40px;
  margin-top: -40px;
  pointer-events: none;
  z-index: 70;
  will-change: transform;
  opacity: 0.85;
  mix-blend-mode: screen;
}
.reticle.zoom { /* expanded over a specimen */ }

/* ---------- corridor (horizontal scroll) ---------- */
.corridor {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100vw;
  height: 100vh;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.corridor::-webkit-scrollbar { display: none; }

/* ---------- the vitrine module ---------- */
.lot {
  position: relative;
  width: 100vw;
  height: 100vh;
  scroll-snap-align: start;
  background: var(--carbon);
  border-right: 1px solid var(--carbon-2);
  overflow: hidden;
}

.spotlight {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 30%, rgba(201,169,110,0.04), transparent 60%);
  z-index: 1;
}

.vitrine-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: 24px;
  width: 100%;
  height: 100%;
  padding: 7vh 5vw 8vh;
  align-content: stretch;
}

/* visible gridlines: 12 columns of hairlines */
.vitrine-grid::before {
  content: "";
  position: absolute;
  inset: 7vh 5vw 8vh;
  background-image: repeating-linear-gradient(
    to right,
    transparent 0,
    transparent calc((100% / 12) - 1px),
    var(--carbon-2) calc((100% / 12) - 1px),
    var(--carbon-2) calc(100% / 12)
  );
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
/* horizontal baseline at 5/8 */
.vitrine-grid::after {
  content: "";
  position: absolute;
  left: 5vw; right: 5vw;
  top: calc(7vh + (100vh - 15vh) * 0.625);
  height: 1px;
  background: var(--carbon-2);
  opacity: 0.7;
  pointer-events: none;
  z-index: 0;
}

/* ---------- column: lot identification (1-4) ---------- */
.col-lot {
  grid-column: 1 / 5;
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding-top: 4vh;
}
.lot-num {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(4rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--brushed-gold);
  user-select: none;
  text-shadow: 0 0 40px rgba(201,169,110,0.12);
}
.lot-name {
  margin-top: 1.4rem;
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: lowercase;
  color: var(--vellum);
  max-width: 52ch;
}
.prov {
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--tarnished);
  letter-spacing: 0.04em;
}
.countdown {
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--tarnished);
}
.countdown .cd-val { color: var(--brushed-gold); }
.baseline-rule {
  margin-top: auto;
  height: 1px;
  background: var(--brushed-gold);
  opacity: 0.55;
  width: 80%;
}

/* ---------- column: watercolor daisy (5-8) ---------- */
.col-daisy {
  grid-column: 5 / 9;
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.col-daisy .bleed {
  position: absolute;
  width: 150%;
  height: 150%;
  left: -25%;
  top: -25%;
  background: radial-gradient(ellipse 55% 50% at 50% 50%, rgba(201,169,110,0.4), rgba(201,169,110,0.16) 55%, transparent 78%);
  filter: blur(28px);
  pointer-events: none;
  z-index: 0;
  animation: bleed-breathe 14s ease-in-out infinite alternate;
}
@keyframes bleed-breathe {
  0%   { transform: scale(1) rotate(0deg);   opacity: 0.8; }
  100% { transform: scale(1.12) rotate(6deg); opacity: 1; }
}
.col-daisy .circuit {
  position: absolute;
  width: 130%;
  height: 130%;
  left: -15%;
  top: -15%;
  opacity: 0.08;
  pointer-events: none;
  z-index: 1;
}
.col-daisy .circuit path {
  stroke-dasharray: 6 14;
  animation: trace-pulse 40s linear infinite;
}
@keyframes trace-pulse { to { stroke-dashoffset: -800; } }

.daisy {
  position: relative;
  z-index: 2;
  width: clamp(220px, 24vw, 360px);
  height: clamp(220px, 24vw, 360px);
  filter: url(#watercolor);
}
.daisy::after { /* gold center disc */
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 26%;
  height: 26%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--brushed-gold), #8c7340);
  box-shadow: 0 0 20px rgba(201,169,110,0.4);
}
.petal {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22%;
  height: 46%;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  background: radial-gradient(ellipse 60% 60% at 50% 38%, var(--daisy-gold), var(--brushed-gold) 95%);
  opacity: 0.7;
  transform-origin: 50% 100%;
  transform: translate(-50%, -100%) rotate(var(--a)) translateY(0);
  transition: transform 0.2s ease;
}
.daisy.open .petal {
  transform: translate(-50%, -100%) rotate(var(--a)) translateY(-8%) scaleY(1.06);
  opacity: 0.82;
}

/* ---------- column: calibration data (9-12) ---------- */
.col-data {
  grid-column: 9 / 13;
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  padding-top: 4vh;
}
.data-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 0;
  border-bottom: 1px solid var(--carbon-2);
}
.data-line .dk { color: var(--tarnished); text-transform: lowercase; }
.data-line .dv { color: var(--vellum); text-align: right; }
.annot {
  margin-top: 1.2rem;
  font-family: var(--body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--vellum);
  max-width: 52ch;
}
.annot .mark {
  display: inline-block;
  width: 48px;
  height: 16px;
  vertical-align: -2px;
  opacity: 0.7;
}
.hammer {
  margin-top: auto;
  padding-top: 1.4rem;
}
.hammer .dk {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--tarnished);
  text-transform: lowercase;
}
.hammer-val {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  color: var(--brushed-gold);
  letter-spacing: -0.02em;
  margin-top: 0.2rem;
}

/* ---------- sealed-bid cipher ---------- */
.cipher {
  margin-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.cipher-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--tarnished);
  text-transform: lowercase;
}
.redact {
  position: relative;
  display: flex;
  gap: 6px;
  align-items: center;
  height: 18px;
}
.rbar {
  display: inline-block;
  height: 13px;
  background: var(--brushed-gold);
  border-radius: 1px;
  transform-origin: left center;
  transform: scaleX(1);
  opacity: 0.85;
  will-change: transform, opacity;
}
.cipher-reveal {
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 14px;
  color: var(--brushed-gold);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.18s ease 0.05s;
  pointer-events: none;
}
.cipher.revealed .cipher-reveal { opacity: 1; }

/* ---------- pause gate ---------- */
.lot.gate {
  width: 50vw;
  background: var(--velvet);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--carbon-2);
}
.gate .gate-rule {
  width: 60%;
  height: 1px;
  background: var(--brushed-gold);
  opacity: 0.5;
  margin-bottom: 2.4rem;
}
.gate-numeral {
  font-family: var(--display);
  font-weight: 700;
  font-size: 6vw;
  color: var(--brushed-gold);
  letter-spacing: -0.02em;
  user-select: none;
  text-shadow: 0 0 60px rgba(201,169,110,0.18);
}
.gate-caption {
  margin-top: 1.6rem;
  font-family: var(--body);
  font-size: 12px;
  color: var(--tarnished);
  text-transform: lowercase;
  letter-spacing: 0.06em;
}

/* ---------- intro / colophon enclosures ---------- */
.lot--intro, .lot--colophon { background: var(--carbon); }
.lot--intro .vitrine-grid, .lot--colophon .vitrine-grid {
  align-content: center;
}
.intro-block {
  grid-column: 2 / 11;
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--tarnished);
  text-transform: lowercase;
  letter-spacing: 0.06em;
}
.intro-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(4rem, 12vw, 11rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--brushed-gold);
  user-select: none;
  text-shadow: 0 0 60px rgba(201,169,110,0.14);
}
.intro-title.small { font-size: clamp(3rem, 7vw, 6rem); }
.intro-title .dot { color: var(--daisy-gold); }
.intro-sub {
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--vellum);
  max-width: 52ch;
}
.provenance-code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--tarnished);
  letter-spacing: 0.04em;
}
.scroll-hint {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brushed-gold);
  text-transform: lowercase;
  letter-spacing: 0.1em;
  animation: hint-pulse 2.6s ease-in-out infinite;
}
@keyframes hint-pulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }

/* ---------- bid ledger ticker ---------- */
.ledger {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%;
  height: 32px;
  background: var(--velvet);
  border-top: 1px solid var(--carbon-2);
  overflow: hidden;
  z-index: 55;
  display: flex;
  align-items: center;
}
.ledger-track {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  white-space: nowrap;
  padding-left: 1.6rem;
  animation: ledger-slide 60s linear infinite;
}
.ledger-entry {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--brushed-gold);
  letter-spacing: 0.04em;
}
.ledger-sep { color: var(--bidder); opacity: 0.7; }
@keyframes ledger-slide {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- position scrubber ---------- */
.scrubber {
  position: fixed;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 56;
  pointer-events: auto;
}
.scrubber .tick {
  width: 18px;
  height: 2px;
  background: var(--carbon-2);
  border: none;
  padding: 0;
  cursor: crosshair;
  transition: background 0.25s ease, transform 0.25s ease;
}
.scrubber .tick.active {
  background: var(--brushed-gold);
  transform: scaleY(2.2);
}
.scrubber .tick.gate-tick { width: 8px; opacity: 0.6; }

/* ---------- responsive: narrow viewports ---------- */
@media (max-width: 900px) {
  .vitrine-grid { padding: 6vh 6vw 9vh; }
  .col-lot { grid-column: 1 / 13; padding-top: 1vh; }
  .col-daisy { grid-column: 1 / 13; min-height: 38vh; }
  .col-data { grid-column: 1 / 13; padding-top: 2vh; }
  .vitrine-grid { align-content: start; overflow-y: auto; }
  .vitrine-grid::after { display: none; }
  .lot-num { font-size: clamp(3rem, 14vw, 5rem); }
  .hammer { margin-top: 2rem; }
  .baseline-rule { margin-top: 2rem; }
}