/* ── Reset & Variables ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0d080f;
  --surface:     #1a0f1e;
  --velvet:      #6b1a2a;
  --velvet-dark: #3d0e18;
  --gold:        #c9a76a;
  --gold-dim:    #a08050;
  --text:        #d4c4b0;
  --muted:       #bcb0a5;   /* lighter warm grey — readable on dark bg */
  --label:       #c8bfc0;   /* secondary labels — light warm neutral */
  --glow:        #8b3a5a;
  --card-border: #3d2040;
  --card-back:   #2a0f1a;
}

html, body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: 'IM Fell English', Georgia, serif;
  font-size: 16px;
  line-height: 1.7;
}

/* Candle-flicker ambient glow */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%,
    rgba(139,58,90,0.12) 0%, transparent 65%);
  animation: flicker 4s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

@keyframes flicker {
  0%   { opacity: 0.7; transform: scale(1.00); }
  33%  { opacity: 1.0; transform: scale(1.02); }
  66%  { opacity: 0.85; transform: scale(0.99); }
  100% { opacity: 0.9; transform: scale(1.01); }
}

main { position: relative; z-index: 1; }

.hidden { display: none !important; }

.screen {
  min-height: 100vh;
  padding: 2rem 1.25rem;
}

/* ── Typography ── */
.ornament {
  color: var(--gold-dim);
  text-align: center;
  letter-spacing: 0.1em;
  font-size: 1rem;
  margin: 0.75rem 0;
}

.app-title {
  text-align: center;
  font-size: 3rem;
  font-weight: normal;
  color: var(--gold);
  letter-spacing: 0.15em;
  text-transform: lowercase;
}

.app-sub {
  text-align: center;
  font-size: 1rem;
  color: var(--muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: -0.4rem;
}

.manicule { color: var(--gold); font-style: normal; }

/* ── Mode selection ── */
#screen-mode {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.app-header {
  margin-bottom: 3rem;
  width: 100%;
  max-width: 400px;
}

.mode-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 320px;
}

.mode-btn {
  background: none;
  border: 1px solid var(--card-border);
  color: var(--text);
  font-family: inherit;
  font-size: 1.1rem;
  font-style: italic;
  padding: 0.9rem 1.5rem;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  letter-spacing: 0.04em;
}

.mode-btn:hover {
  border-color: var(--glow);
  color: var(--gold);
  background: rgba(107,26,42,0.15);
}

/* ── Screen header ── */
.screen-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.back-btn, .reset-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  letter-spacing: 0.08em;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

.back-btn:hover, .reset-btn:hover { color: var(--gold); }

.instruction {
  flex: 1;
  color: var(--gold-dim);
  font-style: italic;
  font-size: 1rem;
}

.selection-counter {
  color: var(--muted);
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.reset-row {
  text-align: center;
  margin-top: 3rem;
  padding-bottom: 2rem;
}

.reset-btn { color: var(--gold-dim); font-size: 1rem; letter-spacing: 0.12em; }

/* ── Opera Curtain ── */
.bead-curtain {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: all;
  overflow: hidden;
  /* No background — panels cover fully at start; content shows through as they open */
}

.curtain-left,
.curtain-right {
  position: absolute;
  top: 0;
  height: 100%;
  width: 52%; /* slight centre overlap so no gap at start */
  background:
    /* Vertical fold shading — shadow crease / surface / highlight / surface repeat */
    repeating-linear-gradient(
      90deg,
      rgba(0,0,0,0.40)   0px, rgba(0,0,0,0.40)   5px,
      rgba(0,0,0,0.10)   5px, rgba(0,0,0,0.10)  14px,
      rgba(255,255,255,0.06) 14px, rgba(255,255,255,0.06) 18px,
      rgba(0,0,0,0.08)  18px, rgba(0,0,0,0.08)  30px,
      rgba(0,0,0,0.32)  30px, rgba(0,0,0,0.32)  36px,
      transparent       36px, transparent        58px
    ),
    /* Top-to-bottom depth gradient */
    linear-gradient(180deg,
      #1e060d  0%,
      #6b1a2a 12%,
      #5a1422 55%,
      #3d0e18 100%
    );
}

.curtain-left  { left: 0;  transform-origin: left center; }
.curtain-right { right: 0; transform-origin: right center; }

/* Gold pelmet/valance across the top */
.curtain-top-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 22px;
  background: linear-gradient(180deg,
    #c9a76a 0%, #a07840 45%, #6a4c1e 80%, #3a2808 100%);
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}

/* Matching bar at the bottom */
.curtain-bottom-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 22px;
  background: linear-gradient(0deg,
    #c9a76a 0%, #a07840 45%, #6a4c1e 80%, #3a2808 100%);
  z-index: 10;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.6);
}

/* Opening animation — curtains gather to each side */
.bead-curtain.parting .curtain-left {
  animation: curtain-open-left 2.0s cubic-bezier(0.5, 0, 0.3, 1) forwards;
}
.bead-curtain.parting .curtain-right {
  animation: curtain-open-right 2.0s cubic-bezier(0.5, 0, 0.3, 1) forwards;
}

/* Bars exit when panels start sliding off (~1.1s into the animation) */
.bead-curtain.parting .curtain-top-bar {
  animation: bar-slide-up 0.9s cubic-bezier(0.4, 0, 0.6, 1) 1.1s both;
}
.bead-curtain.parting .curtain-bottom-bar {
  animation: bar-slide-down 0.9s cubic-bezier(0.4, 0, 0.6, 1) 1.1s both;
}

@keyframes curtain-open-left {
  0%   { transform: scaleX(1); }
  58%  { transform: scaleX(0.13) translateX(0); }
  100% { transform: scaleX(0.13) translateX(-115%); }
}
@keyframes curtain-open-right {
  0%   { transform: scaleX(1); }
  58%  { transform: scaleX(0.13) translateX(0); }
  100% { transform: scaleX(0.13) translateX(115%); }
}
@keyframes bar-slide-up   { to { transform: translateY(-100vh); } }
@keyframes bar-slide-down { to { transform: translateY(100vh); } }

/* ── Card Table ── */
.card-table {
  display: flex;
  flex-wrap: wrap;
  /* row-gap gives enough clearance so a lifted card doesn't overlap the row above */
  row-gap: 2.5rem;
  column-gap: 0;
  padding: 0.75rem 0.5rem 3rem;
  overflow-x: hidden;
}

.card-slot {
  /* Each slot occupies 37px in the layout — the card face overflows to the right */
  flex: 0 0 37px;
  height: 98px;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.card-slot:hover,
.card-slot:focus-visible { z-index: 10; outline: none; }

.card-face-down {
  position: absolute;
  left: 0;
  top: 0;
  width: 65px; /* wider than the 37px slot → natural overlap */
  height: 98px;
  border-radius: 4px;
  border: 1px solid var(--card-border);
  overflow: hidden;
  box-shadow: 1px 2px 6px rgba(0,0,0,0.5);
  background: var(--card-back);
}

.card-face-down img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

.card-slot.selected {
  transform: translateY(-22px);
  z-index: 20;
}

.card-slot.selected .card-face-down {
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(201,167,106,0.4), 1px 2px 8px rgba(0,0,0,0.6);
}

/* ── Card Flip ── */
.flip-card {
  perspective: 900px;
  width: 130px;
  height: 195px;
  flex-shrink: 0;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}

.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--card-border);
}

.flip-card-front { transform: rotateY(180deg); }

.flip-card-front img,
.flip-card-back  img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

.flip-card-back { background: var(--card-back); }

/* ── Spread Reveal ── */
.spread-reveal { padding-top: 0.5rem; }

.spread-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 1rem;
  max-width: 700px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .spread-grid { grid-template-columns: repeat(4, 1fr); }
}

.spread-card-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.position-label {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--label);
  text-align: center;
}

.position-label .manicule {
  display: block;
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.card-name {
  font-size: 0.92rem;
  color: var(--gold);
  text-align: center;
  font-style: italic;
}

.card-meaning {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  max-width: 280px;
  width: 100%;
}

.card-meaning p + p { margin-top: 0.6rem; }

.card-divider {
  color: var(--gold-dim);
  text-align: center;
  font-size: 1rem;
  margin: 0.5rem 0;
  letter-spacing: 0.1em;
  width: 100%;
}

.card-commentary {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
  font-style: italic;
  max-width: 280px;
  width: 100%;
}

.card-commentary p + p { margin-top: 0.6rem; }

/* ── Day Reveal ── */
.day-card-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding: 0.5rem 1.25rem 0;
  width: 100%;
}

.day-card-display .flip-card { width: 180px; height: 270px; }
.day-card-display .flip-card .flip-card-inner { width: 180px; height: 270px; }

.day-card-text { width: 100%; }

.day-card-name {
  text-align: center;
  font-size: 1.5rem;
  color: var(--gold);
  font-style: italic;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.day-card-display .card-meaning {
  font-size: 1rem;
  max-width: none;
}

.day-card-display .card-commentary {
  font-size: 1rem;
  max-width: none;
}

/* ── Pile Stacked Decks ── */
.piles-container {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  padding: 2.5rem 1rem 3rem;
  min-height: 260px;
  gap: 1rem;
}

/* ── stacked deck mode (initial) ── */
.pile-stack {
  position: relative;
  cursor: pointer;
  flex: 1;
  max-width: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.15s ease;
}

.pile-stack:hover { transform: translateY(-4px); }
.pile-stack:focus-visible { outline: 1px solid var(--gold); outline-offset: 4px; }

.stack-card {
  position: absolute;
  width: 72px;
  height: 108px;
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: var(--card-back);
  box-shadow: 2px 3px 8px rgba(0,0,0,0.55);
}

.stack-card img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Depth offset — each card peeks behind the one above */
.stack-card:nth-child(1) { transform: translate(-6px, -6px); }
.stack-card:nth-child(2) { transform: translate(-3px, -3px); }
.stack-card:nth-child(3) { transform: translate( 0px,  0px); }
.stack-card:nth-child(4) { transform: translate( 3px,  3px); }

/* Spacer so container knows height of the deck */
.stack-spacer {
  height: 120px; /* taller than the cards to account for offset */
  width: 80px;
  flex-shrink: 0;
}

.pile-label {
  text-align: center;
  margin-top: 0.75rem;
  position: relative;
  font-size: 1rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  font-style: italic;
}

/* ── Full-screen fan mode (after pile selected) ── */
.fan-mode {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 0 2rem;
  min-height: calc(100vh - 80px);
  gap: 0;
}

.fan-row {
  position: relative;
  width: 100%;
  height: 200px;
  margin-bottom: 0.5rem;
}

.fan-card-full {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 68px;
  height: 102px;
  margin-left: -34px;
  /* Pivot point 180px below card bottom → large radius arc */
  transform-origin: 50% calc(100% + 180px);
  transform: rotate(var(--angle, 0deg));
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: var(--card-back);
  box-shadow: 1px 2px 6px rgba(0,0,0,0.5);
  cursor: pointer;
  transition: box-shadow 0.15s, transform 0.15s;
}

.fan-card-full img {
  width: 100%; height: 100%;
  object-fit: cover; pointer-events: none;
}

.fan-card-full:hover {
  box-shadow: 0 0 12px rgba(201,167,106,0.4), 1px 2px 10px rgba(0,0,0,0.6);
}

/* Second fan row sits higher to avoid overlap */
.fan-row:first-child { margin-bottom: 1.5rem; }

/* ── Live Relationship Diagram ── */
.spread-diagram-live {
  padding: 2rem 1.25rem 1rem;
  border-top: 1px solid var(--card-border);
  margin-top: 1rem;
}

.diagram-title {
  text-align: center;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--label);
  margin-bottom: 1.75rem;
}

/* Triangle container */
.diagram-triangle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* Row with two slots (YOU + OTHER) */
.diagram-row-pair {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  width: 100%;
}

/* Row with one centred slot */
.diagram-row-single {
  display: flex;
  justify-content: center;
}

/* Horizontal line between YOU and OTHER */
.diagram-hline {
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--card-border);
  margin-top: 40px; /* align with middle of card slot */
  align-self: flex-start;
}

/* Vertical connector between rows */
.diagram-vline {
  width: 1px;
  height: 28px;
  background: var(--card-border);
}

/* Individual position slot */
.diagram-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  min-width: 70px;
  max-width: 100px;
  text-align: center;
}

.slot-pos-label {
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--label);
  white-space: nowrap;
}

/* Card placeholder / filled card */
.slot-card-wrap {
  width: 52px;
  height: 78px;
  border-radius: 3px;
  overflow: hidden;
  border: 1px dashed var(--card-border);
  background: rgba(255,255,255,0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s;
}

.slot-card-wrap.filled {
  border-style: solid;
  border-color: var(--gold-dim);
}

.slot-placeholder {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--card-border);
}

.slot-card-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slot-card-name {
  font-size: 1rem;
  color: var(--gold);
  font-style: italic;
  min-height: 1.1em;
  line-height: 1.3;
}

/* ── Spread Detail (revealed after 4 cards chosen) ── */
.spread-detail {
  padding: 0 1.25rem 3rem;
}

.spread-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* Each detailed card item */
.spread-detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-pos-label {
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--label);
}

.detail-pos-sub {
  font-size: 1rem;
  color: var(--muted);
  font-style: italic;
  margin-top: -0.4rem;
}

.detail-card-name {
  font-size: 1.3rem;
  color: var(--gold);
  font-style: italic;
}

.detail-card-image {
  align-self: flex-start;
}

.detail-meaning {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
}

.detail-meaning p + p { margin-top: 0.7rem; }

.detail-divider {
  color: var(--gold-dim);
  font-size: 1rem;
  letter-spacing: 0.1em;
  margin: 0.25rem 0;
}

.detail-commentary {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  font-style: italic;
}

.detail-commentary p + p { margin-top: 0.7rem; }

/* ── Fan card selection rise overlay ── */
.fan-card-rise-overlay {
  border-radius: 5px;
  overflow: hidden;
  border: 1px solid var(--gold);
  box-shadow: 0 0 18px rgba(201,167,106,0.35), 2px 4px 14px rgba(0,0,0,0.7);
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              opacity   0.55s ease;
}
.fan-card-rise-overlay.rising {
  transform: translateY(-130px) scale(2.6);
  opacity: 0;
}