/* ============================================================
   CHIMERA – Cabinet of Impossible Creatures
   style.css
   ============================================================ */

/* ── Local Fonts ── */
@font-face {
  font-family: 'IBM Plex Serif';
  src: url('fonts/IBM_Plex_Serif/IBMPlexSerif-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'IBM Plex Serif';
  src: url('fonts/IBM_Plex_Serif/IBMPlexSerif-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
}
@font-face {
  font-family: 'IBM Plex Serif';
  src: url('fonts/IBM_Plex_Serif/IBMPlexSerif-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}
@font-face {
  font-family: 'IBM Plex Serif';
  src: url('fonts/IBM_Plex_Serif/IBMPlexSerif-MediumItalic.ttf') format('truetype');
  font-weight: 500;
  font-style: italic;
}

@font-face {
  font-family: 'PT Serif';
  src: url('fonts/PT_Serif/PTSerif-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'PT Serif';
  src: url('fonts/PT_Serif/PTSerif-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
}
@font-face {
  font-family: 'PT Serif';
  src: url('fonts/PT_Serif/PTSerif-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}
@font-face {
  font-family: 'PT Serif';
  src: url('fonts/PT_Serif/PTSerif-BoldItalic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
}

@font-face {
  font-family: 'Meddon';
  src: url('fonts/Meddon/Meddon-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}

/* ── Variables ── */
:root {
  --canvas-bg:      #EDE4CC;
  --canvas-dot:     rgba(160, 140, 100, 0.22);
  --sidebar-bg:     #F7F3E9;
  --sidebar-border: #D8CEBC;

  --ink:            #532b02;
  --ink-mid:        #584330;
  --ink-faint:      #756050; /* darkened for WCAG AA 4.5:1 on both backgrounds */

  --accent:         #3A2A18;      /* summon button */
  --accent-hover:   #2A1A08;

  --selection:      #8B6F4E;
  --toolbar-bg:     rgba(242, 236, 220, 0.97);

  --radius:         6px;
  --font-serif:     'IBM Plex Serif', Georgia, serif;
  --font-title:     'PT Serif', Georgia, serif;
  --font-hand:      'Meddon', cursive;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-serif);
  background: var(--canvas-bg);
  color: var(--ink);
}

/* ── App shell ── */
.app {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ── Canvas Area ── */
.canvas-area {
  flex: 1;
  position: relative;
  min-width: 0;
  overflow: hidden;
}

.drawing-canvas {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;

  /* Parchment background with subtle dot grid */
  background-color: var(--canvas-bg);
  background-image: radial-gradient(circle, var(--canvas-dot) 1px, transparent 1px);
  background-size: 22px 22px;

  cursor: default;
}

/* ── Layer elements (draggable body parts) ── */
.layer-element {
  position: absolute;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  /* transform-origin is 50% 50% by default — we rely on this */
  will-change: transform;
  transition: outline 0.1s;
}

.layer-element:active,
.dragging .layer-element { cursor: grabbing; }

.layer-element img {
  display: block;
  max-width: 220px;
  max-height: 220px;
  object-fit: contain;
  pointer-events: none;
  -webkit-user-drag: none;
}

/* Tighter size for paired parts */
.layer-element[data-layer="wing-right"] img,
.layer-element[data-layer="wing-left"] img  { max-width: 200px; max-height: 180px; }

.layer-element[data-layer="arm-right"] img,
.layer-element[data-layer="arm-left"] img   { max-width: 110px; max-height: 130px; }

.layer-element[data-layer="leg-right"] img,
.layer-element[data-layer="leg-left"] img   { max-width: 120px; max-height: 150px; }

.layer-element[data-layer="head"] img       { max-width: 140px; max-height: 130px; }
.layer-element[data-layer="body"] img       { max-width: 190px; max-height: 220px; }

/* Hover + selection ring – same dashed border, hover at 50% opacity */
.layer-element::after {
  content: '';
  position: absolute;
  inset: -6px;
  border: 1.5px dashed var(--selection);
  border-radius: 3px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.layer-element:hover::after  { opacity: 0.5; }
.layer-element.selected::after { opacity: 1; }

/* ── Onboarding hint ── */
.canvas-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  background: rgba(34, 22, 10, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 30px;
  color: #F5EDD8;
  font-family: var(--font-serif);
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0.03em;
  white-space: nowrap;
  pointer-events: none;
  z-index: 200;

  opacity: 1;
  transition: opacity 0.6s ease;
}

.canvas-hint.fade-out { opacity: 0; }

.canvas-hint svg { flex-shrink: 0; opacity: 0.8; }

/* ── Selection Toolbar ── */
.selection-toolbar {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);

  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--toolbar-bg);
  border: 1px solid var(--sidebar-border);
  border-radius: 40px;
  box-shadow: 0 4px 24px rgba(30,15,0,0.13);
  white-space: nowrap;
  z-index: 500;
}

.selection-toolbar.visible {
  transform: translateX(-50%) translateY(0);
}

.toolbar-part-label {
  font-family: var(--font-serif);
  font-size: 12px;
  font-style: italic;
  color: var(--ink-mid);
  letter-spacing: 0.04em;
  padding-right: 6px;
  border-right: 1px solid var(--sidebar-border);
  margin-right: 4px;
  min-width: 40px;
  text-align: right;
}

.toolbar-controls {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-divider {
  width: 1px;
  height: 28px;
  background: var(--sidebar-border);
  margin: 0 4px;
}

.tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 9px;
  background: none;
  border: none;
  border-radius: var(--radius);
  color: var(--ink-mid);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.tool-btn span {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.03em;
}

.tool-btn:hover {
  background: rgba(90, 65, 40, 0.09);
  color: var(--ink);
}

.tool-btn:active {
  background: rgba(90, 65, 40, 0.18);
}

/* ── Sidebar ── */
.sidebar {
  flex-shrink: 0;
  width: 268px;
  display: flex;
  flex-direction: column;
  background: var(--sidebar-bg);
  border-left: 1px solid var(--sidebar-border);
  overflow: hidden;
}

/* ── Sidebar Header ── */
.sidebar-header {
  padding: 26px 22px 18px;
  border-bottom: 1px solid var(--sidebar-border);
}

.title-chimera {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: 0.18em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}

.subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-mid);
  letter-spacing: 0.01em;
  line-height: 1.4;
  margin-bottom: 16px;
}

.name-field {
  border-bottom: 1px solid var(--sidebar-border);
  padding-bottom: 4px;
}

.creature-name-input {
  width: 100%;
  font-family: var(--font-hand);
  font-size: 20px;
  color: var(--ink);
  background: none;
  border: none;
  outline: none;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.creature-name-input::placeholder {
  color: var(--ink-faint);
  font-size: 16px;
  letter-spacing: 0.12em;
}


/* ── Layer List ── */
.layer-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;

  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--sidebar-border) transparent;
}

.layer-list::-webkit-scrollbar { width: 4px; }
.layer-list::-webkit-scrollbar-thumb { background: var(--sidebar-border); border-radius: 2px; }

.layer-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 14px;
  border-bottom: 1px solid rgba(210, 198, 178, 0.4);
  transition: background 0.1s;
}

.layer-item:hover { background: rgba(210, 198, 178, 0.25); }

.layer-item.selected {
  background: rgba(139, 111, 78, 0.14);
  border-left: 3px solid var(--selection);
  padding-left: 11px; /* compensate for the border so content doesn't shift */
}

.layer-item.hidden-layer { opacity: 0.42; }

.layer-thumb {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--sidebar-border);
  border-radius: 4px;
  overflow: hidden;
  background: var(--canvas-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.layer-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.layer-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.layer-type {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.2;
}

.layer-animal {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.layer-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.layer-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-radius: 4px;
  color: var(--ink-faint);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.layer-btn:hover {
  background: rgba(90, 65, 40, 0.1);
  color: var(--ink);
}

.layer-btn.eye-btn.active { color: var(--ink); }

/* ── Summon Button ── */
.btn-summon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 14px 16px 10px;
  padding: 11px 14px;
  background: var(--accent);
  color: #F5EDD8;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn-summon:hover  { background: var(--accent-hover); }
.btn-summon:active { transform: scale(0.98); }

/* ── Action Buttons (Download / Share) ── */
.action-buttons {
  display: flex;
  gap: 8px;
  padding: 0 16px 14px;
}

.btn-action {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 10px;
  background: none;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius);
  color: var(--ink-mid);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.btn-action:hover {
  background: rgba(90, 65, 40, 0.07);
  color: var(--ink);
  border-color: var(--ink-mid);
}

.btn-action.copied {
  color: #4a7a4a;
  border-color: #4a7a4a;
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(30, 18, 6, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 36px;
  background: #F7F3E9;
  border: 1px solid var(--sidebar-border);
  border-radius: 10px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);

  transform: scale(0.92);
  transition: transform 0.22s cubic-bezier(0.34, 1.4, 0.64, 1);
  max-width: min(480px, 90vw);
}

.lightbox.open .lightbox-figure {
  transform: scale(1);
}

.lightbox-figure img {
  max-width: 360px;
  max-height: 56vh;
  object-fit: contain;
  display: block;
}

.lightbox-figure figcaption {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--ink-mid);
  letter-spacing: 0.02em;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 243, 233, 0.15);
  border: 1px solid rgba(247, 243, 233, 0.3);
  border-radius: 50%;
  color: #F7F3E9;
  cursor: pointer;
  transition: background 0.15s;
}

.lightbox-close:hover {
  background: rgba(247, 243, 233, 0.28);
}

/* Thumbnail is clickable */
.layer-thumb { cursor: zoom-in; }

/* ── Introduction Overlay ── */
.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;

  background: rgba(30, 18, 6, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);

  opacity: 1;
  transition: opacity 0.55s ease;
}

.intro-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

/* Card – same language as the lightbox figure */
.intro-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 560px;
  padding: 32px 36px 28px;
  background: #F7F3E9;
  border: 1px solid var(--sidebar-border);
  border-radius: 10px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.35);

  transform: scale(0.94);
  transition: transform 0.3s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.intro-overlay:not(.fade-out) .intro-content {
  transform: scale(1);
}

/* Specimen image strip */
.intro-specimens {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 0;
  margin-bottom: 0;
}

.intro-img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  transform: rotate(var(--r, 0deg)) translateY(var(--y, 0px));
  mix-blend-mode: multiply;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.intro-img.visible {
  opacity: 1;
}

.intro-rule {
  width: 100%;
  height: 1px;
  background: var(--sidebar-border);
  margin: 18px 0 20px;
}

/* Text block */
.intro-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.intro-title {
  font-family: var(--font-title);
  font-weight: 400;
  font-size: 32px;
  letter-spacing: 0.22em;
  color: var(--ink);
  line-height: 1;
}

.intro-text .intro-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  color: var(--ink-mid);
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.intro-body {
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-mid);
  max-width: 400px;
  letter-spacing: 0.01em;
}

.intro-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 16px;
  padding: 11px 24px;
  background: var(--accent);
  color: #F5EDD8;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.intro-btn:hover  { background: var(--accent-hover); }
.intro-btn:active { transform: scale(0.97); }

/* ── Gallery link button ── */
.btn-gallery {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 10px;
  background: none;
  border: 1px solid var(--sidebar-border);
  border-radius: var(--radius);
  color: var(--ink-mid);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.03em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.btn-gallery:hover {
  background: rgba(90, 65, 40, 0.07);
  color: var(--ink);
  border-color: var(--ink-mid);
}

/* ── Attribution ── */
.attribution {
  padding: 0 16px 16px;
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.attribution a {
  color: var(--ink-faint);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.12s;
}

.attribution a:hover { color: var(--ink-mid); }