/* =========================================================
   挿絵ツール（PWA）- ouchicanvas風 明るく温かいテーマ
   ベース：クリーム背景 / 茶色テキスト / 緑アクセント / 黄色サブ
   キャラ：要所に配置、見やすさ重視で控えめ
   ========================================================= */

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

:root {
  --bg: #fbf6ec;
  --bg-soft: #f6efde;
  --surface: #ffffff;
  --surface-2: #fdf9f0;
  --surface-green: #eef7e1;
  --border: #e8dcc4;
  --border-soft: #f0e6d0;
  --border-strong: #d6c4a0;

  --text: #3e2c1d;
  --text-mute: #826b54;
  --text-soft: #5a4937;
  --text-faint: #9d8d7a;

  --primary: #5fa83d;          /* 緑 */
  --primary-hi: #4a8d3f;
  --primary-deep: #3b7a30;
  --primary-soft: #e2efd0;
  --primary-softer: #f0f7e2;

  --brown: #8b6c4a;            /* 茶色アクセント */
  --brown-deep: #5a4329;
  --brown-soft: #f3e8d6;

  --accent-yellow: #f4c430;
  --accent-yellow-soft: #fdf3c8;
  --accent-orange: #e8893d;
  --accent-orange-soft: #fce0c8;

  --success: #5fa83d;
  --success-soft: #e2efd0;
  --warn: #e8893d;
  --warn-soft: #fce0c8;
  --danger: #d65a47;
  --danger-soft: #f7d8d2;
  --info: #4a8a9c;
  --info-soft: #d4e6ed;

  --shadow-sm: 0 1px 4px rgba(78, 60, 38, 0.06);
  --shadow: 0 2px 12px rgba(78, 60, 38, 0.07);
  --shadow-md: 0 4px 20px rgba(78, 60, 38, 0.1);
  --shadow-lg: 0 8px 28px rgba(78, 60, 38, 0.14);

  --header-h: 60px;
  --bottombar-h: 64px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

html, body {
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo', sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  min-height: 100dvh;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(95, 168, 61, 0.06), transparent 35%),
    radial-gradient(circle at 88% 92%, rgba(244, 196, 48, 0.06), transparent 38%);
  background-attachment: fixed;
}

code {
  background: var(--brown-soft);
  color: var(--brown-deep);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.85em;
  font-family: 'SF Mono', Consolas, monospace;
}

button { font-family: inherit; }

.hide { display: none !important; }

/* ===== App shell ============================================ */

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 246, 236, 0.9);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
  padding-top: var(--safe-top);
}

.app-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 calc(20px + var(--safe-left)) 0 calc(20px + var(--safe-right));
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.app-brand-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-hi));
  color: #fff;
  border-radius: 12px;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(95, 168, 61, 0.3);
}

.app-brand-text { min-width: 0; }
.app-brand-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--brown-deep);
  line-height: 1.2;
  letter-spacing: 0.01em;
}
.app-brand-sub { font-size: 11px; color: var(--text-mute); margin-top: 2px; }

.app-header-action {
  background: var(--accent-yellow);
  color: var(--brown-deep);
  border: none;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 3px 0 #d4a514, var(--shadow);
  transition: transform 0.12s, box-shadow 0.12s;
}
.app-header-action:hover { transform: translateY(-1px); box-shadow: 0 4px 0 #d4a514, var(--shadow-md); }
.app-header-action:active { transform: translateY(2px); box-shadow: 0 1px 0 #d4a514, var(--shadow-sm); }

.app-main {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px calc(20px + var(--safe-right)) 32px calc(20px + var(--safe-left));
}

/* モバイル下部固定アクションバー */
.app-bottombar {
  position: sticky;
  bottom: 0;
  z-index: 90;
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px calc(16px + var(--safe-right)) calc(10px + var(--safe-bottom)) calc(16px + var(--safe-left));
  background: rgba(251, 246, 236, 0.94);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -4px 16px rgba(78, 60, 38, 0.05);
}
.app-bottombar .btn { flex: 1; padding: 14px; font-size: 14px; }
.app-bottombar-counter {
  font-size: 13px;
  color: var(--text-soft);
  min-width: 64px;
  text-align: center;
  line-height: 1.2;
}
.app-bottombar-counter b { font-size: 17px; color: var(--brown-deep); display: block; }
.app-bottombar-counter .sep { display: none; }

/* ===== Step card ============================================ */

.step-card {
  position: relative;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  margin-bottom: 24px;
  text-align: center;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.step-card.active {
  border-color: var(--primary);
  background:
    linear-gradient(135deg, rgba(255,255,255,1), rgba(238, 247, 225, 0.4));
}
.step-card.done {
  border-color: var(--primary);
  background:
    linear-gradient(135deg, var(--surface-green), rgba(255,255,255,0.5));
}
.step-card .step-num {
  display: inline-block;
  background: var(--accent-yellow);
  color: var(--brown-deep);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  box-shadow: 0 2px 0 rgba(212, 165, 20, 0.6);
}
.step-card.done .step-num { background: var(--primary); color: #fff; box-shadow: 0 2px 0 var(--primary-deep); }
.step-card h3 {
  font-size: 19px;
  margin-bottom: 8px;
  color: var(--brown-deep);
  font-weight: 800;
}
.step-card p {
  font-size: 13.5px;
  color: var(--text-soft);
  margin-bottom: 18px;
  line-height: 1.6;
}

/* キャラを STEP 1 の右上に */
.step-card-char {
  position: absolute;
  right: 14px;
  top: 14px;
  width: 90px;
  height: auto;
  pointer-events: none;
  user-select: none;
  filter: drop-shadow(0 6px 8px rgba(78, 60, 38, 0.12));
  transform-origin: bottom center;
  animation: cheerBounce 2.6s ease-in-out infinite;
  z-index: 1;
}
@keyframes cheerBounce {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-6px) rotate(2deg); }
}

/* ===== Input tabs (STEP 1) =================================== */

.input-tabs {
  display: inline-flex;
  background: var(--bg-soft);
  border: 1.5px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  margin-bottom: 14px;
  gap: 2px;
}
.input-tab {
  background: transparent;
  border: none;
  color: var(--text-mute);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.input-tab:hover { color: var(--brown-deep); }
.input-tab.active {
  background: var(--surface);
  color: var(--primary-deep);
  box-shadow: var(--shadow-sm);
}

.input-pane { animation: paneFade 0.2s ease-out; }
@keyframes paneFade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* タイトル入力 */
.title-input {
  display: block;
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text);
  margin-bottom: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.title-input::placeholder { color: var(--text-faint); }
.title-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

/* テキスト貼り付けエリア */
.paste-area {
  display: block;
  width: 100%;
  min-height: 180px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 13.5px;
  font-family: 'SF Mono', Consolas, 'Hiragino Sans', monospace;
  color: var(--text);
  line-height: 1.7;
  resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
  text-align: left;
}
.paste-area::placeholder {
  color: var(--text-faint);
  white-space: pre;
}
.paste-area:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.paste-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.paste-actions .btn { padding: 11px 22px; font-size: 13px; }
.paste-hint {
  font-size: 11.5px;
  color: var(--text-mute);
  text-align: center;
}
.paste-hint code {
  font-size: 0.95em;
  padding: 1px 5px;
}

/* ===== Drop areas =========================================== */

.map-drop {
  display: block;
  background: var(--surface-2);
  border: 2px dashed var(--primary);
  border-radius: 14px;
  padding: 24px 16px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 13.5px;
  color: var(--text-soft);
  -webkit-tap-highlight-color: transparent;
}
.map-drop:hover, .map-drop.drag {
  border-color: var(--primary-hi);
  background: var(--primary-softer);
  color: var(--brown-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.map-drop b { color: var(--brown-deep); }
.map-drop input[type="file"] { display: none; }

/* ===== Map loaded ========================================== */

.map-loaded {
  position: relative;
  background:
    linear-gradient(135deg, var(--surface-green), #fffefb);
  border: 2px solid var(--primary);
  border-radius: 16px;
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.map-loaded::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  background: var(--primary);
}
.map-loaded .icon { font-size: 22px; }
.map-loaded .info { flex: 1; min-width: 0; }
.map-loaded .title {
  font-size: 14px;
  color: var(--brown-deep);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.map-loaded .meta { font-size: 12px; color: var(--text-mute); margin-top: 3px; }
.map-loaded button {
  background: var(--surface);
  color: var(--text-soft);
  border: 1.5px solid var(--border-strong);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.map-loaded button:hover {
  background: var(--brown-soft);
  border-color: var(--brown);
  color: var(--brown-deep);
}

/* ===== How-to ============================================== */

.howto {
  position: relative;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 18px;
  padding: 20px 24px;
  margin-bottom: 24px;
  font-size: 13.5px;
  color: var(--text-soft);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.howto > b {
  display: block;
  color: var(--brown-deep);
  font-size: 15px;
  margin-bottom: 4px;
}
.howto ol {
  margin: 8px 0 0 20px;
  padding-right: 160px;
}
.howto li {
  margin: 8px 0;
  line-height: 1.7;
}
.howto li::marker { color: var(--primary); font-weight: 700; }
.howto .hi {
  color: var(--primary-deep);
  font-weight: 700;
  background: var(--primary-softer);
  padding: 1px 6px;
  border-radius: 4px;
}

.howto-char {
  position: absolute;
  right: -10px;
  bottom: -6px;
  width: 200px;
  height: auto;
  pointer-events: none;
  user-select: none;
  opacity: 0.95;
  filter: drop-shadow(0 4px 8px rgba(78, 60, 38, 0.1));
}

/* ===== Bulk drop =========================================== */

.bulk-drop {
  display: block;
  background: var(--surface-2);
  border: 2px dashed var(--border-strong);
  border-radius: 14px;
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 18px;
  transition: all 0.15s;
  font-size: 13.5px;
  color: var(--text-mute);
  -webkit-tap-highlight-color: transparent;
}
.bulk-drop:hover, .bulk-drop.drag {
  border-color: var(--primary);
  background: var(--primary-softer);
  color: var(--brown-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.bulk-drop b { color: var(--brown-deep); }
.bulk-drop input[type="file"] { display: none; }

/* ===== Controls ============================================ */

.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
  align-items: center;
}
.btn {
  padding: 13px 22px;
  border: none;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}
.btn-zip {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 3px 0 var(--primary-deep), var(--shadow);
}
.btn-zip:hover:not(:disabled) {
  background: var(--primary-hi);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--primary-deep), var(--shadow-md);
}
.btn-zip:active:not(:disabled) {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--primary-deep), var(--shadow-sm);
}
.btn-secondary {
  background: var(--surface);
  color: var(--text-soft);
  border: 2px solid var(--border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--brown-soft);
  border-color: var(--brown);
  color: var(--brown-deep);
}

.counter {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-mute);
}
.counter b { color: var(--brown-deep); font-size: 19px; }

/* ===== Progress ============================================ */

.progress {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 18px;
  display: none;
  box-shadow: var(--shadow-sm);
}
.progress.show { display: block; }
.progress .label { font-size: 12.5px; color: var(--text-mute); margin-bottom: 8px; font-weight: 600; }
.progress .bar {
  height: 8px;
  background: var(--bg-soft);
  border-radius: 4px;
  overflow: hidden;
}
.progress .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent-yellow));
  transition: width 0.3s;
  width: 0%;
  border-radius: 4px;
}

/* ===== Slot grid =========================================== */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.slot {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  transition: all 0.15s;
  box-shadow: var(--shadow-sm);
}
.slot.mapped { border-color: var(--primary); box-shadow: var(--shadow); }
.slot.mapped.F { border-color: var(--info); }
.slot.mapped.W { border-color: var(--primary); }
.slot.mapped.B { border-color: var(--accent-orange); }
.slot.mapped.S { border-color: var(--brown); }

.slot-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 11px;
  flex-wrap: wrap;
}
.slot-num {
  background: var(--bg-soft);
  color: var(--text-soft);
  padding: 3px 9px;
  border-radius: 6px;
  font-weight: 700;
  font-family: 'SF Mono', Consolas, monospace;
  border: 1px solid var(--border);
}
.slot.mapped .slot-num {
  background: var(--primary-softer);
  color: var(--primary-deep);
  border-color: var(--primary-soft);
}
.slot-size {
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.slot-size.F { background: var(--info-soft); color: var(--info); }
.slot-size.W { background: var(--primary-soft); color: var(--primary-deep); }
.slot-size.B { background: var(--accent-orange-soft); color: var(--accent-orange); }
.slot-size.S { background: var(--brown-soft); color: var(--brown-deep); }

.slot-body { margin-bottom: 8px; }
.slot-preview-wrap {
  position: relative;
  background: var(--bg-soft);
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-soft);
}
.slot-preview {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}
.slot-empty {
  aspect-ratio: 16 / 9;
  border: 2px dashed var(--border-strong);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--surface-2);
  color: var(--text-faint);
}
.slot-empty:hover, .slot-empty.drag {
  border-color: var(--primary);
  background: var(--primary-softer);
  color: var(--primary-deep);
}
.slot-empty .icon { font-size: 22px; }
.slot-empty .lbl { font-size: 11px; font-weight: 600; }

.slot-actions {
  margin-top: 6px;
  display: flex;
  gap: 4px;
  justify-content: flex-end;
  opacity: 0;
  transition: opacity 0.15s;
}
.slot.mapped:hover .slot-actions,
.slot.mapped:focus-within .slot-actions { opacity: 1; }

.icon-btn {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-soft);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.12s;
}
.icon-btn:hover {
  background: var(--brown-soft);
  border-color: var(--brown);
  color: var(--brown-deep);
}
.icon-btn.danger:hover {
  background: var(--danger-soft);
  border-color: var(--danger);
  color: var(--danger);
}

.slot-foot { font-size: 11.5px; }
.slot-title {
  color: var(--text-soft);
  margin-bottom: 5px;
  line-height: 1.4;
  font-weight: 500;
}
.slot-filename {
  color: var(--text-faint);
  font-family: 'SF Mono', Consolas, monospace;
  font-size: 10.5px;
  background: var(--bg-soft);
  padding: 4px 8px;
  border-radius: 5px;
  word-break: break-all;
  line-height: 1.4;
  border: 1px solid var(--border-soft);
}

/* ===== Status bar =========================================== */

.status {
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 600;
  display: none;
  box-shadow: var(--shadow-sm);
  border: 2px solid;
}
.status.show { display: block; }
.status.success { background: var(--success-soft); border-color: var(--success); color: var(--primary-deep); }
.status.warn { background: var(--warn-soft); border-color: var(--warn); color: #a05010; }
.status.error { background: var(--danger-soft); border-color: var(--danger); color: #a23a2c; }
.status.info { background: var(--info-soft); border-color: var(--info); color: #2e6373; }

/* ===== Mobile breakpoints =================================== */

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .slot.mapped .slot-actions { opacity: 1; }
  .step-card-char { width: 80px; }
  .howto-char { width: 160px; opacity: 0.8; }
  .howto ol { padding-right: 130px; }
}

@media (max-width: 640px) {
  .app-main { padding: 16px 14px 24px; }
  .step-card { padding: 22px 18px; }
  .step-card h3 { font-size: 17px; padding-right: 70px; }
  .step-card-char { width: 64px; right: 12px; top: 12px; }
  .input-tabs { width: 100%; display: flex; }
  .input-tab { flex: 1; padding: 10px 8px; font-size: 12.5px; }
  .paste-area { min-height: 220px; font-size: 14px; }
  .paste-actions { flex-direction: column; align-items: stretch; }
  .paste-actions .btn { width: 100%; }
  .grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .map-loaded {
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
    padding-left: 22px;
  }
  .map-loaded .info { flex: 1 1 calc(100% - 36px); }
  .map-loaded button { flex: 1 1 100%; }
  .controls .counter { width: 100%; margin-left: 0; text-align: right; }
  .controls .btn-zip { display: none; }
  .controls .counter b { display: inline; }
  .app-bottombar { display: flex; }
  .app-bottombar-counter .sep { display: inline; }
  .app-bottombar-counter b { display: inline; font-size: 14px; }
  .howto { padding: 16px 18px; }
  .howto ol { padding-right: 0; }
  .howto-char {
    position: static;
    display: block;
    width: 180px;
    margin: 8px auto -10px;
    opacity: 0.95;
  }
}

@media (max-width: 380px) {
  .grid { grid-template-columns: 1fr; }
  .app-brand-sub { display: none; }
  .app-header-action { padding: 7px 12px; font-size: 11px; }
  .step-card-char { width: 56px; }
}

@media (hover: none) {
  .slot.mapped .slot-actions { opacity: 1; }
  .icon-btn { width: 34px; height: 34px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .step-card-char { animation: none; }
}