/* =====================================================
🎨 カラーパレット（テーマカラー）
===================================================== */
:root {
  --a: #F23A30; /* 赤 */
  --b: #FAFAFA; /* 白 */
  --c: #56a09b; /* 青 */
  --d: #71752B; /* 緑 */
  --e: #191919; /* 黒 */
  --f: #F5F2E4; /* クリーム */
  --radius:      14px;
  --radius-lg:   20px;
  --radius-pill: 999px;
  --shadow:      0 2px 10px rgba(25, 25, 25, 0.06);
  --shadow-lg:   0 6px 28px rgba(25, 25, 25, 0.10);
}

body {
  margin: 0; padding: 0;
  background: var(--f); color: var(--e);
  font-family: 'Hiragino Sans', 'Yu Gothic UI', sans-serif;
  min-height: 100vh;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}

.app-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--f);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--e) 12%, var(--f));
  isolation: isolate;
}
.header-row { max-width: 920px; margin: 0 auto; padding: 14px 20px 10px; display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.header-logo { font-size: 22px; }
.header-name { font-size: 18px; font-weight: 600; color: var(--e); letter-spacing: 0.04em; }

.tabs { max-width: 920px; margin: 0 auto; padding: 0 20px 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.tab-btn { background: transparent; padding: 9px 18px; font-family: inherit; font-size: 14px; color: color-mix(in srgb, var(--e) 50%, var(--f)); border-radius: var(--radius-pill); border: none; cursor: pointer; transition: background 0.18s, color 0.18s; font-weight: 500; }
.tab-btn:hover { background: color-mix(in srgb, var(--f) 80%, var(--e) 6%); color: var(--e); }
.tab-btn.active { background: var(--e); color: var(--f); font-weight: 600; }

.app-main { max-width: 920px; margin: 0 auto; padding: 24px 20px 60px; position: relative; z-index: 1; }

.stage { background: var(--b); border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); padding: clamp(14px, 3vw, 22px); gap: clamp(10px, 2vw, 14px); display: flex; flex-direction: column; width: min(720px, 100vw); margin: 0 auto; box-sizing: border-box; }
.message { display: flex; align-items: center; gap: min(10px, 1.4vw); animation: message-in 0.45s cubic-bezier(0.34, 1.56, 0.64, 1); }
.message.face-right { flex-direction: row; }
.message.face-left { flex-direction: row-reverse; }
.message-icon { flex-shrink: 0; width: min(44px, 6.1vw); height: min(44px, 6.1vw); display: flex; align-items: center; justify-content: center; color: var(--b); font-weight: bold; font-size: min(18px, 2.5vw); }

.message-bubble { width: fit-content; max-width: calc(100% - min(60px, 8.3vw)); border-radius: 8px; padding: min(10px, 1.4vw) min(14px, 1.9vw); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); font-family: 'M PLUS 1 Code', monospace; position: relative; min-height: min(36px, 5vw); display: flex; flex-direction: column; gap: min(8px, 1.1vw); box-sizing: border-box; }
.bubble-buttons { display: flex; gap: min(4px, 0.55vw); }
.btn-dot { width: min(8px, 1.1vw); height: min(8px, 1.1vw); border-radius: 50%; display: inline-block; }
.btn-dot:nth-child(1) { background: #ff5f57; }
.btn-dot:nth-child(2) { background: #ffbd2e; }
.btn-dot:nth-child(3) { background: #28c840; }
.bubble-text { font-family: 'M PLUS 1 Code', 'Consolas', 'Menlo', 'Courier New', monospace; font-size: min(16px, 2.1vw); letter-spacing: 0.1em; line-height: 1.5; word-break: break-word; white-space: pre-wrap; max-width: 30em; }
.bubble-text .prompt { font-size: min(14px, 1.5vw); letter-spacing: 0em; font-weight: bold; margin-right: 6px; }

@keyframes shake-x { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-2px); } 40% { transform: translateX(1.5px); } 60% { transform: translateX(-1.5px); } 80% { transform: translateX(2px); } }
.message-icon.emotion-angry { animation: shake-x 0.12s linear infinite; }
@keyframes bounce-up { 0%, 70%, 100% { transform: translateY(0); } 30%, 50% { transform: translateY(-6px); } }
.message-icon.emotion-happy { animation: bounce-up 0.5s cubic-bezier(0.5, 0, 0.5, 1) infinite; }
@keyframes shrink-sad { 0% { transform: scale(1) translateY(0); } 100% { transform: scale(0.85) translateY(3px); } }
.message-icon.emotion-sad { animation: shrink-sad 0.7s ease-out forwards; }
@keyframes proud-breathe { 0%, 100% { transform: scale(1.1) translateY(0); } 50% { transform: scale(1.1) translateY(-2px); } }
.message-icon.emotion-proud { animation: proud-breathe 1.2s ease-in-out infinite; }
@keyframes surprise-jump { 0% { transform: scale(1) translateY(0); } 20% { transform: scale(1.15) translateY(-8px); } 40% { transform: scale(1) translateY(0); } 50% { transform: translateX(-1.5px); } 70% { transform: translateX(1.5px); } 90% { transform: translateX(-1px); } 100% { transform: translateX(0); } }
.message-icon.emotion-surprise { animation: surprise-jump 1s ease-out infinite; }
@keyframes fall-right { 0% { transform: scale(1) rotate(0deg) translateY(0); } 30% { transform: scale(1) rotate(0deg) translateY(2px); } 100% { transform: scale(1) rotate(85deg) translateY(-8px); } }
@keyframes fall-left { 0% { transform: scale(1) rotate(0deg) translateY(0); } 30% { transform: scale(1) rotate(0deg) translateY(2px); } 100% { transform: scale(1) rotate(-85deg) translateY(-8px); } }
.message-icon.emotion-fall.face-right { animation: fall-right 0.7s ease-out forwards; }
.message-icon.emotion-fall.face-left { animation: fall-left 0.7s ease-out forwards; }

.controls { margin-top: 18px; text-align: center; }
.replay-btn { background: var(--e); color: var(--f); border: none; padding: 12px 30px; border-radius: var(--radius-pill); font-size: 14px; font-family: inherit; font-weight: 600; cursor: pointer; box-shadow: var(--shadow); transition: transform 0.12s, box-shadow 0.18s; }
.replay-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.replay-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.editor { background: var(--b); padding: 22px; border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.editor h2 { margin: 0; font-size: 17px; color: var(--e); letter-spacing: 0.04em; }
.editor select { border-radius: var(--radius-pill); border: 1px solid color-mix(in srgb, var(--e) 22%, var(--f)); background: var(--f); padding: 8px 14px; color: var(--e); cursor: pointer; }
.msg-row { display: grid; grid-template-columns: auto auto 1fr 1fr auto; align-items: start; gap: 10px; padding: 14px; margin-bottom: 12px; background: var(--f); border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.msg-index { width: 28px; height: 28px; border-radius: 50%; background: var(--e); color: var(--f); font-size: 13px; font-weight: 600; display: flex; align-items: center; justify-content: center; }
.msg-move-group { display: flex; flex-direction: column; gap: 2px; }
.msg-move-btn { width: 28px; height: 22px; border: 1px solid color-mix(in srgb, var(--e) 22%, var(--f)); border-radius: 6px; background: var(--b); color: var(--e); font-size: 11px; cursor: pointer; transition: background 0.12s; }
.msg-move-btn:hover:not(:disabled) { background: color-mix(in srgb, var(--f) 80%, var(--e) 6%); }
.msg-move-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.msg-select { border-radius: 10px; border: 1px solid color-mix(in srgb, var(--e) 22%, var(--f)); padding: 8px 10px; background: var(--b); font-family: inherit; color: var(--e); font-size: 13px; cursor: pointer; }
.msg-input-wrap { grid-column: 3 / span 2; grid-row: 2; display: flex; flex-direction: column; gap: 4px; }
.msg-text-input { width: 100%; box-sizing: border-box; padding: 10px 12px; border: 1px solid color-mix(in srgb, var(--e) 22%, var(--f)); border-radius: 10px; font-family: inherit; font-size: 14px; background: var(--b); color: var(--e); resize: vertical; line-height: 1.6; min-height: 64px; }
.msg-text-input:focus { outline: none; border-color: var(--c); box-shadow: 0 0 0 3px rgba(86, 160, 155, 0.18); }
.msg-counter { align-self: flex-end; font-size: 11px; color: color-mix(in srgb, var(--e) 50%, var(--f)); margin-top: 4px; }
.msg-delete-btn { width: 28px; height: 28px; border-radius: 50%; border: none; background: transparent; color: color-mix(in srgb, var(--e) 50%, var(--f)); cursor: pointer; font-size: 18px; transition: background 0.12s, color 0.12s; }
.msg-delete-btn:hover { background: rgba(242, 58, 48, 0.12); color: var(--a); }
.add-btn { width: 100%; margin-top: 8px; padding: 14px; background: transparent; border: 2px dashed color-mix(in srgb, var(--e) 22%, var(--f)); border-radius: var(--radius); color: color-mix(in srgb, var(--e) 50%, var(--f)); font-family: inherit; font-size: 14px; font-weight: 500; cursor: pointer; transition: all 0.18s; }
.add-btn:hover { background: color-mix(in srgb, var(--f) 80%, var(--e) 6%); border-color: var(--c); color: var(--c); }

.char-manager { background: var(--b); padding: 22px; border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.char-manager h2 { margin-top: 0; margin-bottom: 16px; font-size: 17px; color: var(--e); letter-spacing: 0.04em; }
.char-card { display: flex; align-items: center; gap: 14px; padding: 14px; margin-bottom: 10px; background: var(--f); border-radius: var(--radius); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); transition: border-color 0.18s, transform 0.12s; }
.char-card:hover { border-color: color-mix(in srgb, var(--e) 22%, var(--f)); transform: translateY(-1px); }
.char-card-icon { flex-shrink: 0; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; color: var(--b); font-weight: bold; font-size: 18px; background-color: var(--b); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); border-radius: 50%; }
.char-card-info { flex: 1; min-width: 0; }
.char-card-name { font-size: 15px; font-weight: 600; color: var(--e); margin-bottom: 4px; }
.char-card-meta { font-size: 12px; color: color-mix(in srgb, var(--e) 50%, var(--f)); display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.char-card-meta > span { display: inline-flex; align-items: center; gap: 4px; }
.color-chip { display: inline-block; width: 12px; height: 12px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.char-card-delete { width: 32px; height: 32px; border-radius: 50%; border: none; background: transparent; color: color-mix(in srgb, var(--e) 50%, var(--f)); cursor: pointer; font-size: 20px; transition: background 0.12s, color 0.12s; }
.char-card-delete:hover:not(:disabled) { background: rgba(242, 58, 48, 0.12); color: var(--a); }
.char-card-delete:disabled { opacity: 0.25; cursor: not-allowed; }

.modal-overlay { position: fixed; inset: 0; background: rgba(25, 25, 25, 0.45); backdrop-filter: blur(2px); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 20px; box-sizing: border-box; }
.modal-box { background: var(--b); border-radius: var(--radius-lg); width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); display: flex; flex-direction: column; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.modal-header h3 { margin: 0; font-size: 16px; color: var(--e); letter-spacing: 0.04em; }
.modal-close { width: 32px; height: 32px; border-radius: 50%; background: transparent; border: none; font-size: 22px; color: color-mix(in srgb, var(--e) 50%, var(--f)); cursor: pointer; line-height: 1; display: flex; align-items: center; justify-content: center; transition: background 0.12s; }
.modal-close:hover { background: color-mix(in srgb, var(--f) 80%, var(--e) 6%); }
.modal-body { padding: 22px; overflow-y: auto; }
.form-row { margin-bottom: 16px; }
.form-row > label { display: block; font-size: 13px; color: var(--e); margin-bottom: 4px; font-weight: 500; }
.form-row input[type="text"], .form-row input[type="file"] { width: 100%; box-sizing: border-box; border-radius: 10px; border: 1px solid color-mix(in srgb, var(--e) 22%, var(--f)); padding: 9px 12px; background: var(--f); font-family: inherit; font-size: 14px; }
.form-row input[type="text"]:focus { outline: none; border-color: var(--c); box-shadow: 0 0 0 3px rgba(86, 160, 155, 0.18); }
.form-row small { display: block; font-size: 11px; color: #999; margin-top: 4px; }
.radio-row { display: flex; gap: 16px; }
.radio-row label { font-size: 13px; cursor: pointer; display: flex; align-items: center; gap: 4px; }
.color-row { display: flex; align-items: center; gap: 10px; }
.color-row input[type="color"] { width: 44px; height: 32px; padding: 0; border: 1px solid #ddd; border-radius: 6px; cursor: pointer; background: var(--b); }
.color-row input[type="color"]:disabled { opacity: 0.4; cursor: not-allowed; }
.color-value { font-family: monospace; font-size: 12px; color: #666; }
.check-label { margin-left: auto; font-size: 12px; color: #666; display: flex; align-items: center; gap: 4px; cursor: pointer; }
.icon-preview { margin-top: 8px; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; color: white; font-weight: bold; font-size: 22px; }
.preview-message { margin-top: 8px; padding: 12px; background: var(--f); border-radius: 8px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 8px; padding: 16px 22px; border-top: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.btn-cancel, .btn-primary { padding: 9px 22px; border-radius: var(--radius-pill); font-family: inherit; font-size: 14px; cursor: pointer; transition: all 0.15s; border: none; font-weight: 600; }
.btn-cancel { background: transparent; border: 1px solid color-mix(in srgb, var(--e) 22%, var(--f)); color: color-mix(in srgb, var(--e) 50%, var(--f)); }
.btn-cancel:hover { background: var(--f); }
.btn-primary { background: var(--e); color: var(--f); }
.btn-primary:hover { background: #333; }

.download-menu { position: relative; }
.download-btn { background: var(--e); color: var(--f); border: none; padding: 9px 18px; border-radius: var(--radius-pill); font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; transition: transform 0.12s, box-shadow 0.18s; display: inline-flex; align-items: center; gap: 6px; box-shadow: var(--shadow); }
.download-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.download-btn .caret { font-size: 9px; transition: transform 0.2s; }
.download-menu.open .download-btn .caret { transform: rotate(180deg); }
.download-options { position: absolute; right: 0; top: calc(100% + 4px); background: var(--b); border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); min-width: 280px; z-index: 1500; overflow: hidden; padding: 14px; }
.download-section { padding: 12px 14px; border-bottom: 1px solid #f0f0f0; }
.download-section:last-child { border-bottom: none; }
.download-section-title { display: block; font-size: 11px; color: #888; margin-bottom: 6px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.05em; }
.size-buttons { display: flex; gap: 4px; }
.size-btn { flex: 1; padding: 6px; background: var(--b); border: 1px solid #ddd; border-radius: 12px; color: var(--e); font-family: inherit; font-size: 12px; cursor: pointer; transition: all 0.15s; }
.size-btn small { display: block; font-size: 10px; opacity: 0.7; margin-top: 2px; }
.size-btn:hover { background: color-mix(in srgb, var(--f) 80%, var(--e) 6%); border-color: color-mix(in srgb, var(--e) 22%, var(--f)); }
.size-btn.active { background: var(--e); color: var(--f); border-color: var(--e); font-weight: bold; }
.fps-row label { display: flex; justify-content: space-between; font-size: 12px; color: #666; margin-bottom: 4px; }
.fps-value { font-weight: bold; color: var(--c); font-variant-numeric: tabular-nums; }
.fps-slider { width: 100%; accent-color: var(--c); margin: 0; }
.fps-hint { display: flex; justify-content: space-between; font-size: 10px; color: #aaa; margin-top: 2px; }
.download-format { display: block; width: 100%; padding: 10px 14px; background: var(--b); border: none; border-radius: 12px; text-align: left; cursor: pointer; transition: background 0.15s; font-family: inherit; border-bottom: 1px solid #f0f0f0; }
.download-format:last-child { border-bottom: none; }
.download-format:hover { background: color-mix(in srgb, var(--f) 80%, var(--e) 6%); border-color: color-mix(in srgb, var(--e) 22%, var(--f)); }
.download-format strong { display: block; font-size: 14px; color: var(--e); margin-bottom: 2px; }
.download-format small { display: block; font-size: 11px; color: #888; }

.progress-overlay { position: fixed; inset: 0; background: rgba(25, 25, 25, 0.5); display: flex; align-items: center; justify-content: center; z-index: 9999; }
.progress-box { background: var(--b); padding: 28px 32px; border-radius: var(--radius-lg); min-width: 280px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); text-align: center; border: 1px solid color-mix(in srgb, var(--e) 12%, var(--f)); }
.progress-title { font-size: 16px; font-weight: bold; margin-bottom: 12px; color: var(--e); }
.progress-text { font-size: 13px; color: #666; margin-bottom: 14px; min-height: 20px; }
.progress-bar { width: 100%; height: 8px; background: color-mix(in srgb, var(--f) 70%, var(--e) 8%); border-radius: var(--radius-pill); overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--c), #7dc3be); transition: width 0.2s; }

@media (max-width: 768px) {
  .header-row { padding: 12px 14px 8px; }
  .header-name { font-size: 16px; }
  .tabs { padding: 0 12px 8px; gap: 4px; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab-btn { padding: 8px 14px; font-size: 13px; white-space: nowrap; flex-shrink: 0; }
  .download-btn { padding: 8px 14px; font-size: 13px; }
  .download-options { right: 0; left: auto; width: calc(100vw - 28px); max-width: 320px; }
  .app-main { padding: 16px 12px 60px; }
  .editor, .char-manager { padding: 16px 14px; border-radius: var(--radius); }
  .stage { padding: 14px; border-radius: var(--radius); }
  .msg-row { grid-template-columns: auto auto 1fr 1fr auto; gap: 8px; padding: 12px; }
  .msg-input-wrap { grid-column: 1 / -1; grid-row: 2; }
  .msg-row > .msg-select { font-size: 12px; padding: 6px 8px; }
  .char-card { padding: 12px; gap: 12px; }
  .char-card-icon { width: 48px; height: 48px; }
  .char-card-name { font-size: 14px; }
  .char-card-meta { font-size: 11px; gap: 8px; }
  .modal-box { margin: 12px; max-height: calc(100vh - 24px); border-radius: var(--radius); }
  .modal-header, .modal-body, .modal-footer { padding: 14px 16px; }
}
@media (max-width: 480px) {
  .msg-row { grid-template-columns: auto 1fr auto; gap: 8px; }
  .msg-move-group { flex-direction: row; grid-column: 1 / -1; grid-row: 4; justify-content: flex-end; }
  .msg-move-btn { width: 36px; height: 28px; }
  .replay-btn { width: 100%; max-width: 320px; }
}