:root { --bg-color: #f0f2f5; --card-bg: #ffffff; --text-color: #333; --panel-bg: #ffffff; --border-color: #ddd; --accent-color: #007bff; }
body.dark-mode { --bg-color: #1a1a1a; --card-bg: #2d2d2d; --text-color: #eee; --panel-bg: #333; --border-color: #444; }
body { font-family: sans-serif; display: flex; min-height: 100vh; margin: 0; background-color: var(--bg-color); color: var(--text-color); transition: 0.3s; overflow: hidden; touch-action: manipulation; }

.main-content { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 15px; }
#card-container { width: 90%; max-width: 600px; height: 250px; display: flex; align-items: center; justify-content: center; background: var(--card-bg); border: 4px solid #444; border-radius: 24px; font-size: clamp(24px, 8vw, 56px); font-weight: bold; text-align: center; box-shadow: 0 10px 20px rgba(0,0,0,0.1); margin-bottom: 20px; }
.quote-bubble { background: var(--panel-bg); border-left: 5px solid var(--accent-color); padding: 15px; width: 90%; max-width: 500px; border-radius: 4px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); margin-bottom: 20px; }
#quote-en { font-style: italic; font-weight: bold; color: var(--accent-color); font-size: 14px; }
#quote-jp { font-size: 12px; opacity: 0.8; }

.controls { background: var(--panel-bg); padding: 20px; border-radius: 20px; width: 320px; display: flex; flex-direction: column; gap: 12px; }
.setting-row { display: flex; align-items: center; justify-content: space-between; font-size: 14px; }
.btn-group { display: flex; gap: 10px; }
button { padding: 10px; border-radius: 8px; border: none; background: var(--accent-color); color: white; font-weight: bold; cursor: pointer; }
.bookmark-btn { background: #ff9800 !important; width: 100%; margin-bottom: 10px; }
#stopBtn { background: #dc3545; }
.sub-btn { background: #6c757d; font-size: 12px; }

.list-panel { width: 300px; height: 100vh; background: var(--panel-bg); position: fixed; left: 0; z-index: 100; border-right: 2px solid var(--border-color); display: flex; flex-direction: column; transition: 0.3s; }
.list-panel.hidden { transform: translateX(-300px); }
.panel-header { padding: 15px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--border-color); }
.add-word-form { padding: 10px; display: flex; flex-direction: column; gap: 5px; background: rgba(0,0,0,0.05); }
.list-actions { padding: 10px; display: flex; gap: 5px; border-bottom: 1px solid var(--border-color); }
.mini-btn { padding: 5px; font-size: 10px; flex: 1; }
.mini-btn.danger { background: #ff4444; }
.mini-btn.active { background: #333; outline: 2px solid orange; }
#word-list-container { flex: 1; overflow-y: auto; padding: 10px; }
.delete-cursor .word-item { color: #ff4444; border: 1px dashed #ff4444; cursor: pointer; }
.word-item { padding: 8px 0; border-bottom: 1px solid var(--border-color); font-size: 13px; }
.status { text-align: center; color: var(--accent-color); font-weight: bold; }
.is-bookmarked { color: #ff9800; font-weight: bold; }