/* public/assets/css/tools/dev/base_crypto.css */
.bc-wrapper { background: var(--bg-surface); border-radius: 24px; padding: 24px; border: 1px solid var(--border-color); box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); }
.bc-header { font-size: 1.6rem; font-weight: 800; color: var(--text-main); margin-bottom: 8px; text-align: center; }
.bc-subtitle { color: var(--text-muted); font-size: 0.95rem; padding-bottom: 20px; border-bottom: 1px dashed var(--border-color); margin-bottom: 24px; text-align: center; }

/* 顶层控制栏 */
.bc-controls { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 20px; background: var(--bg-body); padding: 16px; border-radius: 16px; border: 1px solid var(--border-color); }
.bc-ctrl-group { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.bc-label { font-weight: 700; color: var(--text-muted); font-size: 0.9rem; }
.bc-select, .bc-input-number { background: var(--bg-surface); border: 2px solid var(--border-color); color: var(--text-main); padding: 8px 16px; border-radius: 12px; font-weight: 600; outline: none; transition: 0.2s; }
.bc-select { cursor: pointer; }
.bc-select:focus, .bc-input-number:focus { border-color: var(--primary-color); }

.bc-tabs { display: flex; gap: 10px; }
.bc-tab-btn { background: var(--bg-surface); border: 1px solid var(--border-color); padding: 8px 20px; border-radius: 10px; font-weight: 700; color: var(--text-muted); cursor: pointer; transition: 0.2s; }
.bc-tab-btn.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }

/* 工作面板区 */
.bc-panel { display: none; flex-direction: column; gap: 20px; animation: fadeIn 0.3s ease; }
.bc-panel.active { display: flex; }
@keyframes fadeIn { from{opacity:0; transform:translateY(5px)} to{opacity:1; transform:translateY(0)} }

/* 文本模式布局 */
.bc-text-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 800px) { .bc-text-grid { grid-template-columns: 1fr; } }
.bc-textarea-box { display: flex; flex-direction: column; gap: 10px; }
.bc-textarea { width: 100%; height: 300px; padding: 16px; border-radius: 16px; border: 2px solid var(--border-color); background: var(--bg-body); color: var(--text-main); font-family: monospace; font-size: 0.95rem; line-height: 1.5; outline: none; resize: vertical; box-sizing: border-box; transition: 0.3s; word-break: break-all; }
.bc-textarea:focus { border-color: var(--primary-color); box-shadow: 0 0 0 4px rgba(0,102,204,0.1); }
.bc-textarea[readonly] { background: rgba(0,0,0,0.02); }

/* 文件拖拽区 */
.bc-dropzone { border: 3px dashed var(--border-color); border-radius: 20px; padding: 50px 20px; text-align: center; cursor: pointer; background: var(--bg-body); transition: 0.3s; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; }
.bc-dropzone:hover, .bc-dropzone.dragover { border-color: var(--primary-color); background: rgba(0,102,204,0.03); transform: scale(1.01); }
.bc-file-icon { font-size: 3rem; }
.bc-file-title { font-size: 1.2rem; font-weight: 700; color: var(--text-main); }
.bc-file-input { display: none; }

/* 按钮与提示 */
.bc-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.bc-btn { background: var(--primary-color); color: #fff; border: none; padding: 10px 20px; border-radius: 10px; font-weight: 700; cursor: pointer; transition: 0.2s; }
.bc-btn:hover:not(:disabled) { background: var(--primary-hover); transform: translateY(-2px); }
.bc-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.bc-btn-sec { background: var(--bg-surface); color: var(--text-main); border: 1px solid var(--border-color); }
.bc-btn-sec:hover:not(:disabled) { border-color: var(--primary-color); color: var(--primary-color); }
.bc-err-msg { color: #ef4444; font-size: 0.9rem; font-weight: 600; display: none; }

/* 代码高亮区专属修正 */
.sh-preview-box { width: 100%; height: 350px; border-radius: 16px; border: 2px solid var(--border-color); overflow: auto; background: var(--bg-body); position: relative; }
.sh-preview-box pre { margin: 0; padding: 16px; height: 100%; box-sizing: border-box; font-family: 'Courier New', Consolas, monospace; font-size: 0.95rem; }
.sh-preview-box code { display: block; overflow-x: auto; font-family: inherit; }

/* 暗黑模式 */
[data-theme="dark"] .bc-wrapper { background: #1e293b; border-color: #334155; }
[data-theme="dark"] .bc-controls, [data-theme="dark"] .bc-dropzone, [data-theme="dark"] .sh-preview-box { background: #0f172a; border-color: #475569; }
[data-theme="dark"] .bc-select, [data-theme="dark"] .bc-input-number, [data-theme="dark"] .bc-tab-btn, [data-theme="dark"] .bc-textarea, [data-theme="dark"] .bc-btn-sec { background: #1e293b; border-color: #475569; color: #f8fafc; }
[data-theme="dark"] .bc-textarea[readonly] { background: #020617; }