/* 摩尔斯电码编解码工具样式 */

:root {
    --primary-color: #8b5cf6;
    --primary-hover: #a78bfa;
    --primary-light: rgba(139, 92, 246, 0.08);
    --primary-light-hover: rgba(139, 92, 246, 0.12);
    --border-color-hover: rgba(139, 92, 246, 0.2);
    --shadow-primary: 0 0 16px rgba(139, 92, 246, 0.15);
}

html, body { height: 100%; overflow-y: auto; overflow-x: hidden; margin: 0; }
body { display: flex; align-items: flex-start; justify-content: center; padding-top: 70px; padding-bottom: 70px; min-height: 100vh; }
.logo-icon { background: linear-gradient(135deg, var(--primary-color) 0%, #5b21b6 100%); }
.main-content { width: 100%; max-width: 900px; padding: 20px; z-index: 10; }
.tool-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.3); }

.action-bar.top-bar { display: flex; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border-color); background: rgba(0,0,0,0.15); align-items: center; flex-wrap: wrap; }
.btn-action {
    padding: 8px 16px; border-radius: var(--radius-md); border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05); color: var(--text-secondary); cursor: pointer; font-size: 13px;
    display: flex; align-items: center; gap: 6px; transition: 0.2s;
}
.btn-action:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-action.active { color: var(--primary-color); border-color: var(--border-color-hover); background: var(--primary-light); }
.btn-action[disabled] { opacity: 0.5; cursor: not-allowed; }
.range-input { width: 80px; accent-color: var(--primary-color); }
.speed-label { color: var(--primary-color); font-weight: 600; min-width: 70px; font-size: 13px; }

.editor-container { display: flex; min-height: 200px; border-bottom: 1px solid var(--border-color); }
.editor-panel, .output-panel { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.editor-panel { border-right: 1px solid var(--border-color); }
.panel-header {
    padding: 10px 16px; font-size: 12px; font-weight: 600; color: var(--text-muted);
    background: rgba(255,255,255,0.02); border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.panel-header i { color: var(--primary-color); }
.btn-copy-small {
    margin-left: auto; background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px 8px; font-size: 12px; transition: 0.2s;
}
.btn-copy-small:hover { color: var(--primary-color); }
textarea {
    flex: 1; padding: 16px; background: transparent; border: none; outline: none; resize: none;
    font-family: var(--font-mono); font-size: 14px; line-height: 1.6; color: var(--text-primary); min-height: 180px;
}
.output-panel textarea { background: rgba(0,0,0,0.05); color: var(--primary-color); }

.reference-section { margin: 16px; border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; }
.reference-section .card-header { padding: 10px 14px; background: rgba(0,0,0,0.15); border-bottom: 1px solid var(--border-color); }
.reference-section .card-header h3 { font-size: 13px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; gap: 8px; margin: 0; }
.reference-section .card-header h3 i { color: var(--primary-color); }
.morse-table { overflow-x: auto; }
.morse-table table { width: 100%; border-collapse: collapse; font-size: 12px; }
.morse-table th { padding: 8px 10px; text-align: center; color: var(--text-muted); background: rgba(0,0,0,0.15); border-bottom: 1px solid var(--border-color); font-weight: 600; }
.morse-table td { padding: 6px 10px; text-align: center; color: var(--text-secondary); border-bottom: 1px solid rgba(255,255,255,0.03); font-family: var(--font-mono); }
.morse-table td:first-child, .morse-table td:nth-child(3), .morse-table td:nth-child(5) { color: var(--text-primary); font-weight: 600; }
.morse-table tr:hover td { background: var(--primary-light); }

@media (max-width: 768px) { .editor-container { flex-direction: column; } .editor-panel { border-right: none; border-bottom: 1px solid var(--border-color); } }
@media (max-width: 480px) { .main-content { padding: 10px; } .action-bar.top-bar { justify-content: center; } }