/* ==== 极简黑白 - 与 life-progress 同语言 ==== */

/* Hero */
.mc-hero{padding:48px 8px 32px;border-bottom:1px solid #e5e7eb;margin-bottom:32px}
.mc-eyebrow{display:inline-block;font-size:12px;letter-spacing:1.5px;font-weight:600;color:#9ca3af;margin-bottom:14px;text-transform:uppercase}
.mc-title{font-size:36px;font-weight:700;line-height:1.25;margin:0 0 12px;color:#111827;letter-spacing:-.5px;background:none;-webkit-text-fill-color:#111827}
.mc-desc{font-size:15px;color:#6b7280;margin:0;line-height:1.7;max-width:600px}
@media(max-width:640px){.mc-hero{padding:32px 0 24px}.mc-title{font-size:26px}}

/* Mode switch */
.mc-converter{margin-bottom:24px}
.mc-mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-bottom:0;border:1px solid #e5e7eb;border-bottom:none;border-radius:12px 12px 0 0;overflow:hidden;background:white}
.mc-mode{padding:18px 20px;border:none;background:#fafafa;cursor:pointer;text-align:left;display:flex;align-items:center;gap:12px;border-bottom:1px solid #e5e7eb;transition:background .15s}
.mc-mode:first-child{border-right:1px solid #e5e7eb}
.mc-mode:hover{background:#f3f4f6}
.mc-mode.active{background:white;border-bottom-color:transparent}
.mc-mode-num{font-size:11px;color:#9ca3af;font-weight:600;letter-spacing:1px;font-family:'SF Mono',monospace}
.mc-mode.active .mc-mode-num{color:#111827}
.mc-mode-label{font-size:14px;color:#6b7280;font-weight:500}
.mc-mode.active .mc-mode-label{color:#111827;font-weight:600}

/* Panel - 双栏 IO */
.mc-panel{display:grid;grid-template-columns:1fr auto 1fr;gap:0;padding:24px;border:1px solid #e5e7eb;border-top:none;border-bottom:none;background:white;align-items:stretch}
@media(max-width:768px){.mc-panel{grid-template-columns:1fr;gap:16px}}
.mc-io{display:flex;flex-direction:column;min-width:0}
.mc-io-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;height:24px}
.mc-io-label{font-size:12px;color:#9ca3af;letter-spacing:.5px;text-transform:uppercase;font-weight:600}
.mc-io-count{font-size:11px;color:#9ca3af;font-family:'SF Mono',monospace}
.mc-io textarea{width:100%;padding:14px;border:1px solid #d1d5db;border-radius:8px;font-size:15px;line-height:1.6;resize:vertical;background:white;color:#111827;transition:border-color .15s;font-family:inherit;min-height:140px}
.mc-io textarea:focus{outline:none;border-color:#111827;box-shadow:0 0 0 3px rgba(0,0,0,.05)}
.mc-io textarea[readonly]{background:#fafafa;font-family:'SF Mono','Menlo',monospace;font-size:14px;letter-spacing:1px}

/* Divider with swap */
.mc-divider{display:flex;align-items:center;justify-content:center;padding:0 16px}
@media(max-width:768px){.mc-divider{padding:0;justify-content:flex-end}}
.mc-swap{width:36px;height:36px;border:1px solid #d1d5db;border-radius:50%;background:white;cursor:pointer;color:#6b7280;display:flex;align-items:center;justify-content:center;transition:all .15s}
.mc-swap:hover{border-color:#111827;color:#111827;transform:rotate(180deg)}

/* Copy button inline */
.mc-copy-btn{padding:4px 10px;background:transparent;border:1px solid #e5e7eb;border-radius:6px;font-size:11px;color:#6b7280;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .15s;font-family:inherit}
.mc-copy-btn:hover{border-color:#111827;color:#111827}
.mc-copy-btn.copied{background:#111827;color:white;border-color:#111827}

/* Actions */
.mc-actions{display:flex;align-items:center;gap:10px;padding:16px 24px;border:1px solid #e5e7eb;border-top:none;border-radius:0 0 12px 12px;background:white;flex-wrap:wrap}
.mc-btn{padding:10px 18px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .15s;border:1px solid transparent;font-family:inherit}
.mc-btn.primary{background:#111827;color:white}
.mc-btn.primary:hover:not(:disabled){background:#000}
.mc-btn.primary:disabled{background:#e5e7eb;color:#9ca3af;cursor:not-allowed}
.mc-btn.ghost{background:white;color:#374151;border-color:#d1d5db}
.mc-btn.ghost:hover{border-color:#111827;color:#111827}
.mc-speed{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:12px;color:#6b7280}
.mc-speed label{font-weight:500}
.mc-speed input[type="range"]{width:120px;accent-color:#111827}
#speedValue{font-family:'SF Mono',monospace;font-size:11px;color:#9ca3af;min-width:50px}
@media(max-width:640px){.mc-speed{margin-left:0;width:100%;margin-top:8px;padding-top:12px;border-top:1px solid #f3f4f6}}

/* Wave visualization */
.mc-wave{height:60px;margin-top:16px;padding:12px 20px;border:1px solid #e5e7eb;border-radius:10px;background:white;display:flex;align-items:center;gap:3px;overflow:hidden}
.mc-wave:empty::before{content:'电码波形将在这里显示';font-size:12px;color:#9ca3af;width:100%;text-align:center}
.mc-wave-bar{height:4px;background:#111827;border-radius:2px;transition:opacity .15s;flex-shrink:0}
.mc-wave-bar.dot{width:6px}
.mc-wave-bar.dash{width:18px}
.mc-wave-bar.gap{background:transparent;width:6px}
.mc-wave-bar.word{background:transparent;width:18px}
.mc-wave-bar.active{height:24px;background:#dc2626;box-shadow:0 0 8px rgba(220,38,38,.4)}

/* Section heads */
.mc-section-head{margin-bottom:16px}
.mc-section-head h3,.mc-quick h3,.mc-guide h3{margin:0 0 4px;font-size:16px;font-weight:600;color:#111827}
.mc-section-head p{margin:0;font-size:13px;color:#9ca3af}

/* Chart */
.mc-chart-section{padding:28px;background:white;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:24px}
.mc-chart-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:0;border:1px solid #e5e7eb;border-radius:8px;overflow:hidden;background:white}
.mc-chart-item{padding:14px 8px;text-align:center;border-right:1px solid #f3f4f6;border-bottom:1px solid #f3f4f6;transition:background .15s;cursor:pointer}
.mc-chart-item:hover{background:#fafafa}
.mc-char{font-size:18px;font-weight:700;color:#111827;font-family:'SF Mono',monospace;letter-spacing:0}
.mc-code{font-size:13px;color:#6b7280;font-family:'SF Mono',monospace;margin-top:4px;letter-spacing:1px}

/* Quick chips */
.mc-quick{padding:24px 28px;background:white;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:24px}
.mc-quick h3{margin-bottom:14px}
.mc-quick-grid{display:flex;flex-wrap:wrap;gap:8px}
.mc-chip{padding:8px 14px;background:#fafafa;border:1px solid #e5e7eb;border-radius:6px;font-size:13px;color:#374151;cursor:pointer;transition:all .15s;font-family:inherit}
.mc-chip:hover{background:#111827;color:white;border-color:#111827}

/* Guide */
.mc-guide{padding:28px;background:white;border:1px solid #e5e7eb;border-radius:12px}
.mc-guide-content{font-size:14px;line-height:1.8;color:#6b7280}
.mc-guide-content p{margin:0 0 12px}
.mc-guide-content p:last-child{margin-bottom:0}
.mc-guide-content strong{color:#111827;font-weight:600}
.mc-guide-content code{padding:2px 6px;background:#f3f4f6;border-radius:4px;font-size:12px;color:#111827;font-family:'SF Mono',monospace}

/* Dark mode */
@media(prefers-color-scheme:dark){
.mc-hero{border-color:#374151}
.mc-title{color:#f9fafb;-webkit-text-fill-color:#f9fafb}
.mc-mode-switch,.mc-panel,.mc-actions,.mc-chart-section,.mc-quick,.mc-guide,.mc-wave{background:#111827;border-color:#374151}
.mc-mode{background:#1f2937;border-color:#374151}
.mc-mode:first-child{border-color:#374151}
.mc-mode.active{background:#111827}
.mc-mode-label,.mc-mode-num{color:#9ca3af}
.mc-mode.active .mc-mode-label,.mc-mode.active .mc-mode-num{color:#f9fafb}
.mc-io textarea{background:#1f2937;color:#f9fafb;border-color:#374151}
.mc-io textarea[readonly]{background:#0f172a}
.mc-section-head h3,.mc-quick h3,.mc-guide h3,.mc-char,.mc-guide-content strong{color:#f9fafb}
.mc-code{color:#9ca3af}
.mc-chip{background:#1f2937;color:#d1d5db;border-color:#374151}
.mc-chip:hover{background:#f9fafb;color:#111827;border-color:#f9fafb}
.mc-chart-item{border-color:#374151}
.mc-chart-item:hover{background:#1f2937}
.mc-btn.primary{background:#f9fafb;color:#111827}
.mc-btn.primary:hover:not(:disabled){background:white}
.mc-btn.ghost{background:#1f2937;color:#d1d5db;border-color:#374151}
.mc-swap{background:#1f2937;border-color:#374151;color:#9ca3af}
.mc-swap:hover{border-color:#f9fafb;color:#f9fafb}
.mc-copy-btn{border-color:#374151;color:#9ca3af}
.mc-copy-btn:hover{border-color:#f9fafb;color:#f9fafb}
.mc-guide-content code{background:#1f2937;color:#f9fafb}
.mc-wave-bar{background:#f9fafb}
}