:root{--cyan:#2563eb;--purple:#8B5CF6;--t1:#F3F4F6;--t2:#6B7280;--card:rgba(7,20,40,.78);--bdr:rgba(37,99,235,.1)}
body{background:#f8fafc;color:#D1D5DB;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;margin:0}
.fg{margin-bottom:16px}.fg label{display:block;font-size:.88rem;color:var(--t2);margin-bottom:6px;font-weight:500}
.fg input,.fg select,.fg textarea{padding:12px 14px;background:rgba(10,14,23,.8);border:1px solid rgba(48,54,61,.5);border-radius:10px;color:var(--t1);font-size:.9rem;font-family:inherit;box-sizing:border-box;width:100%}
.fg select{appearance:none;padding-right:40px;background-image:url('data:image/svg+xml,%3Csvg xmlns=%22http://www.w3.org/2000/svg%22 width=%2212%22 height=%2212%22%3E%3Cpath fill=%22%236B7280%22 d=%22M6 8L1 3h10z%22/%3E%3C/svg%3E');background-repeat:no-repeat;background-position:right 14px center}
.fg textarea{resize:vertical;min-height:60px;font-family:monospace}
.req{color:#f87171}.ts{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--cyan);color:#fff;border:none;border-radius:10px;font-size:.95rem;font-weight:600;cursor:pointer}.ts:hover{box-shadow:0 0 24px rgba(37,99,235,.25)}
.tr{padding:12px 24px;background:transparent;color:var(--t2);border:1px solid rgba(48,54,61,.5);border-radius:10px;font-size:.9rem;cursor:pointer}
@keyframes spin{to{transform:rotate(360deg)}}
.mode-tabs{display:flex;justify-content:center;gap:0;margin-bottom:24px}
.mode-tab{padding:10px 32px;font-size:.95rem;cursor:pointer;border:1px solid rgba(48,54,61,.5);background:rgba(13,17,27,.6);color:#8b949e;transition:all .2s}
.mode-tab:first-child{border-radius:10px 0 0 10px}.mode-tab:last-child{border-radius:0 10px 10px 0}
.mode-tab.active{background:rgba(37,99,235,.12);border-color:rgba(37,99,235,.4);color:#2563eb;font-weight:600}
.mode-panel{display:none}.mode-panel.active{display:block}
.chart-type-btn{padding:8px 14px;border:1px solid rgba(48,54,61,.5);background:rgba(13,17,27,.6);color:#8b949e;border-radius:8px;cursor:pointer;font-size:.78rem;margin:3px;transition:all .15s}
.chart-type-btn.active{background:rgba(37,99,235,.12);border-color:rgba(37,99,235,.4);color:#2563eb;font-weight:600}
.chart-type-btn:hover:not(.active){border-color:rgba(37,99,235,.2);color:#e6edf3}
.upload-zone{border:2px dashed rgba(37,99,235,.2);border-radius:12px;padding:32px;text-align:center;cursor:pointer;transition:all .2s}
.upload-zone:hover{border-color:rgba(37,99,235,.4);background:rgba(37,99,235,.03)}
.upload-zone.has-file{border-color:#2563eb;border-style:solid;background:rgba(37,99,235,.06)}
@media(max-width:768px){.main-grid{grid-template-columns:1fr!important}}