.app{height:100vh;width:100vw;display:flex;flex-direction:column;overflow:hidden;background:#1a1c1e;color:var(--color-text-main)}.app-main{flex:1;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;padding:24px;gap:20px}.upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;transition:border-color .2s,background .2s;background:#252528;display:flex;flex-direction:column;align-items:center;gap:6px}.upload-zone:hover{border-color:var(--color-accent)}.upload-zone.dragover{border-color:var(--color-accent);background:#2a2a2d}.upload-zone.has-video{border-style:solid;border-color:var(--color-success);cursor:default}.upload-zone-icon{font-size:32px;margin-bottom:2px}.upload-zone-text{font-size:13px;color:var(--color-text-muted)}.upload-zone-hint{font-size:11px;color:#606060}.upload-zone-progress{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--color-accent)}.upload-progress-bar{width:120px;height:4px;background:var(--color-border);border-radius:2px;overflow:hidden}.upload-progress-fill{height:100%;background:var(--color-accent);border-radius:2px;transition:width .2s}.upload-zone-done{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--color-success)}.upload-zone-error{font-size:13px;color:var(--color-error)}.generate-section{display:flex;align-items:center;justify-content:center;gap:16px}.btn-generate{padding:14px 48px;border:none;border-radius:var(--radius);background:var(--color-accent);color:#000;font-weight:700;font-size:14px;letter-spacing:2px;cursor:pointer;font-family:var(--font-sans);display:flex;align-items:center;gap:10px;transition:background .15s,opacity .15s,transform .1s}.btn-generate:hover:not(:disabled){background:var(--color-accent-hover);transform:translateY(-1px)}.btn-generate:disabled{opacity:.4;cursor:not-allowed}.btn-generate:active:not(:disabled){transform:translateY(0)}.status-msg{text-align:center;font-size:12px;color:var(--color-text-muted);padding:4px 0}.status-msg.error{color:var(--color-error)}.results-section{display:flex;flex-direction:column;gap:12px}.results-header{display:flex;align-items:center;justify-content:space-between;padding:0 2px}.results-stats{font-size:12px;font-weight:600;color:var(--color-text-muted);letter-spacing:.5px}.track-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;gap:12px;color:var(--color-text-muted);opacity:.5}.empty-state-icon{font-size:48px}.empty-state-text{font-size:14px;margin:0}.empty-state-sub{font-size:12px;opacity:.7}.bottom-bar{height:52px;display:flex;align-items:center;justify-content:center;padding:0 24px;background:#1a1c1e;border-top:1px solid var(--color-border);flex-shrink:0;gap:8px}.btn-download-all{padding:10px 24px;border:1px solid var(--color-accent);border-radius:var(--radius-sm);background:transparent;color:var(--color-accent);font-weight:600;font-size:12px;cursor:pointer;font-family:var(--font-sans);letter-spacing:1px;display:flex;align-items:center;gap:6px;transition:background .15s,color .15s}.btn-download-all:hover:not(:disabled){background:var(--color-accent);color:#000}.btn-download-all:disabled{opacity:.3;cursor:not-allowed}.gate-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--color-bg);z-index:1000}.gate-card{background:var(--color-panel);border:1px solid var(--color-border);border-radius:var(--radius);padding:48px 40px;width:380px;display:flex;flex-direction:column;align-items:center;gap:24px}.gate-logo-img{height:28px;width:auto;filter:brightness(0) invert(1)}.gate-divider{width:40px;height:2px;background:var(--color-accent);border-radius:1px}.gate-form{display:flex;gap:8px;width:100%}.gate-input{flex:1;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg);color:var(--color-text-main);font-size:14px;font-family:var(--font-mono);outline:none}.gate-input:focus{border-color:var(--color-accent)}.gate-btn{padding:10px 24px;border:none;border-radius:var(--radius-sm);background:var(--color-accent);color:#000;font-weight:700;font-size:14px;cursor:pointer}.gate-error{color:var(--color-error);font-size:13px}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-6px)}80%{transform:translate(6px)}}.gate-card.shake{animation:shake .4s ease}.hover-border-accent:hover{border-color:var(--color-accent)!important}@media (max-width: 768px){.app-main{padding:16px;gap:14px}.track-grid{grid-template-columns:1fr}.upload-zone{padding:24px 16px}}:root{--color-bg: #16161A;--color-panel: #252528;--color-border: #3E3E44;--color-text-main: #F5F5F6;--color-text-muted: #B0B0B8;--color-accent: #FF6600;--color-accent-hover: #E55C00;--color-track-bg: #2E2E33;--color-success: #34C759;--color-error: #FF453A;--color-warning: #FFD60A;--radius: 10px;--radius-sm: 6px;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{background:var(--color-bg);color:var(--color-text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#444}::selection{background:var(--color-accent);color:#000}*:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--color-border);outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--color-accent);cursor:pointer;border:none}