.esp-panel{position:fixed;bottom:16px;right:10px;z-index:10000;width:300px;max-width:calc(100vw - 20px);background:var(--bg-2);border:1px solid var(--border-2);border-radius:var(--radius-3xl);box-shadow:var(--shadow-3);overflow:hidden;transform-origin:bottom right;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.esp-panel.esp-hidden{display:none!important}@keyframes espIn{0%{opacity:0;transform:translateY(10px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes espSpin{to{transform:rotate(360deg)}}.esp-panel.esp-animate{animation:espIn .25s cubic-bezier(.16,1,.3,1) both}.esp-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--border-1)}.esp-title{display:flex;align-items:center;gap:7px;margin:0;font-size:var(--editor-font-base);font-weight:700;color:var(--text-1)}.esp-close{border:0;background:transparent;color:var(--text-3);cursor:pointer;padding:5px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:background var(--duration-fast),color var(--duration-fast)}.esp-close:hover{background:var(--hover);color:var(--text-1)}.esp-body{padding:14px;display:flex;flex-direction:column;gap:12px}.esp-copy{display:flex;flex-direction:column;gap:4px}.esp-copy p{margin:0}.esp-copy-lead{font-size:var(--editor-font-xl);font-weight:800;color:var(--text-1);line-height:1.25}.esp-copy-text{font-size:var(--editor-font-base);line-height:1.55;color:var(--text-3)}.esp-field label{display:block;font-size:var(--editor-font-xs);font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3);margin:0 0 5px 2px}.esp-req{color:var(--danger)}.esp-textarea{width:100%;font-size:var(--editor-font-base);padding:9px 11px;border-radius:var(--radius-xl);border:1px solid var(--border-2);background:var(--bg-3);color:var(--text-1);outline:none;resize:none;transition:border-color var(--duration-base),box-shadow var(--duration-base);font-family:inherit;box-sizing:border-box}.esp-textarea::placeholder{color:var(--text-4)}.esp-textarea:focus{border-color:var(--border-3);box-shadow:0 0 0 3px var(--brand-soft)}.esp-submit{width:100%;border:0;border-radius:var(--radius-xl);padding:10px 12px;background:var(--brand);color:var(--bg-1);font-size:var(--editor-font-base);font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;transition:opacity var(--duration-fast);font-family:inherit;box-sizing:border-box}.esp-submit:hover{opacity:.88}.esp-submit:active{opacity:.76}.esp-note{margin:0;font-size:var(--editor-font-xs);line-height:1.5;color:var(--text-4);text-align:center}.upgrade-popup-overlay{position:fixed;inset:0;z-index:100001;display:grid;place-items:center;padding:1.5rem;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}.upgrade-popup-overlay[hidden]{display:none}.upgrade-popup-overlay.show{opacity:1;visibility:visible}.upgrade-popup-overlay:before{content:"";position:absolute;inset:0;background:var(--color-overlay-scrim)}html[data-theme=light] .upgrade-popup-overlay:before{background:var(--playlist-popup-overlay)}.upgrade-popup{position:relative;z-index:1;width:min(880px,100%);padding:38px 38px 30px;background:var(--color-bg-card);color:var(--color-text-dark);border-radius:22px;box-shadow:0 28px 70px -20px #00000080,0 4px 14px var(--color-shadow-10);transform:translateY(1rem) scale(.98);transition:transform .3s cubic-bezier(.16,1,.3,1);font-family:Noto Sans,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased}.upgrade-popup-overlay.show .upgrade-popup{transform:translateY(0) scale(1)}html[data-theme=dark] .upgrade-popup{background:var(--color-bg-card);color:var(--color-white)}.upgrade-popup-close{position:absolute;top:22px;right:22px;width:34px;height:34px;display:grid;place-items:center;background:var(--color-white);border:1px solid var(--color-border-light);border-radius:999px;color:#8a8a86;cursor:pointer;transition:background-color .2s ease,color .2s ease}.upgrade-popup-close:hover{background:var(--color-bg-card-subtle);color:var(--color-text-dark)}html[data-theme=dark] .upgrade-popup-close{background:var(--color-bg-card-hover);border-color:var(--bg-5);color:#8a8a86}html[data-theme=dark] .upgrade-popup-close:hover{background:var(--bg-5);color:var(--color-white)}.upgrade-header{text-align:center;margin-bottom:26px}.upgrade-label{font-family:monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#9a9a96;margin-bottom:10px}.upgrade-title{margin:0 0 8px;font-size:27px;font-weight:700;letter-spacing:-.02em;color:var(--color-text-dark)}html[data-theme=dark] .upgrade-title{color:var(--color-white)}.upgrade-desc{margin:0;font-size:14.5px;color:#6f6f6a}.upgrade-plans-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}.upgrade-plan-card{background:var(--color-bg-card);border:1px solid var(--color-border-light);border-radius:18px;padding:28px 24px}html[data-theme=dark] .upgrade-plan-card{background:var(--color-bg-card);border-color:var(--bg-5)}.upgrade-plan-card--pro{background:var(--color-bg-card-muted);border:1.5px solid var(--color-text-dark);transform:translateY(-12px);box-shadow:0 22px 48px -24px #00000061;position:relative}html[data-theme=dark] .upgrade-plan-card--pro{background:var(--surface-deep);border-color:var(--color-white);box-shadow:0 30px 60px -22px #0000008c}.upgrade-plan-header{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px}.upgrade-plan-name{font-size:16px;font-weight:600;color:var(--color-text-dark);margin-bottom:14px}.upgrade-plan-header .upgrade-plan-name{margin-bottom:0}html[data-theme=dark] .upgrade-plan-name{color:var(--color-white)}.upgrade-plan-badge{font-family:monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;background:var(--color-text-dark);color:var(--color-white);border-radius:999px;padding:4px 9px}html[data-theme=dark] .upgrade-plan-badge{background:var(--color-white);color:var(--color-text-dark)}.upgrade-plan-price{font-size:32px;font-weight:700;letter-spacing:-.03em;color:var(--color-text-dark);margin-bottom:4px}html[data-theme=dark] .upgrade-plan-price{color:var(--color-white)}.upgrade-plan-sub{font-size:13px;color:#9a9a96;margin-bottom:18px}.upgrade-plan-btn{width:100%;padding:12px;border-radius:12px;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .18s,opacity .18s}.upgrade-plan-btn--primary{border:none;background:var(--color-text-dark);color:var(--color-white)}.upgrade-plan-btn--primary:hover:not(:disabled){opacity:.88}html[data-theme=dark] .upgrade-plan-btn--primary{background:var(--color-white);color:var(--color-text-dark)}.upgrade-plan-btn--secondary{border:1px solid var(--color-border-subtle);background:var(--color-white);color:var(--color-text-dark)}.upgrade-plan-btn--secondary:hover:not(:disabled){background:var(--color-bg-card-subtle)}html[data-theme=dark] .upgrade-plan-btn--secondary{border-color:var(--border-3);background:var(--color-bg-card-hover);color:var(--color-white)}html[data-theme=dark] .upgrade-plan-btn--secondary:hover:not(:disabled){background:var(--bg-5)}.upgrade-plan-btn:disabled{opacity:.6;cursor:not-allowed}.upgrade-plan-btn.loading{display:flex;align-items:center;justify-content:center}.upgrade-plan-divider{height:1px;background:var(--multi-intro-border-soft);margin:22px 0}html[data-theme=dark] .upgrade-plan-divider{background:var(--bg-5)}.upgrade-plan-card--pro .upgrade-plan-divider{background:var(--color-border-softest)}html[data-theme=dark] .upgrade-plan-card--pro .upgrade-plan-divider{background:var(--bg-3)}.upgrade-plan-features{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.upgrade-plan-features li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.4;color:var(--banner-supporter-text);text-align:left}html[data-theme=dark] .upgrade-plan-features li{color:var(--color-text-secondary)}.upgrade-plan-card--pro .upgrade-plan-features li{color:var(--banner-supporter-text)}html[data-theme=dark] .upgrade-plan-card--pro .upgrade-plan-features li{color:var(--color-text-body)}.upgrade-plan-features svg{flex:none;margin-top:2px;color:var(--color-text-dark)}html[data-theme=dark] .upgrade-plan-features svg{color:var(--color-white)}.upgrade-popup-footer{text-align:center;margin:26px 0 0;font-family:monospace;font-size:11px;letter-spacing:.04em;color:#b0b0ab}.upgrade-spinner{animation:upgrade-spin .8s linear infinite}@keyframes upgrade-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.upgrade-transaction-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 1rem;text-align:center}.upgrade-transaction-loading .upgrade-spinner{width:40px;height:40px;margin-bottom:1.25rem;color:var(--color-text-dark)}html[data-theme=dark] .upgrade-transaction-loading .upgrade-spinner{color:var(--color-white)}.upgrade-transaction-title{margin:0 0 .5rem;font-size:1.125rem;font-weight:600}.upgrade-transaction-desc{margin:0;font-size:.875rem;color:#6f6f6a;max-width:280px}.upgrade-error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 1rem;text-align:center}.upgrade-error-icon{color:var(--danger);margin-bottom:1rem}.upgrade-error-title{margin:0 0 .5rem;font-size:1.125rem;font-weight:600}.upgrade-error-desc{margin:0 0 1.5rem;font-size:.875rem;color:#6f6f6a;max-width:280px}.upgrade-retry-btn{padding:.625rem 1.5rem;background:var(--color-text-dark);border:none;border-radius:.5rem;color:var(--color-white);font-size:.9375rem;font-weight:500;cursor:pointer;transition:opacity .2s ease}.upgrade-retry-btn:hover{opacity:.88}html[data-theme=dark] .upgrade-retry-btn{background:var(--color-white);color:var(--color-text-dark)}.upgrade-success-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 1rem;text-align:center}.upgrade-success-icon{color:var(--success);margin-bottom:1rem}.upgrade-success-title{margin:0 0 .5rem;font-size:1.125rem;font-weight:600}.upgrade-success-desc{margin:0;font-size:.875rem;color:#6f6f6a;max-width:280px}@media(max-width:768px){.upgrade-plan-card--pro{transform:translateY(-8px)}}@media(max-width:640px){.upgrade-popup-overlay{padding:16px;place-items:end center}.upgrade-popup{width:100%;max-width:100%;max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);overflow-y:auto;padding:24px 20px 32px;border-radius:20px;margin-bottom:0;transform:translateY(100%)}.upgrade-popup-overlay.show .upgrade-popup{transform:translateY(0)}.upgrade-popup-close{top:16px;right:16px;width:32px;height:32px}.upgrade-header{margin-bottom:20px}.upgrade-label{font-size:10px;margin-bottom:8px}.upgrade-title{font-size:22px}.upgrade-desc{font-size:13px}.upgrade-plans-grid{grid-template-columns:1fr;gap:12px}.upgrade-plan-card{padding:20px 16px;border-radius:14px}.upgrade-plan-card--pro{transform:none;order:-1;border-radius:14px}.upgrade-plan-name{font-size:15px;margin-bottom:10px}.upgrade-plan-header .upgrade-plan-name{margin-bottom:0}.upgrade-plan-badge{font-size:9px;padding:3px 7px}.upgrade-plan-price{font-size:28px}.upgrade-plan-sub{font-size:12px;margin-bottom:14px}.upgrade-plan-btn{padding:10px;font-size:13px;border-radius:10px}.upgrade-plan-divider{margin:16px 0}.upgrade-plan-features{gap:10px}.upgrade-plan-features li{font-size:12.5px;gap:8px}.upgrade-plan-features svg{width:12px;height:12px}.upgrade-popup-footer{margin-top:20px;font-size:10px}}@media(max-width:380px){.upgrade-popup-overlay{padding:12px}.upgrade-popup{padding:20px 16px 28px;max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px)}.upgrade-title{font-size:20px}.upgrade-plan-price{font-size:26px}}