:root{color-scheme:dark;--bg:#05070f;--panel:rgba(10,13,24,0.96);--panel-soft:rgba(16,20,32,0.9);--text:#f5eef3;--muted:#a99fac;--ultra:#5860c8;--pulse:#49b874;--slate-glow:#8796ab;--border:rgba(88,96,200,0.2);--shadow:rgba(0,0,0,0.5);--radius:8px;font-family:Inter,Roboto,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0;padding-bottom:78px;color:var(--text);background:linear-gradient(rgba(88,96,200,0.016) 1px,transparent 1px),linear-gradient(90deg,rgba(73,184,116,0.014) 1px,transparent 1px),linear-gradient(135deg,rgba(88,96,200,0.035),transparent 34%),linear-gradient(315deg,rgba(73,184,116,0.03),transparent 38%),var(--bg);background-size:34px 34px,34px 34px,auto,auto,auto;line-height:1.5}button,input,select{font:inherit}button,input[type="file"],input[type="radio"],input[type="number"]{cursor:pointer}a{color:var(--pulse);text-decoration:none}a:hover{text-decoration:underline}.app-header{border-bottom:1px solid rgba(88,96,200,0.16);background:linear-gradient(90deg,rgba(88,96,200,0.052),rgba(73,184,116,0.032)),rgba(5,7,15,0.94);box-shadow:0 12px 30px var(--shadow)}h1{margin:0;font-family:"Cascadia Mono","Segoe UI",monospace;font-size:clamp(1.6rem,4vw,2.75rem);line-height:1.05;text-transform:uppercase;text-shadow:0 0 14px rgba(88,96,200,0.12)}h1 a,h1 a:hover{color:inherit;text-decoration:none}.header-tagline.is-typing{min-width:var(--typing-width,auto)}.header-tagline.is-typing::after{content:"";width:8px;height:1em;margin-left:4px;display:inline-block;vertical-align:-2px;background:currentColor;box-shadow:0 0 8px currentColor;animation:cursor-blink 800ms steps(2,start) infinite}.header-tagline{max-width:680px;margin:8px 0 0;color:var(--muted);font-weight:700}.mute-shell{width:min(1080px,calc(100% - 32px));margin:30px auto 56px}.limit-strip,.mute-panel,.info-panel,.notice{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);box-shadow:0 0 14px rgba(88,96,200,0.035),0 14px 34px var(--shadow)}.limit-strip{padding:12px 14px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 18px;color:var(--muted)}.notice{margin-top:16px;padding:14px}.notice[hidden]{display:none}.notice--success{border-color:rgba(73,184,116,0.3)}.notice--error{color:#ffe5eb;border-color:rgba(229,92,112,0.32);background:rgba(116,31,51,0.58)}.notice--attention{animation:notice-pulse 2400ms ease-out 1}.mute-panel,.info-panel{margin-top:18px;padding:clamp(16px,4vw,30px)}.mute-form{display:grid;gap:16px}.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,0.5fr);gap:16px}.mute-form>*,.form-grid>*,.field>*,.mode-field>*,.interval-row>*,.time-group>*,.download-item>*{min-width:0}.field,.mode-field{display:grid;gap:8px}.field span,.mode-field legend{color:var(--ultra);font-size:0.78rem;font-weight:900;letter-spacing:0.1em;text-transform:uppercase}.time-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px}.time-part{display:grid;gap:6px}.time-part span{color:var(--pulse);font-size:0.68rem;letter-spacing:0.08em;text-align:center}.interval-title{display:inline-flex;align-items:center;gap:6px}.interval-number{min-width:24px;min-height:24px;display:inline-flex;align-items:center;justify-content:center;color:#fff8fb;border:1px solid rgba(88,96,200,0.44);border-radius:50%;background:rgba(88,96,200,0.18);box-shadow:0 0 8px rgba(88,96,200,0.12);font-size:0.75rem;line-height:1}.time-field{text-align:center}.mode-field{margin:0;padding:0;align-content:end;border:0}.mode-field label{min-height:38px;display:flex;align-items:center;gap:9px;color:var(--text)}input[type="file"],input[type="number"],input[type="text"]{width:100%;min-height:46px;padding:10px 12px;color:var(--text);border:1px solid rgba(73,184,116,0.22);border-radius:6px;background:rgba(0,0,0,0.28);outline:none}input[type="radio"]{accent-color:var(--ultra)}input:focus{border-color:var(--ultra);box-shadow:0 0 0 3px rgba(88,96,200,0.1)}.hint,.duration-label{margin:0;color:var(--muted)}.preview-panel{display:grid;gap:12px}.preview-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.preview-panel[hidden],.interval-panel[hidden]{display:none}video{width:100%;max-height:460px;border:1px solid rgba(88,96,200,0.15);border-radius:6px;background:#000}.interval-panel{padding:14px;display:grid;gap:12px;border:1px solid rgba(73,184,116,0.2);border-radius:var(--radius);background:linear-gradient(135deg,rgba(73,184,116,0.045),transparent 44%),rgba(0,0,0,0.18)}.interval-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.interval-header h2{margin:0;color:var(--ultra);font-size:1rem;text-transform:uppercase}.interval-list{display:grid;gap:10px}.interval-row{padding:10px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;align-items:end;gap:10px;border:1px solid rgba(73,184,116,0.12);border-radius:6px;background:rgba(0,0,0,0.16)}.button-primary,.button-secondary,.button-danger,.icon-button,.download-link{min-height:42px;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#16070d;border:1px solid rgba(73,184,116,0.24);border-radius:6px;background:linear-gradient(135deg,var(--ultra),var(--slate-glow));box-shadow:inset 0 -3px 0 rgba(0,0,0,0.28),0 4px 0 rgba(0,0,0,0.34);font-weight:900;text-transform:uppercase;text-decoration:none}.download-link{width:42px;min-width:42px;padding:0;font-size:1.1rem}.download-link:hover,.download-link:focus-visible{text-decoration:none;outline:none}.button-primary{justify-self:center;min-width:220px}.button-secondary{justify-self:start}.button-danger{color:#fff;border-color:rgba(229,92,112,0.44);background:linear-gradient(135deg,#a82d45,#d94d66);box-shadow:inset 0 -3px 0 rgba(0,0,0,0.24),0 4px 0 rgba(70,12,24,0.92)}.button-small{min-width:126px;min-height:36px;padding:7px 10px}.icon-button{width:42px;padding:0}.icon-button--danger{color:#fff;background:linear-gradient(135deg,#a82d45,#d94d66)}.remove-file-button{justify-self:start}.button-primary:active,.button-secondary:active,.button-danger:active,.icon-button:active,.download-link:active{transform:scaleY(0.92);transform-origin:bottom}.button-primary:disabled,.button-secondary:disabled,.button-danger:disabled,.icon-button:disabled{cursor:not-allowed;opacity:0.68}.download-item{margin-top:12px;padding:14px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:end;gap:12px;border:1px solid rgba(73,184,116,0.15);border-radius:var(--radius);background:rgba(0,0,0,0.18)}.download-name-field{display:grid;gap:6px}.download-preview{width:100%;max-height:320px;grid-column:1 / -1;border:1px solid rgba(88,96,200,0.17);border-radius:6px;background:#000}.download-meta{display:grid;gap:2px;color:var(--muted);font-family:"Cascadia Mono","Segoe UI",monospace;font-weight:800}.download-error{grid-column:1 / -1;min-height:1.2em;color:#ffb6c2}.is-invalid{border-color:var(--ultra);animation:input-alert-pulse 950ms ease-in-out 2;box-shadow:0 0 0 3px rgba(88,96,200,0.1),0 0 12px rgba(88,96,200,0.1)}.info-panel h2{margin:0 0 12px;color:var(--ultra)}.info-panel p{margin:10px 0 0;color:var(--muted)}.privacy-note{padding:10px 12px;border-left:3px solid var(--pulse);border-radius:6px;background:rgba(73,184,116,0.045)}dialog{color:var(--text);border:1px solid rgba(88,96,200,0.24);border-radius:var(--radius);background:var(--panel);box-shadow:0 18px 52px var(--shadow)}dialog::backdrop{background:rgba(0,0,0,0.72)}.loading-dialog{width:min(420px,calc(100% - 28px));padding:14px;text-align:center}.loading-dialog[open]{display:grid;justify-items:center;gap:8px}.loading-dialog h2{margin:0;color:var(--ultra);font-size:1rem;line-height:1.15;text-transform:uppercase}.loading-dialog p,.confirm-dialog p{margin:0;color:var(--muted)}#loadingTimer{min-width:86px;padding:7px 12px;color:var(--pulse);border:1px solid rgba(73,184,116,0.24);border-radius:6px;background:rgba(73,184,116,0.055);font-family:inherit}.cancel-process-button{margin-top:4px}.confirm-dialog{width:min(380px,calc(100% - 28px));padding:14px}.confirm-dialog form{display:grid;gap:10px}.dialog-header{min-height:32px;display:flex;align-items:center;justify-content:space-between;gap:12px}.dialog-header h2{margin:0;color:var(--ultra);font-size:1rem;line-height:1.15;text-transform:uppercase}.dialog-close{width:32px;height:32px;flex:0 0 32px;color:#fff;border:1px solid #fff;border-radius:6px;background:#a82d45;font-weight:900}.dialog-actions{display:flex;justify-content:center;gap:18px}.noscript-alert{width:min(1080px,calc(100% - 32px));margin:16px auto 0;padding:12px 14px;color:#ffe1e8;border:1px solid rgba(229,92,112,0.34);border-radius:var(--radius);background:rgba(255,79,109,0.12)}@keyframes cursor-blink{50%{opacity:0}}@keyframes notice-pulse{0%,100%{box-shadow:0 0 14px rgba(88,96,200,0.035),0 14px 34px var(--shadow)}50%{border-color:rgba(73,184,116,0.62);box-shadow:0 0 0 2px rgba(73,184,116,0.09),0 0 20px rgba(73,184,116,0.12),0 14px 34px var(--shadow)}}@keyframes input-alert-pulse{50%{border-color:rgba(255,255,255,0.72);box-shadow:0 0 0 3px rgba(88,96,200,0.12),0 0 16px rgba(88,96,200,0.12)}}@media (max-width:760px){.mute-shell{width:calc(100% - 20px)}.limit-strip{justify-content:center;text-align:center}.form-grid,.interval-row,.download-item{grid-template-columns:1fr}.preview-actions{width:100%}.button-primary,.button-secondary,.button-danger{width:100%}.button-small{width:auto}body{padding-bottom:0}}@media (max-width:425px){.mode-field{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:10px}.mode-field legend{grid-column:1 / -1}.mode-field label{min-height:42px;padding:8px 9px;justify-content:center;border:1px solid rgba(73,184,116,0.15);border-radius:6px;background:rgba(0,0,0,0.18);font-size:0.86rem;text-align:center}.download-item{grid-template-columns:minmax(0,1fr) auto;align-items:center}.download-name-field,.download-error{grid-column:1 / -1}.download-meta{display:contents}.download-meta small{grid-column:1 / -1;text-align:center}.download-meta span{grid-column:1;align-self:center}.download-link{grid-column:2;align-self:center}.interval-remove-button{justify-self:center}}@media (width:320px){.confirm-dialog{width:calc(100% - 18px);padding:10px}.confirm-dialog form{gap:8px}.dialog-actions{gap:10px}.dialog-actions .button-small{min-width:92px;padding-inline:10px}}.file-details,.loading-timer,.download-size,.duration-label,.interval-number{font-family:var(--font-data),"Cascadia Mono","Segoe UI",monospace}