:root{--cs-ink:#242a49;--cs-muted:#707a96;--cs-border:#e0e5f0;--cs-purple:#7456df;--cs-soft:#f2edff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--cs-ink);font-family:'Manrope','DM Sans',Arial,sans-serif}button,input,textarea,select{font:inherit}.cs-wrap{width:min(1390px,calc(100% - 38px));margin-inline:auto}.cs-kicker{font-size:10px;font-weight:900;letter-spacing:.16em;color:#7656d2}.cs-intro{background:radial-gradient(ellipse at 88% 10%,#e7ddff,transparent 46%),linear-gradient(120deg,#fff,#f8f9ff);padding:35px 0;border-bottom:1px solid #e7e9f4}.cs-intro-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}.cs-intro h1{font-size:clamp(30px,4vw,52px);letter-spacing:-.07em;line-height:1.12;margin:12px 0 8px}.cs-intro h1 em{font-style:normal;color:var(--cs-purple)}.cs-intro p{font-size:12px;line-height:1.75;color:#717d99;max-width:650px;margin:0}.cs-btn{border:1px solid transparent;border-radius:11px;padding:11px 15px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:7px;text-decoration:none;font-size:11px;font-weight:850;min-height:42px;white-space:nowrap}.cs-btn-main{background:var(--cs-purple);color:#fff;box-shadow:0 7px 19px #7655dc25}.cs-btn-main:hover{background:#6142c8;color:#fff}.cs-btn-soft{color:#514773;background:#fff;border-color:#dddced}.cs-btn-soft:hover{background:#f8f5ff}.cs-btn:disabled{opacity:.55;cursor:not-allowed}.cs-fill{width:100%;margin-top:12px}.cs-editor{border:1px solid #e3e4f1;border-radius:21px;background:#fff;box-shadow:0 14px 50px #302d6c12;overflow:hidden;margin-top:26px;margin-bottom:60px}.cs-toolbar{padding:17px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#fcfbff;border-bottom:1px solid #e8e8f4}.cs-toolbar h2{font-size:21px;letter-spacing:-.04em;margin:3px 0}.cs-toolbar p{margin:0;color:#838ca3;font-size:10px}.cs-toolbar-actions{display:flex;gap:8px}.cs-work{display:grid;grid-template-columns:minmax(250px,298px) minmax(280px,1fr) minmax(245px,280px);align-items:start}.cs-left,.cs-right{display:grid;align-content:start;gap:12px;padding:12px;background:#f8f9ff}.cs-left{border-right:1px solid #e9e9f3}.cs-right{border-left:1px solid #e9e9f3}.cs-panel{background:#fff;border:1px solid var(--cs-border);border-radius:13px;padding:15px;min-width:0}.cs-panel-title{display:flex;gap:9px;margin-bottom:15px;align-items:flex-start}.cs-panel-title>span{width:28px;height:28px;display:grid;place-items:center;flex:none;border-radius:8px;background:#f0eaff;color:#7355ce;font-weight:850;font-size:10px}.cs-panel-title h3{font-size:13px;line-height:1.3;margin:1px 0 3px}.cs-panel-title p{font-size:9px;color:#8791aa;line-height:1.5;margin:0}.cs-panel label:not(.cs-toggle):not(.cs-music){display:block;font-size:10px;color:#424d6a;font-weight:800;margin:11px 0 6px}.cs-panel input[type=text],.cs-panel textarea,.cs-panel select{width:100%;background:#fbfcff;border:1px solid #dfe3f0;border-radius:9px;padding:10px 11px;outline-color:#9980ef;font-size:11px;color:#252b48}.cs-panel textarea{resize:vertical;line-height:1.5;min-height:79px}.cs-fields-row{display:grid;grid-template-columns:1fr 1fr;gap:9px}.cs-image-upload{display:block;position:relative;border:1px dashed #d4c9f6;background:#f9f7ff;color:#7159c8;font-size:9px;padding:10px 8px;border-radius:9px;cursor:pointer;margin-top:6px}.cs-image-upload input,.cs-music input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.cs-inline-actions,.cs-example{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin:10px 0}.cs-inline-actions button,.cs-example button,.cs-inline-link{border:0;background:transparent;color:#7054cc;font-size:9px;font-weight:800;cursor:pointer;padding:4px 0}.cs-sender{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.cs-sender button,.cs-choice-grid button{border:1px solid #e1e4f0;background:#fafbff;color:#485373;border-radius:11px;min-height:52px;font-size:10px;font-weight:800;cursor:pointer}.cs-sender button{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:8px 10px;gap:2px}.cs-sender-role{font-size:9px;letter-spacing:.02em;color:#8a91a5}.cs-sender button strong{font-size:12px;line-height:1.2;color:#313a58}.cs-sender button[aria-pressed=true],.cs-choice-grid button[aria-pressed=true],.cs-ratios button[aria-pressed=true]{background:#eeeaff;border-color:#927cf0;color:#6244c1;box-shadow:inset 0 0 0 1px #c9bdff}.cs-hint{font-size:9px;color:#8993a7;line-height:1.6;margin:7px 0}.cs-messages-head{display:flex;justify-content:space-between;gap:5px;align-items:center;font-size:11px;margin:17px 0 9px}.cs-messages-head span{color:#817a9a;font-size:9px}.cs-message-list{display:grid;gap:7px}.cs-message-item{border:1px solid #e2e6f2;background:#fbfcff;border-radius:10px;padding:9px}.cs-message-item.is-me{border-color:#d8ede0;background:#f6fcf8}.cs-message-top{display:flex;align-items:center;gap:6px;margin-bottom:6px}.cs-person-label{font-size:9px;font-weight:900;color:#7862a7}.cs-message-item.is-me .cs-person-label{color:#319573}.cs-msg-num{margin-left:auto;color:#9ba3b5;font-size:9px}.cs-message-item textarea{min-height:50px;padding:7px;font-size:10px;line-height:1.45}.cs-msg-actions{display:flex;justify-content:flex-end;gap:7px;margin-top:5px}.cs-msg-actions button{border:1px solid #e0e4ed;background:#fff;color:#606b82;border-radius:6px;min-width:29px;min-height:26px;font-size:11px;cursor:pointer}.cs-msg-actions button:hover{background:#eeeaff}.cs-themes{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cs-themes button{padding:6px;border:1px solid #e1e4f0;border-radius:10px;background:#fbfcff;text-align:left;cursor:pointer}.cs-themes button[aria-pressed=true]{border-color:#9b87ef;box-shadow:0 0 0 2px #d8ccff}.cs-themes b{font-size:10px;padding:8px 3px 5px;display:block;color:#434b69}.cs-theme-art{display:flex;flex-direction:column;gap:7px;padding:12px 8px 9px;font-size:9px;border-radius:7px;height:75px;color:#444;align-items:flex-start}.cs-theme-art i{font-style:normal;margin-left:auto;padding:5px 7px;border-radius:6px}.theme-mint{background:#e8e2d7}.theme-mint i{background:#d5fad2}.theme-night{background:#1a262c;color:#f1f1f1}.theme-night i{background:#035849;color:#fff}.theme-blush{background:#fbe7ec}.theme-blush i{background:#ffc5dd}.theme-lilac{background:#ebe5fa}.theme-lilac i{background:#d0c0fd}.cs-toggle{display:flex;gap:8px;align-items:center;margin:16px 0 0;color:#525978;font-size:10px;font-weight:750;cursor:pointer}.cs-toggle input{accent-color:#7558db}.cs-range-title{display:flex;justify-content:space-between;gap:10px;margin:19px 0 7px}.cs-range-title label{margin:0!important}.cs-range-title b{font-size:10px;color:#7053ce}.cs-panel input[type=range]{width:100%;accent-color:#7658d8;cursor:pointer}.cs-choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.cs-choice-grid button{font-size:9px;padding:5px;min-height:42px}.cs-ratios{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.cs-ratios button{background:#fafbff;color:#555f7b;border:1px solid #dfe3ef;border-radius:8px;min-height:49px;font-size:10px;font-weight:850;cursor:pointer}.cs-ratios small{font-size:8px;font-weight:500}.cs-music{display:flex;position:relative;gap:12px;align-items:center;border:1px dashed #cbbaf0;border-radius:11px;background:#f8f5ff;padding:11px;cursor:pointer}.cs-music>span{font-size:21px;color:#7051d2}.cs-music strong{display:block;color:#4c476b;font-size:10px}.cs-music small{display:block;font-size:9px;color:#8b8aa3;line-height:1.6;margin-top:3px}.cs-tip-box{font-size:10px;line-height:1.7;color:#6a5e97;background:#f2eeff;border:1px solid #e5d9ff;padding:13px;border-radius:10px;margin-top:18px}.cs-preview-column{padding:15px;min-width:0}.cs-preview-card{border:1px solid #e1e4ef;border-radius:15px;overflow:hidden;box-shadow:0 13px 43px #37335712}.cs-preview-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px}.cs-preview-heading strong{font-size:11px}.cs-preview-heading small{display:block;color:#8b93a6;font-size:9px;margin-top:3px}.cs-chip{color:#7051d0;background:#f0ebff;border-radius:9px;font-size:9px;font-weight:900;padding:8px;white-space:nowrap}.cs-pulse{display:inline-block;width:6px;height:6px;background:#9f85ea;border-radius:50%;margin-right:5px}.cs-preview-themebar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 14px 12px;background:linear-gradient(180deg,#fff,#fcfcff)}.cs-preview-themebar>span{font-size:10px;font-weight:850;color:#66718b}.cs-preview-theme-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.cs-preview-theme-actions button{border:1px solid #dfdff1;background:#f7f7ff;color:#54607d;border-radius:999px;padding:7px 11px;font-size:10px;font-weight:850;cursor:pointer}.cs-preview-theme-actions button[aria-pressed=true]{background:#eee8ff;border-color:#9d8af0;color:#5e44c0;box-shadow:0 4px 14px #7654d414}.cs-stage{display:grid;place-items:center;background:radial-gradient(ellipse at 50% 12%,#ffffff,#edf1fa 55%,#e7ebf7 100%);padding:18px 11px;min-height:560px}.cs-frame{width:min(100%,325px);position:relative;height:auto;aspect-ratio:auto;border:7px solid #f8f8fb;border-radius:26px;overflow:hidden;box-shadow:0 28px 70px #14182e44,0 0 0 1px #d9deea inset;flex:none}.cs-frame canvas{display:block;width:100%;height:auto;aspect-ratio:9/16;cursor:pointer}.cs-center-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);height:54px;width:54px;border:1px solid #ffffff90;border-radius:50%;background:#1c2845aa;color:#fff;backdrop-filter:blur(5px);cursor:pointer;font-size:19px}.cs-center-play[hidden]{display:none}.cs-player{padding:13px 16px;background:#fcfcff}.cs-player-top{display:flex;gap:7px;align-items:center;color:#737f99;font-size:10px}.cs-player-top button{width:32px;height:30px;border:1px solid #e1d9ff;border-radius:8px;background:#efebff;color:#5b44b3;font-size:12px;cursor:pointer}.cs-player-duration{margin-left:-4px}.cs-player-top #stageStatus{margin-left:auto;font-size:9px;color:#8f98ad;white-space:nowrap}.cs-player input{width:100%;accent-color:#755add;margin-top:10px}.cs-export-row{display:grid;grid-template-columns:1fr 1.4fr;gap:8px;padding:0 15px 12px}.cs-preview-foot{font-size:9px;color:#838ea5;line-height:1.7;margin:0;padding:0 16px 16px}.cs-preview-tip{margin-top:12px;border:1px solid #e6dbfb;border-radius:12px;background:#f6f2ff;padding:13px;display:flex;gap:11px}.cs-preview-tip>span{font-size:22px;color:#7659d5}.cs-preview-tip strong{font-size:11px}.cs-preview-tip p{font-size:9px;line-height:1.7;color:#8087a1;margin:4px 0 0}.cs-mobile-tabs{display:none}.cs-info{background:#f7f7fd;border-block:1px solid #e8e9f3;padding:68px 0}.cs-info h2{font-size:clamp(26px,3.9vw,44px);letter-spacing:-.055em;margin:10px 0}.cs-info h3{font-size:18px;color:#323752}.cs-info p,.cs-faq p{font-size:12px;line-height:1.9;color:#69758d;max-width:1050px}.cs-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:29px 0 35px}.cs-steps article{background:#fff;border:1px solid #e2e5ef;border-radius:13px;padding:22px}.cs-steps article span{font-size:9px;letter-spacing:.1em;color:#7352d1;font-weight:900}.cs-steps article h3{font-size:15px;margin:12px 0}.cs-steps article p{font-size:11px}.cs-faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;padding-block:55px 76px}.cs-faq h2{font-size:30px;letter-spacing:-.05em}.cs-faq details{border-bottom:1px solid #e4e7f0;padding:17px 0}.cs-faq summary{font-size:12px;font-weight:850;cursor:pointer}.cs-faq p{margin:10px 0 0}.cs-modal{position:fixed;inset:0;z-index:500;background:#171b30a8;display:grid;place-items:center;padding:20px}.cs-modal[hidden]{display:none}.cs-modal-content{width:min(430px,100%);background:#fff;border-radius:19px;padding:30px;text-align:center;box-shadow:0 25px 60px #0005}.cs-modal-content h2{font-size:23px}.cs-modal-content p{font-size:12px;color:#7d879d;line-height:1.8}.cs-progress{height:11px;background:#e6e1f6;border-radius:20px;margin:23px 0 12px;overflow:hidden}.cs-progress div{width:0;height:100%;background:linear-gradient(90deg,#7651d9,#a893e8)}.cs-progress-meta{display:flex;justify-content:space-between;font-size:10px;color:#7d84a0;margin-bottom:17px}.cs-toast-stack{position:fixed;bottom:15px;right:15px;z-index:600;max-width:min(390px,calc(100vw - 30px));display:grid;gap:8px}.cs-toast{border-radius:10px;padding:12px 15px;background:#323852;color:#fff;font-size:11px;box-shadow:0 7px 23px #0002}.cs-toast.err{background:#913b58}.skip-link{position:absolute;top:-140px;left:10px;z-index:999}.skip-link:focus{top:8px}
@media(min-width:1500px){.cs-work{grid-template-columns:325px minmax(320px,1fr) 305px}}
@media(max-width:1140px) and (min-width:861px){.cs-work{grid-template-columns:250px minmax(250px,1fr) 240px}.cs-left,.cs-right{padding:9px}.cs-panel{padding:11px}.cs-preview-column{padding:8px}.cs-stage{min-height:440px}.cs-frame{max-width:260px}.cs-themes{grid-template-columns:1fr 1fr}}
@media(max-width:860px){.cs-wrap{width:calc(100% - 22px)}.cs-preview-themebar{padding:0 12px 10px;display:grid;grid-template-columns:1fr;align-items:start}.cs-preview-theme-actions{justify-content:flex-start}.cs-preview-theme-actions button{flex:1 1 calc(50% - 6px)}.cs-intro{padding:23px 0}.cs-intro-inner{display:block}.cs-intro .cs-btn{display:none}.cs-intro h1{font-size:33px}.cs-intro p{font-size:11px}.cs-editor{display:flex;flex-direction:column;margin-top:14px;margin-bottom:30px}.cs-toolbar{order:0;padding:15px;align-items:center}.cs-toolbar h2{font-size:16px}.cs-toolbar p{font-size:9px}.cs-toolbar-actions #resetBtn{display:none}.cs-work,.cs-left,.cs-right{display:contents}.cs-preview-column{order:1;padding:9px}.cs-preview-tip{display:none}.cs-stage{min-height:0;padding:12px 5px}.cs-frame{width:min(58vw,248px)!important;aspect-ratio:9/16;max-width:none}.cs-frame canvas{width:100%!important;height:auto!important;object-fit:contain}.cs-preview-heading{padding:10px 12px}.cs-preview-heading small{display:none}.cs-mobile-tabs{order:2;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:8px;background:#fafbff;border-top:1px solid #e9eaf6;border-bottom:1px solid #e9eaf6}.cs-mobile-tabs button{border:1px solid #e5e7f2;border-radius:9px;background:#f0f1fa;color:#626b83;min-height:40px;font-size:11px;font-weight:850;cursor:pointer}.cs-mobile-tabs button[aria-selected=true]{color:#fff;border-color:#6845ce;background:#6849d9;box-shadow:0 3px 12px #7654d62a}.cs-panel{order:3;margin:7px 10px;padding:15px;display:none}.cs-editor[data-active-tab=content] .cs-panel[data-tab=content],.cs-editor[data-active-tab=themes] .cs-panel[data-tab=themes],.cs-editor[data-active-tab=settings] .cs-panel[data-tab=settings]{display:block}.cs-steps{grid-template-columns:1fr}.cs-faq{grid-template-columns:1fr;gap:5px}.cs-info{padding:43px 0}.cs-export-row{padding-bottom:10px}.cs-work{border:none}}
@media(max-width:420px){.cs-wrap{width:calc(100% - 16px)}.cs-preview-theme-actions button{flex:1 1 calc(50% - 6px);padding:7px 9px}.cs-intro h1{font-size:29px}.cs-frame{width:min(55vw,230px)!important}.cs-stage{padding:8px 3px}.cs-toolbar-actions .cs-btn{min-height:37px;padding:9px 10px;font-size:10px}.cs-preview-heading .cs-chip{font-size:8px}.cs-export-row .cs-btn{font-size:10px;padding:10px}.cs-fields-row{gap:7px}.cs-panel{margin:6px 8px}.cs-message-item textarea{min-height:44px}}

/* Keep each mobile preview truly proportional to the selected video format. */
@media(max-width:860px){.cs-frame[data-ratio="1:1"]{width:min(78vw,360px)!important}.cs-frame[data-ratio="16:9"]{width:min(93vw,500px)!important}}