body{color:var(--ink);background:var(--paper)}body>header{height:86px;padding:14px 32px}.message-brand{display:flex;align-items:center;gap:14px;min-width:0;font-size:24px}.message-brand img{width:56px;height:56px;border-radius:12px}.workspace>main{min-width:0;margin:0;width:100%;max-width:none;padding:20px 24px}.back-link{display:inline-flex;align-items:center;min-height:44px;margin-bottom:10px;font-weight:600}#editor{min-width:0}h1{font-size:28px;line-height:1.2;margin:0}h2{font-size:17px;margin:0}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}.studio-grid{display:grid;grid-template-columns:minmax(330px,1fr) minmax(360px,1fr);gap:22px;align-items:start}.studio-fields,.studio-panel,.preview-panel{min-width:0}.studio-panel,.preview-panel{padding:20px;border:1px solid var(--line);border-radius:14px;background:var(--surface,#fff)}.studio-panel+.studio-panel{margin-top:18px}.preview-panel{position:sticky;top:16px;padding:14px}.two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.two-col>div{min-width:0}label{display:block;font-size:13px;font-weight:600;margin:14px 0 7px}input,textarea,select{width:100%;min-width:0;min-height:44px;color:var(--ink);background:var(--input,#fff);border:1px solid var(--line);padding:10px;border-radius:9px;font:inherit}textarea{resize:vertical;line-height:1.6}input[type=color]{padding:5px;width:100%;height:44px}input[type=file]{font-size:12px;padding:8px}details{margin-top:18px}summary{font-size:14px;font-weight:600;min-height:38px;cursor:pointer}button{min-height:44px;border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:var(--surface,#fff);color:var(--ink);font-weight:600}button:disabled{cursor:not-allowed}.quiet{min-height:34px;font-size:12px;padding:6px 10px;margin-top:5px}#download-html{background:var(--accent);color:#fff}#send-message{background:var(--accent);color:white;min-width:150px}.sender-line{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:13px;margin:18px 0 12px}.sender-line strong{color:var(--muted);font-weight:500}.select-all{display:flex;align-items:center;gap:9px;min-height:44px}.select-all input,.contact-choice input{width:18px;height:18px;min-height:0;flex:none;accent-color:var(--accent)}.contact-choice{display:flex;align-items:center;gap:10px;min-height:52px;margin:0;padding:10px 0;border-top:1px solid var(--line)}.contact-choice span{display:flex;flex-direction:column;gap:4px;min-width:0;overflow-wrap:anywhere}.contact-choice small{font-size:12px;color:var(--muted);font-weight:400}.contact-choice:has(input:disabled){opacity:.65}#selected-count,.empty-results,#load-status,#desktop-only{font-size:13px;color:var(--muted)}#template-error{font-size:13px;color:#a02036}#template-error:empty,#load-status:empty{display:none}.preview-switch{display:flex;gap:6px}.preview-switch button{font-size:12px;padding:8px 10px}.preview-switch button[aria-pressed=true]{background:var(--accent);color:#fff}#preview-stage{background:var(--paper);padding:8px;border-radius:10px}#newsletter-preview{display:block;width:100%;height:730px;overflow:auto;border:0;background:#fff;margin:0 auto}#preview-stage.mobile #newsletter-preview{max-width:360px}#retry{margin-bottom:12px}@media(min-width:900px){#desktop-only{display:none}}@media(max-width:1199px){.studio-grid{grid-template-columns:minmax(0,1fr)}.preview-panel{position:static}.two-col{grid-template-columns:1fr 1fr}}@media(max-width:899px){#editor,#load-status,#retry,.message-sidebar{display:none!important}.workspace{display:block;min-height:0}.workspace>main{padding:12px 16px}body>header{padding:12px 17px;height:74px}.message-brand{font-size:20px}.message-brand img{width:45px;height:45px}}