*{box-sizing:border-box}body{margin:0;background:#eef0f6;color:#20283f;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0}button:focus-visible,a:focus-visible{outline:3px solid #6d68eb;outline-offset:3px}.app{max-width:640px;margin:auto;background:#f6f7fb;min-height:100dvh}header{padding:calc(22px + env(safe-area-inset-top)) 24px 22px;display:flex;align-items:center;justify-content:space-between}.brand{color:#5853d7;text-decoration:none;font-weight:800;font-size:24px}.brand span{font-size:19px;letter-spacing:-.5px}.avatar{background:#e6e5fa;color:#5853d7;width:42px;height:42px;border-radius:16px;font-weight:700}main{padding:18px 24px calc(110px + env(safe-area-inset-bottom))}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:750;color:#777394}h1{font-size:36px;letter-spacing:-1.6px;line-height:1.3;margin:12px 0}p{line-height:1.7}.intro{font-size:14px;color:#778096;margin:0 0 18px}.demo{font-size:12px;color:#685c95;background:#edeafa;border-radius:9px;padding:10px 12px}.sync{margin:20px 0 28px;padding:17px;background:#fff;border:1px solid #e8eaf2;border-radius:18px;display:flex;align-items:center;gap:10px;justify-content:space-between}.sync strong{font-size:14px}.sync p{font-size:11px;color:#7c8498;margin:5px 0 0}.pill{white-space:nowrap;background:#e9f5ee;color:#438261;padding:6px 9px;border-radius:20px;font-size:11px}.section-title{display:flex;justify-content:space-between;align-items:center}h2{font-size:19px;letter-spacing:-.5px}.text-button{background:none;color:#6b6689;font-size:12px;padding:12px 0}.filters{display:flex;background:#e9ebf3;border-radius:13px;padding:4px;gap:3px}.filters button{flex:1;background:none;padding:12px 3px;border-radius:10px;color:#7a8196;font-size:13px}.filters .selected{background:#fff;color:#5752d3;box-shadow:0 2px 5px #2524460c;font-weight:700}.filters span{margin-left:3px}.accounts{display:flex;overflow-x:auto;gap:8px;padding:18px 0}.accounts button{flex-shrink:0;border:1px solid #e4e6ee;background:#fff;color:#6e768c;border-radius:20px;font-size:12px;padding:9px 12px}.accounts .active{border-color:#6962e6;color:#5852ce;background:#efedff}i{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px}.gmail{background:#eb8278}.naver{background:#51b682}.icloud{background:#79a8e7}.outlook{background:#7a88d3}.mail{width:100%;text-align:left;background:white;border:1px solid #eaecf3;border-radius:18px;padding:18px;margin-bottom:12px;display:block}.mail-top{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#8b92a3}.mail-tag{font-size:11px;color:#bc8545;background:#fff4e5;padding:5px 8px;border-radius:6px}.mail h3{font-size:16px;margin:13px 0 7px;line-height:1.5;letter-spacing:-.3px}.mail .sender{font-size:12px;color:#8890a2;margin:0 0 9px}.mail .excerpt{font-size:13px;color:#697389;margin:0;line-height:1.7}.mail .action{border-top:1px solid #f0f1f6;padding-top:11px;margin-top:13px;color:#6761d0;font-size:12px}.footnote{text-align:center;font-size:11px;color:#979eb0;margin-top:28px}.bottom{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,640px);background:#ffffffed;border-top:1px solid #e9ebf3;display:flex;justify-content:space-around;padding:13px 12px calc(13px + env(safe-area-inset-bottom));backdrop-filter:blur(18px)}.bottom button{background:none;color:#929aae;display:flex;flex-direction:column;gap:5px;align-items:center;font-size:22px;min-width:70px;min-height:46px}.bottom span{font-size:11px}.bottom .current{color:#625bd7}dialog{border:0;border-radius:24px;padding:24px;width:calc(100% - 32px);max-width:460px;max-height:85dvh;overflow:auto;color:#263047;box-shadow:0 20px 70px #1112}dialog::backdrop{background:#24294366;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top button{background:#f2f3f8;border-radius:50%;height:40px;width:40px}.summary{background:#f4f3fd;padding:17px;border-radius:14px;margin:18px 0}.summary p{font-size:14px}.primary{width:100%;background:#655de1;color:#fff;padding:15px;border-radius:12px;margin-top:12px}.muted{font-size:12px;color:#8991a2}.empty{text-align:center;padding:45px 20px;color:#858da0;font-size:14px}#toast{position:fixed;bottom:110px;left:50%;transform:translateX(-50%);width:max-content;max-width:90%;border-radius:12px;background:#29314c;color:white;padding:12px 18px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s}#toast.show{opacity:1}@media(min-width:700px){.app{margin:24px auto;border-radius:28px;overflow:hidden;box-shadow:0 12px 50px #24254d09}h1{font-size:42px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.connection{background:#fff;border:1px solid #e8eaf2;border-radius:18px;padding:18px}.connection strong{font-size:15px}.connection p{font-size:13px;color:#778096;overflow-wrap:anywhere}.connection .muted{font-size:11px}.secondary{background:#efedff;color:#5852ce}button:disabled{cursor:wait;opacity:.55}[hidden]{display:none!important}.account-chip{border:1px solid #e4e6ee;background:#fff;color:#6e768c;border-radius:20px;font-size:12px;padding:9px 12px}#detail-body{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;font-size:13px;line-height:1.8}.original{display:block;color:#5852ce;font-size:14px;padding:14px 0}.sender,.excerpt,#detail-sender{overflow-wrap:anywhere}

.connected-account{border:1px solid #e8eaf2;padding:14px;border-radius:12px;margin:12px 0;overflow-wrap:anywhere}.connected-account strong{font-size:13px}.account-actions{display:flex;justify-content:space-between;gap:16px}.account-error,.account-warning p{color:#a35a3a;font-size:12px}.mail-top{gap:8px}.mail-top>span:first-child{overflow-wrap:anywhere;min-width:0}.mail-tag{flex-shrink:0}

.provider-buttons{display:flex;gap:8px}.provider-buttons button{font-size:12px}form label{display:block;margin:16px 0;font-size:13px}form input,form select{width:100%;padding:12px;margin-top:6px;border:1px solid #dfe2ec;border-radius:8px;font:inherit}#imap-error{color:#a35a3a;font-size:13px}

/* One application shell: mobile bottom navigation, desktop account sidebar. */
.workspace-heading,.workspace-sidebar,.inbox-pane{min-width:0}
.sidebar-accounts h2{display:none}
@media(min-width:960px){
  body{background:#eef0f6}
  .app{max-width:1440px;width:calc(100% - 48px);margin:24px auto;min-height:calc(100dvh - 48px);border-radius:24px}
  header{padding:22px 32px;border-bottom:1px solid #e7e9f2;background:#ffffff90}
  main{padding:32px;display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px 36px;align-items:start}
  .workspace-heading{grid-column:1/-1}
  h1{font-size:36px;line-height:1.25;margin:10px 0}
  h1 br{display:none}
  .intro{margin:0}
  .workspace-sidebar{grid-column:1;grid-row:2;display:flex;flex-direction:column;gap:20px}
  .connection{padding:20px;order:1}
  .connection strong{display:block;line-height:1.5}
  .connection .primary{font-size:13px;line-height:1.5}
  .provider-buttons{flex-direction:column;gap:0}
  .bottom{position:static;transform:none;width:100%;order:-1;display:flex;flex-direction:column;gap:4px;border:1px solid #e8eaf2;border-radius:18px;padding:8px;background:#fff;backdrop-filter:none}
  .bottom button{flex-direction:row;gap:12px;width:100%;padding:12px 14px;border-radius:10px;text-align:left;font-size:20px}
  .bottom span{font-size:14px;font-weight:600}
  .bottom .current{background:#efedff}
  .sidebar-accounts{background:#fff;border:1px solid #e8eaf2;border-radius:18px;padding:16px}
  .sidebar-accounts h2{display:block;margin:0 0 12px;font-size:13px;color:#777e92}
  .accounts{flex-direction:column;overflow:visible;padding:0;gap:6px}
  .accounts button{width:100%;text-align:left;border-radius:10px;white-space:normal;overflow-wrap:anywhere;line-height:1.5}
  .inbox-pane{grid-column:2;grid-row:2}
  .sync{margin:0 0 24px;padding:18px 20px}
  .filters{max-width:560px;margin-bottom:22px}
  .mail{padding:22px 24px}
  .mail h3{font-size:18px}
  .mail .excerpt{font-size:14px}
  dialog#detail{max-width:800px;padding:32px}
  dialog#account-dialog{max-width:600px}
  #toast{bottom:28px}
}
@media(min-width:1200px){main{grid-template-columns:320px minmax(0,1fr)}}

.folder-controls{background:#fff;border:1px solid #e8eaf2;border-radius:14px;padding:14px;margin:16px 0}.folder-controls label{font-size:13px;margin-right:12px}.folder-controls select{max-width:100%;padding:10px;border:1px solid #dfe2ec;border-radius:8px;font:inherit}.message-tools{border:1px solid #e8eaf2;padding:14px;border-radius:14px;margin:16px 0}.message-toolbar,.move-controls,.confirm-buttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.message-toolbar button,.move-controls button{padding:10px 12px;border-radius:9px;background:#efedff;color:#5852ce;font-size:13px}.message-toolbar .danger{background:#fff0ee;color:#b64e42}.move-controls select{flex:1;min-width:0;max-width:100%;padding:9px;border:1px solid #dfe2ec;border-radius:8px}textarea{width:100%;padding:12px;border:1px solid #dfe2ec;border-radius:10px;font:inherit;line-height:1.6;resize:vertical}#action-confirm-preview{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;line-height:1.7;background:#f6f7fb;padding:16px;border-radius:12px}.confirm-buttons>*{flex:1}.check-label input{width:auto;margin-right:6px}button:disabled{cursor:not-allowed}

.account-actions{flex-wrap:wrap;gap:6px 16px}#reply-address,#action-confirm-description{overflow-wrap:anywhere}