/* Officeblend v3.4 visual consistency + reading restoration.
   Scoped layouts keep the landing/login, admin and webmail styles independent.
   Applies last and preserves the existing light/dark design tokens. */
:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
html{min-width:320px;-webkit-text-size-adjust:100%}
body{min-width:320px;overflow-x:hidden}
button,input,select,textarea{font-family:inherit}
button, a, input, textarea, select{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #8b9df2;outline-offset:2px}
/* Public homepage and sign-in */
#app{min-width:0}
.auth-layout{min-width:0;grid-template-columns:minmax(0,500px) minmax(0,1fr)}
.auth-form-side{min-width:0;padding:clamp(24px,4vw,60px);align-items:stretch}
.auth-form-side .auth-panel,.auth-form-side .auth-copy,.auth-form-side .auth-bottom{width:100%;max-width:430px}
.auth-panel{min-width:0}
.auth-panel input,.auth-panel select,.auth-panel textarea{width:100%;max-width:100%;min-width:0}
.auth-art{min-width:0;overflow:hidden}
.topbar,.top-actions{min-width:0}
.topbar{gap:16px}
.topbar .mark{min-width:0}
.container{max-width:1200px}
/* App dashboard: prevent long email addresses, fields and cards from breaking columns */
.shell,.dash-main,.dash-content,.card,.card-pad,.mail-center,.mail-domains{min-width:0}
.dash-content{width:100%}
.dash-header,.welcome,.header-actions{flex-wrap:wrap}
.form-two input,.form-columns input,.admincard input{min-width:0;max-width:100%}
.table-wrap{max-width:100%;overflow-x:auto}
.mail-message-list,.message-detail{min-width:0}
.message-text{overflow-wrap:anywhere;white-space:pre-wrap}
/* Client webmail: restore calm three-column interface and independently scrolling panes */
#clientApp,#controlApp{min-width:0}
#clientApp .layout{width:100%;min-width:0;height:100dvh;min-height:0;grid-template-columns:244px minmax(0,1fr)}
#clientApp .sidebar{min-width:0;min-height:0;overscroll-behavior:contain}
#clientApp .right{min-width:0;min-height:0;overflow:hidden}
#clientApp .top{flex-shrink:0;min-width:0}
#clientApp .top .search{min-width:0}
#clientApp .topright{min-width:0;flex-shrink:0}
#clientApp .mailgrid{min-width:0;min-height:0;grid-template-columns:minmax(300px,37%) minmax(0,1fr);overflow:hidden}
#clientApp .mailboxlist{min-width:0;min-height:0;overflow:hidden}
#clientApp .rows{min-width:0;min-height:0;overflow:auto;overscroll-behavior:contain}
#clientApp .mailrow{width:100%;min-width:0;max-width:100%;cursor:pointer}
#clientApp .mailrow .row-content{min-width:0;overflow:hidden}
#clientApp .mailrow .rowtop{min-width:0}
#clientApp .mailrow .person,#clientApp .mailrow .subject,#clientApp .mailrow .preview{min-width:0;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}
#clientApp .reading{min-width:0;min-height:0;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain}
#clientApp .readhead,#clientApp .reader-topbar,#clientApp .readfiles{flex-shrink:0;min-width:0}
#clientApp .reader-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
#clientApp .reader-actions .secondary{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:35px;white-space:normal;text-align:center}
#clientApp .readhead h2{max-width:100%;overflow-wrap:anywhere}
#clientApp .readbody{min-width:0;flex:1;white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;line-height:1.8}
#clientApp .readbody a{color:var(--ob-brand,#4e58c8);text-decoration:underline;text-underline-offset:2px;overflow-wrap:anywhere}
#clientApp .reader-loading,#clientApp .reader-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:260px;max-width:520px;margin:auto;padding:30px 24px;text-align:center;color:var(--ob-muted,#67738a)}
#clientApp .reader-loading strong,#clientApp .reader-error h2{color:var(--ob-text,#26324c);font-size:18px}
#clientApp .reader-loading span,#clientApp .reader-error p{font-size:13px;line-height:1.6;overflow-wrap:anywhere}
#clientApp .reader-error button{margin-top:10px}
#clientApp .mail-page-controls{margin-top:auto;flex:none;gap:8px}
#clientApp .mail-page-controls button{white-space:nowrap}
#clientApp .authpage{min-height:100dvh;overflow:auto}
#clientApp .authcard{max-width:100%;min-width:0}
#clientApp .authcard input{min-width:0;max-width:100%}
#clientApp .dialog{max-width:min(650px,calc(100vw - 24px))}
#clientApp .dialogcontent{min-width:0}
/* Administrator pages: robust cards, actions and form spacing */
#controlApp .adminlayout{min-width:0}
#controlApp .adminmain{min-width:0;max-width:100%;overflow-x:clip}
#controlApp .adminheader{min-width:0;flex-wrap:wrap}
#controlApp .adminheaderactions{max-width:100%;flex-wrap:wrap}
#controlApp .admincard{min-width:0;max-width:100%}
#controlApp .admincard .split{min-width:0}
#controlApp .adminrow{min-width:0;flex-wrap:wrap}
#controlApp .adminrowactions{flex-wrap:wrap;min-width:0}
#controlApp .admincard button{max-width:100%;white-space:normal;overflow-wrap:anywhere}
#controlApp .admincard input,#controlApp .admincard textarea,#controlApp .admincard select{min-width:0;max-width:100%;width:100%}
#controlApp .metriccard{min-width:0}
@media(max-width:1100px){
  #clientApp .layout{grid-template-columns:218px minmax(0,1fr)}
  #clientApp .mailgrid{grid-template-columns:minmax(255px,43%) minmax(0,1fr)}
}
@media(max-width:900px){
  #clientApp .mailgrid{grid-template-columns:minmax(220px,45%) minmax(0,1fr)}
  .auth-layout{grid-template-columns:minmax(0,480px) minmax(0,1fr)}
}
@media(max-width:760px){
  .auth-layout{grid-template-columns:minmax(0,1fr)}
  .auth-form-side{min-height:100dvh;padding:26px max(20px,5vw);justify-content:center}
  .auth-form-side .auth-panel,.auth-form-side .auth-copy,.auth-form-side .auth-bottom{max-width:460px;margin-inline:auto}
  .auth-art{display:none}
  #clientApp .layout{display:block;height:100dvh;min-height:0}
  #clientApp .sidebar{width:min(310px,88vw)}
  #clientApp .right{height:100dvh}
  #clientApp .mailgrid{grid-template-columns:minmax(0,1fr);margin:0 7px 7px;height:calc(100dvh - 80px);min-height:0}
  #clientApp .mailgrid:not(.reading-open) .reading{display:none}
  #clientApp .mailgrid.reading-open .mailboxlist{display:none}
  #clientApp .mailgrid.reading-open .reading{display:flex}
  #clientApp .reader-topbar{gap:6px}
  #clientApp .readhead,#clientApp .readbody,#clientApp .readfiles{padding:18px}
  #clientApp .readhead h2{font-size:22px}
  #clientApp .reader-actions{gap:7px}
  #clientApp .reader-actions button{flex:0 0 auto}
  #controlApp .adminmain{padding:20px 15px 40px}
}
@media(max-width:440px){
  #clientApp .top{padding:8px;gap:5px}
  #clientApp .top .search{padding:9px 10px}
  #clientApp .topright{gap:2px}
  #clientApp .mailgrid{margin:0 4px 4px;height:calc(100dvh - 76px)}
  #clientApp .readhead,#clientApp .readbody{padding:15px}
  #clientApp .reader-actions button{font-size:11px;padding:8px 9px}
  #clientApp .authcard{padding:22px}
  #controlApp .adminmain{padding:15px 10px 30px}
}
/* The older landing stylesheet hides Sign in at <=420px. Keep it visible. */
@media(max-width:540px){
  .topbar{gap:8px}
  .topbar .mark{font-size:16px;letter-spacing:-.04em;flex-shrink:1}
  .topbar .logo{width:32px;height:32px;flex:none}
  .top-actions{gap:6px;flex-shrink:0}
  .top-actions .btn.secondary{display:inline-flex!important;padding:9px 11px;font-size:12px;white-space:nowrap}
  .top-actions .btn.primary{display:none}
  #controlApp .admin-mobile-nav{display:flex;flex-wrap:wrap;overflow-x:visible;gap:6px}
  #controlApp .admin-mobile-nav button{flex:1 1 auto;white-space:normal;padding:9px 10px;font-size:11px;text-align:center}
}