/* Trankon e-Mail visual identity: warm paper, deep teal, amber accents, editorial serif headings. */
/* Bundled fonts (SIL Open Font License; see /fonts/LICENSE-*.txt). Served from this origin: no outside font service. */
@font-face{font-family:"Inter Variable";font-style:normal;font-display:swap;font-weight:100 900;src:url(/fonts/inter-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter Variable";font-style:normal;font-display:swap;font-weight:100 900;src:url(/fonts/inter-latin-ext-wght-normal.woff2) format("woff2-variations");
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Newsreader Variable";font-style:normal;font-display:swap;font-weight:200 800;src:url(/fonts/newsreader-latin-wght-normal.woff2) format("woff2-variations");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader Variable";font-style:italic;font-display:swap;font-weight:200 800;src:url(/fonts/newsreader-latin-wght-italic.woff2) format("woff2-variations");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --bg:#eaeff8;--surface:#fcfdff;--surface2:#f0f4fb;--text:#0e1a33;--muted:#4f5d78;--border:#d3dbeb;
  --accent:#1553cf;--accent-ink:#fff;--accent-bg:#dbe7fd;--accent2:#26a4f2;--accent2-bg:#d3ecfd;
  --hover:#e4ecf9;--unread:#ffffff;--read:#f4f7fc;--danger:#b42318;--star:#d97706;
  --rail:#0b1d4a;--rail-ink:#c8d7f3;--rail-active:#1d4db3;
  --shadow:0 1px 2px rgba(14,26,51,.12),0 8px 24px rgba(14,26,51,.16);
  --radius:14px;
  --serif:"Newsreader Variable","Newsreader",ui-serif,"Iowan Old Style",Georgia,"Times New Roman",serif;
  --sans:"Inter Variable","Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
:root[data-theme=dark]{
  --bg:#080e1f;--surface:#101a30;--surface2:#17233f;--text:#e7eefb;--muted:#92a3c4;--border:#22335a;
  --accent:#5eaaff;--accent-ink:#04152e;--accent-bg:#183160;--accent2:#38b6ff;--accent2-bg:#10375a;
  --hover:#1a2a4a;--unread:#101a30;--read:#0c1527;--danger:#f4a29b;--star:#f59e0b;
  --rail:#050a18;--rail-ink:#a9bbdd;--rail-active:#183c82;
  --shadow:0 1px 2px rgba(0,0,0,.45),0 8px 24px rgba(0,0,0,.55);
}
*{box-sizing:border-box}
html,body,#app{height:100%;margin:0}
body{font:14px/1.5 var(--sans);font-feature-settings:'cv11','ss03','tnum' 0;font-optical-sizing:auto;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
/* every form control follows the theme (zero specificity so component styles still win) */
:where(input:not([type=checkbox]):not([type=radio]):not([type=file]):not([type=range]),select,textarea){background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:6px 8px}
:where(input,select,textarea)::placeholder{color:var(--muted);opacity:1}
a{color:var(--accent)}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;font-optical-sizing:auto}
:focus-visible{outline:2px solid var(--accent2);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.icon-btn{background:none;border:0;border-radius:10px;width:36px;height:36px;display:inline-grid;place-items:center;color:var(--muted)}
.icon-btn:hover{background:var(--hover);color:var(--text)}
.btn{border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:7px 14px;font-weight:500}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--danger)}
.btn:disabled{opacity:.55;cursor:default}

/* sign-in */
.login{min-height:100%;display:grid;place-items:center;padding:16px;
  background:radial-gradient(1200px 500px at 10% -10%,var(--accent-bg),transparent 60%),radial-gradient(900px 500px at 110% 110%,var(--accent2-bg),transparent 60%),var(--bg)}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:40px;width:min(430px,100%);box-shadow:var(--shadow)}
.login-card h1{font-size:30px;margin:14px 0 4px}
.login-card p{color:var(--muted);margin:0 0 24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px}
.logo svg{width:40px;height:40px}
.field{display:block;margin-bottom:14px}
.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;letter-spacing:.3px;text-transform:uppercase}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:0;box-shadow:0 0 0 3px var(--accent-bg)}
.error{color:var(--danger);margin:8px 0;min-height:1.2em}

/* shell: app rail | stage(topbar + folders + content) */
.shell{display:grid;grid-template-columns:76px minmax(0,1fr);height:100%}
.rail{background:var(--rail);color:var(--rail-ink);display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:4px}
.rail-logo{width:46px;height:46px;border:0;background:none;padding:0;margin-bottom:14px;display:grid;place-items:center;border-radius:14px}
.rail-logo svg{width:40px;height:40px}
.rail-item{position:relative;width:64px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 6px;border:0;background:none;color:var(--rail-ink);border-radius:14px;font-size:11px}
.rail-item:hover{background:rgba(255,255,255,.08)}
.rail-item.active{background:var(--rail-active);color:#fff}
.rail-item .badge{position:absolute;top:2px;right:8px;background:var(--accent2);color:#04162e;border-radius:10px;font-size:10px;font-weight:700;padding:0 5px;line-height:16px}
.rail .spacer{flex:1}
.rail .avatar{margin:6px 0 2px}
.stage{display:grid;grid-template-rows:60px minmax(0,1fr);min-width:0;height:100%}
/* same two columns as .main: wordmark above the folders, search exactly over the panel (left and right edges) */
.topbar{display:grid;grid-template-columns:232px minmax(0,1fr);align-items:center;padding:0 16px 0 0;min-width:0}
.topbar .wordmark{padding-left:20px}
.topbar .menu-toggle{display:none}
.wordmark{font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.wordmark small{font-family:var(--sans);font-weight:500;font-size:12px;color:var(--muted);margin-left:6px;letter-spacing:.8px;text-transform:uppercase}
.search{margin-left:4px;min-width:0;display:flex;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:0 10px;height:42px;gap:6px}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}
.search input{flex:1;background:none;border:0;outline:0;height:100%}
.theme-switch{color:var(--muted)}
.kbd{font:600 11px var(--sans);border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:1px 6px;color:var(--muted)}
.spacer{flex:1}
.avatar{width:36px;height:36px;border-radius:12px;background:var(--accent2);color:#04162e;display:inline-grid;place-items:center;font-weight:700;border:0}
.main{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:0}
.nav{padding:4px 8px 12px 12px;overflow:auto}
.compose-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:linear-gradient(180deg,var(--grad1,#2d74e6),var(--grad2,#1553cf));color:#fff;border:0;border-radius:var(--radius);padding:10px 16px;font-weight:700;margin:2px 0 12px;box-shadow:0 2px 0 rgba(0,0,0,.12)}
.compose-btn:hover{filter:brightness(1.06)}
.nav-item{position:relative;display:flex;align-items:center;gap:12px;padding:0 12px;height:32px;border-radius:10px;color:var(--text);cursor:pointer;margin:1px 0;border:0;background:none;width:100%;text-align:left}
.nav-item:hover{background:var(--hover)}
.nav-item.active{background:var(--accent-bg);font-weight:600}
.nav-item.active:before{content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:4px;border-radius:0 4px 4px 0;background:var(--accent)}
.nav-item svg{opacity:.8}
.nav-item .count{margin-left:auto;font-size:11px;font-weight:700;color:var(--accent);background:var(--accent-bg);border-radius:9px;padding:0 7px}
.nav-item.active .count{background:var(--accent);color:var(--accent-ink)}
.nav-item .dot{width:12px;height:12px;border-radius:4px;flex:none}
.nav h3{font:700 11px var(--sans);color:var(--muted);margin:18px 0 4px 12px;display:flex;justify-content:space-between;align-items:center;letter-spacing:.9px;text-transform:uppercase}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:18px;margin:0 16px 16px 4px;display:flex;flex-direction:column;min-height:0;min-width:0;overflow:hidden;box-shadow:0 1px 0 rgba(0,0,0,.03)}
.toolbar{display:flex;align-items:center;gap:4px;padding:3px 12px;border-bottom:1px solid var(--border);min-height:42px;flex-wrap:wrap}
.toolbar .info{margin-left:auto;color:var(--muted);font-size:12px}
.pane-title{font-family:var(--serif);font-size:22px;font-weight:600;padding:10px 16px 2px;margin:0}
.list{overflow:auto;flex:1;padding:4px 8px 10px}

/* message rows: two-line cards with an avatar lead */
.row{position:relative;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:0 12px;padding:5px 12px;margin:2px 0;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;background:var(--read)}
.row:hover{border-color:var(--border);background:var(--hover)}
.row.unread{background:var(--unread);border-color:var(--border)}
.row.unread:before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:0 4px 4px 0;background:var(--accent2)}
.row.sel{background:var(--accent-bg);border-color:var(--accent)}
.row.focus{outline:2px solid var(--accent);outline-offset:1px}
.lead{position:relative;width:32px;height:32px;grid-row:1 / span 2}
.lead .av{width:32px;height:32px;border-radius:11px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px}
.lead input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer;z-index:2}
.lead .tick{position:absolute;inset:0;border-radius:11px;background:var(--accent);color:var(--accent-ink);display:none;place-items:center;font-weight:700;pointer-events:none}
.lead input:checked ~ .tick{display:grid}
.row .line1{display:flex;gap:8px;align-items:baseline;min-width:0}
.row .from{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.row:not(.unread) .from{font-weight:500}
.row .date{flex:none;font-size:12px;color:var(--muted)}
.row.unread .date{color:var(--accent);font-weight:600}
.row .line2{display:flex;gap:6px;align-items:center;min-width:0;color:var(--muted)}
.row .subj{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .subj b{color:var(--text);font-weight:600}
.row:not(.unread) .subj b{font-weight:500}
.row .side{grid-row:1 / span 2;grid-column:3;display:flex;align-items:center;gap:2px}
.row .actions{display:none;gap:0}
.row:hover .actions{display:flex}
.row .actions .icon-btn{width:30px;height:30px}
.chip{display:inline-block;border-radius:6px;padding:0 7px;font-size:11px;line-height:18px;color:#fff;margin-right:2px;font-weight:600;flex:none}
.star{background:none;border:0;color:var(--muted);padding:0;width:28px;height:28px;display:inline-grid;place-items:center;border-radius:8px}
.star svg{fill:none}
.star.on svg{fill:currentColor}
.star:hover{color:var(--star);background:var(--hover)}
.star.on{color:var(--star)}
.empty{padding:64px 24px;text-align:center;color:var(--muted);font-family:var(--serif);font-size:18px}

/* conversation */
.thread{overflow:auto;flex:1;padding:18px 28px 36px}
.thread h2{font-size:28px;font-weight:600;margin:4px 0 18px;line-height:1.2}
.msg{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;background:var(--surface);overflow:hidden}
.msg-head{display:flex;gap:12px;align-items:center;padding:12px 16px;cursor:pointer;background:var(--surface2)}
.msg.collapsed .msg-head{background:var(--surface)}
.msg-head .avatar{border-radius:14px;color:#fff}
.msg-head .who{flex:1;min-width:0}
.msg-head .who b{font-weight:600}
.msg-head .meta,.meta{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg-body{padding:14px 16px 16px}
.msg.collapsed .msg-body{display:none}
.msg.collapsed .meta.snippet{display:block}
.banner{background:var(--accent2-bg);color:var(--text);border:1px solid var(--accent2);border-radius:10px;padding:8px 12px;margin:0 0 12px;font-size:13px;display:flex;gap:12px;align-items:center}
.banner.warn{background:#fde4e1;border-color:#e0786d;color:#7a1a12}
:root[data-theme=dark] .banner.warn{background:#3a1a17;color:#f6c6c1}
.plain{white-space:pre-wrap;word-wrap:break-word;font-family:inherit}
iframe.mail{width:100%;border:0;display:block;min-height:40px;background:#fff;color-scheme:light;border-radius:8px}
.att-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.att{display:flex;gap:8px;align-items:center;border:1px solid var(--border);border-radius:10px;padding:8px 12px;text-decoration:none;color:var(--text);font-size:13px;background:var(--surface2)}
.att:hover{background:var(--hover)}
.reply-bar{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}

/* compose: a drawer that slides in from the right */
.compose{position:fixed;right:0;top:0;bottom:0;width:min(600px,100vw);background:var(--surface);border-left:1px solid var(--border);
  box-shadow:-12px 0 40px rgba(14,26,51,.22);display:flex;flex-direction:column;z-index:50;animation:slide-in .18s ease-out}
@keyframes slide-in{from{transform:translateX(24px);opacity:0}to{transform:none;opacity:1}}
.compose.min{top:auto;bottom:16px;right:16px;width:260px;height:auto;border:1px solid var(--border);border-radius:14px}
.compose.min .cbody{display:none}
.compose.max{width:min(980px,100vw)}
.chead{background:var(--rail);color:var(--rail-ink);padding:0 8px 0 18px;height:52px;display:flex;align-items:center;font-family:var(--serif);font-size:17px;font-weight:600;cursor:pointer}
.compose.min .chead{border-radius:14px}
.chead .icon-btn{width:32px;height:32px;color:var(--rail-ink)}
.chead .icon-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.cbody{display:flex;flex-direction:column;flex:1;min-height:0}
.crow{display:flex;align-items:center;border-bottom:1px solid var(--border);padding:0 16px;min-height:44px;position:relative}
.crow label{color:var(--muted);width:56px;flex:none;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.crow input{flex:1;border:0;background:none;outline:0;padding:10px 0}
.crow a{font-size:12px;margin-left:10px;cursor:pointer;font-weight:600}
.ceditor{flex:1;overflow:auto;padding:16px;outline:0;min-height:120px;font-size:15px;line-height:1.55}
.ceditor:empty:before{content:attr(data-ph);color:var(--muted)}
.cfoot{display:flex;align-items:center;gap:6px;padding:10px 14px;border-top:1px solid var(--border);flex-wrap:wrap;background:var(--surface2)}
.fmt button{background:none;border:0;width:30px;height:30px;border-radius:8px}
.fmt button:hover{background:var(--hover)}
.suggest{position:absolute;left:72px;top:100%;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;z-index:60;min-width:280px;max-height:220px;overflow:auto}
.suggest div{padding:8px 12px;cursor:pointer}
.suggest div:hover,.suggest div.on{background:var(--hover)}
.cattach{display:flex;gap:6px;flex-wrap:wrap;padding:6px 14px}
.pill{border:1px solid var(--border);border-radius:10px;padding:2px 10px;font-size:12px;display:inline-flex;gap:6px;align-items:center;background:var(--surface)}
.pill button{border:0;background:none;padding:0}

/* menus, toast, dialogs */
.menu{position:fixed;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px;padding:6px 0;z-index:80;min-width:210px}
.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 16px}
.menu button:hover{background:var(--hover)}
.menu hr{border:0;border-top:1px solid var(--border);margin:6px 0}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:24px;background:var(--rail);color:#fff;border-radius:12px;padding:12px 18px;z-index:100;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow);max-width:min(560px,92vw)}
.toast button{background:none;border:0;color:var(--accent2);font-weight:700}
.modal-bg{position:fixed;inset:0;background:rgba(12,20,19,.55);display:grid;place-items:center;z-index:90;padding:16px}
.modal{background:var(--surface);border-radius:20px;padding:26px;width:min(580px,100%);max-height:90vh;overflow:auto;box-shadow:var(--shadow)}
.modal h2{margin:0 0 16px;font-size:24px}
.modal .btns{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
table.simple{width:100%;border-collapse:collapse}
table.simple td,table.simple th{padding:9px 8px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
code,pre.code{background:var(--surface2);border-radius:6px;padding:2px 5px;word-break:break-all;font-size:12px}

/* data storage */
.drive-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;padding:16px;overflow:auto;flex:1;align-content:start}
.file{border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:6px;cursor:pointer;background:var(--surface);position:relative}
.file:hover{background:var(--hover);border-color:var(--accent)}
.file .ico{font-size:34px}
.file .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.file .sub{color:var(--muted);font-size:12px}
.dropzone{outline:3px dashed var(--accent);outline-offset:-8px}
.crumbs{display:flex;gap:4px;align-items:center;flex:1;flex-wrap:wrap}
.crumbs button{background:none;border:0;padding:6px 8px;border-radius:10px;font-family:var(--serif);font-size:18px;font-weight:600}
.crumbs button:hover{background:var(--hover)}
.bar{height:8px;background:var(--surface2);border-radius:4px;overflow:hidden;margin:6px 20px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2))}

/* calendar */
.cal-head{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));padding:8px 4px 4px;color:var(--muted);font-size:11px;text-align:center;text-transform:uppercase;letter-spacing:.8px}
.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));grid-auto-rows:minmax(96px,1fr);flex:1;overflow:auto;border-top:1px solid var(--border)}
.cal-cell{border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:5px;min-width:0;cursor:pointer;overflow:hidden}
.cal-cell:hover{background:var(--hover)}
.cal-cell.other{background:var(--read);color:var(--muted)}
.cal-cell.today{background:var(--accent2-bg)}
.cal-cell.today .cal-num{background:var(--accent2);color:#04162e;border-radius:8px;font-weight:700}
.cal-num{font-size:12px;margin-bottom:2px;width:26px;height:24px;display:inline-grid;place-items:center}
.cal-ev{color:#fff;border-radius:6px;padding:0 7px;margin:2px 0;font-size:12px;line-height:19px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-more{font-size:11px;color:var(--muted);padding-left:4px}

/* phones: rail becomes a bottom tab bar, folders slide in from the left */
@media (max-width:860px){
  .shell{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) 62px}
  .rail{grid-row:2;flex-direction:row;justify-content:space-around;padding:4px 6px;gap:0}
  .rail-logo,.rail .spacer{display:none}
  .rail-item{width:auto;flex:1;padding:6px 0 4px}
  .rail .avatar{margin:0}
  .stage{grid-row:1}
  .main{grid-template-columns:minmax(0,1fr)}
  .nav{position:fixed;left:0;top:60px;bottom:62px;width:272px;background:var(--surface);z-index:40;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  .nav.open{transform:none}
  .panel{margin:0 8px 8px}
  .wordmark small,.kbd{display:none}
  .topbar{display:flex;gap:8px;padding:0 12px 0 8px}
  .topbar .wordmark{padding-left:0}
  .search{margin-left:0;flex:1}
  .topbar .menu-toggle{display:inline-grid}
  .toolbar .info{display:none}
  .thread{padding:14px 14px 28px}
  .cal-grid{grid-auto-rows:minmax(64px,1fr)}.cal-ev{font-size:10px;padding:0 3px}
  .compose{width:100vw}
  .compose.min{width:200px;bottom:70px}
}
@media print{.rail,.topbar,.nav,.toolbar,.reply-bar{display:none!important}.shell,.main,.stage{display:block}.panel{margin:0;border:0}}

@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.skip-link{position:absolute;left:8px;top:-60px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:10px;z-index:200;text-decoration:none;font-weight:600}
.skip-link:focus{top:8px}
#panel:focus{outline:none}

/* ---- appearance: backgrounds and translucent "glass" panels ----
   Without a background everything stays solid. With one, surfaces become tinted glass: --glass is the
   person's opacity (0.45-1) and --glass-blur the frosting, so the photo shows through but text stays readable. */
#bgfx{position:fixed;inset:0;z-index:-1;background-size:cover;background-position:center;background-repeat:no-repeat;background-color:var(--bg);display:none}
html[data-bg] #bgfx{display:block}
#bgfx::after{content:"";position:absolute;inset:0;background:color-mix(in srgb,var(--bg) calc(var(--bg-dim,0)*1%),transparent)}
html[data-bg] body,html[data-bg] #app{background:transparent}
html[data-bg]{--glass:.62;--glass-blur:14px}
html[data-bg] .panel,html[data-bg] .nav,html[data-bg] .topbar,html[data-bg] .rail,html[data-bg] .login-card{
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(1.35);backdrop-filter:blur(var(--glass-blur)) saturate(1.35)}
html[data-bg] .panel{background:color-mix(in srgb,var(--surface) calc(var(--glass)*100%),transparent);border-color:color-mix(in srgb,var(--border) 70%,transparent);
  box-shadow:0 1px 0 rgba(255,255,255,.12) inset,0 10px 40px rgba(0,0,0,.18)}
html[data-bg] .nav{background:color-mix(in srgb,var(--surface) calc(var(--glass)*85%),transparent);border:1px solid color-mix(in srgb,var(--border) 70%,transparent);
  border-radius:18px;margin:0 0 16px 12px;padding:10px 8px 12px}
html[data-bg] .nav-item.active:before{left:-8px}
html[data-bg] .topbar{background:color-mix(in srgb,var(--surface) calc(var(--glass)*85%),transparent);border-bottom:1px solid color-mix(in srgb,var(--border) 70%,transparent);margin:0 0 12px;padding-left:0}
html[data-bg] .rail{background:color-mix(in srgb,var(--rail) calc(var(--glass)*100% + 10%),transparent)}
html[data-bg] .toolbar{border-bottom-color:color-mix(in srgb,var(--border) 60%,transparent)}
html[data-bg] .row{background:color-mix(in srgb,var(--read) calc(var(--glass)*70%),transparent)}
html[data-bg] .row.unread{background:color-mix(in srgb,var(--unread) calc(var(--glass)*95%),transparent)}
html[data-bg] .row:hover{background:color-mix(in srgb,var(--hover) 88%,transparent)}
html[data-bg] .search{background:color-mix(in srgb,var(--surface) calc(var(--glass)*100%),transparent)}
html[data-bg] .login{background:transparent}
html[data-bg] .login-card{background:color-mix(in srgb,var(--surface) calc(var(--glass)*100% + 8%),transparent)}
@supports not (backdrop-filter:blur(1px)){html[data-bg] .panel,html[data-bg] .nav,html[data-bg] .topbar{background:var(--surface)}}
@media (prefers-reduced-transparency:reduce){html[data-bg]{--glass:1;--glass-blur:0px}}
@media (max-width:760px){html[data-bg] .nav{margin-left:0}}

/* picker in Settings */
.bg-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:8px 0 16px}
.bg-tile{position:relative;border:2px solid var(--border);border-radius:14px;padding:0;overflow:hidden;aspect-ratio:16/10;background:var(--surface2);cursor:pointer;display:block}
.bg-tile img,.bg-tile .swatch{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bg-tile span.cap{position:absolute;left:0;right:0;bottom:0;padding:14px 8px 5px;font-size:11px;font-weight:600;color:#fff;text-align:left;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.bg-tile[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}
.bg-tile[aria-pressed=true]:after{content:"✓";position:absolute;top:6px;right:6px;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-size:13px;font-weight:700}
.bg-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 24px;max-width:720px}
.bg-controls label{display:block;font-size:12px;color:var(--muted);margin:8px 0}
.bg-controls input[type=range]{width:100%;accent-color:var(--accent)}
.bg-credit{font-size:12px;color:var(--muted)}

/* refinement: calmer motion, softer edges, a touch more depth */
.btn,.icon-btn,.nav-item,.rail-item,.row,.compose-btn,.bg-tile{transition:background-color .15s,border-color .15s,box-shadow .15s,filter .15s,transform .15s}
.compose-btn{background:linear-gradient(180deg,var(--grad1,#2d74e6),var(--grad2,#1553cf));color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.3) inset,0 6px 16px color-mix(in srgb,var(--grad2,#1553cf) 40%,transparent)}
.compose-btn:hover{transform:translateY(-1px)}
.row{box-shadow:0 1px 0 rgba(14,26,51,.03)}
.row:hover{box-shadow:0 4px 14px rgba(14,26,51,.08)}
.panel{box-shadow:0 1px 0 rgba(255,255,255,.5) inset,0 12px 32px -12px rgba(14,26,51,.25)}
:root[data-theme=dark] .panel{box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 12px 32px -12px rgba(0,0,0,.6)}
.list::-webkit-scrollbar{width:10px}.list::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--muted) 35%,transparent);border-radius:8px;border:2px solid transparent;background-clip:content-box}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---- density: compact (very tight, one line), comfortable (default), expanded (the roomy two-line look) ---- */
html[data-density=compact] body{font-size:13px}
html[data-density=compact] .row{grid-template-columns:22px minmax(110px,200px) minmax(0,1fr) auto auto;gap:0 10px;padding:0 8px;margin:0;border-radius:7px;min-height:28px;border-color:transparent;box-shadow:none}
html[data-density=compact] .row.unread,html[data-density=compact] .row:hover{border-color:transparent}
html[data-density=compact] .row .line1{display:contents}
html[data-density=compact] .row .from{grid-column:2;grid-row:1}
html[data-density=compact] .row .line2{grid-column:3;grid-row:1}
html[data-density=compact] .row .date{grid-column:4;grid-row:1;font-size:11px}
html[data-density=compact] .row .side{grid-column:5;grid-row:1}
html[data-density=compact] .lead,html[data-density=compact] .lead .av,html[data-density=compact] .lead .tick{width:20px;height:20px;grid-row:1;border-radius:7px;font-size:10px}
html[data-density=compact] .row.unread:before{top:5px;bottom:5px;width:3px}
html[data-density=compact] .nav-item{height:26px;font-size:13px;gap:10px;margin:0}
html[data-density=compact] .nav h3{margin-top:10px}
html[data-density=compact] .compose-btn{padding:6px 12px;margin:0 0 8px;border-radius:10px}
html[data-density=compact] .toolbar{min-height:32px;padding:1px 10px}
html[data-density=compact] .toolbar .icon-btn{width:28px;height:28px}
html[data-density=compact] .pane-title{font-size:17px;padding:6px 14px 0}
html[data-density=compact] .list{padding:2px 6px 6px}
html[data-density=compact] .star{width:22px;height:22px}
html[data-density=compact] .row .actions .icon-btn{width:24px;height:24px}
html[data-density=compact] .topbar{grid-template-rows:auto}
html[data-density=expanded] .row{grid-template-columns:44px minmax(0,1fr) auto;gap:2px 14px;padding:10px 14px;margin:4px 0;border-radius:16px;align-items:start}
html[data-density=expanded] .lead,html[data-density=expanded] .lead .av,html[data-density=expanded] .lead .tick{width:40px;height:40px;border-radius:14px;font-size:15px}
html[data-density=expanded] .row .from{font-size:14.5px}
html[data-density=expanded] .row .line2{align-items:flex-start}
html[data-density=expanded] .row .subj{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.5}
html[data-density=expanded] .row .side{align-self:start}
html[data-density=expanded] .row.unread:before{top:10px;bottom:10px}
html[data-density=expanded] .nav-item{height:38px}
html[data-density=expanded] .toolbar{min-height:50px;padding:6px 14px}
html[data-density=expanded] .pane-title{font-size:24px;padding:14px 18px 4px}
html[data-density=expanded] .compose-btn{padding:13px 16px;margin:4px 0 16px}
html[data-density=expanded] .list{padding:6px 10px 12px}
html[data-density=expanded] .msg-body{padding:16px 18px 20px}
.density-opts{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 24px}
.density-opts .btn[aria-pressed=true]{border-color:var(--accent);background:var(--accent-bg);font-weight:600}
@media (max-width:760px){html[data-density=compact] .row{grid-template-columns:22px minmax(0,1fr) auto}html[data-density=compact] .row .line2{display:none}}
.row .line1,.row .line2{line-height:1.3}
.row{padding-block:4px}
.lead,.lead .av{width:30px;height:30px}
.row{grid-template-columns:34px minmax(0,1fr) auto}
html[data-density=expanded] .row{padding:8px 14px;margin:3px 0;grid-template-columns:42px minmax(0,1fr) auto}
html[data-density=expanded] .lead,html[data-density=expanded] .lead .av,html[data-density=expanded] .lead .tick{width:38px;height:38px}
html[data-density=expanded] .row .line1,html[data-density=expanded] .row .line2{line-height:1.4}
html[data-density=expanded] .nav-item{height:34px}
html[data-density=expanded] .toolbar{min-height:44px;padding:4px 12px}
html[data-density=expanded] .pane-title{font-size:22px;padding:10px 16px 2px}
html[data-density=expanded] .compose-btn{padding:11px 16px;margin:2px 0 12px}

/* ---- Trankon brand images ---- */
.brand img{display:block}
.brand .on-dark{display:none}
:root[data-theme=dark] .brand .on-light{display:none}
:root[data-theme=dark] .brand .on-dark{display:block}
.logo .brand-stacked img{height:96px;width:auto}
.login-card .logo{display:block}
.wordmark{display:flex;align-items:center}
.wordmark .brand-word img{height:17px;width:auto}
.wordmark small{margin-left:10px;padding-left:10px;border-left:1px solid var(--border)}
.rail-logo{width:52px;height:40px;background:#fff;border-radius:12px;margin-bottom:14px;box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 2px 8px rgba(0,0,0,.25)}
.rail-logo img{width:36px;height:auto;display:block}
.search input{min-width:0;width:100%}
.topbar .wordmark{flex:none}
@media (max-width:860px){.wordmark .brand-word img{height:14px}.topbar{min-width:0}}

/* accent colour picker */
.accent-opts{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 24px}
.accent-opt{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:5px 14px 5px 6px;font-weight:500}
.accent-opt i{width:22px;height:22px;border-radius:50%;display:block;box-shadow:0 0 0 2px var(--surface) inset}
.accent-opt[aria-pressed=true]{border-color:var(--accent);background:var(--accent-bg);font-weight:600}
/* two-letter initials */
.lead .av{font-size:12px;letter-spacing:.2px}
.avatar{letter-spacing:.2px}
html[data-density=compact] .lead .av{font-size:8.5px;letter-spacing:0}
html[data-density=expanded] .lead .av{font-size:14px}

/* contacts */
.contact-tools{display:flex;gap:8px;margin-bottom:12px;align-items:center}
.contact-search{flex:1;min-width:0;padding:9px 12px!important;border-radius:10px!important}
.contact-tools .btn[aria-pressed=true]{background:var(--accent-bg);border-color:var(--accent);font-weight:600}
.contact-list{display:flex;flex-direction:column;gap:4px}
.contact-row{display:grid;grid-template-columns:36px minmax(0,1.3fr) minmax(0,1.3fr) minmax(0,.8fr) auto;gap:12px;align-items:center;padding:7px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--read);cursor:pointer}
.contact-row:hover{background:var(--hover)}
.contact-row .avatar{width:34px;height:34px;font-size:12px}
.contact-row .cmain{display:flex;flex-direction:column;min-width:0}
.contact-row .cmain strong,.contact-row .cmail,.contact-row .cphone{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.contact-row small{color:var(--muted);font-size:12px}
.contact-row .cphone{color:var(--muted)}
.contact-row .cact{display:flex;gap:6px;align-items:center}
.contact-row .cact .btn{padding:4px 10px}
html[data-bg] .contact-row{background:color-mix(in srgb,var(--read) calc(var(--glass)*70%),transparent)}
.contact-form{display:flex;flex-direction:column;max-height:68vh;overflow:auto;padding:2px 4px 2px 0;min-width:min(520px,86vw)}
.contact-form .two{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
.contact-form .multi{display:flex;flex-direction:column;gap:6px;margin:-6px 0 8px}
.contact-form .multi-row{display:flex;gap:6px}
.contact-form .multi-row select{flex:none;width:96px}
.contact-form .multi-row input{flex:1;min-width:0}
.contact-form .check{display:flex;gap:8px;align-items:center;margin-top:6px}
.contact-form .field{margin-bottom:10px}
@media (max-width:860px){
  .contact-row{grid-template-columns:36px minmax(0,1fr) auto}
  .contact-row .cmail,.contact-row .cphone{display:none}
  .contact-form .two{grid-template-columns:1fr}
}
a.btn{text-decoration:none;color:var(--text);display:inline-block}

/* contact pictures, duplicates, group choices */
.has-photo{overflow:hidden;padding:0}
.has-photo img{width:100%;height:100%;object-fit:cover;display:block;border-radius:inherit}
.lead .av,.avatar{overflow:hidden}
.photo-row{display:flex;gap:14px;align-items:center;margin-bottom:12px}
.photo-preview{width:72px;height:72px;border-radius:22px;overflow:hidden;display:block;flex:none}
.photo-preview img{width:100%;height:100%;object-fit:cover;display:block}
.photo-preview .initials{width:100%;height:100%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:24px}
.groupsel{border:1px solid var(--border);border-radius:10px;margin:6px 0 4px;padding:6px 12px}
.groupsel legend{font-size:12px;color:var(--muted);padding:0 6px;text-transform:uppercase;letter-spacing:.3px}
.dups{display:flex;flex-direction:column;gap:12px;max-height:60vh;overflow:auto;min-width:min(520px,86vw)}
.dup-group{border:1px solid var(--border);border-radius:12px;padding:8px 12px;background:var(--surface2)}
.dup-row{display:flex;gap:10px;align-items:center;padding:5px 0;cursor:pointer}
.dup-row small{display:block;color:var(--muted)}
.dup-actions{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-top:6px}
.dup-actions .hint{color:var(--muted);font-size:12px}

/* sending limits */
.send-usage{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:10px 0}
.meter{height:8px;border-radius:6px;background:var(--surface2);border:1px solid var(--border);margin-top:6px;overflow:hidden}
.meter i{display:block;height:100%;background:var(--accent)}