/* Chelkron Webmail — sign-in page and mail app. Same design as the Chelkron Mail dashboard (Workforce design). */
:root{
  --ink:#0F172A;--ink-2:#334155;--muted:#475569;--dim:#64748B;--faint:#94A3B8;
  --line:#E2E8F0;--line-2:#EEF2F7;--input:#CBD5E1;--bg:#F7F8FA;--card:#FFFFFF;--hover:#F1F5F9;
  --accent:#2563EB;--accent-ink:#1D4ED8;--accent-bg:#EFF6FF;--accent-line:#BFDBFE;
  --ok:#15803D;--ok-bg:#F0FDF4;--bad:#B91C1C;--bad-bg:#FEF2F2;--warn:#92400E;--warn-bg:#FFFBEB;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0}
body{background:var(--card);color:var(--ink);font-family:'Geist',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
a{color:var(--accent-ink);text-decoration:none}a:hover{text-decoration:underline}
button{font:inherit;color:inherit}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 14px;border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-p{background:var(--accent);color:#FFFFFF;box-shadow:0 1px 2px rgba(15,23,42,.12)}
.btn-p:hover{filter:brightness(.92);color:#FFFFFF}
.btn-p[disabled]{opacity:.6;cursor:default;filter:none}
.btn-s{background:#FFFFFF;border-color:var(--input);color:var(--ink-2)}
.btn-s:hover{background:#F8FAFC;color:var(--ink)}
.btn-danger{background:#FFFFFF;border-color:#FECACA;color:var(--bad)}
.btn-danger:hover{background:var(--bad-bg)}
.btn-lg{height:44px;font-size:15px;padding:0 18px}
.ib{width:36px;height:36px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;flex:none}
.ib:hover{background:var(--hover);color:var(--ink)}
.ib.bd{border-color:var(--line)}
.inp{height:44px;width:100%;border:1px solid var(--input);border-radius:8px;padding:0 14px;font:inherit;font-size:15px;color:var(--ink);background:#FFFFFF;margin:0}
.inp::placeholder{color:var(--dim)}
.inp:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(37,99,235,.15)}
.pill{display:inline-flex;align-items:center;gap:5px;height:22px;padding:0 9px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}

/* ───────── Sign-in ───────── */
.auth{min-height:100vh;display:flex;flex-wrap:wrap}
.formp{flex:1 1 540px;min-width:0;padding:40px 48px;display:flex;flex-direction:column;gap:40px}
.logo-row{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.logo-row:hover{text-decoration:none}
.logo-row em{font-style:normal;font-weight:500;color:var(--muted)}
.form-col{width:100%;max-width:420px;margin:auto;display:flex;flex-direction:column;gap:24px}
.head{display:flex;flex-direction:column;gap:8px}
.head h1{margin:0;font-size:30px;line-height:1.2;font-weight:600;letter-spacing:-.02em}
.head p{margin:0;font-size:15px;color:var(--muted)}
.form{display:flex;flex-direction:column;gap:18px;margin:0}
.fld{display:flex;flex-direction:column;gap:6px}
.lbl{font-size:14px;font-weight:500;color:var(--ink-2)}
.hint{font-size:13px;color:var(--dim)}
.pw{position:relative;display:flex;align-items:center}
.pw .inp{padding-inline-end:48px}
.eye{position:absolute;inset-inline-end:6px;width:36px;height:36px;border:0;border-radius:6px;background:transparent;color:var(--dim);cursor:pointer;display:flex;align-items:center;justify-content:center}
.eye:hover{background:var(--hover);color:var(--ink)}
.alert{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:8px;font-size:14px;margin:0;background:var(--bad-bg);border:1px solid #FECACA;color:#991B1B}
.alert svg{flex:none;margin-top:1px}
.wide{width:100%}
.copy{margin:0;font-size:13px;color:var(--muted)}
.brandp{flex:1 1 460px;min-width:0;background-color:#1E3A8A;color:#FFFFFF;padding:64px;display:flex;flex-direction:column;justify-content:center;gap:28px;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:44px 44px}
.brandp .kick{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.85)}
.brandp h2{margin:0;font-size:46px;line-height:1.08;font-weight:600;letter-spacing:-.03em;max-width:520px}
.brandp p{margin:0;font-size:17px;line-height:1.6;color:rgba(255,255,255,.86);max-width:440px}
.brandp ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px;max-width:460px}
.brandp li{padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);font-size:13px;font-weight:500}
@media (min-width:641px) and (max-width:1023px){.brandp{padding:48px 40px}.brandp h2{font-size:36px}}
@media (max-width:640px){.formp{padding:24px 20px;gap:28px}.brandp{display:none}.head h1{font-size:26px}}

/* ───────── Mail app ───────── */
body.wm{height:100vh;height:100dvh;overflow:hidden}
.wm-shell{display:flex;height:100vh;height:100dvh}

/* Folders */
.side{width:248px;flex:none;display:flex;flex-direction:column;border-inline-end:1px solid var(--line);background:#FBFCFD}
.side-top{display:flex;align-items:center;justify-content:space-between;gap:8px;height:64px;padding:0 16px 0 18px}
.side-close{display:none}
.compose-btn{margin:4px 14px 10px;height:42px;border-radius:10px;font-size:15px}
.folders{flex:1 1 auto;overflow-y:auto;padding:4px 10px;display:flex;flex-direction:column;gap:2px}
.fi{display:flex;align-items:center;gap:10px;height:38px;padding:0 10px;border-radius:8px;color:var(--ink-2);font-weight:500;cursor:pointer;border:0;background:transparent;width:100%;text-align:start}
.fi:hover{background:var(--hover);color:var(--ink)}
.fi.on{background:var(--accent-bg);color:var(--accent-ink)}
.fi svg{flex:none;color:var(--dim)}
.fi.on svg{color:var(--accent-ink)}
.fi .fn{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fi .fc{flex:none;min-width:22px;height:20px;padding:0 6px;border-radius:999px;background:var(--line);color:var(--ink-2);font-size:12px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}
.fi.on .fc{background:var(--accent);color:#FFFFFF}
.side-foot{border-top:1px solid var(--line);padding:12px 14px;display:flex;align-items:center;gap:10px}
.av{flex:none;width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;background:var(--accent-bg);color:var(--accent-ink)}
.who{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.who b{font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who span{font-size:12px;color:var(--dim)}

/* Message list */
.list{width:380px;flex:none;display:flex;flex-direction:column;border-inline-end:1px solid var(--line);min-width:0;background:#FFFFFF}
.list-head{display:flex;align-items:center;gap:8px;height:64px;padding:0 12px 0 18px;border-bottom:1px solid var(--line)}
.list-head .menu-btn{display:none}
.list-head h1{flex:1 1 auto;min-width:0;margin:0;font-size:18px;font-weight:600;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-head h1 small{font-size:13px;font-weight:500;color:var(--dim);margin-inline-start:6px}
.search{position:relative;padding:12px 14px;border-bottom:1px solid var(--line-2)}
.search svg{position:absolute;inset-inline-start:26px;top:50%;transform:translateY(-50%);color:var(--dim);pointer-events:none}
.search input{height:38px;font-size:14px;padding-inline-start:38px;background:#F8FAFC}
.search input:focus{background:#FFFFFF}
.search-note{padding:8px 18px;font-size:12px;color:var(--dim);border-bottom:1px solid var(--line-2);background:#FBFCFD}
.msgs{flex:1 1 auto;overflow-y:auto}
.mi{position:relative;display:flex;gap:12px;padding:12px 16px 12px 18px;border-bottom:1px solid var(--line-2);cursor:pointer;background:#FFFFFF;width:100%;text-align:start;border-inline:0;border-top:0}
.mi:hover{background:#F8FAFC}
.mi.on{background:var(--accent-bg)}
.mi.on::before{content:'';position:absolute;inset-block:0;inset-inline-start:0;width:3px;background:var(--accent)}
.mi .av{width:36px;height:36px}
.mi-b{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:3px}
.mi-r{display:flex;align-items:center;gap:8px}
.mi-s{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-2);font-weight:500}
.mi-d{flex:none;font-size:12px;color:var(--dim);display:inline-flex;align-items:center;gap:4px}
.mi-t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--dim);font-size:13px}
.mi.unread .mi-s{color:var(--ink);font-weight:700}
.mi.unread .mi-t{color:var(--ink-2);font-weight:600}
.mi.unread .mi-d{color:var(--accent-ink);font-weight:600}
.dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.more{display:flex;justify-content:center;padding:14px}
.state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:56px 24px;text-align:center;color:var(--dim)}
.state .ic{width:48px;height:48px;border-radius:12px;background:var(--hover);color:var(--dim);display:flex;align-items:center;justify-content:center}
.state b{color:var(--ink);font-size:15px;font-weight:600}
.state.err .ic{background:var(--bad-bg);color:var(--bad)}
.spin{display:inline-block;width:16px;height:16px;border:2px solid var(--input);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.skel{padding:14px 18px;border-bottom:1px solid var(--line-2);display:flex;gap:12px}
.skel i{display:block;border-radius:6px;background:linear-gradient(90deg,#EEF2F7 0,#F8FAFC 50%,#EEF2F7 100%);background-size:200% 100%;animation:sk 1.2s ease-in-out infinite}
@keyframes sk{to{background-position:-200% 0}}

/* Reading pane */
.read{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;background:var(--bg)}
.read-bar{display:flex;align-items:center;gap:6px;height:64px;padding:0 16px;border-bottom:1px solid var(--line);background:#FFFFFF;flex:none}
.read-bar .back{display:none}
.read-bar .sp{flex:1 1 auto}
.read-bar .btn{height:36px}
.read-body{flex:1 1 auto;overflow-y:auto;padding:24px}
.paper{max-width:900px;margin:0 auto;background:#FFFFFF;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.mh{padding:24px 28px 18px;border-bottom:1px solid var(--line-2)}
.mh h2{margin:0 0 16px;font-size:22px;line-height:1.3;font-weight:600;letter-spacing:-.015em;overflow-wrap:anywhere}
.mh-from{display:flex;align-items:flex-start;gap:12px}
.mh-from .av{width:40px;height:40px;font-size:14px}
.mh-who{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:2px}
.mh-who b{font-weight:600;overflow-wrap:anywhere}
.mh-who span{color:var(--dim);font-size:13px;overflow-wrap:anywhere}
.mh-date{flex:none;color:var(--dim);font-size:13px;text-align:end}
.mb{padding:24px 28px;font-size:15px;line-height:1.7;color:var(--ink-2);overflow-wrap:anywhere}
.mb iframe{display:block;width:100%;border:0;min-height:200px}
.atts{padding:16px 28px 24px;border-top:1px solid var(--line-2);display:flex;flex-direction:column;gap:10px}
.atts h3{margin:0;font-size:13px;font-weight:600;color:var(--muted)}
.att-grid{display:flex;flex-wrap:wrap;gap:10px}
.att{display:flex;align-items:center;gap:10px;max-width:280px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#FFFFFF;color:var(--ink)}
.att:hover{border-color:var(--accent-line);background:#F8FAFF;text-decoration:none}
.att .ai{flex:none;width:34px;height:34px;border-radius:8px;background:var(--accent-bg);color:var(--accent-ink);display:flex;align-items:center;justify-content:center}
.att .an{min-width:0;display:flex;flex-direction:column}
.att .an b{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.att .an span{font-size:12px;color:var(--dim)}
.att > svg{flex:none;color:var(--dim)}
.empty-read{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--dim);text-align:center;padding:24px}
.empty-read .ic{width:56px;height:56px;border-radius:14px;background:#FFFFFF;border:1px solid var(--line);color:var(--faint);display:flex;align-items:center;justify-content:center}

/* Compose: side panel on desktop, full screen on phones */
.cmp-wrap{position:fixed;inset:0;z-index:60;display:flex;justify-content:flex-end;background:rgba(15,23,42,.32)}
.cmp{width:min(640px,100%);height:100%;background:#FFFFFF;display:flex;flex-direction:column;box-shadow:-20px 0 40px -20px rgba(15,23,42,.3)}
.cmp-head{display:flex;align-items:center;gap:8px;height:64px;padding:0 12px 0 20px;border-bottom:1px solid var(--line);flex:none}
.cmp-head h2{flex:1 1 auto;margin:0;font-size:17px;font-weight:600}
.cmp-body{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;overflow-y:auto}
.cf{display:flex;align-items:center;gap:8px;min-height:48px;padding:0 20px;border-bottom:1px solid var(--line-2)}
.cf label{flex:none;width:64px;font-size:13px;font-weight:500;color:var(--dim)}
.cf input{flex:1 1 auto;min-width:0;height:46px;border:0;outline:none;font:inherit;font-size:15px;color:var(--ink);background:transparent}
.cf .cc-toggle{flex:none;border:0;background:transparent;color:var(--accent-ink);font-weight:600;font-size:13px;cursor:pointer;padding:6px}
.files{display:flex;flex-wrap:wrap;gap:8px;padding:12px 20px;border-bottom:1px solid var(--line-2)}
.files:empty{display:none}
.chip{display:inline-flex;align-items:center;gap:6px;max-width:100%;height:32px;padding:0 6px 0 10px;border:1px solid var(--line);border-radius:999px;background:#F8FAFC;font-size:13px}
.chip svg{flex:none;color:var(--dim)}
.chip .fn{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:220px}
.chip .fs{color:var(--dim);flex:none}
.chip button{flex:none;width:24px;height:24px;border:0;border-radius:50%;background:transparent;color:var(--dim);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.chip button:hover{background:var(--bad-bg);color:var(--bad)}
.cmp textarea{flex:1 1 auto;min-height:220px;border:0;outline:none;resize:none;padding:16px 20px;font:inherit;font-size:15px;line-height:1.6;color:var(--ink)}
.cmp-foot{display:flex;align-items:center;gap:8px;padding:12px 16px;border-top:1px solid var(--line);flex:none;flex-wrap:wrap}
.cmp-foot .sp{flex:1 1 auto}
.cmp-msg{flex:1 1 100%;margin:0;font-size:13px;color:var(--bad);order:-1}
.cmp-msg.ok{color:var(--ok)}
.limit{font-size:12px;color:var(--dim)}

/* Toast */
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);z-index:90;display:flex;align-items:center;gap:10px;max-width:calc(100% - 32px);padding:12px 16px;border-radius:10px;background:var(--ink);color:#FFFFFF;font-size:14px;font-weight:500;box-shadow:0 10px 30px -10px rgba(15,23,42,.5);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--bad)}

/* Phone compose button */
.fab{display:none}

/* Tablet: narrower list, folders become an icon rail */
@media (max-width:1180px){
  .list{width:330px}
}
@media (max-width:1023px){
  .side{width:68px}
  .side-top{justify-content:center;padding:0}
  .side-top .logo-row span{display:none}
  .compose-btn{margin:4px 10px 10px;padding:0;width:48px}
  .compose-btn .tx{display:none}
  .folders{padding:4px 10px}
  .fi{justify-content:center;padding:0;position:relative;height:44px}
  .fi .fn{display:none}
  .fi .fc{position:absolute;top:3px;inset-inline-end:2px;min-width:18px;height:16px;font-size:10px;padding:0 4px}
  .side-foot{flex-direction:column;padding:12px 0}
  .side-foot .who{display:none}
  .read-bar .lbl-t{display:none}
  .read-bar .btn{width:36px;padding:0}
}

/* Phone: one pane at a time; folders slide in from the side */
@media (max-width:760px){
  .side{position:fixed;inset-block:0;inset-inline-start:0;z-index:50;width:min(300px,85vw);transform:translateX(-105%);transition:transform .22s ease}
  [dir=rtl] .side{transform:translateX(105%)}
  .wm-shell.folders-open .side{transform:none;box-shadow:0 0 40px rgba(15,23,42,.25)}
  .side-top{justify-content:space-between;padding:0 12px 0 18px}
  .side-top .logo-row span{display:inline}
  .side-close{display:inline-flex}
  .compose-btn{margin:4px 14px 10px;width:auto;padding:0 14px}
  .compose-btn .tx{display:inline}
  .fi{justify-content:flex-start;padding:0 10px}
  .fi .fn{display:block}
  .fi .fc{position:static;min-width:22px;height:20px;font-size:12px;padding:0 6px}
  .side-foot{flex-direction:row;padding:12px 14px}
  .side-foot .who{display:flex}
  .scrim{position:fixed;inset:0;z-index:45;background:rgba(15,23,42,.4)}
  .list{width:100%;border:0}
  .list-head{padding:0 8px 0 8px;height:58px}
  .list-head .menu-btn{display:inline-flex}
  .read{position:fixed;inset:0;z-index:40;transform:translateX(105%);transition:transform .2s ease}
  [dir=rtl] .read{transform:translateX(-105%)}
  .wm-shell.reading .read{transform:none}
  .read-bar{height:58px;padding:0 8px}
  .read-bar .back{display:inline-flex}
  .read-body{padding:0}
  .paper{border:0;border-radius:0;min-height:100%}
  .mh{padding:18px 16px 14px}
  .mh h2{font-size:19px}
  .mh-from{display:grid;grid-template-columns:40px minmax(0,1fr);column-gap:12px;row-gap:4px}
  .mh-date{grid-column:2;text-align:start}
  .mb{padding:18px 16px}
  .atts{padding:14px 16px 20px}
  .att{max-width:100%;flex:1 1 100%}
  .cmp{width:100%;box-shadow:none}
  .cmp-head{height:58px;padding:0 8px 0 16px}
  .cf{padding:0 16px}
  .cf label{width:56px}
  .files{padding:10px 16px}
  .cmp textarea{padding:14px 16px}
  .fab{display:inline-flex;position:fixed;inset-inline-end:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:30;height:52px;padding:0 20px;border-radius:999px;box-shadow:0 10px 24px -8px rgba(37,99,235,.6)}
  .wm-shell.reading ~ .fab{display:none}
  #toast{bottom:84px}
}