/* THB Email Management System — sober, premium; THB oxblood #8A0304 */
:root{
  --brand:#8A0304; --brand-d:#6c0203; --brand-l:#f7ecec;
  --ink:#1d1d1f; --ink2:#4a4a4f; --mute:#8a8a90; --line:#e7e5e4; --bg:#f6f5f3; --card:#fff;
  --open:#8A0304; --pending:#b7791f; --closed:#2f7d4f;
  --r:10px; --shadow:0 1px 2px rgba(0,0,0,.04),0 2px 8px rgba(0,0,0,.04);
  font-family:"Inter","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:20px;margin:0;font-weight:600}
h1 small{font-size:13px;color:var(--mute);font-weight:500;margin-left:6px}
h2{font-size:16px;margin:0 0 14px;font-weight:600}
code{background:#f1efed;padding:2px 6px;border-radius:5px;font-size:12px;word-break:break-all}
.muted{color:var(--mute)} .small{font-size:12px} .pad{padding:10px 14px} .mt{margin-top:14px} .grow{flex:1} .nowrap{white-space:nowrap}
.pre{white-space:pre-wrap}
input,select,textarea{font:inherit;color:inherit;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(138,3,4,.08)}
input[type=checkbox]{width:auto;accent-color:var(--brand)}
input[type=color]{height:38px;padding:3px}
textarea{resize:vertical;line-height:1.55}
label{display:block;font-size:13px;color:var(--ink2);margin-bottom:12px}
label>input,label>select,label>textarea{margin-top:5px}
label.chk{display:inline-flex;align-items:center;gap:6px;margin:0;cursor:pointer}
fieldset{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px 2px;margin:0 0 14px}
legend{font-size:12px;font-weight:600;color:var(--brand);padding:0 6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:8px;padding:8px 14px;font:inherit;font-weight:500;cursor:pointer;white-space:nowrap;text-decoration:none!important}
.btn:hover{border-color:#cfcac6;background:#fbfaf9}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.ghost{background:transparent}
.btn.danger{color:#b42318}
.btn.danger:hover{background:#fef3f2;border-color:#f3c5c0}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.block,.block{width:100%}
.icon-btn{border:0;background:none;font-size:20px;cursor:pointer;color:var(--mute)}
.icon-btn.on{color:#d4a017}
form.inline{display:inline}

/* top bar */
.top{position:sticky;top:0;z-index:20;height:56px;display:flex;align-items:center;gap:14px;padding:0 18px;background:#fff;border-bottom:1px solid var(--line)}
.brand,.brand-lg{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);font-size:15px;white-space:nowrap}
.brand:hover{text-decoration:none}
.logo{background:var(--brand);color:#fff;font-weight:700;letter-spacing:.5px;padding:3px 7px;border-radius:6px;font-size:12px}
.brand-lg{font-size:20px;margin-bottom:6px}.brand-lg .logo{font-size:15px}
.topsearch{flex:1;max-width:560px;margin-left:24px}
.topsearch input{background:var(--bg);border-color:transparent}
.menu-btn{display:none;border:0;background:none;font-size:20px;cursor:pointer}
.me{position:relative;display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px}
.me-menu{display:none;position:absolute;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);min-width:160px;padding:4px}
.me:hover .me-menu{display:block}
.me-menu a{display:block;padding:8px 12px;color:var(--ink);border-radius:6px}
.me-menu a:hover{background:var(--bg);text-decoration:none}
.avatar{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;font-weight:600;font-size:13px;flex:none}
.avatar.sm{width:30px;height:30px;font-size:12px}

/* shell */
.shell{display:flex;min-height:calc(100vh - 56px)}
.side{width:236px;flex:none;background:#fff;border-right:1px solid var(--line);padding:12px 10px;position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto}
.side-h{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);margin:14px 10px 6px;font-weight:600}
.nav{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:7px;color:var(--ink2)}
.nav span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nav b{font-size:11px;font-weight:600;background:var(--bg);border-radius:10px;padding:1px 7px;color:var(--ink2)}
.nav:hover{background:var(--bg);text-decoration:none}
.nav.on{background:var(--brand-l);color:var(--brand);font-weight:600}
.nav.on b{background:var(--brand);color:#fff}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;flex:none;vertical-align:middle}
.sync-form{margin:18px 4px 4px}
.main{flex:1;min-width:0;padding:22px 26px 60px}

/* alerts */
.alert{padding:10px 14px;border-radius:8px;margin:0 0 14px;border:1px solid}
.alert.ok{background:#edf7f0;border-color:#cde8d6;color:#1f5f3a}
.alert.err{background:#fef3f2;border-color:#f6cdc8;color:#912018}
.alert.warn{background:#fffaeb;border-color:#f5deaa;color:#7a4b06}

/* page header + filters */
.page-h{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.filters{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.chip{padding:5px 12px;border-radius:20px;border:1px solid var(--line);background:#fff;color:var(--ink2);font-size:13px}
.chip:hover{text-decoration:none;border-color:#cfcac6}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
.sel-sm{width:auto;padding:5px 8px;font-size:13px}

/* list */
.bulkbar{display:flex;gap:8px;align-items:center;padding:8px 14px;background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:var(--r) var(--r) 0 0}
.list{background:#fff;border:1px solid var(--line);border-radius:0 0 var(--r) var(--r);overflow:hidden}
.row{display:flex;align-items:center;gap:12px;padding:11px 14px;border-top:1px solid var(--line);cursor:pointer}
.row:first-child{border-top:0}
.row:hover{background:#fbfaf9}
.row.unread{background:#fff}
.row.unread .who,.row.unread .row-sub b{font-weight:700;color:var(--ink)}
.row.unread::before{content:"";width:3px;align-self:stretch;margin:-11px 0 -11px -14px;background:var(--brand)}
.row:not(.unread) .row-sub b{font-weight:500}
.star{width:12px;color:#d4a017;font-size:13px}
.row-main{flex:1;min-width:0}
.row-top{display:flex;align-items:center;gap:8px}
.who{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:300px}
.cnt{font-size:11px;color:var(--mute);border:1px solid var(--line);border-radius:10px;padding:0 6px}
.row-sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink2);margin-top:1px}
.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:3px;flex:none;font-size:12px;min-width:120px}
.time{color:var(--ink2);font-weight:500}
.agent{color:var(--ink2);max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{font-size:11px;padding:1px 8px;border-radius:10px;color:var(--c);background:color-mix(in srgb,var(--c) 10%,#fff);border:1px solid color-mix(in srgb,var(--c) 25%,#fff);white-space:nowrap}
.st{font-size:11px;font-weight:600;padding:1px 8px;border-radius:10px}
.st-open{color:var(--open);background:#f9eded}
.st-pending{color:var(--pending);background:#fdf5e6}
.st-closed{color:var(--closed);background:#eaf5ee}
.pager{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:16px}
.empty{text-align:center;padding:60px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r);color:var(--ink2)}
.empty-ic{font-size:38px;color:#d6d2ce}

/* conversation */
.conv{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:20px;align-items:start}
.conv-h{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}
.conv-h>div{flex:1;min-width:0}
.conv-h h1{font-size:19px;overflow-wrap:anywhere}
.back{font-size:20px;color:var(--ink2);line-height:1.2}
.timeline{display:flex;flex-direction:column;gap:10px}
.msg{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.msg.out{border-left:3px solid #555}
.msg.in{border-left:3px solid var(--brand)}
.msg-h{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;cursor:pointer}
.msg-who{flex:1;min-width:0}
.msg-who b{font-weight:600}
.msg-who .muted{font-weight:400}
.msg .peek{display:none}
.msg.collapsed .peek{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg.collapsed .msg-b,.msg.collapsed .msg-who>.small:not(.peek){display:none}
.msg-b{padding:2px 16px 16px 56px}
.mailtext{white-space:normal;overflow-wrap:anywhere}
.mailframe{width:100%;border:0;min-height:60px;display:block}
details.quoted summary{cursor:pointer;color:var(--mute);display:inline-block;padding:0 8px;border:1px solid var(--line);border-radius:6px;margin-top:8px;list-style:none;font-size:12px}
details.quoted .mailtext{margin-top:8px;border-left:3px solid var(--line);padding-left:10px}
.atts{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.att{border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:13px;color:var(--ink);background:#fbfaf9}
.att:hover{border-color:var(--brand);text-decoration:none}
.note{background:#fffaeb;border:1px solid #f5deaa;border-radius:var(--r);padding:10px 14px}
.note-h{font-size:12px;margin-bottom:4px;color:#7a4b06}
.act{font-size:12px;color:var(--mute);padding:0 6px}

.composer{background:#fff;border:1px solid var(--line);border-radius:var(--r);margin-top:18px;padding:12px 14px;box-shadow:var(--shadow)}
.tabs{display:flex;gap:4px;margin-bottom:10px;border-bottom:1px solid var(--line)}
.tab{border:0;background:none;padding:8px 12px;font:inherit;color:var(--ink2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.on{color:var(--brand);border-color:var(--brand);font-weight:600}
.tabpane{display:none}.tabpane.on{display:block}
#pane-note textarea{background:#fffdf5}
.addr{display:flex;align-items:center;border-bottom:1px solid var(--line);padding:2px 0}
.addr label{width:56px;margin:0;color:var(--mute);flex:none}
.addr input,.addr select{border:0;box-shadow:none!important;padding:8px 4px}
.tpl-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:10px 0}
.composer textarea{margin-top:2px}
.composer-f{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
.file-btn{position:relative;margin:0;padding:6px 10px;border:1px dashed #cfcac6;border-radius:8px;cursor:pointer;font-size:13px}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-btn[data-n]:not([data-n=""])::after{content:" · " attr(data-n);color:var(--brand);font-weight:600}

.conv-side{display:flex;flex-direction:column;gap:12px;position:sticky;top:76px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow)}
.card-h{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);font-weight:600;margin-bottom:8px}
.seg{display:flex;flex-direction:column;gap:6px}
.seg-b{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 10px;text-align:left;cursor:pointer;font:inherit;color:var(--ink2)}
.seg-b.on{font-weight:600;border-color:currentColor}
.seg-b.st-open.on{color:var(--open);background:#f9eded}
.seg-b.st-pending.on{color:var(--pending);background:#fdf5e6}
.seg-b.st-closed.on{color:var(--closed);background:#eaf5ee}
.contact{display:flex;gap:10px;align-items:center;margin-bottom:12px;overflow-wrap:anywhere}
.mini{display:flex;flex-direction:column;padding:6px 0;border-top:1px solid var(--line);color:var(--ink)}
.mini span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card.actions{display:flex;gap:8px;flex-wrap:wrap}

/* forms / tables */
.form-card{max-width:860px}
.form-card.narrow{max-width:440px}
.form-card.composer{margin-top:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid2.tight{gap:0 10px}
.checks-row{display:flex;flex-direction:column;gap:8px;margin:4px 0 16px}
.form-f{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}
.table-card{padding:0;overflow:auto}
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);font-weight:600;padding:10px 14px;border-bottom:1px solid var(--line);background:#fbfaf9}
.tbl td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr.dim td{opacity:.55}
.err-t{color:#b42318}.ok-t{color:var(--closed)}
.help{margin-top:16px;display:flex;flex-direction:column;gap:8px;max-width:860px}
.split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:20px;align-items:start}
.split.even{grid-template-columns:1fr 1fr}
.tpl{margin-bottom:10px}
.tpl-h{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:20px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.kpi span{display:block;font-size:12px;color:var(--mute)}
.kpi b{font-size:24px;font-weight:600}
.kpi.warn b{color:var(--brand)}

/* auth */
body.auth{display:grid;place-items:center;min-height:100vh;padding:20px;background:linear-gradient(160deg,#fff 0%,var(--bg) 100%)}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;width:100%;max-width:400px;box-shadow:0 10px 40px rgba(0,0,0,.06);border-top:4px solid var(--brand)}
.auth-card.wide{max-width:560px}
.auth-card .btn{margin-top:6px}
.checks{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.checks span{font-size:12px;padding:3px 9px;border-radius:12px}
.checks .ok{background:#edf7f0;color:#1f5f3a}.checks .bad{background:#fef3f2;color:#912018}

/* responsive */
@media (max-width:1000px){
  .conv{grid-template-columns:1fr}
  .conv-side{position:static;order:-1;display:grid;grid-template-columns:1fr 1fr}
  .split,.split.even{grid-template-columns:1fr}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .topsearch,.me-name{display:none}
  .side{position:fixed;left:0;top:56px;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:var(--shadow)}
  body.side-open .side{transform:none}
  .main{padding:16px 12px 60px}
  .row-meta .agent{display:none}
  .row-meta{min-width:0}
  .who{max-width:140px}
  .row .tag{display:none}
  .msg-b{padding-left:16px}
  .grid2{grid-template-columns:1fr}
  .conv-side{grid-template-columns:1fr}
}

/* automation */
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:8px;margin-bottom:22px}
.flow div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;font-size:13px;color:var(--ink2)}
.flow b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--brand);color:#fff;font-size:12px;margin-right:6px}
h2.sec{display:flex;align-items:center;gap:12px;margin:26px 0 10px}
.cond{display:grid;grid-template-columns:200px 200px 1fr;gap:8px;margin-bottom:8px}
.cond .c-att{display:none}
.cond[data-f=attachment] .c-att{display:block}
.cond[data-f=attachment] .c-op,.cond[data-f=attachment] .c-val{display:none}
.cond[data-f=""] .c-op,.cond[data-f=""] .c-val{opacity:.5}
.team{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;margin:0 0 12px}
.lbl{font-size:11px;padding:1px 8px;border-radius:10px;background:#f1efed;color:var(--ink2);white-space:nowrap}
.late{font-size:11px;font-weight:600;color:#b42318;white-space:nowrap}
.autob{font-size:11px;font-weight:600;background:#eef2ff;color:#3b4ba8;border-radius:10px;padding:1px 7px}
.label-form{display:flex;gap:6px}
.icon-btn.sm{font-size:11px;padding:2px 4px}
.icon-btn:disabled{opacity:.25;cursor:default}
@media (max-width:760px){.cond{grid-template-columns:1fr}}
@media (max-width:760px){.top .brand{font-size:0}.top .brand .logo{font-size:12px}}
.logo-img{height:26px;width:auto;display:block;border-radius:3px}
.brand-lg .logo-img{height:44px;border-radius:5px}
.brand-lg{gap:12px}
@media (max-width:760px){.top .brand .logo-img{height:24px}}
.auth-card .brand-lg{font-size:17px;line-height:1.25}
.auth-card .brand-lg .logo-img{height:40px}