:root {
    --bg:#09111e;
    --surface:#101a2b;
    --surface-2:#142036;
    --surface-3:#0d1728;
    --text:#f2f5fa;
    --muted:#91a0b6;
    --line:rgba(255,255,255,.085);
    --primary:#5c73ff;
    --primary-soft:rgba(92,115,255,.14);
    --primary-text:#aab7ff;
    --green:#34d399;
    --green-soft:rgba(52,211,153,.12);
    --orange:#f59e0b;
    --orange-soft:rgba(245,158,11,.12);
    --red:#f87171;
    --red-soft:rgba(248,113,113,.12);
    --purple:#a78bfa;
    --purple-soft:rgba(167,139,250,.12);
    --blue:#60a5fa;
    --blue-soft:rgba(96,165,250,.12);
    --sidebar-width:268px;
    --sidebar-collapsed-width:78px;
    --radius-sm:10px;
    --radius-md:13px;
    --radius-lg:17px;
    --content-padding:24px;
    --panel-padding:20px;
}

/* =========================================================
   Light theme
   ========================================================= */

html[data-theme="light"] {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-2: #eef2f8;
    --surface-3: #ffffff;

    --text: #172033;
    --muted: #68758a;

    --line: rgba(15, 23, 42, 0.11);

    --primary: #4f63e8;
    --primary-soft: rgba(79, 99, 232, 0.11);
    --primary-text: #4053c7;

    --green: #16865f;
    --green-soft: rgba(22, 134, 95, 0.10);

    --orange: #b86a08;
    --orange-soft: rgba(184, 106, 8, 0.10);

    --red: #cf3f4f;
    --red-soft: rgba(207, 63, 79, 0.10);

    --purple: #7655d8;
    --purple-soft: rgba(118, 85, 216, 0.10);

    --blue: #3479c9;
    --blue-soft: rgba(52, 121, 201, 0.10);
}

html[data-theme="light"] .msmail-sidebar {
    background: #ffffff;
}

html[data-theme="light"] .msmail-topbar {
    background: rgba(255, 255, 255, 0.92);
}

html[data-theme="light"] input,
html[data-theme="light"] select,
html[data-theme="light"] textarea {
    background: #f7f9fc;
}

html[data-theme="light"] .data-table thead th {
    background: rgba(15, 23, 42, 0.035);
}

*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:transparent transparent}
*:hover{scrollbar-color:rgba(148,163,184,.35) transparent}
html,body{min-height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px;line-height:1.5}
a{color:inherit}
button,input,select,textarea{font:inherit}

/* App shell */
.app-shell{min-height:100vh}
.main-shell{min-height:100vh;margin-left:var(--sidebar-width);transition:margin-left .18s ease}
.content{padding:var(--content-padding)}

/* Sidebar */
.sidebar{position:fixed;inset:0 auto 0 0;z-index:30;display:flex;flex-direction:column;width:var(--sidebar-width);padding:16px;overflow:hidden;border-right:1px solid var(--line);background:var(--surface-3);transition:width .18s ease,transform .18s ease}
.brand{display:flex;align-items:center;gap:12px;min-height:50px;color:inherit;text-decoration:none}
.brand-icon{display:grid;place-items:center;min-width:44px;height:44px;border-radius:var(--radius-md);background:var(--primary);color:#fff}
.brand-copy,.user-mini>span:last-child{display:grid;min-width:0;white-space:nowrap}
.brand-copy small,.user-mini small{color:var(--muted)}
.nav{display:grid;gap:5px;margin-top:24px}
.nav-link{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 11px;border-radius:var(--radius-sm);color:var(--muted);text-decoration:none;white-space:nowrap;transition:background .18s ease,color .18s ease}
.nav-link:hover,.nav-link.active{background:var(--primary-soft);color:#fff}
.nav-icon{display:grid;place-items:center;min-width:26px}
.sidebar-footer{display:grid;gap:12px;margin-top:auto}
.user-mini{display:flex;align-items:center;gap:11px;padding:10px}
.avatar{display:grid;place-items:center;flex:0 0 auto;min-width:38px;height:38px;border-radius:var(--radius-sm);background:var(--surface-2);font-weight:800}
.sidebar-collapsed .sidebar{width:var(--sidebar-collapsed-width)}
.sidebar-collapsed .main-shell{margin-left:var(--sidebar-collapsed-width)}
.sidebar-collapsed .brand-copy,.sidebar-collapsed .nav-label,.sidebar-collapsed .user-mini>span:last-child{display:none}

/* Topbar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;height:68px;padding:0 24px;border-bottom:1px solid var(--line);background:rgba(9,17,30,.9);backdrop-filter:blur(16px)}
.icon-button{display:grid;place-items:center;width:40px;height:40px;padding:0;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer}
.page-context{display:grid;min-width:0}
.page-context small{color:var(--muted)}
.dev-badge{margin-left:auto;padding:7px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary-text);font-size:11px;font-weight:800}

/* Shared surfaces */
.development-banner,.panel,.metric-card,.compose-card,.contact-form-card,.mail-folder-panel,.tip-card{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}
.development-banner{display:flex;align-items:center;gap:14px;margin-bottom:20px;padding:15px 17px}
.development-banner>div:first-child{display:grid;place-items:center;width:42px;height:42px;border-radius:var(--radius-md);background:var(--primary)}
.development-banner p{margin:3px 0 0;color:var(--muted)}

/* Page heading */
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}
.page-heading h1{margin:5px 0;font-size:30px;line-height:1.15}
.page-heading p{margin:0;color:var(--muted)}
.page-actions,.heading-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.eyebrow{color:#9dadff;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}

/* Buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text);font-weight:800;line-height:1;text-decoration:none;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}
.button:hover{border-color:var(--primary);color:var(--primary-text);transform:translateY(-1px)}
.button.primary{border-color:var(--primary);background:var(--primary);color:#fff}
.button.primary:hover{color:#fff}
.button.secondary{background:transparent}
.button.danger{border-color:rgba(248,113,113,.25);background:var(--red-soft);color:var(--red)}
.button.small{min-height:34px;padding:8px 10px;font-size:11px}

/* Metrics */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}
.metric-card{display:flex;align-items:center;gap:14px;min-width:0;padding:18px}
.metric-icon{display:grid;place-items:center;flex:0 0 auto;width:44px;height:44px;border-radius:var(--radius-md);background:var(--primary-soft);color:var(--primary-text)}
.metric-icon.icon-blue{background:var(--blue-soft);color:var(--blue)}
.metric-icon.icon-green{background:var(--green-soft);color:var(--green)}
.metric-icon.icon-orange{background:var(--orange-soft);color:var(--orange)}
.metric-icon.icon-purple{background:var(--purple-soft);color:var(--purple)}
.metric-card>div{display:grid;min-width:0}
.metric-card small{color:var(--muted)}
.metric-card strong{font-size:25px;line-height:1.2}

/* Panels */
.panel{overflow:hidden;padding:0}
.panel+.panel{margin-top:20px}
.panel-head,.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:18px var(--panel-padding);border-bottom:1px solid var(--line)}
.panel-head.between,.panel-header.between{align-items:center}
.panel-head h2,.panel-header h2{margin:0}
.panel-head p,.panel-header p{margin:4px 0 0;color:var(--muted)}
.panel-body{padding:18px var(--panel-padding)}
.panel>form:not(.toolbar){padding:18px var(--panel-padding)}
.panel>.table-wrap{margin:0}
.panel>.empty-state{padding:30px var(--panel-padding)}
.panel.padded{padding:18px var(--panel-padding)}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-grid .full{grid-column:1/-1}
.field,.form-field{display:grid;gap:7px;min-width:0}
.field>span,.form-field>label,.form-label{color:var(--text);font-size:12px;font-weight:700}
.field small,.form-field small,.form-help{color:var(--muted);font-size:11px;line-height:1.45}
input,select,textarea{width:100%;min-width:0;border:1px solid var(--line);border-radius:var(--radius-sm);outline:none;background:var(--surface-2);color:var(--text);transition:border-color .16s ease,box-shadow .16s ease,background .16s ease}
input,select{min-height:43px;padding:0 13px}
textarea{min-height:120px;padding:12px 13px;line-height:1.6;resize:vertical}
input::placeholder,textarea::placeholder{color:color-mix(in srgb,var(--muted) 75%,transparent)}
input:hover,select:hover,textarea:hover{border-color:color-mix(in srgb,var(--primary) 40%,var(--line))}
input:focus,select:focus,textarea:focus{border-color:var(--primary);background:var(--surface);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 16%,transparent)}
input:disabled,select:disabled,textarea:disabled,input[readonly],textarea[readonly]{cursor:not-allowed;opacity:.68}
select{appearance:none;padding-right:40px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 17px) 18px,calc(100% - 12px) 18px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
input[type="checkbox"],input[type="radio"]{width:14px;min-width:14px;height:14px;min-height:14px;padding:0;accent-color:var(--primary)}
input[type="file"]{padding:8px}
input[type="file"]::file-selector-button{margin-right:10px;padding:7px 10px;border:0;border-radius:9px;background:var(--primary-soft);color:var(--primary-text);font-weight:800;cursor:pointer}
.input-group,.search-field{position:relative;display:flex;align-items:center;min-width:0}
.input-group>i,.search-field>i{position:absolute;left:13px;z-index:1;color:var(--muted);pointer-events:none}
.input-group input,.input-group select,.search-field input{padding-left:38px}
.form-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:18px;flex-wrap:wrap}
.form-error,.input-error{color:var(--red);font-size:11px}
.validation-box,.alert{margin-bottom:15px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}
.alert.danger,.validation-box{border-color:rgba(248,113,113,.28);background:var(--red-soft);color:var(--red)}
.alert.success{border-color:rgba(52,211,153,.28);background:var(--green-soft);color:var(--green)}

/* Toolbar */
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px var(--panel-padding);border-bottom:1px solid var(--line)}
.toolbar-left,.toolbar-right,.toolbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.toolbar-left{flex:1 1 auto;min-width:0}
.toolbar-right{margin-left:auto;justify-content:flex-end}
.toolbar .field{display:block}
.toolbar .field select{min-width:160px}
.search-field{flex:1 1 280px;max-width:430px}
.search-field input{min-width:0}

/* Tables */
.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.data-table,.info-table{width:100%;border-collapse:collapse;border-spacing:0}
.data-table{min-width:860px}
.data-table th,.data-table td,.info-table th,.info-table td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.data-table thead th{background:rgba(255,255,255,.025);color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.045em;text-transform:uppercase;white-space:nowrap}
.data-table tbody tr,.info-table tbody tr{transition:background .15s ease}
.data-table tbody tr:hover,.info-table tbody tr:hover{background:rgba(255,255,255,.025)}
.data-table tbody tr:last-child td,.info-table tbody tr:last-child th,.info-table tbody tr:last-child td{border-bottom:0}
.data-table td small{display:block;margin-top:2px;color:var(--muted)}
.data-table th:last-child,.data-table td:last-child{text-align:right}
.info-table th{width:240px;color:var(--muted);font-weight:700;white-space:nowrap}
.info-table td{color:var(--text);font-weight:600;word-break:break-word}
.info-table td code{display:inline-block;padding:5px 8px;border-radius:8px;background:rgba(255,255,255,.05);font-family:Consolas,monospace;font-size:12px}
.user-cell,.contact-identity{display:flex;align-items:center;gap:12px;min-width:220px}
.user-cell>span:last-child,.contact-identity>span:last-child{display:grid;min-width:0}
.user-cell strong{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.user-cell small,.contact-identity strong,.contact-identity small,.contact-cell{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.inline-actions,.contact-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;white-space:nowrap}
.inline-actions form{display:inline-flex;margin:0}

/* Status */
.badge,.status{display:inline-flex;align-items:center;justify-content:center;gap:5px;padding:5px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary-text);font-size:10px;font-weight:800;white-space:nowrap}
.status.success{background:var(--green-soft);color:var(--green)}
.status.warning{background:var(--orange-soft);color:var(--orange)}
.status.danger{background:var(--red-soft);color:var(--red)}
.status.info{background:var(--blue-soft);color:var(--blue)}
.flash{margin-bottom:15px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}

/* Empty states */
.empty-state{display:grid;place-items:center;align-content:center;min-height:260px;text-align:center}
.empty-state>span,.empty-state>i{display:grid;place-items:center;width:70px;height:70px;border-radius:20px;background:var(--primary-soft);color:var(--primary-text);font-size:25px}
.empty-state h3{margin:15px 0 4px}
.empty-state p{margin:0;color:var(--muted)}

/* Threads */
.thread-list{display:grid}
.thread-row{display:flex;justify-content:space-between;gap:20px;padding:16px 20px;border-bottom:1px solid var(--line)}
.thread-row:last-child{border-bottom:0}
.thread-main{display:grid;gap:4px;min-width:0}
.thread-main small,.thread-main p,.thread-meta small{color:var(--muted)}
.thread-main p{margin:3px 0 0}
.thread-meta{display:grid;justify-items:end;align-content:start;gap:8px;white-space:nowrap}

/* Compose */
.compose-shell{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:18px}
.compose-card,.contact-form-card{overflow:hidden}
.compose-header,.compose-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 18px;border-bottom:1px solid var(--line)}
.compose-footer{border-top:1px solid var(--line);border-bottom:0}
.compose-body{display:grid;gap:14px;padding:18px}
.recipient-row{display:grid;grid-template-columns:62px minmax(0,1fr);align-items:center;gap:10px}
.recipient-row>label{color:var(--muted);font-size:10px;font-weight:800}
.compose-message{min-height:330px}
.compose-sidebar{display:grid;align-content:start;gap:14px}
.tip-card{padding:15px}
.tip-card h3{margin:0 0 7px;font-size:12px}
.tip-card p{margin:0;color:var(--muted);font-size:10px}

/* Contacts */
.contact-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px;padding:15px}
.contact-list{display:grid}
.contact-row{display:grid;grid-template-columns:minmax(230px,1.2fr) minmax(170px,.8fr) minmax(150px,.7fr) auto;align-items:center;gap:14px;padding:14px 17px;border-top:1px solid var(--line)}
.contact-row:first-child{border-top:0}
.contact-row:hover{background:color-mix(in srgb,var(--primary) 4%,var(--surface))}
.contact-avatar,.sender-avatar{display:grid;place-items:center;flex:0 0 auto;width:40px;height:40px;border-radius:13px;background:var(--primary-soft);color:var(--primary-text);font-weight:800}
.contact-identity small,.contact-cell small{color:var(--muted)}

/* Inbox */
.inbox-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:18px}
.mail-folder-panel{align-self:start;overflow:hidden}
.mail-folder-list{display:grid;gap:4px;padding:10px}
.mail-folder-link{display:flex;align-items:center;gap:10px;min-height:42px;padding:0 11px;border-radius:11px;color:var(--muted);text-decoration:none}
.mail-folder-link:hover,.mail-folder-link.active{background:var(--primary-soft);color:var(--primary-text)}
.mail-folder-link span:last-child{margin-left:auto;font-size:10px}
.inbox-panel{min-width:0}
.inbox-row{display:grid;grid-template-columns:34px minmax(165px,.55fr) minmax(260px,1.45fr) auto;align-items:center;gap:12px;min-height:70px;padding:10px 15px;border-top:1px solid var(--line);text-decoration:none}
.inbox-row:first-child{border-top:0}
.inbox-row:hover{background:color-mix(in srgb,var(--primary) 4%,var(--surface))}
.inbox-row.unread{background:color-mix(in srgb,var(--primary) 7%,var(--surface))}
.inbox-sender,.inbox-subject{min-width:0}
.inbox-sender strong,.inbox-sender small,.inbox-subject strong,.inbox-subject p{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.inbox-sender small,.inbox-subject p,.inbox-time{color:var(--muted);font-size:10px}
.inbox-subject p{margin:3px 0 0}
.inbox-meta{display:grid;justify-items:end;gap:5px;white-space:nowrap}
.star-button{border:0;background:transparent;color:var(--muted);cursor:pointer}
.star-button.is-starred{color:#f4b740}
.mail-detail{margin-top:18px}
.mail-detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;padding:18px;border-bottom:1px solid var(--line)}
.mail-detail-body{padding:20px;overflow-wrap:anywhere;line-height:1.7}
.mail-detail-body img{max-width:100%;height:auto}
.pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 17px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}

@media(max-width:1050px){
    .compose-shell,.contact-layout,.inbox-layout{grid-template-columns:1fr}
    .compose-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}
    .mail-folder-panel{overflow-x:auto}
    .mail-folder-list{display:flex;width:max-content}
}

@media(max-width:980px){
    .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media(max-width:720px){
    :root{--content-padding:16px;--panel-padding:16px}
    .sidebar{z-index:40;width:var(--sidebar-width);transform:translateX(-100%)}
    .main-shell,.sidebar-collapsed .main-shell{margin-left:0}
    .sidebar-collapsed .sidebar{width:var(--sidebar-width);transform:translateX(0)}
    .sidebar-collapsed .brand-copy,.sidebar-collapsed .nav-label,.sidebar-collapsed .user-mini>span:last-child{display:grid}
    .page-heading,.panel-head,.panel-header,.thread-row,.mail-detail-head,.pagination{align-items:stretch;flex-direction:column}
    .page-actions,.heading-actions{justify-content:stretch}
    .page-actions .button,.heading-actions .button,.form-actions .button{width:100%}
    .metric-grid,.form-grid,.compose-sidebar{grid-template-columns:1fr}
    .form-grid .full{grid-column:auto}
    .toolbar{align-items:stretch;flex-direction:column}
    .toolbar-left,.toolbar-right{width:100%}
    .toolbar-right{margin-left:0;justify-content:flex-end}
    .search-field,.search-field input{width:100%;max-width:none}
    .toolbar .field{flex:1 1 150px}
    .toolbar .field select{min-width:0}
    .thread-meta{justify-items:start}
    .recipient-row{grid-template-columns:1fr;gap:5px}
    .contact-row{grid-template-columns:minmax(0,1fr) auto}
    .contact-row .contact-cell{display:none}
    .inbox-row{grid-template-columns:28px minmax(0,1fr) auto}
    .inbox-subject{grid-column:2/-1}
    .inbox-meta{grid-column:3;grid-row:1}
    .data-table{min-width:760px}
    .data-table th,.data-table td{padding:12px 14px}
    .info-table,.info-table tbody,.info-table tr,.info-table th,.info-table td{display:block;width:100%}
    .info-table tr{padding:13px 16px;border-bottom:1px solid var(--line)}
    .info-table tr:last-child{border-bottom:0}
    .info-table th,.info-table td{padding:0;border:0}
    .info-table th{margin-bottom:4px;font-size:12px;white-space:normal}
}

.info-table td code{
    display:block;
    overflow-x:auto;
    white-space:nowrap;
}

/* =========================================================
   Mail account detail
   ========================================================= */

.mail-account-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.mail-account-tabs a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--muted);
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.mail-account-tabs a:hover,
.mail-account-tabs a.active {
    border-color: var(--primary);
    background: var(--primary-soft);
    color: var(--primary-text);
}

.connection-endpoints {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
}

.connection-endpoints article {
    display: grid;
    gap: 3px;
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.connection-endpoints small,
.connection-endpoints span {
    color: var(--muted);
    font-size: 10px;
}

.connection-endpoints strong {
    overflow-wrap: anywhere;
}

@media (max-width: 720px) {
    .mail-account-tabs {
        margin-inline: -16px;
        padding-inline: 16px;
    }

    .connection-endpoints {
        grid-template-columns: 1fr;
    }
}


/* Inbox row interaction */
.inbox-row{
    position:relative;
    cursor:pointer;
}
.inbox-row-open{
    position:absolute;
    inset:0;
    z-index:1;
    border-radius:inherit;
    text-decoration:none;
}
.inbox-row-open:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:-2px;
}
.inbox-star-form{
    position:relative;
    z-index:3;
    margin:0;
}
.inbox-sender,
.inbox-subject,
.inbox-meta{
    position:relative;
    z-index:2;
    pointer-events:none;
}
.inbox-open-indicator{
    display:inline-flex;
    align-items:center;
    justify-content:flex-end;
    gap:8px;
    color:var(--muted);
}
.inbox-row:hover .inbox-open-indicator .fa-chevron-right{
    color:var(--primary-text);
    transform:translateX(2px);
}
.inbox-open-indicator .fa-chevron-right{
    transition:color .18s ease,transform .18s ease;
}

@media (max-width: 992px) {

    .msmail-mobile-menu-button {
        display: none !important;
    }

}