:root{--blue:#1479f6;--deep:#0760d8;--navy:#101b37;--muted:#59708f;--border:#e6edf7;--shadow:0 5px 22px rgba(30,70,120,.055);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--navy);background:#f7faff}*{box-sizing:border-box}body{margin:0;font-size:14px}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh}.topbar{height:76px;background:#fff;display:flex;align-items:center;gap:20px;padding:0 30px 0 36px;border-bottom:1px solid #e9eff7;position:sticky;top:0;z-index:20}.brand{width:205px;min-width:205px;display:flex;flex-direction:column;line-height:1}.brand strong{font-size:27px;letter-spacing:-1.2px;font-weight:800;color:#111a35}.brand strong span,.login-logo span{color:#0575ec}.brand small{font-size:10px;color:#5a6c8d;margin-top:3px}.global-search{margin:auto;width:min(535px,46vw);height:46px;display:flex;align-items:center;gap:12px;padding:0 20px;border-radius:24px;background:#f1f5fb}.global-search input{border:0;background:transparent;outline:none;width:100%;color:#304568}.search-glyph{font-size:27px;color:#637c9d}.top-right{display:flex;align-items:center;gap:28px}.bell{font-size:25px;color:#345779}.avatar{display:inline-flex;align-items:center;justify-content:center;width:45px;height:45px;border-radius:50%;background:#e0e8f4;color:#334f7d;font-weight:700}.avatar.tiny{height:34px;width:34px;font-size:12px}.shell-main{display:flex;min-height:calc(100vh - 76px)}.sidebar{width:216px;flex:0 0 216px;background:linear-gradient(120deg,#fff 10%,#f3f8ff 100%);border-right:1px solid #eaf0f7;display:flex;flex-direction:column;justify-content:space-between;padding:31px 13px 20px;position:sticky;top:76px;height:calc(100vh - 76px)}.nav{display:grid;gap:9px}.nav a,.nav-disabled{display:flex;align-items:center;gap:15px;padding:13px 16px;font-size:14px;font-weight:600;border-radius:13px;color:#314969;white-space:nowrap}.nav a span,.nav-disabled span{font-size:23px;line-height:1;width:24px;text-align:center;color:#58759d}.nav a.active{background:linear-gradient(130deg,#358cfd,#1475f5);color:#fff;box-shadow:0 5px 13px rgba(36,117,239,.14)}.nav a.active span{color:#fff}.nav a:hover:not(.active){background:#eef5ff}.nav-disabled{opacity:.68}.nav-disabled small{margin-left:auto;font-size:10px}.sidebar-bottom button{width:100%;border:0;background:none;display:flex;align-items:center;gap:10px;color:#314b6d;text-align:left;padding:10px;font-size:12px}.sidebar-bottom button span:last-child{margin-left:auto}.main-content{width:calc(100% - 216px);min-width:0;padding:26px 22px 34px;background:linear-gradient(#f8fbff,#f5f9ff 48%,#f9fbfe)}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:22px;margin:0 6px 23px}.page-heading h1{font-size:32px;letter-spacing:-.8px;line-height:1.14;margin:0 0 5px;font-weight:800}.page-heading p{color:var(--muted);font-size:15px;margin:0}.heading-actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.pill{padding:13px 20px;border-radius:25px;background:#f1f5fb;border:1px solid #e7eef9;white-space:nowrap;font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:8px}.pill.active,.btn.primary{background:linear-gradient(125deg,#3995ff,#0864dd);color:#fff;border-color:#2478e9}.pill b{background:#ff4651;color:#fff;border-radius:20px;padding:3px 6px;font-size:11px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:13px;border:1px solid transparent;background:#eaf3ff;color:#096ce8;font-weight:700;font-size:13px;line-height:1.2;text-align:center}.btn.primary{box-shadow:0 3px 7px rgba(17,112,242,.14)}.btn.outline{background:#fff;border:1px solid #e0e9f5;color:#284369}.btn:hover:not(.disabled){filter:brightness(.98)}.btn.disabled{cursor:not-allowed;opacity:.7}.business-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:18px}.business-card{border:1px solid #e7eef8;border-radius:21px;min-width:0;padding:20px 20px 18px;box-shadow:var(--shadow)}.business-card.blue{background:linear-gradient(135deg,#eaf6ff,#eef8ff)}.business-card.pink{background:linear-gradient(135deg,#fff1f3,#fff8f9)}.business-card.gold{background:linear-gradient(135deg,#fff8e6,#fffbef)}.business-card.violet{background:linear-gradient(135deg,#f1f2ff,#f8f8ff)}.business-top{display:flex;align-items:center;gap:12px}.business-logo{width:57px;height:57px;border-radius:50%;object-fit:contain;flex:0 0 auto;background:#fff;box-shadow:0 3px 8px #0e3c7820}.business-logo.fallback{background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:800}.business-logo.small{width:43px;height:43px;font-size:14px}.business-name{flex:1;min-width:0}.business-name h2{font-size:17px;letter-spacing:-.2px;margin:0 0 4px;overflow:hidden;text-overflow:ellipsis}.business-name p{margin:0;font-size:12px;color:#50698a}.dots{align-self:flex-start;color:#7e91b5;letter-spacing:1px}.card-metrics{display:flex;align-items:center;gap:16px;margin:25px 0 24px}.unread-metric{width:72px;text-align:center;flex:0 0 72px;display:grid;gap:0;border-right:1px solid #dae7f6;padding-right:13px}.unread-metric strong{font-size:31px;line-height:1;font-weight:800}.unread-metric span{font-size:12px;color:#4d6382;margin-top:5px}.metric-list{display:flex;flex-direction:column;gap:7px;font-size:12px;color:#526b8c}.metric-list span{white-space:nowrap}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px}.dot.red{background:#ff515d}.dot.orange{background:#ffa538}.dot.blue{background:#328df9}.card-action{height:43px;border:1px solid #cfe0f9;border-radius:13px;background:#ffffff6e;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:13px}.content-panel{border:1px solid var(--border);border-radius:20px;background:#fff;box-shadow:var(--shadow);padding:16px;margin-bottom:15px}.panel-heading{display:flex;align-items:center;justify-content:space-between;padding:0 5px 13px}.panel-title{display:flex;gap:13px;align-items:center}.panel-title h2,.content-panel h2{margin:0 0 3px;font-size:20px;letter-spacing:-.3px}.panel-title p,.muted{color:var(--muted);margin:0}.panel-title p{font-size:12px}.section-symbol{background:linear-gradient(135deg,#4ba3ff,#0868df);color:#fff;font-size:22px;font-weight:800;border-radius:13px;display:flex;align-items:center;justify-content:center;height:36px;width:36px}.section-symbol.alert{background:#ff4050}.count-pill{font-size:13px;background:#ffe7e9;color:#ec3746;padding:4px 9px;border-radius:16px;vertical-align:3px}.button-soft{background:#edf5ff;color:#0871ec;padding:12px 18px;font-size:13px;border-radius:23px;font-weight:700}.message-list{display:grid;gap:5px}.message-row{background:#fff;display:flex;align-items:center;gap:15px;border:1px solid #e8eef7;border-radius:12px;min-height:65px;overflow:hidden;padding:0 14px 0 0;box-shadow:0 2px 9px #24466e0b}.message-row:hover{background:#f6fbff}.row-edge{height:65px;min-width:6px;align-self:stretch}.row-edge.red{background:#f83360}.row-edge.orange{background:#ff9a38}.row-edge.blue{background:#2086ff}.message-sender{width:180px;min-width:135px;display:flex;flex-direction:column;gap:4px}.message-sender strong,.message-summary strong{font-size:12px}.message-sender small,.message-summary small{color:#546c8b;font-size:12px}.message-summary{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px;overflow:hidden}.message-summary strong,.message-summary small{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.message-row time{font-size:11px;color:#7185a2;white-space:nowrap}.status-chip{background:#edf4ff;color:#1966bd;font-size:11px;padding:8px 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20px;text-align:center;color:#607795}.panel-empty h3,.empty-state h2{color:#152644}.panel-empty p,.empty-state p{max-width:570px;margin:8px auto 18px}.empty-state{border:1px solid var(--border);border-radius:20px;background:#fff;margin-bottom:17px;padding:55px 20px}.empty-icon{font-size:50px;color:#2e89ff}.flash{padding:12px 16px;border-radius:12px;margin-bottom:16px}.flash.success{background:#e8faef;border:1px solid #c3ead6;color:#157345}.flash.error{background:#fff1f3;border:1px solid #fbd0d6;color:#b82d43}.flash ul{margin:7px 0 0}.app-footer{font-size:11px;color:#8797ad;padding:18px 5px}.app-footer span{float:right}.breadcrumb{display:block;font-size:12px;color:#5e7492;margin:0 0 16px}.heading-business{display:flex;align-items:center;gap:16px}.detail-title{max-width:760px}.filterbar{display:flex;align-items:end;flex-wrap:wrap;gap:12px;margin-bottom:13px}.filterbar label{display:flex;flex-direction:column;gap:5px;min-width:175px}.filterbar input,.filterbar select{width:100%}.form-stack{display:flex;flex-direction:column;gap:15px;margin-top:18px}.form-stack label,.filterbar label,.portal-form label{font-weight:600;font-size:12px;color:#405779;display:flex;flex-direction:column;gap:7px}.form-stack input,.form-stack select,.form-stack textarea,.filterbar input,.filterbar select,.portal-form input,.portal-form select,.portal-form textarea{padding:12px 13px;background:#fff;color:#192d4c;border:1px solid #dce6f2;border-radius:10px;outline-color:#2d88fa;min-width:0}.form-stack input[type=color]{padding:4px;height:43px;width:85px}.form-stack input[type=file]{max-width:100%}.form-stack textarea,.portal-form textarea{resize:vertical}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:17px}.form-panel{padding:24px}.form-panel>h2{margin:0}.form-panel>.muted{margin-top:5px}.business-edit{margin-top:13px;border:1px solid #e6edf6;border-radius:13px;padding:12px}.business-edit summary{cursor:pointer;display:flex;align-items:center;gap:12px;list-style:none}.business-edit summary>span:nth-child(2){flex:1;display:flex;flex-direction:column;gap:4px}.business-edit summary small{color:#7084a0}.business-edit>form{margin:15px 0 7px}.business-edit .form-stack{margin-top:15px}.text-danger{background:transparent;border:0;color:#d33a52;font-weight:600;padding:7px 3px}.portal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.portal-card{border:1px solid #e5ecf6;border-radius:16px;padding:16px;min-width:0;background:#fff}.portal-heading{display:flex;gap:11px;align-items:center}.portal-heading h2{font-size:15px}.portal-heading small{color:#68809a}.portal-card p{color:#526b8c;min-height:44px;line-height:1.5}.portal-actions{display:flex;gap:7px;flex-wrap:wrap}.portal-actions .btn{font-size:11px;padding:9px}.portal-form{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:20px;align-items:end}.portal-form .full-width{grid-column:span 4}.notice{background:#eff6ff;color:#506b90;border:1px solid #dce9fc;border-radius:12px;padding:14px;font-size:12px;line-height:1.5}.notice.standalone{margin-bottom:17px}.account-line{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e8eff9;padding:14px 0}.account-line>div{display:flex;flex-direction:column;gap:6px}.account-line small{color:#687c98}.detail-actions{display:flex;gap:9px;margin-bottom:15px;flex-wrap:wrap}.reading-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);gap:15px}.reading-card,.assistant-card{background:#fff;border:1px solid #e7edf7;border-radius:15px;padding:20px;min-width:0}.sender-heading{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid #edf1f8}.sender-heading>div{display:flex;flex:1;flex-direction:column;gap:6px}.sender-heading small{color:#69809b}.sender-heading time{font-size:11px;color:#6d86a2}.mail-avatar{width:43px;height:43px;flex:0 0 43px;background:#ece7ff;color:#6842bf;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}.message-body{font-size:14px;line-height:1.85;white-space:pre-wrap;min-height:240px;padding:23px 6px}.reading-footer{border-top:1px solid #edf1f8;padding:15px 0 0;color:#7288a2;font-size:11px}.assistant-heading{display:flex;align-items:center;gap:10px;margin-bottom:15px}.assistant-heading>span{font-size:26px;color:#7852ec}.assistant-heading h2{margin:0 0 4px;font-size:18px}.assistant-heading small{color:#607696}.assistant-buttons{display:flex;gap:9px;flex-wrap:wrap;margin-top:15px}.assistant-buttons button{padding:9px 12px;border:1px solid #e0e6ef;border-radius:9px;color:#8390a3;background:#f5f7fb;cursor:not-allowed}.pagination{padding:15px}.login-body{background:linear-gradient(135deg,#eef6ff,#fff 50%,#eff4ff);min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:min(440px,calc(100vw - 32px));background:#fff;border:1px solid #e4edf7;border-radius:24px;box-shadow:0 15px 60px #294b701c;padding:40px}.login-logo{font-size:37px;font-weight:800;letter-spacing:-1.4px}.login-tagline{font-size:12px;color:#6480a1;margin-top:0}.login-card h1{font-size:27px;margin:30px 0 6px}.login-card .muted{line-height:1.5}.btn.full{width:100%}.small{font-size:11px}.pagination nav{font-size:12px}@media(max-width:1250px){.business-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.recent-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.portal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-heading{align-items:flex-start;flex-direction:column}.heading-actions{width:100%}}@media(max-width:850px){.sidebar{width:72px;flex-basis:72px;padding:15px 7px}.brand{min-width:160px;width:160px}.nav a,.nav-disabled{font-size:0;justify-content:center;padding:14px 8px}.nav a span,.nav-disabled span{font-size:25px}.nav-disabled small,.sidebar-bottom button span:not(.avatar){display:none}.sidebar-bottom button{justify-content:center}.main-content{width:calc(100% - 72px);padding:22px 15px}.topbar{padding:0 15px}.global-search{max-width:340px}.two-column,.reading-layout{grid-template-columns:1fr}.portal-form{grid-template-columns:1fr 1fr}.portal-form .full-width{grid-column:span 2}}@media(max-width:600px){.topbar{height:65px}.brand{width:125px;min-width:125px}.brand strong{font-size:22px}.global-search{display:none}.top-right{margin-left:auto}.shell-main{min-height:calc(100vh - 65px)}.sidebar{top:65px;height:calc(100vh - 65px);width:54px;flex-basis:54px;padding:11px 3px}.nav a,.nav-disabled{padding:12px 4px}.nav a span,.nav-disabled span{font-size:19px}.main-content{width:calc(100% - 54px);padding:16px 9px}.page-heading h1{font-size:25px}.business-grid,.recent-grid,.portal-grid{grid-template-columns:1fr}.business-card{padding:18px}.pill{padding:9px 11px;font-size:11px}.message-row{gap:7px}.message-sender{width:85px;min-width:85px}.message-summary small{display:none}.message-summary strong{font-size:11px}.message-row time,.message-row .status-chip{display:none}.panel-heading{gap:10px}.portal-form{grid-template-columns:1fr}.portal-form .full-width{grid-column:1}.app-footer span{float:none;display:block;margin-top:5px}}

.related-messages{border-top:1px solid #eaf0fa;padding:16px 0}.related-messages h3{font-size:14px}.related-message{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:13px;border:1px solid #e8eff9;border-radius:9px;margin-top:8px}.related-message span{color:#4e6280}.related-message small{color:#70849e}

/* Build B: linear individual-message workspace and manual import */
.individual-email{margin:16px 0;padding:20px 22px;border:1px solid #e0e8f5;border-radius:16px;background:#fff}
.individual-email.selected-email{border-color:#91b9fa;box-shadow:0 0 0 2px #e8f1ff}
.linear-history>h2{font-size:19px;margin:0 0 6px}
.individual-email .message-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;margin-top:20px}
.eml-import{margin-top:12px;padding:12px;background:#f5f9ff;border:1px solid #dce9fc;border-radius:12px}
.eml-import label{display:block;font-size:13px;margin-bottom:10px}
.eml-import input{display:block;max-width:100%;margin-top:8px}

/* TetherSift Build D: business > mailbox summary cards and compact mailbox settings */
.tsd-section{margin:0 0 20px}.tsd-section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:0 0 16px}
.tsd-section-heading h2{font-size:21px;margin:0 0 5px;color:#14213f}.tsd-section-heading p{font-size:13px;color:#667e9b;margin:0}
.tsd-mailbox-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}
.tsd-mailbox-card{min-width:0;padding:22px;border:1px solid #e5edf7;border-radius:23px;box-shadow:0 8px 22px rgba(35,64,100,.04)}
.tsd-mailbox-card.blue{background:#eaf5ff}.tsd-mailbox-card.pink{background:#fff0f2}.tsd-mailbox-card.gold{background:#fff8e9}.tsd-mailbox-card.violet{background:#f2f0ff}
.tsd-card-top{display:flex;gap:14px;align-items:center;min-width:0}.tsd-mail-icon{display:grid;place-items:center;background:#fff;border:1px solid #dce9fa;color:#277ef5;width:49px;height:49px;flex:none;border-radius:50%;font-size:23px}
.tsd-card-identity{min-width:0;flex:1}.tsd-card-identity h3,.tsd-card-identity h2{margin:0 0 5px;font-size:16px;color:#152240;overflow-wrap:anywhere}.tsd-card-identity p{margin:0;color:#354f77;font-size:13px;overflow-wrap:anywhere}.tsd-card-identity small{display:block;margin-top:5px;color:#69809c;font-size:11px}
.tsd-metrics{display:flex;align-items:center;gap:17px;margin:22px 0}.tsd-unread{display:flex;flex-direction:column;align-items:center;min-width:68px;border-right:1px solid #cfdff1;padding-right:16px}.tsd-unread strong{font-weight:800;color:#15213d;font-size:32px;line-height:1.15}.tsd-unread span{color:#50698a;font-size:12px}.tsd-status-list{display:flex;flex-direction:column;gap:7px;min-width:0}.tsd-status-list span{font-size:12px;color:#3c567b;display:flex;align-items:center;gap:6px}.tsd-mailbox-card .card-action{display:flex;text-decoration:none;align-items:center;justify-content:center;font-weight:700;min-height:45px}.tsd-mailbox-card .card-action span{margin-left:6px}
.tsd-recent-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.tsd-recent-grid .recent-card{min-width:0}.tsd-recent-icon{width:32px;height:32px;border-radius:50%;background:#e7f2ff;color:#2176e7;display:grid;place-items:center;flex:none}.tsd-recent-grid .recent-card span:nth-child(2){min-width:0}.tsd-recent-grid .recent-card small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#tsd-all-emails{scroll-margin-top:20px}.tsd-filterbar{padding:8px 0 18px}
.tsd-create-account summary,.tsd-mailbox-config summary{list-style:none;cursor:pointer;font-weight:700;color:#17365b;padding:8px 0}.tsd-create-account summary::-webkit-details-marker,.tsd-mailbox-config summary::-webkit-details-marker{display:none}.tsd-create-form{margin-top:18px;max-width:520px}
.tsd-manage-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:17px}.tsd-manage-card{padding:22px;background:#fff;border:1px solid #e3ebf5;border-radius:20px;min-width:0}.tsd-manage-card-head{display:flex;align-items:center;gap:12px}.tsd-manage-card-head .status-chip{margin-left:auto;white-space:nowrap}.tsd-manage-summary{display:grid;grid-template-columns:1fr auto;gap:10px;margin:22px 0 12px;font-size:12px;align-items:center}.tsd-manage-summary span{color:#7083a0}.tsd-manage-summary strong{text-align:right;color:#233f67;font-size:12px;overflow-wrap:anywhere}.tsd-mailbox-config{border-top:1px solid #e7edf5;margin-top:15px}.tsd-mailbox-config summary{display:flex;justify-content:space-between}.tsd-config-content{padding-top:12px}.tsd-config-panel{padding:16px;background:#f6faff;border:1px solid #e0ebf8;border-radius:14px;margin-bottom:14px}.tsd-config-panel h3{font-size:14px;margin:0 0 8px}.tsd-config-panel p,.tsd-config-panel small{font-size:12px;color:#5d7595}.tsd-config-panel form{margin:12px 0}.tsd-config-panel .form-stack{max-width:100%}
@media(max-width:1300px){.tsd-mailbox-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tsd-recent-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:850px){.tsd-manage-list{grid-template-columns:1fr}}@media(max-width:620px){.tsd-mailbox-grid,.tsd-recent-grid{grid-template-columns:1fr}.tsd-section-heading{align-items:flex-start;flex-direction:column}.tsd-mailbox-card{padding:17px}.tsd-manage-card{padding:15px}.tsd-manage-card-head{flex-wrap:wrap}.tsd-manage-card-head .status-chip{margin-left:0}}