:root{--ink:#14201d;--muted:#6f7975;--line:#e6e9e6;--panel:#ffffff;--soft:#f4f6f3;--canvas:#eef1ed;--deep:#10211b;--accent:#155f49;--accent2:#2f856a;--warm:#f5efe4;--danger:#a34545;--shadow:0 24px 70px rgba(26,39,34,.12);--radius:24px;--font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font);background:var(--canvas);color:var(--ink);-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit}button,a{transition:transform .16s ease,background .16s ease,border-color .16s ease,color .16s ease}a{color:inherit;text-decoration:none}button{cursor:pointer}.app-frame{min-height:100vh}.toast{position:fixed;z-index:90;left:50%;top:18px;transform:translateX(-50%);max-width:min(560px,calc(100vw - 32px));padding:12px 18px;border-radius:999px;box-shadow:0 10px 40px rgba(0,0,0,.14);font-size:13px;font-weight:700}.toast-info{background:#173c31;color:white}.toast-error{background:#7d3434;color:white}.brand-lockup{display:inline-flex;align-items:center;gap:11px;font-size:15px;letter-spacing:-.02em}.brand-mark,.rail-brand{display:grid;place-items:center;background:var(--deep);color:white;font-weight:850;box-shadow:0 8px 25px rgba(16,33,27,.15)}.brand-mark{width:32px;height:32px;border-radius:11px}.eyebrow,.section-kicker,.step-label{font-size:10px;letter-spacing:.18em;font-weight:850;color:var(--accent);text-transform:uppercase}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:13px;border:1px solid transparent;font-weight:750;font-size:13px}.button:hover{transform:translateY(-1px)}.button-primary{background:var(--deep);color:#fff;box-shadow:0 12px 26px rgba(16,33,27,.16)}.button-dark{background:var(--deep);color:#fff}.button-ghost{border-color:#d9dfda;background:rgba(255,255,255,.75)}.button-quiet{background:transparent;border-color:#dfe4df}.muted{color:var(--muted)}
/* landing */.landing-shell{min-height:100vh;background:radial-gradient(circle at 68% 28%,rgba(83,141,115,.14),transparent 27%),linear-gradient(180deg,#f9faf7 0%,#edf1ec 100%);display:flex;flex-direction:column}.landing-nav{height:84px;display:flex;align-items:center;justify-content:space-between;width:min(1240px,calc(100% - 56px));margin:auto}.landing-hero{width:min(1240px,calc(100% - 56px));margin:auto;display:grid;grid-template-columns:.9fr 1.1fr;gap:74px;align-items:center;padding:70px 0 100px}.hero-copy h1{font-size:clamp(54px,6vw,86px);line-height:.94;letter-spacing:-.065em;margin:18px 0 24px;max-width:650px}.hero-copy>p{font-size:19px;line-height:1.65;color:#63706a;max-width:590px}.hero-actions{display:flex;gap:12px;margin-top:32px}.trust-strip{display:flex;gap:18px;flex-wrap:wrap;margin-top:38px;font-size:11px;color:#6e7772}.trust-strip span:before{content:"✓";color:var(--accent);font-weight:900;margin-right:6px}.hero-product{perspective:1200px}.mock-window{height:560px;border-radius:34px;background:#fbfcfa;border:1px solid rgba(255,255,255,.8);box-shadow:0 50px 100px rgba(28,46,38,.18),inset 0 0 0 1px rgba(25,52,42,.04);display:grid;grid-template-columns:66px 220px 1fr;overflow:hidden;transform:rotateY(-4deg) rotateX(2deg)}.mock-sidebar{background:#153027;padding:18px 12px;display:flex;align-items:center;flex-direction:column;gap:19px}.mock-sidebar i{width:28px;height:28px;border-radius:10px;background:rgba(255,255,255,.08)}.mock-compose{display:grid;place-items:center;width:42px;height:42px;background:#dcece3;color:#17382d;border-radius:14px;font-size:25px}.mock-list{padding:34px 18px;border-right:1px solid #e5e8e4;display:flex;flex-direction:column;gap:15px}.mock-list small{font-size:9px;letter-spacing:.16em;color:#759083}.mock-list b{font-size:15px}.mock-list span{height:56px;background:linear-gradient(90deg,#edf1ed,#f6f7f5);border-radius:15px}.mock-reader{padding:58px 36px;background:linear-gradient(180deg,#fff,#fafbf9)}.mock-reader small{font-size:9px;letter-spacing:.15em;color:#769084}.mock-reader h3{font-size:30px;letter-spacing:-.04em;margin:12px 0}.mock-reader p{color:#7a827e}.mock-message{height:120px;border:1px solid #e8ebe8;border-radius:18px;margin-top:34px;background:#fff}.mock-message.short{height:82px;margin-top:14px}.landing-footer{width:min(1240px,calc(100% - 56px));margin:auto;padding:22px 0 30px;border-top:1px solid #dce1dc;display:flex;justify-content:space-between;color:#7c837f;font-size:11px}
/* setup */.setup-shell{min-height:100vh;background:linear-gradient(135deg,#f7f8f5,#e9efea);padding:0 5vw 70px}.setup-header{height:86px;display:flex;align-items:center;justify-content:space-between;max-width:1240px;margin:auto}.version-pill,.mailbox-chip,.truth-chip{border:1px solid #dfe4df;background:rgba(255,255,255,.68);border-radius:999px;padding:8px 11px;font-size:10px;color:#68726d}.setup-grid{max-width:1240px;margin:7vh auto 0;display:grid;grid-template-columns:.86fr 1.14fr;gap:70px;align-items:start}.setup-intro{padding:48px 0}.setup-intro h1{font-size:clamp(50px,6vw,78px);line-height:.95;letter-spacing:-.06em;margin:17px 0 24px}.setup-intro>p{font-size:18px;line-height:1.7;color:#68716d;max-width:510px}.setup-principles{margin-top:50px;display:grid;gap:16px}.setup-principles span{display:flex;align-items:center;gap:14px;color:#6d7671;font-size:13px}.setup-principles b{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:#dfe9e3;color:#275944;font-size:9px}.setup-card{background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.9);box-shadow:var(--shadow);border-radius:30px;padding:38px}.setup-section h2{font-size:25px;letter-spacing:-.035em;margin:8px 0 20px}.inline-form{display:flex;gap:10px}.inline-form input,.stack-form input,.stack-form select{border:1px solid #dfe4df;background:#f9faf8;border-radius:12px;min-height:44px;padding:0 13px;outline:none;color:var(--ink)}.inline-form input{flex:1}.inline-form input:focus,.stack-form input:focus,.stack-form select:focus{border-color:#8db4a4;box-shadow:0 0 0 3px rgba(53,112,87,.08)}.domain-list{display:grid;gap:11px;margin-top:20px}.domain-row{padding:18px;border:1px solid #e3e7e3;border-radius:17px;background:#fcfdfb}.domain-row>div{display:flex;align-items:center;justify-content:space-between}.domain-row code{display:block;margin:13px 0 9px;padding:11px;border-radius:10px;background:#f0f3f0;font-size:10px;color:#51615a;overflow:auto}.status-dot{font-size:9px;text-transform:uppercase;letter-spacing:.08em}.status-dot:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px;background:#a9afa9}.status-active:before{background:#3b8b6a}.text-button{border:0;background:transparent;padding:0;color:var(--accent);font-size:11px;font-weight:800}.verified-copy{font-size:11px;color:#64726b;line-height:1.5;margin:12px 0 0}.setup-divider{height:1px;background:#e6e9e6;margin:30px 0}.stack-form{display:grid;gap:18px}.stack-form label{display:grid;gap:7px;font-size:11px;font-weight:750;color:#65716b}.address-builder{display:grid;grid-template-columns:1fr 1fr;gap:8px}.success-medallion{display:grid;place-items:center;width:58px;height:58px;border-radius:20px;background:#e4f2ea;color:#236347;font-size:25px;margin-bottom:24px}
/* mailbox */.mail-app{height:100vh;display:grid;grid-template-columns:72px minmax(300px,390px) 1fr;background:#f1f3f0;overflow:hidden}.mail-rail{background:#102820;color:#dfe9e3;padding:16px 10px 14px;display:flex;flex-direction:column;align-items:center;border-right:1px solid rgba(255,255,255,.06)}.rail-brand{width:38px;height:38px;border-radius:13px;background:#e6efe9;color:#17382d}.compose-orb{margin-top:29px;border:0;background:#d6e9df;color:#123c2e;width:48px;height:48px;border-radius:16px;font-size:27px;box-shadow:0 12px 30px rgba(0,0,0,.15)}.compose-orb:hover{transform:translateY(-2px)}.rail-nav{display:grid;gap:8px;margin-top:28px}.rail-item{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;color:#90a39a;font-size:17px}.rail-item:hover,.rail-item.active{background:rgba(255,255,255,.09);color:#eff8f3}.rail-bottom{margin-top:auto;display:grid;gap:8px}.rail-avatar{width:38px;height:38px;border-radius:13px;border:1px solid rgba(255,255,255,.12);background:#284a3e;color:white;font-weight:800;font-size:10px}.thread-column{background:#f8f9f7;border-right:1px solid #e0e4e0;display:flex;flex-direction:column;min-width:0}.thread-column-header{height:114px;padding:27px 24px 18px;display:flex;align-items:flex-end;justify-content:space-between;border-bottom:1px solid #e8ebe8}.thread-column-header h1{margin:4px 0 0;font-size:26px;letter-spacing:-.04em}.mailbox-chip{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:7px 10px;background:white}.presence-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#45a477;margin-right:6px;box-shadow:0 0 0 3px rgba(69,164,119,.1)}.thread-toolbar{height:45px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;font-size:10px;color:#89908c;border-bottom:1px solid #ebedeb}.truth-chip{padding:5px 8px;background:#f5f7f5}.thread-list{overflow:auto}.thread-row{min-height:100px;padding:17px 18px;display:grid;grid-template-columns:38px 1fr auto;gap:12px;border-bottom:1px solid #e8ebe8;position:relative;background:#fafbf9}.thread-row:hover{background:#f2f5f2}.thread-row.selected{background:#eaf1ed;box-shadow:inset 3px 0 #286d53}.thread-row.unread{background:#fff}.thread-avatar,.message-avatar{display:grid;place-items:center;border-radius:13px;background:#e2e9e4;color:#315548;font-weight:850;font-size:9px}.thread-avatar{width:38px;height:38px}.thread-copy{min-width:0}.thread-meta{display:flex;justify-content:space-between;gap:8px}.thread-meta strong{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-meta time{font-size:9px;color:#969d99;flex:none}.thread-copy h3{font-size:13px;letter-spacing:-.015em;margin:6px 0 5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-copy p{font-size:10px;color:#929995;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread-dot{position:absolute;right:11px;bottom:14px;width:6px;height:6px;border-radius:50%;background:#2a7a5d}.thread-star{position:absolute;right:23px;bottom:11px;color:#b08b43;font-size:11px}.reader-column{background:#fff;min-width:0;position:relative;display:flex;flex-direction:column}.reader-header{height:114px;border-bottom:1px solid #eceeec;padding:23px 30px 18px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.reader-title-row{display:flex;align-items:center;gap:12px;min-width:0}.reader-header h2{font-size:25px;letter-spacing:-.04em;margin:5px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-actions{display:flex;gap:6px}.icon-button{width:38px;height:38px;border-radius:12px;border:1px solid #e2e6e2;background:white;color:#66716c;display:grid;place-items:center}.icon-button:hover{background:#f3f5f3;color:#1c3f32}.mobile-back{display:none}.conversation-scroll{overflow:auto;padding:26px clamp(22px,4vw,58px) 70px}.conversation-participants{display:flex;justify-content:space-between;color:#959b98;font-size:10px;margin:0 0 20px}.message-card{border:1px solid #e8ebe8;border-radius:20px;background:white;padding:20px 22px;margin:0 0 13px;box-shadow:0 7px 24px rgba(28,43,36,.035)}.message-card.outbound{background:#fbfcfa}.message-card header{display:grid;grid-template-columns:38px 1fr auto;gap:12px;align-items:center}.message-avatar{width:38px;height:38px}.message-card header strong{display:block;font-size:11px}.message-card header small{display:block;color:#969c99;font-size:9px;margin-top:4px}.message-card header time{font-size:9px;color:#9aa19d}.message-body{white-space:pre-wrap;font-size:14px;line-height:1.72;color:#35403b;padding:20px 0 7px}.message-card footer{border-top:1px solid #edf0ed;margin-top:14px;padding-top:12px;display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:9px}.delivery-state{font-weight:800;color:#65736c}.delivery-accepted_local_mta{color:#2b7156}.delivery-failed{color:#a04545}.delivery-explain{color:#a0a5a2}.reply-zone{margin-top:24px;border:1px dashed #dbe1dc;border-radius:18px;padding:18px;display:flex;align-items:center;gap:14px;color:#909893;font-size:10px}.reader-empty{margin:auto;text-align:center;max-width:480px;padding:40px}.reader-orbit,.empty-orbit{margin:0 auto 24px;display:grid;place-items:center;width:70px;height:70px;border-radius:50%;background:radial-gradient(circle,#e5eee8 0 30%,transparent 31%),conic-gradient(from 20deg,#c7d9cf,#f6f7f5,#c7d9cf);color:#285a47}.reader-empty h2{font-size:34px;line-height:1.12;letter-spacing:-.05em;margin:12px 0 14px}.reader-empty p{color:#8a928e;line-height:1.6;font-size:13px}.empty-state{text-align:center;padding:65px 28px}.empty-state h3{font-size:21px;letter-spacing:-.03em;margin:0 0 9px}.empty-state p{color:#8d9591;font-size:12px;line-height:1.6;max-width:280px;margin:0 auto}.empty-action{margin-top:18px}
/* composer */.compose-scrim{position:fixed;inset:0;background:rgba(12,25,20,.28);backdrop-filter:blur(4px);z-index:50}.composer{position:fixed;z-index:55;right:30px;bottom:26px;width:min(620px,calc(100vw - 60px));height:min(650px,calc(100vh - 80px));background:#fff;border-radius:26px;box-shadow:0 35px 100px rgba(0,0,0,.25);overflow:hidden;border:1px solid rgba(255,255,255,.8);display:flex;flex-direction:column}.composer>header{padding:20px 24px;display:flex;align-items:center;justify-content:space-between;background:#f8f9f7;border-bottom:1px solid #e9ece9}.composer>header h2{margin:3px 0 0;font-size:20px;letter-spacing:-.035em}.composer form{display:flex;flex:1;flex-direction:column;min-height:0}.composer-line{display:grid;grid-template-columns:68px 1fr;align-items:center;border-bottom:1px solid #edf0ed;padding:0 24px;min-height:50px}.composer-line span{font-size:10px;color:#8c9490}.composer-line input{border:0;outline:0;background:transparent;font-size:12px;color:#26332d}.composer textarea{border:0;outline:0;resize:none;flex:1;padding:22px 24px;font-size:14px;line-height:1.7;color:#303c36}.composer footer{padding:14px 18px;border-top:1px solid #e9ece9;display:flex;justify-content:space-between;align-items:center}.composer-from{font-size:9px;color:#8f9692}.composer-from strong{color:#45534c}.send-button{border:0;background:#14372b;color:white;border-radius:13px;min-height:42px;padding:0 10px 0 16px;font-size:11px;font-weight:800}.send-button span{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:9px;background:rgba(255,255,255,.12);margin-left:10px}
/* admin */.admin-shell{min-height:100vh;display:grid;grid-template-columns:210px 1fr;background:#f3f5f2}.admin-aside{background:#11251e;color:#dce8e1;padding:22px;display:flex;flex-direction:column;gap:24px}.admin-aside .rail-brand{background:#e7efe9;color:#15372a}.admin-aside>a:not(.rail-brand){font-size:10px;color:#82978d}.admin-nav{display:grid;gap:5px}.admin-nav span{padding:10px 12px;border-radius:10px;color:#8ea198;font-size:11px}.admin-nav span.active{background:rgba(255,255,255,.08);color:white}.admin-aside small{margin-top:auto;color:#6f857a;font-size:9px;line-height:1.6}.admin-main{padding:44px clamp(28px,5vw,76px) 70px;overflow:auto}.admin-header{display:flex;justify-content:space-between;align-items:flex-start;gap:30px}.admin-header h1{font-size:42px;letter-spacing:-.055em;margin:10px 0}.admin-header p{color:#78817c;font-size:13px}.health-badge{border-radius:999px;padding:9px 13px;background:#e8eee9;font-size:10px;text-transform:uppercase;letter-spacing:.08em}.health-badge i{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:7px;background:#809189}.health-ready i{background:#3b946f}.health-degraded{background:#f4ebe2;color:#8a5d3b}.metric-line{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#dfe4df;border:1px solid #dfe4df;border-radius:21px;overflow:hidden;margin:34px 0}.metric-line article{background:#fff;padding:22px}.metric-line span,.metric-line small{display:block;color:#8a928e;font-size:9px}.metric-line strong{display:block;font-size:30px;letter-spacing:-.05em;margin:9px 0}.admin-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.admin-panel{background:#fff;border:1px solid #e1e5e1;border-radius:22px;padding:24px}.admin-panel>header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.admin-panel h2{font-size:20px;letter-spacing:-.035em;margin:4px 0}.admin-panel header a{font-size:10px;color:#317158;font-weight:800}.admin-table{font-size:10px}.table-head,.table-row{display:grid;grid-template-columns:1.2fr .7fr 1fr;gap:10px;align-items:center;padding:11px 7px;border-bottom:1px solid #edf0ed}.table-head{color:#929a95;font-size:8px;text-transform:uppercase;letter-spacing:.1em}.status-label{text-transform:capitalize}.status-label:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#a2aaa5;margin-right:6px}.status-label.status-active:before{background:#3e9a73}.transport-panel{display:flex;flex-direction:column}.transport-state{display:flex;gap:12px;align-items:center;padding:15px 0;border-top:1px solid #edf0ed}.transport-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:#eef3ef;color:#2c674f}.transport-state strong{font-size:11px}.transport-state p{margin:3px 0 0;font-size:9px;color:#8d9590}.truth-note{margin-top:auto;padding:13px;border-radius:13px;background:#f5f7f5;color:#7b857f;font-size:9px;line-height:1.6}.evidence-panel{grid-column:1/-1}.evidence-list{max-height:380px;overflow:auto}.evidence-row{display:grid;grid-template-columns:12px 1fr auto;gap:8px;padding:11px 4px;border-top:1px solid #edf0ed;align-items:center}.evidence-mark{width:7px;height:7px;border-radius:50%;background:#87aa99}.evidence-row strong{display:block;font-size:10px}.evidence-row small{display:block;font-size:8px;color:#9da39f;margin-top:3px}.evidence-row time{font-size:8px;color:#9ca39f}.table-empty{padding:22px 6px;color:#989f9b;font-size:10px}
@media(max-width:980px){.landing-hero{grid-template-columns:1fr;padding-top:30px}.hero-product{display:none}.setup-grid{grid-template-columns:1fr;gap:15px;margin-top:2vh}.setup-intro{padding-bottom:20px}.mail-app{grid-template-columns:62px 330px 1fr}.mailbox-chip{display:none}.admin-grid{grid-template-columns:1fr}.evidence-panel{grid-column:auto}.metric-line{grid-template-columns:1fr 1fr}}@media(max-width:760px){.landing-nav,.landing-hero,.landing-footer{width:calc(100% - 34px)}.landing-hero{padding:42px 0}.hero-copy h1{font-size:52px}.landing-footer{gap:15px;flex-direction:column}.setup-shell{padding:0 18px 40px}.setup-grid{margin-top:0}.setup-intro h1{font-size:48px}.setup-card{padding:24px}.inline-form{display:grid}.address-builder{grid-template-columns:1fr}.mail-app{grid-template-columns:56px 1fr;height:100dvh}.mail-rail{padding-inline:6px}.thread-column{grid-column:2}.reader-column{display:none;position:fixed;left:56px;right:0;top:0;bottom:0;z-index:30}.reader-column.reader-open{display:flex}.mobile-back{display:grid}.reader-header{padding:18px;height:100px}.reader-header h2{font-size:19px}.conversation-scroll{padding:18px}.message-card{padding:16px}.message-card header{grid-template-columns:34px 1fr}.message-card header time{display:none}.message-avatar{width:34px;height:34px}.composer{right:10px;bottom:10px;width:calc(100vw - 20px);height:calc(100dvh - 20px);border-radius:22px}.admin-shell{grid-template-columns:1fr}.admin-aside{display:none}.admin-main{padding:28px 18px}.admin-header h1{font-size:34px}.metric-line{grid-template-columns:1fr 1fr}.admin-header{display:block}.health-badge{display:inline-block;margin-top:12px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
@media(prefers-color-scheme:dark){:root{--ink:#e8eee9;--muted:#a0aaa4;--line:#2d3933;--panel:#17231e;--soft:#1c2923;--canvas:#111b17;--deep:#0b1511;--accent:#81c4a4}.mail-app,.thread-column,.reader-column,.setup-shell,.admin-shell{filter:none}.thread-column{background:#151f1b;border-color:#2b3630}.thread-column-header,.thread-toolbar,.thread-row,.reader-header,.message-card,.admin-panel,.metric-line article,.setup-card{background:#18241f;border-color:#2a3831}.thread-row:hover,.thread-row.selected{background:#203129}.thread-row.unread{background:#1c2923}.reader-column{background:#131d19}.message-card.outbound{background:#18241f}.composer{background:#17231e}.composer>header,.composer-line,.composer footer{background:#18241f;border-color:#2d3933}.composer-line input,.composer textarea{color:#e8eee9}.icon-button{background:#1b2822;border-color:#334139;color:#aebbb4}.admin-main{background:#121c18}.admin-table .table-row,.evidence-row,.transport-state{border-color:#2b3831}.truth-note,.transport-icon{background:#1f2d26}.setup-card{box-shadow:0 24px 70px rgba(0,0,0,.25)}.inline-form input,.stack-form input,.stack-form select,.domain-row{background:#17231e;border-color:#2d3933;color:#e8eee9}.domain-row code{background:#101a16}.landing-shell{background:radial-gradient(circle at 68% 28%,rgba(83,141,115,.11),transparent 27%),linear-gradient(180deg,#121d18,#0f1714)}.mock-window{background:#17231e}.mock-reader,.mock-list{background:#17231e;border-color:#2d3933}.mock-message{background:#1b2822;border-color:#2d3933}}

/* ========================================================================== */
/* 20260831.11 — FLAGSHIP LUXURY EXPERIENCE RECONSTRUCTION                    */
/* ========================================================================== */
:root{
  --lux-ink:#eaf2ed;
  --lux-ink-dark:#17231e;
  --lux-emerald:#78c6a1;
  --lux-emerald-2:#a9e2c5;
  --lux-deep:#0a1511;
  --lux-deep-2:#10231b;
  --lux-mist:#f5f7f4;
  --lux-paper:#fbfcfa;
  --lux-line:rgba(34,67,54,.12);
  --lux-shadow:0 34px 100px rgba(6,20,14,.18);
  --lux-shadow-deep:0 44px 130px rgba(0,0,0,.38);
}
body{background:#0b1511}
.toast{top:22px;padding:13px 20px;border-radius:16px;backdrop-filter:blur(24px);border:1px solid rgba(255,255,255,.11);box-shadow:0 24px 70px rgba(0,0,0,.28);font-size:12px;letter-spacing:-.01em}.toast-info{background:rgba(19,55,43,.92)}.toast-error{background:rgba(107,46,43,.94)}

/* Public flagship */
.landing-shell{position:relative;isolation:isolate;min-height:100vh;color:#eaf2ed;background:radial-gradient(ellipse at 74% 32%,rgba(70,153,116,.18),transparent 27%),radial-gradient(ellipse at 26% 72%,rgba(27,91,68,.10),transparent 36%),linear-gradient(145deg,#0d1b16 0%,#09120f 57%,#0b1712 100%);overflow:hidden}.landing-shell:before{content:"";position:absolute;z-index:-1;inset:-20%;background:linear-gradient(115deg,transparent 32%,rgba(151,219,184,.045) 47%,transparent 62%);transform:rotate(-8deg);pointer-events:none}.landing-shell:after{content:"";position:absolute;z-index:-1;inset:0;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 78%);pointer-events:none}.landing-nav{height:108px;width:min(1260px,calc(100% - 72px));position:relative;z-index:3}.landing-nav .brand-lockup{color:#edf6f1;font-size:14px;font-weight:570}.landing-nav .brand-mark{width:38px;height:38px;border-radius:13px;background:linear-gradient(145deg,#d9efe3,#9fd2b9);color:#10251c;box-shadow:inset 0 0 0 1px rgba(255,255,255,.5),0 12px 34px rgba(0,0,0,.25)}.landing-nav .button-ghost{background:rgba(230,242,235,.9);border-color:rgba(255,255,255,.3);color:#13261f;box-shadow:0 13px 35px rgba(0,0,0,.16);min-height:46px;padding-inline:20px}.landing-nav .button-ghost:hover{background:#fff;transform:translateY(-2px)}.landing-hero{width:min(1260px,calc(100% - 72px));grid-template-columns:.88fr 1.12fr;gap:78px;padding:58px 0 112px}.hero-copy .eyebrow{color:#7ed2aa;letter-spacing:.22em}.hero-copy h1{font-size:clamp(62px,6.5vw,96px);line-height:.91;letter-spacing:-.073em;margin:24px 0 28px;color:#f1f7f3;text-shadow:0 1px 0 rgba(255,255,255,.06)}.hero-copy>p{font-size:18px;line-height:1.72;color:#8ea198;max-width:580px;letter-spacing:-.013em}.hero-actions{margin-top:36px}.landing-shell .button-primary{background:linear-gradient(180deg,#eef6f1,#cfdfd6);color:#10241c;box-shadow:0 18px 45px rgba(0,0,0,.28),inset 0 1px rgba(255,255,255,.8);border-color:rgba(255,255,255,.38);min-height:48px}.landing-shell .button-primary:hover{background:#fff}.landing-shell .button-quiet{border-color:rgba(180,216,196,.25);background:rgba(255,255,255,.035);color:#c4d3cb;backdrop-filter:blur(12px);min-height:48px}.landing-shell .button-quiet:hover{background:rgba(255,255,255,.075);border-color:rgba(180,216,196,.42)}.trust-strip{margin-top:42px;color:#729086;font-size:10px;letter-spacing:.035em}.trust-strip span:before{color:#7ed2aa}.hero-product{position:relative;perspective:1500px}.hero-product:before{content:"";position:absolute;inset:7% -4% -7% 7%;border-radius:48px;background:radial-gradient(circle at 50% 38%,rgba(112,198,157,.16),transparent 59%);filter:blur(25px)}.mock-window{position:relative;height:585px;grid-template-columns:70px 230px 1fr;border-radius:36px;border:1px solid rgba(192,226,208,.34);background:rgba(22,42,34,.84);backdrop-filter:blur(28px);box-shadow:0 58px 120px rgba(0,0,0,.43),inset 0 1px rgba(255,255,255,.08);transform:rotateY(-3deg) rotateX(1.3deg) translateZ(0);overflow:hidden}.mock-window:before{content:"";position:absolute;inset:0;background:linear-gradient(125deg,rgba(255,255,255,.055),transparent 28%,transparent 73%,rgba(124,200,163,.035));pointer-events:none}.mock-sidebar{position:relative;z-index:2;background:linear-gradient(180deg,#102a20,#0c2018);border-right:1px solid rgba(255,255,255,.065);padding:20px 13px;gap:17px}.mock-sidebar i{width:36px;height:36px;border-radius:12px;background:rgba(214,237,225,.075);border:1px solid rgba(255,255,255,.035)}.mock-sidebar i:first-of-type{background:rgba(166,220,193,.14);box-shadow:inset 3px 0 #8bd0ae}.mock-compose{width:44px;height:44px;border-radius:14px;background:linear-gradient(145deg,#dcece3,#a9d3bc);box-shadow:0 11px 30px rgba(0,0,0,.25);color:#102b20}.mock-list{position:relative;z-index:2;padding:32px 17px;background:rgba(20,39,32,.86);border-right:1px solid rgba(196,226,211,.09);gap:12px}.mock-list small{color:#607d70}.mock-list b{color:#e7f0eb;font-size:14px;margin-bottom:4px}.mock-list span{position:relative;height:67px;border-radius:15px;background:rgba(233,244,238,.045);border:1px solid rgba(220,239,229,.055);overflow:hidden}.mock-list span:before{content:"";position:absolute;left:13px;top:14px;width:34%;height:7px;border-radius:999px;background:rgba(210,230,220,.28);box-shadow:0 14px 0 rgba(210,230,220,.10)}.mock-list span:after{content:"";position:absolute;right:13px;top:15px;width:7px;height:7px;border-radius:50%;background:rgba(126,210,169,.42)}.mock-list span:first-of-type{background:linear-gradient(135deg,rgba(114,190,153,.13),rgba(255,255,255,.045));border-color:rgba(137,208,174,.16);box-shadow:inset 3px 0 #78c6a1}.mock-reader{position:relative;z-index:2;padding:56px 36px;background:linear-gradient(160deg,rgba(25,46,38,.9),rgba(16,33,27,.94));color:#e7f1eb}.mock-reader small{color:#668477}.mock-reader h3{font-size:31px;line-height:1.02;color:#ecf5ef;margin:13px 0 16px}.mock-reader p{color:#71887d;line-height:1.55}.mock-message{height:132px;border:1px solid rgba(216,238,227,.09);border-radius:20px;margin-top:32px;background:linear-gradient(145deg,rgba(236,247,241,.055),rgba(255,255,255,.025));box-shadow:inset 0 1px rgba(255,255,255,.035)}.mock-message.short{height:88px;margin-top:14px}.landing-footer{width:min(1260px,calc(100% - 72px));border-color:rgba(197,226,211,.15);color:#526d61;padding:25px 0 34px;font-size:10px;letter-spacing:.02em}

/* Authenticated flagship workspace */
.mail-app{height:100vh;grid-template-columns:82px minmax(330px,405px) 1fr;background:#edf2ee;box-shadow:inset 0 1px rgba(255,255,255,.9)}.mail-rail{position:relative;background:radial-gradient(circle at 50% 6%,rgba(111,187,150,.11),transparent 24%),linear-gradient(180deg,#10271e,#0b1c16);border-right:1px solid rgba(255,255,255,.06);padding:17px 11px 15px;box-shadow:8px 0 30px rgba(9,28,20,.07)}.mail-rail:after{content:"";position:absolute;right:-1px;top:0;bottom:0;width:1px;background:linear-gradient(transparent,rgba(150,211,181,.18),transparent)}.rail-brand{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#e4f1e9,#abd4bf);color:#113126;box-shadow:0 12px 30px rgba(0,0,0,.22),inset 0 0 0 1px rgba(255,255,255,.55)}.compose-orb{width:52px;height:52px;border-radius:17px;margin-top:31px;background:linear-gradient(145deg,#dcefe4,#9fd1b7);color:#103326;box-shadow:0 18px 38px rgba(0,0,0,.22),inset 0 1px rgba(255,255,255,.65);font-weight:380}.compose-orb:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 23px 45px rgba(0,0,0,.26)}.rail-nav{gap:9px;margin-top:31px}.rail-item{width:46px;height:46px;border-radius:15px;color:#718e81;border:1px solid transparent}.rail-item:hover{background:rgba(255,255,255,.055);color:#d8e8df;border-color:rgba(255,255,255,.035)}.rail-item.active{background:linear-gradient(145deg,rgba(153,214,184,.15),rgba(255,255,255,.055));color:#eff8f3;border-color:rgba(174,225,200,.10);box-shadow:inset 0 1px rgba(255,255,255,.05),0 10px 24px rgba(0,0,0,.11)}.rail-avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#345a49,#224237);border-color:rgba(255,255,255,.11);box-shadow:0 8px 22px rgba(0,0,0,.18)}.thread-column{background:linear-gradient(180deg,#f9fbf8,#f4f7f4);border-right:1px solid #dce4de}.thread-column-header{height:126px;padding:31px 26px 20px;border-bottom:1px solid #e2e9e4;background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(249,251,249,.9));backdrop-filter:blur(20px)}.thread-column-header h1{font-size:29px;letter-spacing:-.055em;margin-top:6px;color:#172720}.mailbox-chip{background:#f2f7f3;border-color:#dce7df;color:#596d63;box-shadow:inset 0 1px #fff}.thread-toolbar{height:49px;padding:0 25px;color:#89968f;border-color:#e6ebe7;background:rgba(250,252,250,.84);font-size:9px;letter-spacing:.025em}.truth-chip{background:#eef5f0;border-color:#dbe8df;color:#547266}.thread-row{min-height:104px;padding:18px 20px;grid-template-columns:42px 1fr auto;gap:13px;background:rgba(252,253,251,.72);border-color:#e5ebe7}.thread-row:hover{background:#f0f6f2}.thread-row.selected{background:linear-gradient(90deg,#e5f0e9,#eef5f0);box-shadow:inset 3px 0 #3f8e6c}.thread-row.unread{background:#fff}.thread-avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#e6eee9,#d7e5dc);color:#315f4d;box-shadow:inset 0 0 0 1px rgba(41,93,72,.035)}.thread-meta strong{font-size:11px;color:#2a3832}.thread-copy h3{font-size:13px;color:#35443d;margin-top:7px}.thread-copy p{color:#929c97}.reader-column{background:radial-gradient(circle at 50% 0,rgba(209,230,218,.22),transparent 27%),linear-gradient(180deg,#fcfdfb,#f7faf7)}.reader-header{height:126px;padding:29px clamp(26px,3.8vw,54px) 20px;border-color:#e4eae6;background:rgba(252,253,251,.82);backdrop-filter:blur(20px)}.reader-header h2{font-size:27px;letter-spacing:-.05em;color:#203129}.icon-button{width:40px;height:40px;border-radius:13px;border-color:#dde5df;background:rgba(255,255,255,.86);color:#62736a;box-shadow:0 5px 15px rgba(26,49,39,.035)}.icon-button:hover{background:#edf5ef;border-color:#cfddd4;color:#245d47;transform:translateY(-1px)}.conversation-scroll{padding:31px clamp(25px,4.5vw,68px) 80px}.conversation-participants{margin-bottom:23px}.message-card{border-color:#e1e8e3;border-radius:23px;padding:23px 25px;margin-bottom:14px;box-shadow:0 12px 35px rgba(27,51,40,.045),inset 0 1px #fff}.message-card.outbound{background:linear-gradient(145deg,#fbfdfb,#f5f9f6)}.message-avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(145deg,#e4eee7,#d4e3da);color:#315b4a}.message-body{font-size:14px;line-height:1.78;color:#35443d;padding-top:22px}.message-card footer{border-color:#e5ebe7}.reply-zone{border:1px solid #dce6df;border-radius:20px;padding:18px;background:rgba(255,255,255,.55);box-shadow:inset 0 1px #fff}.reader-empty{max-width:520px}.reader-orbit,.empty-orbit{width:82px;height:82px;background:radial-gradient(circle,#dcebe2 0 28%,transparent 29%),conic-gradient(from 20deg,#b9d7c7,#f7faf8,#b9d7c7);box-shadow:0 20px 50px rgba(35,80,59,.12)}.reader-empty h2{font-size:40px;line-height:1.06;letter-spacing:-.06em;color:#21362c}.reader-empty p{font-size:13px;max-width:430px;margin-inline:auto}.empty-state{padding:78px 32px}.empty-state h3{font-size:24px;letter-spacing:-.045em;color:#263a31}.empty-state p{font-size:11px;max-width:300px}.composer{right:32px;bottom:30px;width:min(660px,calc(100vw - 64px));height:min(680px,calc(100vh - 86px));border-radius:30px;border:1px solid rgba(255,255,255,.8);box-shadow:0 45px 120px rgba(4,23,14,.27),inset 0 1px #fff}.compose-scrim{background:rgba(10,29,21,.34);backdrop-filter:blur(9px)}.composer>header{padding:22px 26px;background:linear-gradient(180deg,#fbfcfa,#f5f8f5);border-color:#e4eae6}.composer>header h2{font-size:22px;letter-spacing:-.045em}.composer-line{grid-template-columns:76px 1fr;padding:0 26px;min-height:54px;border-color:#e8ede9}.composer-line span{color:#84918a;font-weight:700}.composer textarea{padding:27px 26px;font-size:15px;line-height:1.78}.composer footer{padding:16px 20px;background:#fafcf9;border-color:#e5ebe6}.send-button{min-height:44px;border-radius:14px;background:linear-gradient(180deg,#173d2f,#102f24);box-shadow:0 12px 28px rgba(16,49,37,.18)}

/* Setup becomes a first-class onboarding room */
.setup-shell{background:radial-gradient(circle at 78% 24%,rgba(93,159,126,.13),transparent 28%),linear-gradient(145deg,#f5f8f5,#eaf1ec);color:#1d3027}.setup-header{height:98px}.setup-grid{margin-top:5vh;gap:82px}.setup-intro h1{font-size:clamp(56px,6vw,82px);letter-spacing:-.068em;color:#1a3026}.setup-intro>p{color:#65776e}.setup-card{border-radius:32px;padding:42px;background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);box-shadow:0 38px 100px rgba(30,67,49,.13);backdrop-filter:blur(28px)}.domain-row{border-radius:19px;background:rgba(250,252,250,.92)}.inline-form input,.stack-form input,.stack-form select{border-radius:14px;background:#f7faf7;min-height:47px}.version-pill{background:rgba(255,255,255,.6);backdrop-filter:blur(12px)}

/* Administration: serious infrastructure, not an internal tool */
.admin-shell{grid-template-columns:230px 1fr;background:#f1f5f2}.admin-aside{background:radial-gradient(circle at 30% 8%,rgba(108,181,146,.12),transparent 22%),linear-gradient(180deg,#10271e,#0b1c16);padding:27px 24px}.admin-aside .rail-brand{width:44px;height:44px;border-radius:14px}.admin-nav{gap:6px}.admin-nav span{padding:12px 13px;border-radius:12px}.admin-nav span.active{background:rgba(180,227,203,.10);box-shadow:inset 2px 0 #77c69f}.admin-main{padding:50px clamp(32px,5vw,82px) 80px;background:radial-gradient(circle at 88% 4%,rgba(106,162,134,.08),transparent 25%),#f4f7f4}.admin-header h1{font-size:48px;letter-spacing:-.065em}.admin-panel,.metric-line article{border-color:#dfe7e1;box-shadow:0 13px 35px rgba(27,55,42,.035)}.admin-panel{border-radius:24px;padding:27px}.metric-line{border-radius:24px;border-color:#dfe7e1;background:#dfe7e1}.metric-line strong{font-size:34px}.health-badge{background:#e8f2eb;border:1px solid #d5e5da}

/* Responsive flagship behavior */
@media(max-width:1100px){.landing-hero{gap:44px}.mock-window{height:520px;grid-template-columns:62px 200px 1fr}.mock-reader{padding:46px 28px}.mail-app{grid-template-columns:72px 350px 1fr}.thread-column-header{padding-inline:21px}.mailbox-chip{display:none}}
@media(max-width:860px){.landing-nav,.landing-hero,.landing-footer{width:calc(100% - 40px)}.landing-hero{grid-template-columns:1fr;padding-top:38px}.hero-copy{max-width:680px}.hero-product{margin-top:8px}.mock-window{transform:none;height:500px}.mail-app{grid-template-columns:64px 330px 1fr}.mail-rail{padding-inline:7px}.reader-header{padding-inline:22px}}
@media(max-width:760px){.landing-nav{height:86px}.landing-nav .brand-lockup{font-size:13px}.landing-hero{padding:34px 0 74px}.hero-copy h1{font-size:54px}.hero-copy>p{font-size:16px}.hero-product{display:block}.mock-window{height:430px;grid-template-columns:54px 42% 1fr;border-radius:27px}.mock-sidebar{padding:14px 7px}.mock-sidebar i{width:32px;height:32px}.mock-compose{width:38px;height:38px}.mock-list{padding:24px 12px}.mock-list span{height:57px}.mock-reader{padding:37px 18px}.mock-reader h3{font-size:23px}.mock-message{height:100px}.mail-app{grid-template-columns:58px 1fr}.thread-column{grid-column:2}.reader-column{left:58px}.thread-column-header{height:108px;padding:22px 18px 16px}.thread-column-header h1{font-size:25px}.thread-toolbar{padding-inline:18px}.thread-row{padding:16px}.composer{right:10px;bottom:10px;width:calc(100vw - 20px);height:calc(100dvh - 20px);border-radius:24px}.setup-card{padding:25px}.admin-main{padding:30px 18px}}
@media(max-width:520px){.landing-nav .button-ghost{padding-inline:13px;font-size:11px}.hero-copy h1{font-size:48px}.hero-actions{align-items:stretch;flex-direction:column}.mock-window{grid-template-columns:52px 1fr}.mock-reader{display:none}.landing-footer{font-size:9px}.trust-strip{gap:12px}.thread-column{min-width:0}.thread-row{min-height:96px}}
@media(prefers-reduced-motion:no-preference){.mock-window{animation:lux-float 8s ease-in-out infinite}.reader-orbit{animation:lux-breathe 5s ease-in-out infinite}.compose-orb{transition:transform .22s ease,box-shadow .22s ease}.thread-row,.message-card,.icon-button{transition:background .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease}@keyframes lux-float{0%,100%{transform:rotateY(-3deg) rotateX(1.3deg) translateY(0)}50%{transform:rotateY(-2deg) rotateX(.8deg) translateY(-8px)}}@keyframes lux-breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.045)}}}