:root{--bg:#f3f5f8;--bg-tint:#eef3f9;--card:#fff;--ink:#152033;--muted:#657084;--line:#e6ebf2;--chip:#eef4ff;--chip-ink:#1e4ed8;--chip-x:#8aa0c8;--accent:#2563eb;--accent-2:#1d4ed8;--send:#111827;--ok:#059669;--ok-bg:#ecfdf5;--warn:#b45309;--danger:#dc2626;--danger-bg:#fef2f2;--shadow:0 18px 50px #15203314;--shadow-sm:0 8px 24px #1520330f;--radius:22px;--tabbar-h:64px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}html{-webkit-text-size-adjust:100%}body{background:radial-gradient(1200px 600px at 10% -10%, #fff 0%, transparent 55%), radial-gradient(900px 500px at 90% 0%, #e8f0ff 0%, transparent 50%), var(--bg);color:var(--ink);min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,system-ui,sans-serif}button,input,textarea,select{font:inherit;font-size:16px}a{color:inherit;text-decoration:none}.app{min-height:100dvh;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);flex-direction:column;display:flex}.app header.top{justify-content:space-between;align-items:center;gap:12px;padding:14px 18px 8px;display:flex}.brand{align-items:center;gap:12px;display:flex}.logo{background:linear-gradient(145deg,#60a5fa,#2563eb 55%,#1d4ed8);border-radius:12px;flex-shrink:0;place-items:center;width:40px;height:40px;display:grid;box-shadow:0 8px 20px #2563eb47}.brand h1{letter-spacing:-.03em;font-size:20px;font-weight:700;line-height:1.1}.brand p{color:var(--muted);margin-top:1px;font-size:12px}.logout{border:1px solid var(--line);color:var(--muted);cursor:pointer;background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:600}main.page{width:100%;max-width:720px;padding:8px 16px calc(var(--tabbar-h) + 20px + env(safe-area-inset-bottom));flex:1;margin:0 auto}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #fffc;padding:22px 20px 20px}.card h2{letter-spacing:-.04em;margin-bottom:4px;font-size:26px;font-weight:750}.sub{color:var(--muted);margin-bottom:20px;font-size:14px}label.field{letter-spacing:.06em;text-transform:uppercase;color:#7a8699;margin-bottom:8px;font-size:12px;font-weight:700;display:block}.hint{letter-spacing:0;text-transform:none;color:var(--muted);margin-left:6px;font-weight:600}.chips{border:1.5px solid var(--line);background:#fbfcfe;border-radius:16px;flex-wrap:wrap;align-items:center;gap:8px;min-height:52px;padding:10px 12px;display:flex;position:relative}.chips:focus-within{background:#fff;border-color:#93c5fd;box-shadow:0 0 0 4px #2563eb14}.chip{background:var(--chip);color:var(--chip-ink);letter-spacing:-.01em;border-radius:999px;align-items:center;gap:8px;padding:7px 8px 7px 12px;font-size:14px;font-weight:600;display:inline-flex}.chip.list{color:#6d28d9;background:#f3e8ff}.chip.list button{color:#7c3aed;background:#e9d5ff}.chip button{width:20px;height:20px;color:var(--chip-x);cursor:pointer;background:#dbe6ff;border:0;border-radius:50%;font-size:14px;line-height:1}.chip button:hover{color:#1e4ed8;background:#c9d8ff}.to-input{min-width:140px;color:var(--ink);background:0 0;border:0;outline:none;flex:140px;padding:6px 4px;font-size:16px}.picker{border:1px solid var(--line);box-shadow:var(--shadow);z-index:8;background:#fff;border-radius:16px;max-height:260px;padding:6px;position:absolute;top:calc(100% + 6px);left:0;right:0;overflow:auto}.picker button{text-align:left;cursor:pointer;width:100%;color:var(--ink);background:0 0;border:0;border-radius:12px;justify-content:space-between;gap:8px;padding:10px 12px;display:flex}.picker button:hover,.picker button.active{background:#f3f6fb}.picker .meta{color:var(--muted);font-size:13px;font-weight:600}.picker .empty{color:var(--muted);padding:12px;font-size:14px}.text-input,textarea.msg,input.plain{border:1.5px solid var(--line);width:100%;color:var(--ink);background:#fbfcfe;border-radius:16px;outline:none;padding:14px 16px;font-size:16px}textarea.msg{resize:vertical;min-height:160px;font-size:16px;line-height:1.5}.text-input:focus,textarea.msg:focus,input.plain:focus{background:#fff;border-color:#93c5fd;box-shadow:0 0 0 4px #2563eb14}.meta-row{color:var(--muted);justify-content:space-between;align-items:center;margin-top:8px;margin-bottom:18px;font-size:13px;display:flex}.meta-row.warn{color:var(--warn)}.meta-row.over{color:var(--danger)}.meta-row b{color:var(--ink)}.actions{justify-content:flex-end;gap:10px;display:flex}.ghost,.send,.primary,.danger-btn{cursor:pointer;border:0;border-radius:14px;padding:13px 18px;font-size:15px;font-weight:700}.ghost{color:var(--muted);background:#f3f5f8}.send,.primary{color:#fff;background:linear-gradient(#222938,#111827);justify-content:center;align-items:center;gap:8px;min-width:140px;display:inline-flex;box-shadow:0 10px 22px #11182738}.send:hover,.primary:hover{filter:brightness(1.08)}.send:disabled,.primary:disabled{opacity:.45;cursor:not-allowed;filter:none}.danger-btn{background:var(--danger-bg);color:var(--danger)}.tabbar{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:10;background:#ffffffeb;grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.tabbar a{color:var(--muted);flex-direction:column;align-items:center;gap:2px;padding:6px 0;font-size:11px;font-weight:650;display:flex}.tabbar a.active{color:var(--accent-2)}.tabbar svg{width:22px;height:22px}.row-list{flex-direction:column;gap:10px;display:flex}.row{border:1px solid var(--line);background:#fff;border-radius:16px;justify-content:space-between;align-items:center;gap:12px;padding:14px;display:flex}.row h3{letter-spacing:-.02em;font-size:16px;font-weight:700}.row p{color:var(--muted);margin-top:2px;font-size:13px}.row .tiny{gap:8px;display:flex}.row .tiny button{color:var(--muted);cursor:pointer;background:#f3f5f8;border:0;border-radius:10px;padding:8px 10px;font-size:13px;font-weight:650}.form-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;display:grid}.form-grid .full{grid-column:1/-1}.banner{border-radius:14px;margin-bottom:14px;padding:12px 14px;font-size:14px}.banner.err{background:var(--danger-bg);color:var(--danger)}.banner.ok{background:var(--ok-bg);color:var(--ok)}.status-pill{color:var(--muted);text-transform:capitalize;background:#f3f5f8;border-radius:999px;align-items:center;padding:4px 8px;font-size:12px;font-weight:700;display:inline-flex}.status-pill.delivered{background:var(--ok-bg);color:var(--ok)}.status-pill.sent{color:#1d4ed8;background:#eff6ff}.status-pill.failed,.status-pill.undelivered{background:var(--danger-bg);color:var(--danger)}.status-pill.skipped,.status-pill.queued{color:var(--warn);background:#fff7ed}.thread-card{margin-bottom:14px}.inbound{white-space:pre-wrap;background:#f3f5f8;border-radius:14px 14px 14px 4px;margin:10px 0;padding:12px 14px;font-size:15px;line-height:1.4}.outbound{color:#1e3a8a;background:#dbeafe;border-radius:14px 14px 4px;max-width:90%;margin:8px 0 8px auto;padding:10px 12px;font-size:14px}.reply-box{gap:8px;margin-top:8px;display:flex}.reply-box input{border:1.5px solid var(--line);background:#fbfcfe;border-radius:14px;outline:none;flex:1;padding:12px 14px;font-size:16px}.reply-box button{background:var(--send);color:#fff;cursor:pointer;border:0;border-radius:14px;padding:0 16px;font-weight:700}.login-wrap{min-height:100dvh;padding:24px;padding-top:calc(24px + env(safe-area-inset-top));place-items:center;display:grid}.login-card{width:min(400px,100%)}.login-card .logo{width:52px;height:52px;margin-bottom:14px}.toast{z-index:20;background:#15203347;place-items:center;padding:24px;display:none;position:fixed;inset:0}.toast.show{display:grid}.toast-card{background:#fff;border-radius:24px;width:min(440px,100%);padding:28px 24px 20px;box-shadow:0 30px 80px #15203333}.toast-card h3{letter-spacing:-.03em;margin-bottom:6px;font-size:20px}.toast-card p{color:var(--muted);margin-bottom:14px;font-size:14px}.rec-line{border-top:1px solid var(--line);justify-content:space-between;gap:8px;padding:8px 0;font-size:13px;display:flex}.err-detail{color:var(--danger);margin-top:2px;font-size:12px}.member-list{border:1px solid var(--line);border-radius:14px;max-height:280px;margin:10px 0 14px;padding:6px;overflow:auto}.member-list label{border-radius:10px;align-items:center;gap:10px;padding:10px;font-size:15px;font-weight:600;display:flex}.member-list label:hover{background:#f3f6fb}.member-list input{width:18px;height:18px}.empty{color:var(--muted);text-align:center;padding:28px 12px;font-size:15px}@media (min-width:860px){main.page{padding-bottom:40px}.tabbar{background:0 0;border:0;gap:8px;max-width:720px;margin:0 auto;padding:0 16px 8px;position:static}.tabbar a{border:1px solid var(--line);background:#fff;border-radius:999px;flex-direction:row;justify-content:center;gap:8px;padding:10px 8px;font-size:13px}.tabbar a.active{background:#eef4ff;border-color:#dbe6ff}}a.campaign-row{color:inherit;-webkit-tap-highlight-color:transparent;align-items:center;gap:12px;min-height:76px;margin-bottom:10px;padding:18px 16px;display:flex}a.campaign-row:active{background:#f8fafc}.campaign-row-main{flex:1;min-width:0}.campaign-row-main h3{letter-spacing:-.03em;font-size:20px;font-weight:750;line-height:1.2}.campaign-meta{color:var(--muted);margin-top:6px;font-size:13px}.chevron{color:#9aa6b8;flex-shrink:0;place-items:center;display:grid}.chevron.open{transform:rotate(90deg)}.back-link{color:var(--accent-2);align-items:center;gap:6px;min-height:44px;margin:4px 0 12px;padding:8px 2px;font-size:15px;font-weight:700;display:inline-flex}.section-label{letter-spacing:.06em;text-transform:uppercase;color:#7a8699;margin-bottom:8px;font-size:12px;font-weight:700}.campaign-thread{border-top:1px solid var(--line);padding:12px 0}.campaign-thread:first-of-type{border-top:0}.thread-head{text-align:left;cursor:pointer;width:100%;color:inherit;background:0 0;border:0;align-items:center;gap:12px;min-height:52px;padding:6px 0;display:flex}.thread-head h3{letter-spacing:-.02em;font-size:17px;font-weight:700}.thread-head p{color:var(--muted);margin-top:2px;font-size:13px}.thread-head .chevron{margin-left:auto}.thread-body{padding:4px 0 8px}.text-mult{color:var(--warn);letter-spacing:-.02em;background:#fff7ed;border-radius:8px;padding:2px 8px;font-size:14px;display:inline-block}.usage-rows{border:1px solid var(--line);border-radius:14px;margin:4px 0 12px;overflow:hidden}.usage-row{border-top:1px solid var(--line);justify-content:space-between;gap:12px;padding:12px 14px;font-size:14px;display:flex}.usage-row:first-child{border-top:0}.usage-row span{color:var(--muted)}.usage-row b{letter-spacing:-.02em;font-weight:750}.over-text{color:var(--danger)}.usage-note{color:var(--muted);margin:0 0 12px;font-size:13px;line-height:1.4}.confirm-actions{gap:10px;margin-top:4px;display:flex}.confirm-actions .ghost,.confirm-actions .primary{flex:1}.marketing{min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.mkt-top{justify-content:space-between;align-items:center;gap:12px;max-width:720px;margin:0 auto;padding:16px 18px 8px;display:flex}.mkt-links{align-items:center;gap:10px;display:flex}.mkt-signin{border:1px solid var(--line);color:var(--ink);box-shadow:var(--shadow-sm);background:#fff;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700}.mkt-signin:active{transform:scale(.98)}.mkt-main{max-width:720px;margin:0 auto;padding:8px 16px 48px}.hero{margin-bottom:18px}.hero-title{letter-spacing:-.04em;margin:4px 0 10px;font-size:28px;font-weight:800;line-height:1.15}.hero-copy{color:var(--muted);font-size:15px;line-height:1.5}.hero-copy b{color:var(--ink)}.stripe-badge{letter-spacing:.04em;text-transform:uppercase;color:#92400e;background:#fffbeb;border:1px solid #fcd34d;border-radius:999px;margin-bottom:8px;padding:5px 10px;font-size:11px;font-weight:700;display:inline-block}.mkt-err{margin:0 0 14px}.tiers-section{margin-top:6px}.tiers-head{padding:0 4px 10px}.tiers-head h3{letter-spacing:-.02em;font-size:18px;font-weight:750}.tiers-head p{color:var(--muted);margin-top:2px;font-size:13px}.carousel-wrap{align-items:center;gap:0;display:flex;position:relative}.tier-track{scroll-snap-type:x mandatory;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:14px;width:100%;padding:8px 28px 18px;display:flex;overflow-x:auto}.tier-track::-webkit-scrollbar{display:none}.tier-card{scroll-snap-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);opacity:.72;flex-direction:column;flex:0 0 min(86vw,320px);gap:8px;padding:22px 20px 18px;transition:transform .35s cubic-bezier(.22,1,.36,1),box-shadow .35s,border-color .35s,opacity .35s;display:flex;position:relative;transform:scale(.94)}.tier-card.active{opacity:1;box-shadow:var(--shadow);border-color:#bfdbfe;transform:scale(1)}.tier-card.featured.active{border-color:#93c5fd;box-shadow:0 16px 40px #2563eb29}.tier-card .pill{text-transform:uppercase;background:var(--chip);color:var(--chip-ink);border-radius:999px;padding:4px 8px;font-size:11px;font-weight:700;position:absolute;top:14px;right:14px}.tier-card h4{letter-spacing:-.02em;font-size:20px;font-weight:750}.tier-card .price{align-items:baseline;gap:4px;margin:2px 0 4px;display:flex}.tier-card .dollar{letter-spacing:-.04em;font-size:40px;font-weight:800}.tier-card .per{color:var(--muted);font-size:14px}.tier-blurb{color:var(--muted);min-height:3.2em;font-size:14px;line-height:1.45}.tier-card ul{color:var(--muted);flex:1;margin:4px 0 10px;font-size:14px;line-height:1.55;list-style:none}.tier-card ul b{color:var(--ink)}.tier-card .buy{width:100%;margin-top:auto}.carousel-nav{z-index:2;border:1px solid var(--line);width:36px;height:36px;box-shadow:var(--shadow-sm);color:var(--ink);cursor:pointer;background:#fffffff2;border-radius:999px;place-items:center;font-size:22px;line-height:1;display:grid;position:absolute;top:50%;transform:translateY(-60%)}.carousel-nav:disabled{opacity:.35;cursor:default}.carousel-nav.prev{left:0}.carousel-nav.next{right:0}.carousel-dots{justify-content:center;gap:8px;padding:2px 0 8px;display:flex}.carousel-dots .dot{cursor:pointer;background:#c5cedd;border:none;border-radius:999px;width:8px;height:8px;padding:0;transition:width .25s,background .25s}.carousel-dots .dot.on{background:var(--accent);width:22px}.dev-home{margin-top:18px}.dev-home h3{margin-bottom:6px;font-size:17px;font-weight:750}.dev-home>p{color:var(--muted);margin-bottom:14px;font-size:13px;line-height:1.45}.dev-row{flex-direction:column;gap:10px;display:flex}.dev-row .primary{width:100%}.mkt-foot{color:var(--muted);text-align:center;margin-top:22px;font-size:14px}.mkt-foot a{color:var(--accent);font-weight:600}a.primary.buy{justify-content:center;align-items:center;width:100%;margin-top:8px;text-decoration:none;display:inline-flex}a.primary.buy.disabled{opacity:.45;pointer-events:none}@media (min-width:760px){.tier-card{flex-basis:300px}.carousel-nav{display:grid}}.plan-chip{color:var(--chip-ink);background:var(--chip);border-radius:999px;margin:0 0 14px;padding:6px 12px;font-size:13px;font-weight:700;display:inline-block}.attach-block{flex-wrap:wrap;align-items:center;gap:10px;margin:10px 0 14px;display:flex}.attach-input{opacity:0;pointer-events:none;width:1px;height:1px;position:absolute}.attach-btn{min-width:auto;padding:10px 14px}.attach-hint{color:var(--muted);font-size:12px;font-weight:600}.attach-chips{flex-direction:column;gap:8px;width:100%;margin-top:4px;display:flex}.attach-chip{border:1px solid var(--line);background:#fbfcfe;border-radius:14px;align-items:center;gap:10px;padding:8px 10px;display:flex}.attach-chip.err{background:var(--danger-bg);border-color:#fecaca}.attach-chip img{object-fit:cover;background:#e8eef7;border-radius:10px;flex-shrink:0;width:48px;height:48px}.attach-meta{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.attach-name{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:650;overflow:hidden}.attach-status{color:var(--muted);font-size:12px}.attach-chip.err .attach-status{color:var(--danger)}.attach-x{color:var(--chip-x);cursor:pointer;background:0 0;border:0;padding:4px 8px;font-size:22px;line-height:1}.csv-row{flex-wrap:wrap;align-items:center;gap:10px;margin:-6px 0 18px;display:flex}.csv-card{width:min(420px,100%);max-width:420px}.csv-pick{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;display:flex}.csv-paste{resize:vertical;border:1px solid var(--line);width:100%;min-height:88px;font:inherit;color:var(--ink);background:#fbfcfe;border-radius:14px;margin-bottom:8px;padding:12px 14px;font-size:13px;line-height:1.4}.csv-paste:focus{border-color:#c5d4ea;outline:none;box-shadow:0 0 0 3px #2563eb14}.csv-preview{margin:4px 0 14px}.csv-summary{letter-spacing:-.02em;color:var(--ink);margin:0 0 8px;font-size:14px;font-weight:700}.csv-list{border:1px solid var(--line);border-radius:14px;max-height:220px;margin:0;padding:0;list-style:none;overflow:hidden auto}.csv-list li{border-top:1px solid var(--line);justify-content:space-between;gap:12px;padding:10px 12px;font-size:13px;display:flex}.csv-list li:first-child{border-top:0}.csv-list .meta{color:var(--muted);white-space:nowrap;font-weight:600}