:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#20243b;background:#f6f7fb;font-size:14px;line-height:1.5;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{width:100%;border:1px solid #dfe3ed;background:#fff;border-radius:10px;padding:12px 13px;color:#1f2740;outline:none;min-height:43px}input:focus,select:focus,textarea:focus{border-color:#516bdf;box-shadow:0 0 0 3px rgba(75,102,230,.12)}textarea{resize:vertical;min-height:104px}label{display:block;font-weight:600;font-size:12px;color:#3f4965}label input,label select,label textarea{margin-top:6px;font-weight:400}h1,h2,h3,p{margin:0}h1{font-size:26px;line-height:1.15;letter-spacing:-.7px;font-weight:750}h2{font-size:20px;letter-spacing:-.5px}h3{font-size:15px;letter-spacing:-.2px}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}.muted{color:#768099}.eyebrow{letter-spacing:1.3px;color:#6272ad;font-weight:750;font-size:10px}.app-shell{min-height:100vh}.sidebar{display:none}.work-area{min-width:0}.topbar{height:65px;background:#fff;border-bottom:1px solid #e9ecf3;display:flex;align-items:center;gap:10px;padding:0 20px}.mobile-brand{display:flex;align-items:center;gap:9px;font-weight:750;letter-spacing:-.4px;font-size:15px}.brand-mark{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;color:#fff;background:#4259d3}.brand-mark .icon{width:25px;height:25px}.brand-mark.small{width:38px;height:38px;border-radius:12px}.brand-mark.small .icon{width:20px;height:20px}.brand-mark.tiny{width:30px;height:30px;border-radius:9px}.brand-mark.tiny .icon{width:16px;height:16px}.topbar-meta{display:none}.top-refresh{margin-left:auto}.main{max-width:1250px;margin:0 auto;padding:24px 17px 110px}.page-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:23px}.page-heading p{margin-top:7px;color:#788197;max-width:620px;font-size:13px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:26px 0 13px}.section-title h2{font-size:17px}.button,.icon-button{border:1px solid #e1e5ef;background:#fff;color:#475371;border-radius:10px;min-height:40px;padding:9px 13px;display:inline-flex;gap:9px;align-items:center;justify-content:center;font-weight:650;text-decoration:none;white-space:nowrap;transition:background .14s,border-color .14s}.button:hover,.icon-button:hover{background:#f0f3fc;border-color:#cfd6ed}.button.primary{background:#445cd5;border-color:#445cd5;color:#fff}.button.primary:hover{background:#3148b8}.button.quiet{border-color:transparent;background:transparent}.button.small{min-height:34px;padding:6px 10px;font-size:12px}.button.full{width:100%}.icon-button{width:40px;padding:0}.icon-button .icon{width:17px;height:17px}.bottom-nav{position:fixed;z-index:30;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e6e9f0;display:grid;grid-template-columns:repeat(4,1fr);padding:9px 5px calc(8px + env(safe-area-inset-bottom))}.nav-item{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;color:#8490a5;padding:10px 13px;border-radius:10px}.bottom-nav .nav-item{flex-direction:column;gap:3px;padding:6px 2px;font-size:10px;line-height:1.2}.nav-item.active{color:#3e56d1;background:#eef0ff}.bottom-nav .nav-item.active{background:transparent}.nav-item.active .icon{stroke-width:2.4}.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.metric{border:1px solid #e8ebf3;border-radius:14px;background:#fff;padding:17px 16px;min-width:0}.metric .metric-top{display:flex;justify-content:space-between;align-items:center;gap:8px;color:#717d96;font-size:12px;font-weight:650}.metric strong{display:block;line-height:1.15;font-size:30px;margin-top:17px;letter-spacing:-.9px;font-weight:750}.metric-icon{height:30px;width:30px;display:grid;place-items:center;border-radius:9px;background:#f3f4f8}.metric.failed .metric-icon{background:#fef0ef;color:#d05d52}.metric.sent .metric-icon{background:#e6f7ee;color:#19936b}.metric.pending .metric-icon{background:#fff5e5;color:#bc8432}.card{border:1px solid #e8ebf1;background:white;border-radius:14px;overflow:hidden}.card-pad{padding:20px}.empty{padding:45px 20px;text-align:center;color:#8993a9}.empty strong{display:block;margin-top:10px;color:#3d4861}.empty p{margin-top:6px}.message-row{display:flex;align-items:flex-start;gap:12px;padding:16px;border-bottom:1px solid #edf0f6}.message-row:last-child{border-bottom:0}.message-avatar{width:39px;height:39px;border-radius:11px;display:grid;place-items:center;background:#f0f2f9;color:#5160a0;font-size:13px;font-weight:800;flex:none;text-transform:uppercase}.message-content{flex:1;min-width:0}.message-top{display:flex;align-items:center;justify-content:space-between;gap:9px}.message-to{font-weight:700;overflow-wrap:anywhere;min-width:0}.message-time{font-size:11px;color:#8a93a5;white-space:nowrap}.message-text{font-size:12px;color:#7c879b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;margin-top:3px}.message-sub{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:8px}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:30px;font-size:11px;font-weight:700;color:#a96a20;background:#fff5e2;text-transform:capitalize}.badge.sent{background:#e6f7ee;color:#17835a}.badge.failed{background:#feeeee;color:#c34545}.badge.pending{background:#fff5e2;color:#aa741e}.message-error{color:#cb4e4e;font-size:12px;line-height:1.5;overflow-wrap:anywhere;margin-top:7px}.retry{align-self:center;flex:none}.retry[hidden]{display:none}.filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:16px}.filters .recipient-filter{grid-column:span 2}.filters label{font-size:11px}.pagination{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-top:1px solid #eef0f5;font-size:12px;color:#7d879a}.pagination .buttons{display:flex;gap:6px}.test-layout{display:grid;gap:16px}.test-form .fields{display:grid;gap:14px}.field-help{font-size:11px;color:#8892a7;font-weight:400;margin-top:5px}.test-form .row-two{display:grid;gap:14px}.test-actions{margin-top:18px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.form-error{color:#be4040;font-size:12px;overflow-wrap:anywhere}.result{border-radius:12px;padding:18px;background:#f5f7fc;border:1px solid #e8ecf4}.result.success{background:#f1fbf5;border-color:#ccebdc}.result.failed{background:#fff7f7;border-color:#f3cccc}.result.pending{background:#fffaf0;border-color:#efdfb9}.result h3{display:flex;align-items:center;gap:9px}.result p{margin-top:9px;overflow-wrap:anywhere;color:#5d687d;font-size:13px}.result small{display:block;margin-top:10px;color:#78839b}.guide-intro{padding:16px;border-radius:12px;background:#edf0fc;color:#495c99;font-size:13px;margin-bottom:18px}.provider-grid{display:grid;gap:12px}.provider-card{background:#fff;border:1px solid #e8ebf1;border-radius:14px;padding:18px}.provider-head{display:flex;align-items:center;gap:12px}.provider-symbol{width:43px;height:43px;display:grid;place-items:center;background:#f0f2fa;border-radius:12px;font-size:15px;font-weight:800;color:#4457bb}.provider-head h3{flex:1}.provider-head .badge{white-space:nowrap}.provider-description{color:#78849a;font-size:12px;margin:11px 0 12px;line-height:1.5}.provider-card details{border-top:1px solid #edf0f5;padding-top:13px}.provider-card summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:8px;color:#4d61ba;font-weight:700;font-size:12px;list-style:none}.provider-card summary::after{content:'+';font-size:20px;font-weight:400}.provider-card details[open] summary::after{content:'−'}.provider-card ol{padding-left:20px;margin:12px 0 0;color:#697589;font-size:12px;line-height:1.7}.provider-card li+li{margin-top:7px}.missing-list{margin-top:12px;font-size:12px;color:#a65b36}.missing-list code{display:inline-block;color:#914a26;background:#fff0e4;padding:3px 6px;border-radius:4px;margin:4px 4px 0 0}.toast{position:fixed;z-index:90;bottom:90px;left:50%;transform:translateX(-50%);max-width:min(92vw,410px);width:max-content;padding:13px 18px;border-radius:11px;color:#fff;background:#2b344e;box-shadow:0 6px 20px #1f2a4d26;font-size:13px;text-align:center}.login-screen{min-height:100vh;display:grid;place-items:center;padding:22px;background:radial-gradient(circle at top right,#e6ebff 0,transparent 40%),#f6f7fb}.login-panel{background:#fff;border:1px solid #e7eaf2;border-radius:20px;padding:34px 26px;width:min(100%,430px);box-shadow:0 18px 55px #25336c0b}.login-panel .brand-mark{margin-bottom:28px}.login-panel h1{margin:8px 0 13px}.login-panel .muted{line-height:1.7;margin-bottom:28px}.stack{display:grid;gap:17px}.login-panel .secure-hint{text-align:center;font-size:11px;color:#a0a8b9;margin-top:28px}.login-panel .button{margin-top:5px}.loading{text-align:center;color:#7e8aa1;padding:70px 20px}.divider{height:1px;background:#ebedf4;margin:14px 0}.notice{padding:14px 16px;border-radius:10px;background:#fff7e8;border:1px solid #f0dfbf;color:#8a6636;margin-bottom:15px;font-size:12px}.hide{display:none!important}
@media(min-width:640px){.main{padding:32px 30px 110px}.metrics{grid-template-columns:repeat(4,minmax(0,1fr))}.metric{padding:20px}.metric strong{font-size:35px}.test-form .row-two{grid-template-columns:repeat(2,minmax(0,1fr))}.filters{grid-template-columns:150px 160px minmax(190px,1fr) auto;align-items:end}.filters .recipient-filter{grid-column:auto}.message-row{align-items:center;padding:16px 21px}.provider-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:980px){.app-shell{display:grid;grid-template-columns:242px minmax(0,1fr)}.sidebar{display:flex;flex-direction:column;background:#fff;border-right:1px solid #e6e9f2;padding:30px 17px;min-height:100vh;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:11px;font-size:16px;letter-spacing:-.5px;font-weight:800;color:#253047;text-decoration:none;padding-left:10px;line-height:1.05}.brand-sub{display:block;font-size:13px;color:#596a9d}.nav-label{font-size:10px;font-weight:800;letter-spacing:1px;color:#adb5c6;margin:53px 10px 10px}.nav-links{display:grid;gap:6px}.sidebar-footer{margin-top:auto;border-top:1px solid #eef0f5;padding:17px 8px 0;display:grid;gap:5px}.sidebar-user{font-size:12px;font-weight:800;margin:0 13px 7px}.sidebar-footer .button{justify-content:flex-start}.work-area{min-height:100vh}.topbar{height:75px;padding:0 37px}.mobile-brand{display:none}.topbar-meta{display:block;color:#7d879c;font-size:12px}.main{padding:38px 40px 70px}.bottom-nav{display:none}.page-heading{margin-bottom:27px}.page-heading h1{font-size:29px}.test-layout{grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);align-items:start}.provider-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.toast{bottom:24px}}

[hidden]{display:none!important}

/* API key lifecycle and editable provider credentials */
.provider-card{display:flex;flex-direction:column;align-items:stretch;gap:3px}
.provider-card .provider-head{min-width:0;flex-wrap:wrap}
.provider-card .provider-head h3{min-width:100px}
.config-panel,.setup-guide{border-top:1px solid #edf0f5;margin-top:9px;padding-top:13px}
.provider-card .config-panel summary,.provider-card .setup-guide summary{font-size:13px}
.config-form{padding:18px 0 7px}
.config-fields{display:grid;grid-template-columns:minmax(0,1fr);gap:15px}
.setting-field{display:grid;gap:6px;min-width:0}
.setting-field>label:first-child{font-size:12px;font-weight:700;color:#4f5b74}
.setting-field input,.setting-field textarea,.setting-field select{width:100%;min-width:0}
.setting-field textarea{resize:vertical}
.setting-field .field-help{line-height:1.5}
.setting-field .clear-secret{display:flex;align-items:center;gap:8px;font-size:11px;color:#8a4d41;font-weight:600;cursor:pointer}
.setting-field .clear-secret input{width:16px;min-width:16px;height:16px}
.config-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:19px}
.config-actions .field-help{max-width:260px}
.provider-test{align-self:flex-start;margin-top:13px}
.notice .icon{vertical-align:middle;margin-right:6px}
.key-layout{display:grid;gap:17px;align-items:start}
.key-layout h2{font-size:17px}
.key-layout .description{font-size:12px;line-height:1.65;margin-top:7px}
.key-form{display:grid;gap:12px;margin-top:20px}
.key-form .button{justify-self:start}
.key-list-heading{display:flex;justify-content:space-between;align-items:center;padding:20px;gap:12px;border-bottom:1px solid #ebedf4}
.key-list-heading .muted{font-size:12px}
.key-row{display:flex;align-items:center;gap:12px;padding:17px 18px;border-bottom:1px solid #eef0f5;flex-wrap:wrap}
.key-row:last-child{border-bottom:0}
.key-avatar{width:36px;height:36px;display:grid;place-items:center;background:#edf1fb;color:#5365b3;border-radius:10px;flex:none}
.key-info{flex:1;min-width:150px;display:grid;gap:5px;overflow-wrap:anywhere}
.key-info strong{font-size:13px}.key-info code{color:#62728d;font-size:12px}
.key-info small{font-size:11px;color:#9099a9}
.button.danger{color:#af3f3f;border-color:#f1d3d3;background:#fffafa}
.button.danger:hover{background:#fff0f0}
.key-reveal{margin-top:20px;padding:15px;background:#fff8e8;border:1px solid #f1ddae;border-radius:11px;overflow:hidden}
.key-reveal strong{display:flex;align-items:center;gap:6px;font-size:12px;color:#795b23}
.key-reveal p{font-size:12px;color:#7b6c4e;line-height:1.6;margin:10px 0}
.copy-row{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap}
.copy-row input{flex:1;min-width:100px;font-family:monospace;background:#fff}
@media(min-width:780px){.key-layout{grid-template-columns:minmax(270px,.85fr) minmax(0,1.15fr)}.key-row{flex-wrap:nowrap}}
@media(max-width:370px){.bottom-nav .nav-item{font-size:9px}.bottom-nav .nav-item .icon{width:17px;height:17px}.provider-head .badge{font-size:10px}}

.bottom-nav{grid-template-columns:repeat(5,minmax(0,1fr))}
.result.sent{background:#f1fbf5;border-color:#ccebdc}

/* Service-level access control and named SMTP accounts */
.scope-label{font-size:12px;font-weight:750;color:#49556c}
.scope-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:8px}
.scope-option{display:flex;align-items:center;gap:9px;cursor:pointer;background:#f5f7fb;border:1px solid #e6eaf2;border-radius:9px;padding:10px 11px;font-size:12px;font-weight:650;min-height:42px}
.scope-option:has(input:checked){background:#eef3ff;border-color:#b4c4f5;color:#344ca2}
.scope-option input{width:16px;height:16px;min-width:16px;flex:none;accent-color:#5467b8}
.permission-tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:5px}
.permission-tag{padding:4px 7px;border-radius:5px;background:#edf1fb;color:#56638d;font-size:10px;font-weight:700}
.key-editor{margin-top:9px;padding:9px 0}.key-editor summary{font-weight:700;font-size:12px;cursor:pointer;color:#445ba8}.key-editor form{display:grid;gap:11px;margin-top:10px}
.smtp-accounts{margin:16px 0 22px}.smtp-heading{display:flex;gap:15px;justify-content:space-between;align-items:flex-start}.smtp-heading h2{font-size:18px}.smtp-heading .description{font-size:12px;line-height:1.6;margin-top:6px}.smtp-list{display:grid;gap:10px;margin:17px 0}
.smtp-account,.smtp-add{border:1px solid #e8ebf4;border-radius:10px;padding:13px 15px;background:#fcfdff}.smtp-account summary,.smtp-add summary{cursor:pointer;font-size:13px;color:#34405c;font-weight:700}.smtp-account summary{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.smtp-account summary>span{display:grid;gap:4px;flex:1;min-width:130px}.smtp-account summary small{font-size:11px;color:#808b9d;font-weight:400}.smtp-account summary code{font-size:10px;color:#8a93a7;overflow-wrap:anywhere}.smtp-form{margin:15px 0}.smtp-form label{display:grid;gap:7px;font-size:12px;font-weight:700;color:#4f5b74}.smtp-form input,.smtp-form select{width:100%;min-width:0}.smtp-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:10px}.smtp-add{margin-top:12px}
@media(min-width:1100px){.smtp-form .config-fields{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.smtp-account summary code{width:100%}.smtp-heading{flex-wrap:wrap}.scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.smtp-check-result{font-size:12px;line-height:1.5;padding:11px 13px;border-radius:8px;margin:11px 0 0;overflow-wrap:anywhere}.smtp-check-ok{background:#f1faf3;color:#286540;border:1px solid #cbe9d3}.smtp-check-failed{background:#fff4f1;color:#a13b30;border:1px solid #f2d2ce}