:root{font-family:Inter,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;color:#263633;background:#f6f8f7;font-synthesis:none;--ink:#263633;--muted:#71807a;--line:#dfe6e2;--accent:#216b58;--accent-light:#e8f1ec;--danger:#a43b36;--radius:8px}*{box-sizing:border-box}body{margin:0;font-size:14px;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button,a,input,textarea,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #72ab97;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1{font-size:30px;line-height:1.35;font-weight:650;letter-spacing:-.6px}h2{font-size:16px;font-weight:650;line-height:1.5}h3{font-size:14px;font-weight:650}code,pre,.code-input{font-family:"Cascadia Code",Consolas,"SFMono-Regular",monospace}code{font-size:.9em}fieldset{border:0;padding:0;margin:0;min-width:0}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;left:16px;top:-80px;background:white;padding:10px 20px;z-index:50}.skip-link:focus{top:12px}.app-shell{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:100dvh}.sidebar{position:sticky;top:0;height:100dvh;display:flex;flex-direction:column;background:#fff;border-right:1px solid var(--line);padding:32px 20px 20px}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);font-size:18px;font-weight:650;padding:0 4px;margin-bottom:42px}.brand:hover{text-decoration:none}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:400;letter-spacing:1.4px;margin-top:2px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;background:var(--accent-light);color:var(--accent);border-radius:9px}.brand-mark svg{width:23px;height:23px}.sidebar nav{display:grid;gap:6px}.nav-link{display:flex;justify-content:space-between;align-items:center;padding:11px 14px;border-radius:6px;color:#63726b}.nav-link:hover{background:#f5f7f5;text-decoration:none}.nav-link.is-active{color:var(--accent);background:var(--accent-light);font-weight:600}.sidebar-footer{margin-top:auto;border-top:1px solid var(--line);padding:19px 4px 0;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px}.main-content{width:100%;max-width:1650px;padding:42px 44px 60px;margin:0 auto}.page-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}.eyebrow{font-size:11px;color:var(--muted);letter-spacing:1.8px;margin-bottom:8px}.page-header p{color:var(--muted);margin-top:10px}.back-link{display:inline-block;font-size:12px;margin-bottom:12px}.button-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid #cdd8d1;border-radius:6px;background:#fff;min-height:40px;padding:8px 16px;color:#42554b;white-space:nowrap;font-weight:500;line-height:1.5;text-decoration:none}.button:hover{background:#f2f6f3;text-decoration:none}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.primary:hover{background:#185441}.button.small{min-height:32px;padding:5px 12px;font-size:12px}.button.danger-button{color:#fff;background:var(--danger);border-color:var(--danger)}.text-button{color:var(--accent);background:transparent;padding:3px 0;border:0;font-size:inherit}.text-button:hover{text-decoration:underline}.text-button.danger-text{color:var(--danger)}.icon-button{display:grid;place-items:center;background:transparent;border:0;border-radius:5px;color:var(--muted);font-size:26px;line-height:1;width:34px;height:34px}.icon-button:hover{background:#f1f4f2}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:22px;min-width:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.section-heading a,.section-heading>.muted{font-size:12px}.section-description{color:var(--muted);margin-bottom:18px}.muted{color:var(--muted);font-weight:400}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:28px;padding:24px 0}.metrics>div{padding:0 24px;border-right:1px solid var(--line)}.metrics>div:first-child{padding-left:0}.metrics>div:last-child{border:0}.metrics span,.metrics small{display:block;color:var(--muted);font-size:12px}.metrics strong{display:block;font-size:34px;font-weight:550;letter-spacing:-1px;line-height:1.3;margin:9px 0 8px;font-variant-numeric:tabular-nums}.metrics small{font-size:11px}.overview-columns{display:grid;grid-template-columns:1fr 1.35fr;gap:22px}.summary-list{margin:0}.summary-list>div{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid #edf0ee}.summary-list dt{color:var(--muted)}.summary-list dd{margin:0;font-size:18px;font-variant-numeric:tabular-nums}.panel-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:23px;font-size:12px}.workflow{list-style:none;counter-reset:workflow;margin:0;padding:0;display:grid;gap:17px}.workflow li{counter-increment:workflow;position:relative;padding-left:35px}.workflow li::before{content:counter(workflow);position:absolute;left:0;top:0;font-size:12px;color:var(--accent);border-bottom:1px solid #aac6b8;width:20px;padding-bottom:2px}.workflow strong{font-size:13px;font-weight:600}.workflow p{font-size:12px;color:var(--muted);margin-top:3px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:13px}th{color:var(--muted);font-size:11px;font-weight:500;background:#f7f9f7;padding:12px 14px;white-space:nowrap;border-bottom:1px solid var(--line)}td{padding:17px 14px;vertical-align:middle;border-bottom:1px solid #eaf0eb;max-width:340px}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcfb}td .cell-main{display:block;font-weight:500;overflow-wrap:anywhere}td .cell-secondary{display:block;color:var(--muted);font-size:11px;margin-top:4px;overflow-wrap:anywhere}td .cell-mono{font-family:Consolas,monospace;font-size:11px}.cell-date{white-space:nowrap;color:var(--muted);font-size:12px}.cell-email{overflow-wrap:anywhere;min-width:150px}.empty-cell{text-align:center;color:var(--muted);padding:60px 20px!important}.align-right{text-align:right}.row-actions{display:flex;justify-content:flex-end;gap:15px;white-space:nowrap;font-size:12px}.table-note,.page-note{color:var(--muted);font-size:12px;line-height:1.8}.table-note{margin-top:16px}.page-note{margin:0 3px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.toolbar>.muted{font-size:12px}.search-field{width:300px;max-width:75%}.status{display:inline-flex;align-items:center;border-radius:4px;font-size:11px;font-weight:500;white-space:nowrap;background:#edf1ee;color:#627369;padding:3px 8px}.status-smtp_accepted,.status-enabled{background:#e8f3ed;color:#27704e}.status-queued,.status-sending{background:#ecf0f8;color:#526992}.status-failed{background:#faecea;color:#a43b36}.status-unknown{background:#fff4dc;color:#8e6c22}.status-disabled{background:#f0f1f0;color:#7d867f}.notice{background:#edf3f0;color:#52695b;border-left:3px solid #adc8b7;border-radius:0 5px 5px 0;padding:13px 16px;font-size:12px;line-height:1.8;margin-bottom:20px;overflow-wrap:anywhere}.notice.danger{background:#fbefed;border-color:#d99a92;color:#993d37}.notice.warning{background:#fff7e5;border-color:#dec685;color:#886722}.notice:last-child{margin-bottom:0}label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:550}input,textarea,select{width:100%;min-height:40px;background:#fff;color:var(--ink);border:1px solid #cdd8d1;border-radius:5px;padding:9px 11px;font-weight:400;line-height:1.6}input::placeholder,textarea::placeholder{color:#99a69e}textarea{resize:vertical;min-height:90px}input:disabled,textarea:disabled,select:disabled{background:#f6f8f6;color:#8b978f}.code-input{font-size:12px;line-height:1.8;tab-size:2;background:#fcfdfc}.html-input{min-height:320px}.form-stack{display:flex;flex-direction:column;gap:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.required{color:var(--danger)}.field-help{display:block;color:var(--muted);font-weight:400;font-size:11px;line-height:1.8}.field-label{display:block;font-size:12px;font-weight:550;margin-bottom:8px}.checkbox-label{display:flex;flex-direction:row;align-items:center;gap:9px}.checkbox-label input{width:17px;min-height:17px;height:17px;accent-color:var(--accent)}.editor-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px}.editor-form{gap:0}.editor-form .panel{margin-bottom:20px}.editor-form h2{margin-bottom:2px}.editor-form .section-heading{margin-bottom:0}.preview-column{min-width:0}.preview-panel{position:sticky;top:24px;padding:20px}.preview-subject{display:grid;grid-template-columns:34px 1fr;gap:8px;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:18px}.preview-subject>span{color:var(--muted)}.preview-subject strong{font-weight:500;overflow-wrap:anywhere}.tab-row{display:flex;gap:22px;border-bottom:1px solid var(--line);margin-bottom:0}.tab{border:0;background:transparent;padding:13px 0 10px;color:var(--muted);font-size:12px;border-bottom:2px solid transparent}.tab.is-active{border-bottom-color:var(--accent);color:var(--accent);font-weight:600}#email-preview{border:0;width:100%;height:510px;display:block;background:#fff}.plain-preview{margin:0;padding:18px;font-size:12px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere;color:#4b5e51;background:#f8faf8;max-height:510px;overflow:auto}.variable-hints{display:flex;gap:6px;flex-wrap:wrap;font-size:11px}.variable-tag{display:inline-block;padding:2px 7px;border:1px solid #dae5de;color:#557462;border-radius:4px;font-family:Consolas,monospace}.filter-bar{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:24px}.filter-bar label{min-width:150px}.filter-bar .filter-search{flex:1;min-width:190px}.filter-bar .text-button{margin-bottom:10px;font-size:12px}.pagination{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:20px;border-top:1px solid var(--line);font-size:12px}.pagination .button-row{gap:14px}.modal{border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);padding:26px;width:min(650px,calc(100% - 32px));max-height:calc(100dvh - 48px);overflow:auto}.modal::backdrop{background:rgba(30,45,36,.38)}.modal.compact{width:min(440px,calc(100% - 32px))}.modal.wide{width:min(880px,calc(100% - 32px))}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.form-stack>.dialog-header{margin-bottom:0}.dialog-header h2{font-size:19px}.dialog-description{color:var(--muted);font-size:13px;line-height:1.8;white-space:pre-line}.dialog-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding-top:22px;margin-top:20px;border-top:1px solid var(--line)}.form-stack>.dialog-actions{margin-top:0}.form-stack>.notice{margin-bottom:0}.detail-grid,.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:19px 28px;margin:0 0 24px}.detail-grid>div,.settings-grid>div{min-width:0}.detail-grid dt,.settings-grid dt{color:var(--muted);font-size:11px;margin-bottom:4px}.detail-grid dd,.settings-grid dd{margin:0;font-size:13px;overflow-wrap:anywhere}.detail-subheading{margin:24px 0 12px}.message-frame{width:100%;height:360px;background:#fff;border:1px solid var(--line);border-radius:5px;display:block}.plain-details{margin-top:15px}.plain-details summary{cursor:pointer;color:var(--accent);font-size:12px;padding:7px 0}.plain-details .plain-preview{margin-top:8px}.settings-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:23px;margin-bottom:0}.settings-grid dd{font-size:14px}.endpoint{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-bottom:14px;overflow-wrap:anywhere}.method{font-size:11px;color:var(--accent);background:var(--accent-light);padding:3px 8px;border-radius:4px;font-weight:600}.code-block{margin:0 0 22px;padding:20px 22px;border-radius:6px;background:#f3f6f3;color:#42584a;font-size:12px;line-height:1.9;overflow:auto;tab-size:2}.integration-fields{margin:0 0 22px}.integration-fields>div{display:grid;grid-template-columns:150px 1fr;gap:15px;padding:9px 0;border-bottom:1px solid #edf1ee}.integration-fields dt{font-family:Consolas,monospace;font-size:12px}.integration-fields dd{margin:0;color:var(--muted);font-size:12px}.integration-steps{padding-left:20px;color:#65766a;font-size:13px;line-height:2.2;margin-bottom:0}.toast-region{position:fixed;bottom:24px;right:24px;display:grid;gap:10px;z-index:100;max-width:420px;width:calc(100% - 48px);pointer-events:none}.toast{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;border:1px solid #b9d2c3;border-left:4px solid var(--accent);background:#fff;padding:14px 17px;border-radius:6px;color:#315740;font-size:13px;pointer-events:auto}.toast.error{border-color:#e5b8b3;border-left-color:var(--danger);color:var(--danger)}.toast button{border:0;background:transparent;color:inherit;font-size:18px;padding:0 2px;line-height:1.2}.login-page{min-height:100dvh;display:grid;place-items:center;padding:24px}.login-panel{width:100%;max-width:410px;background:#fff;padding:38px;border:1px solid var(--line);border-radius:10px}.login-panel h1{font-size:25px}.login-panel>.muted{margin:12px 0 30px;font-size:13px}.login-panel .button{margin-top:4px}.login-note{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:26px}
@media(min-width:1700px){.main-content{padding-top:50px}}@media(max-width:1180px){.main-content{padding:32px 26px}.app-shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:28px 15px 18px}.page-header{align-items:flex-start}.editor-layout{grid-template-columns:1fr}.preview-panel{position:static}.overview-columns{grid-template-columns:1fr 1fr}.metrics>div{padding:0 16px}.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:800px){.app-shell{display:block}.sidebar{position:static;height:auto;padding:18px 20px 0;border-right:0;border-bottom:1px solid var(--line);display:block}.brand{margin-bottom:18px;font-size:16px}.brand small{font-size:10px}.brand-mark{width:32px;height:32px}.sidebar nav{display:flex;gap:4px;overflow:auto;margin:0 -5px}.nav-link{white-space:nowrap;font-size:12px;padding:11px 12px;border-radius:5px 5px 0 0}.nav-link>span:last-child{display:none}.sidebar-footer{position:absolute;right:20px;top:27px;border:0;margin:0;padding:0}.sidebar-footer>span{display:none}.main-content{padding:26px 20px 40px}.page-header{gap:18px;flex-wrap:wrap;margin-bottom:24px}h1{font-size:26px}.page-header p{font-size:12px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 0;padding:20px 0}.metrics>div{padding-left:20px}.metrics>div:nth-child(odd){padding-left:0}.metrics>div:nth-child(even){border:0}.metrics strong{font-size:30px}.overview-columns{grid-template-columns:1fr;gap:0}.panel{padding:19px}.table-wrap{margin:0 -19px}table{min-width:570px}td{padding:15px 18px}th{padding:11px 18px}.form-grid{grid-template-columns:1fr}.filter-bar{gap:12px}.filter-bar label{min-width:calc(50% - 8px);flex:1}.filter-bar .filter-search{min-width:100%}.pagination{align-items:flex-start;flex-wrap:wrap}.modal{padding:21px}.settings-grid{gap:20px}.integration-fields>div{grid-template-columns:120px 1fr;gap:10px}.login-panel{padding:30px}.toast-region{bottom:16px;right:16px;width:calc(100% - 32px)}.code-block{padding:15px;font-size:11px}}@media(prefers-reduced-motion:no-preference){.button,.nav-link,.text-button{transition:background-color .12s,color .12s}}