:root{--bg: #f5f6f8;--surface: #ffffff;--border: #dde1e6;--text: #1d232b;--muted: #69727d;--primary: #0b5cad;--primary-hover: #094b8e;--danger: #b3261e;--ok-bg: #e4f4ea;--ok: #1e7b43;--warn-bg: #fff4d6;--warn: #8a6100;--error-bg: #fde8e7;font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}h1{font-size:22px;margin:0 0 6px}h3{margin:0 0 10px;font-size:15px}a{color:var(--primary)}code{background:#eef0f3;padding:1px 5px;border-radius:4px;font-size:12px}input,select,textarea{font:inherit;border:1px solid var(--border);border-radius:6px;padding:7px 10px;background:var(--surface);color:var(--text)}button,.button{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:7px 14px;cursor:pointer;text-decoration:none;display:inline-block}button:hover,.button:hover{border-color:#b8bec6}button:disabled{opacity:.5;cursor:default}button.primary,.button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover,.button.primary:hover{background:var(--primary-hover)}button.danger{color:var(--danger)}button.link{border:none;background:none;padding:4px 0;color:var(--primary)}button.link.danger{color:var(--danger)}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#16202c;color:#cfd6de;padding:18px 12px;display:flex;flex-direction:column;gap:18px;flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}.brand img{width:28px;height:28px}.sidebar .brand{color:#fff;padding:0 8px}.sidebar nav{display:flex;flex-direction:column;gap:2px}.sidebar nav a{color:#cfd6de;text-decoration:none;padding:8px 10px;border-radius:6px}.sidebar nav a.active,.sidebar nav a:hover{background:#243244;color:#fff}.sidebar .logout{margin-top:auto;color:#9aa6b2;text-align:left;padding:8px 10px}.content{flex:1;padding:28px 32px;min-width:0}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:12px}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.muted{color:var(--muted)}.error,.success,.warning{padding:8px 12px;border-radius:6px;margin:8px 0}.error{background:var(--error-bg);color:var(--danger)}.success{background:var(--ok-bg);color:var(--ok)}.warning{background:var(--warn-bg);color:var(--warn)}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:18px 20px;margin-bottom:16px}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;margin-bottom:20px}.table th,.table td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--border)}.table th{background:#fafbfc;font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}.table tr:last-child td{border-bottom:none}.right{text-align:right!important}.badge{display:inline-block;font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;margin-left:6px}.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.warn{background:var(--warn-bg);color:var(--warn)}.badge.error{background:var(--error-bg);color:var(--danger)}.inline-form{display:flex;gap:8px;margin:12px 0 16px;flex-wrap:wrap}.inline-form input:not(.narrow){min-width:280px}.narrow{width:90px}.search{width:320px;margin-bottom:12px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}.tabs a{padding:9px 14px;text-decoration:none;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.tabs a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.login{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:340px;display:flex;flex-direction:column;gap:14px}.login-card label{display:flex;flex-direction:column;gap:4px;font-weight:600}.templates{display:flex;gap:20px;align-items:flex-start}.template-list{width:210px;display:flex;flex-direction:column;gap:4px;flex-shrink:0}.template-list button:not(.link){text-align:left}.template-list button.active{border-color:var(--primary);background:#eaf2fb}.editor{flex:1;min-width:0}.editor-toolbar{display:flex;gap:8px;margin-bottom:12px}.editor-toolbar input{flex:1;font-weight:600}.segmented{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden;margin-bottom:8px}.segmented button{border:none;border-radius:0}.segmented button.active{background:var(--primary);color:#fff}.variables{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.chip{padding:3px 10px;border-radius:999px;font-size:12px;background:#eef0f3;border-color:transparent}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.editor-grid textarea{min-height:420px;font-family:Consolas,Cascadia Mono,monospace;font-size:12px;resize:vertical}.preview{display:flex;flex-direction:column;gap:8px}.preview iframe{flex:1;min-height:380px;border:1px solid var(--border);border-radius:6px;background:#fff}.picker{list-style:none;padding:0;margin:0 0 12px;max-height:240px;overflow:auto;border:1px solid var(--border);border-radius:6px}.picker li label{display:flex;gap:8px;padding:7px 10px;cursor:pointer}.picker li+li{border-top:1px solid var(--border)}.upload{margin-bottom:16px}.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.asset img{max-width:100%;max-height:110px;display:block;margin:0 auto 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var(--border);border-radius:4px;padding:4px;background:#fff}.branding{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start}.branding-preview{position:sticky;top:20px}.branding-preview iframe{width:100%;height:420px;border:1px solid var(--border);border-radius:8px;background:#fff}.chip.tenant{background:#e7effa;color:var(--primary)}.variables .muted{font-size:12px;align-self:center;margin-right:2px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f17208c;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto;z-index:10}.modal{background:var(--bg);border-radius:10px;padding:22px 24px;width:min(1180px,100%)}.modal-header{display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0;font-size:20px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;margin-top:14px}.gallery-item{display:flex;flex-direction:column;margin:0}.gallery-item iframe{width:100%;height:230px;border:1px solid var(--border);border-radius:6px;background:#fff;margin-bottom:12px;pointer-events:none}.gallery-item h3{margin-bottom:4px}.gallery-item p{flex:1;margin-top:0}.gallery-item button{align-self:flex-start}@media(max-width:900px){.branding,.field-row{display:block}.branding-preview{position:static}}