:root{--bg:#f3f6fb;--panel:#fff;--ink:#172033;--muted:#687386;--line:#e3e8f1;--primary:#5b5be7;--primary2:#7c3aed;--danger:#dc3545;--success:#16a46f;--warning:#e69a17;--sidebar:#161b2d;--shadow:0 14px 36px rgba(27,39,78,.08);--radius:16px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#151a2b,#1c2340);color:#d9deec;padding:22px 16px;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 22px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff;font-weight:800;box-shadow:0 8px 20px #6d5df744}.brand strong{display:block;color:#fff;font-size:18px}.brand small{color:#98a2bd}.nav-group{margin:16px 0 6px;padding:0 12px;color:#7f89a4;font-size:11px;text-transform:uppercase;letter-spacing:.1em}.nav-item{display:flex;align-items:center;gap:11px;padding:11px 12px;margin:3px 0;border-radius:10px;color:#c2c9dc}.nav-item:hover,.nav-item.active{background:#ffffff12;color:#fff}.nav-item span:first-child{width:22px;text-align:center}.main{min-width:0}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:20}.topbar h1{font-size:20px;margin:0}.top-actions{display:flex;align-items:center;gap:10px}.user-chip{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:12px;background:#f6f7fb}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#e9e8ff;color:var(--primary);font-weight:700}.content-wrap{padding:24px;max-width:1600px;margin:auto}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card-header{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.card-header h2,.card-header h3{margin:0;font-size:16px}.card-body{padding:20px}.stat{padding:18px}.stat .value{font-size:30px;font-weight:800;margin:6px 0}.stat .label{color:var(--muted);font-size:13px}.stat-icon{float:right;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#f1efff;color:var(--primary)}.btn{border:0;border-radius:10px;padding:10px 15px;display:inline-flex;align-items:center;gap:7px;justify-content:center;cursor:pointer;font-weight:650}.btn-sm{padding:7px 10px;font-size:13px}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}.btn-secondary{background:#eef1f7;color:#33405a}.btn-danger{background:#feecef;color:#b62537}.btn-success{background:#e7f8f0;color:#08784e}.btn-outline{background:#fff;border:1px solid var(--line)}.page-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:16px}.page-head h1{margin:0;font-size:25px}.page-head p{margin:5px 0 0;color:var(--muted)}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:#6f7890;background:#fafbfe}.table tr:last-child td{border-bottom:0}.badge{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#eef1f7;color:#56617a}.badge.active,.badge.published,.badge.open{background:#e6f8f0;color:#0b7b51}.badge.inactive,.badge.failed,.badge.error{background:#feecef;color:#b62537}.badge.scheduled,.badge.pending{background:#fff3db;color:#9a6505}.badge.facebook{background:#e9f1ff;color:#1877f2}.badge.instagram{background:#ffeafa;color:#b61a75}.badge.threads{background:#eee;color:#111}.alert{padding:13px 15px;border-radius:11px;margin-bottom:16px}.alert-success{background:#e8f8f0;color:#08784e;border:1px solid #bcebd5}.alert-danger{background:#feedef;color:#aa2434;border:1px solid #f8c7cd}.alert-warning{background:#fff5de;color:#8a5a00;border:1px solid #f6daa0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid label,.form-control-group{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:650}.span-2{grid-column:span 2}.section-title{grid-column:1/-1;font-size:14px;font-weight:800;margin-top:8px;padding-bottom:8px;border-bottom:1px solid var(--line)}input,textarea,select{width:100%;border:1px solid #d9dfeb;border-radius:10px;padding:11px 12px;background:#fff;color:var(--ink);outline:none}input:focus,textarea:focus,select:focus{border-color:#7774ee;box-shadow:0 0 0 3px #7774ee18}textarea{min-height:120px;resize:vertical}.muted{color:var(--muted)}.small{font-size:12px}.actions{display:flex;flex-wrap:wrap;gap:7px}.inline{display:flex;align-items:center;gap:10px}.platform-card{padding:18px;display:flex;gap:14px;align-items:center}.platform-logo{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:21px;font-weight:800}.platform-logo.facebook{background:#e9f1ff;color:#1877f2}.platform-logo.instagram{background:linear-gradient(135deg,#ffe1f2,#f0e7ff);color:#c32578}.platform-logo.threads{background:#111;color:#fff}.platform-card .grow{flex:1}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}.media-item{overflow:hidden}.media-preview{aspect-ratio:1/1;background:#edf0f5;display:grid;place-items:center;overflow:hidden}.media-preview img,.media-preview video{width:100%;height:100%;object-fit:cover}.media-info{padding:10px}.media-info strong{font-size:13px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tabs{display:flex;gap:5px;padding:5px;background:#edf0f5;border-radius:12px;width:max-content}.tab{padding:8px 13px;border-radius:9px;color:#667085}.tab.active{background:#fff;color:#222;box-shadow:0 2px 7px #0001}.login-body,.install-body{min-height:100vh;background:radial-gradient(circle at 20% 20%,#9b87f533,transparent 35%),radial-gradient(circle at 80% 70%,#5a7cff22,transparent 35%),linear-gradient(135deg,#eef1ff,#f7f9fc);display:grid;place-items:center;padding:25px}.login-card,.install-card{width:min(480px,100%);background:#fff;border:1px solid #ffffff99;border-radius:22px;padding:30px;box-shadow:0 22px 70px #36416d22}.install-card{width:min(820px,100%)}.login-card h1,.install-card h1{text-align:center;margin:12px 0 4px}.login-card>.brand-mark,.install-card>.brand-mark{margin:auto}.login-card>.muted,.install-card>.muted{text-align:center}.login-form{display:grid;gap:15px;margin-top:25px}.install-shell{width:100%}.empty{text-align:center;padding:50px 20px;color:var(--muted)}.composer-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:18px}.check-list{display:grid;gap:10px}.check-card{border:1px solid var(--line);padding:12px;border-radius:11px;display:flex;gap:10px;align-items:center}.check-card input{width:auto}.message-layout{display:grid;grid-template-columns:340px 1fr;min-height:620px}.conversation-list{border-right:1px solid var(--line);overflow:auto}.conversation-item{padding:14px;border-bottom:1px solid var(--line);display:flex;gap:10px}.conversation-item:hover,.conversation-item.active{background:#f5f6ff}.chat-pane{display:flex;flex-direction:column}.chat-messages{flex:1;padding:20px;overflow:auto;display:flex;flex-direction:column;gap:10px}.bubble{max-width:75%;padding:10px 13px;border-radius:14px;background:#eef1f6}.bubble.outbound{align-self:flex-end;background:#5d5ee8;color:#fff}.chat-compose{border-top:1px solid var(--line);padding:14px;display:flex;gap:10px}.chat-compose textarea{min-height:48px;height:48px}.mobile-toggle{display:none}.code-box{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#141827;color:#dfe6ff;padding:14px;border-radius:11px;overflow:auto;font-size:12px}.help{font-size:12px;color:var(--muted);margin-top:4px}.pagination{display:flex;gap:6px;justify-content:flex-end;padding:15px}.pagination a{padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}.pagination a.active{background:var(--primary);color:#fff}.dropdown{position:relative}.dropdown-menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:11px;padding:7px;min-width:180px;box-shadow:var(--shadow);display:none}.dropdown.open .dropdown-menu{display:block}.dropdown-menu a,.dropdown-menu button{display:block;width:100%;text-align:left;padding:9px 10px;background:none;border:0;border-radius:7px}.dropdown-menu a:hover,.dropdown-menu button:hover{background:#f2f4f8}@media(max-width:1050px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.composer-layout{grid-template-columns:1fr}.message-layout{grid-template-columns:300px 1fr}}@media(max-width:760px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-270px;z-index:100;width:250px;transition:.2s}.sidebar.open{left:0}.mobile-toggle{display:inline-flex}.topbar{padding:0 14px}.content-wrap{padding:16px}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.span-2{grid-column:span 1}.message-layout{grid-template-columns:1fr}.conversation-list{border-right:0}.chat-pane{min-height:500px}.page-head{flex-direction:column}.topbar .user-chip .user-details{display:none}}
.setting-toggle-row{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);background:#f8f9fd;border-radius:13px;padding:15px 16px}.setting-toggle-row code{background:#eceef5;padding:2px 6px;border-radius:5px}.switch-control{position:relative;display:inline-block!important;flex:0 0 50px;width:50px!important;height:28px;font-size:0!important}.switch-control input{position:absolute;opacity:0;width:1px!important;height:1px;padding:0;margin:0}.switch-slider{position:absolute;inset:0;cursor:pointer;border-radius:999px;background:#cbd2df;transition:.2s;box-shadow:inset 0 0 0 1px #aeb7c7}.switch-slider:before{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 2px 7px #0003;transition:.2s}.switch-control input:checked+.switch-slider{background:linear-gradient(135deg,var(--primary),var(--primary2));box-shadow:none}.switch-control input:checked+.switch-slider:before{transform:translateX(22px)}.switch-control input:focus-visible+.switch-slider{outline:3px solid #7774ee33}.nested-grid{padding:15px;border:1px dashed #cfd5e2;border-radius:13px;background:#fbfcff}.nested-grid[hidden]{display:none!important}.storage-summary{display:flex;align-items:center;min-height:43px;padding:10px 12px;border:1px solid #d9dfeb;border-radius:10px;background:#f6f8fb;color:#47536b;font-weight:600}@media(max-width:760px){.setting-toggle-row{align-items:flex-start}.nested-grid{grid-template-columns:1fr}}

/* Installer diagnostics */
.preflight{margin:18px 0;border:1px solid var(--line,#dbe3ef);border-radius:12px;background:#f8fafc;overflow:hidden}
.preflight summary{cursor:pointer;padding:13px 15px;font-weight:700}
.preflight-list{border-top:1px solid var(--line,#dbe3ef)}
.preflight-item{display:flex;justify-content:space-between;gap:16px;padding:10px 15px;border-bottom:1px solid var(--line,#e5e7eb);font-size:13px}
.preflight-item:last-child{border-bottom:0}.preflight-item span{color:#64748b;text-align:right;overflow-wrap:anywhere}
.preflight-item.ok strong{color:#166534}.preflight-item.fail strong{color:#b91c1c}.preflight-item.warn strong{color:#a16207}
button:disabled{opacity:.55;cursor:not-allowed}
@media(max-width:640px){.preflight-item{display:block}.preflight-item span{display:block;text-align:left;margin-top:4px}}