:root {
  --ink:#17191f; --muted:#687080; --paper:#f4f6f8; --panel:#fff; --line:#dbe0e7;
  --red:#d7192d; --blue:#1769b0; --green:#087b55; --amber:#a76700; --shadow:0 18px 50px rgba(27,36,52,.09);
}
*{box-sizing:border-box} body{margin:0;background:linear-gradient(135deg,#f7f8fa,#eef2f6);color:var(--ink);font:15px/1.45 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,textarea,select{font:inherit}.shell{width:min(1180px,calc(100% - 28px));margin:24px auto 70px}
.hero{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:34px 38px;border-radius:22px;background:radial-gradient(circle at 85% 0,#294b70 0,transparent 37%),linear-gradient(125deg,#3a141b,#102a44);color:#fff;box-shadow:var(--shadow)}
.hero h1{font-size:clamp(36px,6vw,66px);letter-spacing:-.055em;line-height:.92;margin:4px 0 12px}.hero p{max-width:620px;margin:0;color:#dbe3ec}.eyebrow{margin:0;color:var(--red)!important;font-size:12px;font-weight:900;letter-spacing:.16em}.hero .eyebrow{color:#ff6c77!important}
.hero-status{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 8px 26px rgba(30,40,55,.05)}
.login-panel{margin-top:18px;display:flex;justify-content:space-between;gap:20px;align-items:end}.login-panel form{display:flex;gap:8px;min-width:min(100%,440px)}
input,textarea,select{width:100%;border:1px solid #cfd6df;border-radius:9px;padding:10px 11px;background:#fff;color:var(--ink)}textarea{resize:vertical}label{display:grid;gap:6px;font-weight:750}label small,.muted{font-weight:500;color:var(--muted)}
button{border:0;border-radius:9px;padding:10px 15px;font-weight:850;cursor:pointer}.primary{color:#fff;background:var(--red)}.secondary{color:#1d4f7c;background:#e9f3fc}.ghost{background:#f2f4f7;color:#343a44}.danger-button{background:#fff0f1;color:#a30d1b}.button-row{display:flex;gap:8px;flex-wrap:wrap}
.tabs{display:flex;gap:8px;overflow:auto;margin:18px 0;padding:7px;border:1px solid var(--line);border-radius:13px;background:#fff}.tab{white-space:nowrap;background:transparent;color:#596170}.tab.active{background:#17191f;color:#fff}
.tab-panel{display:grid;gap:14px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:10px 4px}.section-heading h2{font-size:30px;letter-spacing:-.035em;margin:2px 0}
.badge{display:inline-flex;align-items:center;width:max-content;border-radius:99px;padding:6px 10px;font-size:12px;font-weight:850}.badge.neutral{background:#edf1f5;color:#4d5664}.badge.success{background:#e3f5ed;color:#086a48}.badge.danger{background:#ffe7ea;color:#a30d1b}.badge.warning{background:#fff1d5;color:#855200}.badge.info{background:#e7f3ff;color:#1769b0}
.stack{display:grid;gap:12px}.stack.compact{margin-top:12px}.campaign{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px}.campaign h3,.inbox-card h3{margin:0 0 4px;font-size:21px}.meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}.caption-tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:14px 0 8px}.caption-tab{padding:7px;background:#f0f3f7;color:#4b5563}.caption-tab.active{background:#192331;color:#fff}.caption-editor{min-height:150px}
.campaign-actions{display:flex;flex-direction:column;gap:8px;align-items:stretch;min-width:180px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.span-2{grid-column:1/-1}.form-actions{display:flex;align-items:end;gap:8px;justify-content:flex-end}
fieldset{border:1px solid var(--line);border-radius:12px;padding:14px}legend{font-weight:850}.checks,.mode-grid{display:flex;gap:12px;flex-wrap:wrap}.checks label{display:flex;align-items:center;gap:6px}.checks input{width:auto}
.two-column{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr);gap:14px}.form-stack{display:grid;gap:13px}.upload-card{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.upload-card h3{width:100%;margin:0}
.knowledge-item{display:flex;justify-content:space-between;align-items:center;gap:12px}.knowledge-item h3{margin:0}.inbox-card{display:grid;gap:12px}.message{font-size:17px;padding:14px;background:#f4f6f8;border-radius:10px}.evidence{display:grid;gap:6px}.evidence li{color:#596170}
.connection-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.connection{background:#fff;border:1px solid var(--line);border-radius:13px;padding:15px}.connection h3{text-transform:capitalize;margin:0 0 8px}.connection p{margin:6px 0;color:var(--muted);font-size:13px}
.check-card{display:flex;grid-template-columns:auto 1fr;align-items:flex-start;gap:10px;padding:13px;border:1px solid var(--line);border-radius:12px}.check-card input{width:auto;margin-top:4px}.check-card span{display:grid}.danger-card{border-color:#efc1c6;background:#fff8f8}.mode-grid label{min-width:180px;text-transform:capitalize}.token-help{margin-top:14px}
#toast{position:fixed;right:20px;bottom:20px;max-width:380px;padding:13px 16px;border-radius:10px;background:#17191f;color:#fff;box-shadow:var(--shadow);opacity:0;transform:translateY(12px);pointer-events:none;transition:.2s}#toast.show{opacity:1;transform:none}
.review-grid{display:grid;grid-template-columns:minmax(240px,.75fr) minmax(0,1.25fr);gap:18px}.review-grid video{width:100%;max-height:70vh;border-radius:14px;background:#050608}.review-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.approval-confirmation{display:flex;gap:10px;align-items:center;margin-top:14px;padding:13px 15px;border:1px solid #9ed8c3;border-radius:11px;background:#e6f7f0;color:#075c3f}.approval-confirmation span{color:#276b55}.review-actions button:disabled{cursor:default;opacity:.72}
@media(max-width:820px){.hero,.login-panel{align-items:flex-start;flex-direction:column}.hero{padding:26px}.hero-status{justify-content:flex-start}.login-panel form{width:100%}.campaign,.two-column,.review-grid{grid-template-columns:1fr}.campaign-actions{flex-direction:row;flex-wrap:wrap}.connection-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.caption-tabs{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.shell{width:min(100% - 16px,1180px);margin-top:8px}.hero{border-radius:15px}.connection-grid{grid-template-columns:1fr}.login-panel form{flex-direction:column}.section-heading{align-items:flex-start}.campaign-actions button{flex:1}.tabs{position:sticky;top:6px;z-index:5;box-shadow:0 6px 20px rgba(0,0,0,.08)}}