:root{color-scheme:light;--bg:#f6f7f9;--panel:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#111827;--danger:#dc2626;--ok:#059669;--warn:#d97706}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}button,input,select,textarea{font:inherit}button{border:0;border-radius:10px;background:var(--accent);color:white;padding:10px 14px;cursor:pointer}button.secondary{background:#eef0f3;color:var(--text)}button.danger{background:var(--danger)}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px;background:white}textarea{min-height:96px;resize:vertical}.login{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 18px 60px #11182712}.logo{font-weight:800;font-size:28px;letter-spacing:-.04em}.muted{color:var(--muted)}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#101827;color:white;padding:24px;display:flex;flex-direction:column;gap:18px}.brand{font-size:22px;font-weight:800;letter-spacing:-.04em}.nav{display:grid;gap:6px}.nav button{background:transparent;text-align:left;padding:10px;color:#d1d5db}.nav button.active,.nav button:hover{background:#ffffff14;color:white}.content{padding:28px;max-width:1280px;width:100%}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.grid{display:grid;gap:16px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px}.card b{display:block;font-size:28px;margin-top:8px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 12px}.table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}.table th,.table td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:#fafafa}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;font-size:12px;background:#eef0f3}.badge.critical{background:#fee2e2;color:#991b1b}.badge.sent,.badge.success,.badge.active{background:#dcfce7;color:#166534}.badge.failed,.badge.not_configured{background:#fee2e2;color:#991b1b}.badge.sending,.badge.ready{background:#fef3c7;color:#92400e}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid .wide{grid-column:1/-1}.actions{display:flex;gap:8px;flex-wrap:wrap}.error{color:var(--danger);margin-top:8px}.hidden{display:none!important}@media(max-width:860px){.shell{grid-template-columns:1fr}.sidebar{position:static}.cards,.form-grid{grid-template-columns:1fr}.content{padding:18px}}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.tag{display:inline-flex;align-items:center;gap:6px;background:#eef0f3;border-radius:999px;padding:6px 8px}.tag button{padding:0 4px;background:transparent;color:var(--text)}.suggestions{display:grid;gap:6px;margin-top:8px}.suggestion{background:#f9fafb;color:var(--text);border:1px solid var(--line);text-align:left}