:root{--color-primary:#0f4c81;--color-primary-dark:#0b3a66;--color-primary-light:#1e6fb8;--color-accent:#22c55e;--color-accent-dark:#16a34a;--color-danger:#dc2626;--color-danger-light:#fee2e2;--color-warning:#f59e0b;--color-warning-light:#fef3c7;--color-success:#16a34a;--color-bg:#f1f5f9;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#64748b;--color-text-light:#94a3b8;--shadow-sm:0 1px 2px rgba(15,23,42,.05);--shadow-md:0 4px 6px rgba(15,23,42,.07),0 2px 4px rgba(15,23,42,.04);--shadow-lg:0 10px 20px rgba(15,23,42,.08),0 4px 8px rgba(15,23,42,.04);--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:inherit}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:500;font-size:13px;transition:all .15s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-whatsapp{background:#25d366;color:#fff}.btn-whatsapp:hover:not(:disabled){background:#1fb755}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#15803d}.btn-icon{padding:6px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center}.btn-outline{background:transparent;color:var(--color-text);border-color:var(--color-border)}.btn-outline:hover:not(:disabled){background:var(--color-bg)}.card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--color-border)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.badge-danger{background:var(--color-danger-light);color:var(--color-danger)}.badge-warning{background:var(--color-warning-light);color:var(--color-warning)}.badge-success{background:#dcfce7;color:var(--color-success)}.badge-muted{background:#e2e8f0;color:#475569}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}.skeleton{background:linear-gradient(90deg,#e2e8f0,#f1f5f9 50%,#e2e8f0);background-size:1000px 100%;animation:shimmer 1.6s linear infinite;border-radius:4px;display:inline-block}@keyframes spin{to{transform:rotate(1turn)}}.spinner{width:14px;height:14px;border:2px solid;border-top:2px solid transparent;border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.app-shell{display:flex;min-height:100vh}.app-sidebar{width:240px;flex-shrink:0;background:linear-gradient(180deg,var(--color-primary) 0,var(--color-primary-dark) 100%);color:hsla(0,0%,100%,.9);display:flex;flex-direction:column;position:-webkit-sticky;position:sticky;top:0;height:100vh;z-index:30}.app-sidebar-brand{padding:20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid hsla(0,0%,100%,.12)}.app-sidebar-nav{padding:12px;flex:1 1;overflow-y:auto}.app-sidebar-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;color:hsla(0,0%,100%,.72);font-size:13px;font-weight:500;margin-bottom:2px;transition:background .15s,color .15s}.app-sidebar-item:hover{background:hsla(0,0%,100%,.08);color:#fff}.app-sidebar-item.active{background:hsla(0,0%,100%,.14);color:#fff;box-shadow:inset 2px 0 0 var(--color-accent)}.app-sidebar-item svg{flex-shrink:0}.app-sidebar-item.nested{font-size:12.5px;padding:8px 10px;color:hsla(0,0%,100%,.65)}.app-sidebar-group{margin:8px 0 4px}.app-sidebar-group-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:6px 12px;background:transparent;border:0;color:hsla(0,0%,100%,.55);font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;cursor:pointer;border-radius:6px;transition:color .15s,background .15s}.app-sidebar-group-header:hover{color:hsla(0,0%,100%,.85);background:hsla(0,0%,100%,.06)}.app-sidebar-group-header svg{transition:transform .2s ease;opacity:.7}.app-sidebar-group-header.open svg{transform:rotate(180deg)}.app-sidebar-group-items{margin-top:4px;padding-left:4px;border-left:1px solid hsla(0,0%,100%,.08);margin-left:14px}.app-sidebar-footer{padding:12px;border-top:1px solid hsla(0,0%,100%,.12);display:flex;flex-direction:column;gap:8px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;gap:12px;background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:0 1px 3px rgba(15,23,42,.04);position:-webkit-sticky;position:sticky;top:0;z-index:20;min-height:56px}.app-header button[aria-label="Configurar URL da API"]:hover{background:var(--color-surface);border-color:var(--color-primary-light);color:var(--color-primary)}@media (max-width:600px){.app-header{padding:12px 16px}.app-header button[aria-label="Configurar URL da API"] span{display:none}}.app-main-wrapper{flex:1 1;min-width:0;display:flex;flex-direction:column}.app-main{flex:1 1;padding:24px 20px;max-width:1400px;width:100%;margin:0 auto;box-sizing:border-box}.hamburger-btn{display:none;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--color-border);background:var(--color-surface);border-radius:8px;cursor:pointer;color:var(--color-text)}.hamburger-btn:hover{background:var(--color-bg)}.sidebar-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:25;opacity:0;pointer-events:none;transition:opacity .2s}@media (max-width:900px){.app-sidebar{position:fixed;top:0;left:0;height:100vh;transform:translateX(-100%);transition:transform .25s ease;box-shadow:var(--shadow-lg)}.app-shell.open .app-sidebar{transform:translateX(0)}.app-shell.open .sidebar-overlay{opacity:1;pointer-events:auto}.hamburger-btn{display:inline-flex}.app-main{padding:16px}}