:root{--primary: #0f4c81;--bg: #f4f6f8;--bubble-own: #0f4c81;--bubble-other: #ffffff;--border: #d9dfe4;--error: #c0392b;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#1c1c1e}button{font:inherit;cursor:pointer}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh}.auth-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}.auth-card{width:100%;max-width:360px;background:#fff;border-radius:16px;padding:24px;box-shadow:0 2px 12px #00000014;display:flex;flex-direction:column;gap:14px}.auth-card h1{font-size:1.3rem;margin:0 0 4px;color:var(--primary)}.auth-card label{display:flex;flex-direction:column;gap:4px;font-size:.9rem}.auth-card input,.new-mandant-form input,.new-mandant-form textarea,.composer input[type=text]{padding:12px;border-radius:10px;border:1px solid var(--border);font-size:1rem;font-family:inherit;resize:vertical}.auth-card button[type=submit],.dashboard-actions button,.new-mandant-form button[type=submit],.composer button[type=submit]{background:var(--primary);color:#fff;border:none;border-radius:10px;padding:12px;font-size:1rem}.error-text{color:var(--error);font-size:.9rem;margin:0}.hint{color:#6b7280;font-size:.85rem}.link-button{background:none;border:none;color:var(--primary);font-size:.9rem}.dashboard{max-width:480px;margin:0 auto;padding:16px 16px 40px}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.dashboard-header h1{font-size:1.2rem;margin:0}.invite-banner{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;margin-bottom:16px}.invite-banner input{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);margin:8px 0}.invite-share-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:8px 0}.whatsapp-button{background:#25d366;color:#fff;border:none;border-radius:10px;padding:10px 16px;font-size:.9rem;text-decoration:none;font-weight:600}.dashboard-actions{margin-bottom:12px;display:flex;gap:10px;flex-wrap:wrap}.dashboard-actions .secondary-button{background:#fff;color:var(--primary);border:1px solid var(--primary)}.broadcast-file-label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:#4b5563}.new-mandant-form{display:flex;flex-direction:column;gap:10px;background:#fff;border-radius:12px;padding:14px;margin-bottom:16px}.mandant-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.mandant-list a{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:12px;padding:14px 16px;text-decoration:none;color:#1c1c1e;border:1px solid var(--border)}.badge{background:var(--primary);color:#fff;border-radius:999px;padding:2px 9px;font-size:.8rem}.thread{display:flex;flex-direction:column;height:100dvh;max-width:600px;margin:0 auto}.thread-header{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--border)}.thread-header a{color:var(--primary);text-decoration:none}.thread-header h1{flex:1;font-size:1.05rem;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;position:relative}.menu-button{background:none;border:none;font-size:1.3rem;line-height:1;padding:4px 10px;color:#1c1c1e}.menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20}.dropdown-menu{position:absolute;top:100%;right:0;margin-top:6px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 4px 16px #0000001f;display:flex;flex-direction:column;min-width:170px;overflow:hidden;z-index:21}.dropdown-menu button{background:none;border:none;text-align:left;padding:12px 16px;font-size:.9rem;color:#1c1c1e}.dropdown-menu button:not(:last-child){border-bottom:1px solid var(--border)}.dropdown-menu button.danger{color:var(--error)}.badge-blocked{background:var(--error);color:#fff;border-radius:999px;padding:2px 9px;font-size:.7rem}.message-list{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.message-bubble{max-width:78%;background:var(--bubble-other);border:1px solid var(--border);border-radius:14px;padding:10px 14px;align-self:flex-start;display:flex;flex-direction:column;gap:6px}.broadcast-bubble{align-self:center;max-width:90%;background:#fff8e1;border:1px solid #f0d98c;border-radius:14px;padding:10px 16px;display:flex;flex-direction:column;gap:4px;align-items:center;text-align:center}.broadcast-bubble p{margin:0;white-space:pre-wrap;word-break:break-word}.broadcast-label{font-size:.75rem;font-weight:600;color:#8a6d00}.message-bubble.own{align-self:flex-end;background:var(--bubble-own);color:#fff;border:none}.message-bubble p{margin:0;white-space:pre-wrap;word-break:break-word}.push-banner{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;background:#eef5ff;border-bottom:1px solid var(--border);font-size:.85rem}.push-banner.active{background:#eafaf0}.push-banner.active button{background:#fff;color:#1c1c1e;border:1px solid var(--border)}.push-banner button{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:6px 12px;font-size:.85rem;white-space:nowrap}.push-banner-close{background:none!important;color:#6b7280!important;padding:4px 6px!important;font-size:1rem!important;margin-left:auto}.message-time{font-size:.7rem;opacity:.65;align-self:flex-end;display:inline-flex;align-items:center;gap:3px}.seen-ticks{letter-spacing:-2px;font-size:.75rem}.seen-ticks.seen{color:#6fd1ff;opacity:1}.file-attachment{display:flex;align-items:center;gap:8px;background:#0000000f;border:none;border-radius:10px;padding:8px 10px;text-align:left;color:inherit}.message-bubble.own .file-attachment{background:#ffffff2e}.video-fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000f2;z-index:1000;display:flex;align-items:center;justify-content:center}.video-fullscreen video{max-width:100%;max-height:100%}.video-fullscreen-close{position:absolute;top:max(16px,env(safe-area-inset-top));right:16px;background:#ffffff26;color:#fff;border:none;border-radius:50%;width:40px;height:40px;font-size:1.1rem;z-index:1001}.file-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9rem}.file-size{font-size:.75rem;opacity:.75}.composer{display:flex;align-items:center;gap:8px;padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--border)}.composer input[type=text]{flex:1}.upload-button{background:none;border:none;font-size:1.4rem;padding:6px}@media (max-width: 480px){.dashboard{padding:12px}}