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0;border-radius:6px;padding:.2rem .55rem;font-size:.72rem;font-weight:600}.alert-item-ack-btn:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.alert-item-ack-btn:disabled{opacity:.6;cursor:default}.alert-item-acked{color:var(--status-good);font-size:.72rem;font-weight:600}.chat-widget-button{background:var(--color-primary);color:#fff;cursor:pointer;z-index:210;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:transform .15s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 8px 24px #6366f159}.chat-widget-button:hover{transform:scale(1.05)}.chat-widget-panel{background:var(--bg-surface);border:1px solid var(--border-color);z-index:205;border-radius:16px;flex-direction:column;width:min(920px,100vw - 32px);height:min(640px,100vh - 140px);display:flex;position:fixed;bottom:92px;right:24px;overflow:hidden;box-shadow:0 16px 48px #0000004d}@media (width<=640px){.chat-widget-panel{width:auto;bottom:88px;left:16px;right:16px}}.chat-widget-header{border-bottom:1px solid var(--border-color);background:var(--bg-main);flex-shrink:0;justify-content:space-between;align-items:center;padding:.85rem 1.1rem;display:flex}.chat-widget-title{font-family:var(--font-title);font-size:.95rem;font-weight:700}.widget-body{flex:1;min-height:0;height:auto!important}.chat-history-dropdown{background:var(--bg-card);border:1px solid var(--border-color);z-index:220;border-radius:10px;width:260px;max-height:320px;padding:.4rem;position:absolute;top:calc(100% + 6px);right:0;overflow-y:auto;box-shadow:0 8px 24px #00000040}.toast-stack{z-index:300;flex-direction:column;gap:.5rem;width:340px;max-width:calc(100vw - 32px);display:flex;position:fixed;top:16px;right:16px}.toast-item{background:var(--bg-card);border:1px solid var(--border-color);cursor:pointer;border-left:3px solid #0000;border-radius:10px;padding:.7rem 1.6rem .7rem .9rem;animation:.2s ease-out toast-in;position:relative;box-shadow:0 8px 24px #00000040}.toast-item.severity-critical{border-left-color:var(--status-critical)}.toast-item.severity-warning{border-left-color:var(--status-warning)}.toast-title{color:var(--text-main);font-size:.85rem;font-weight:700}.toast-description{color:var(--text-muted);margin-top:.2rem;font-size:.78rem;line-height:1.4}.toast-close{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:.15rem;line-height:0;position:absolute;top:.6rem;right:.6rem}@keyframes toast-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0)}}.auth-screen{background-color:var(--bg-main);justify-content:center;align-items:center;width:100%;min-height:100vh;padding:1.5rem;display:flex}.auth-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;width:100%;max-width:380px;padding:2rem;box-shadow:0 12px 32px #00000040}.auth-brand{align-items:center;gap:.6rem;margin-bottom:1.5rem;display:flex}.auth-brand-symbol{object-fit:contain;background:#fff;border-radius:8px;flex-shrink:0;width:40px;height:40px;padding:5px;box-shadow:0 4px 12px #00000026}.auth-brand-title{font-family:var(--font-title);color:var(--text-main);font-size:1.05rem;font-weight:700}.auth-card h1{font-family:var(--font-title);color:var(--text-main);margin:0 0 .3rem;font-size:1.3rem;font-weight:700}.auth-card p.auth-subtitle{color:var(--text-muted);margin:0 0 1.5rem;font-size:.88rem}.auth-field{margin-bottom:1rem}.auth-field label{color:var(--text-muted);margin-bottom:.35rem;font-size:.82rem;display:block}.auth-field input{box-sizing:border-box;border:1px solid var(--border-color);background:var(--bg-input);width:100%;color:var(--text-main);font-size:.92rem;font-family:var(--font-sans);border-radius:6px;padding:.6rem .75rem}.auth-field input:focus{border-color:var(--border-focus);background:var(--bg-input-focus);outline:none}.auth-error{border:1px solid var(--color-red);color:var(--color-red);background:#f43f5e1a;border-radius:6px;margin-bottom:1rem;padding:.6rem .75rem;font-size:.85rem}.auth-submit{background:var(--color-primary);color:#fff;width:100%;font-size:.92rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;border:none;border-radius:6px;padding:.65rem}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-switch{text-align:center;color:var(--text-muted);margin-top:1.25rem;font-size:.85rem}.auth-switch button{color:var(--color-primary);font-size:.85rem;font-family:var(--font-sans);cursor:pointer;background:0 0;border:none;padding:0}.auth-loading-screen{background-color:var(--bg-main);width:100%;min-height:100vh;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:.75rem;font-size:.9rem;display:flex}.auth-loading-logo{object-fit:contain;background:#fff;border-radius:10px;width:48px;height:48px;padding:6px;box-shadow:0 4px 12px #00000026}