:root{--color-primary:#036;--color-primary-light:#004c99;--color-primary-dark:#024;--color-accent:#07c;--color-bg:#f7f8fa;--color-surface:#fff;--color-text:#1a1a2e;--color-text-secondary:#555;--color-text-muted:#888;--color-border:#e0e0e0;--color-success:#2e7d32;--color-success-bg:#e8f5e9;--color-warning:#f57c00;--color-warning-bg:#fff3e0;--color-error:#c62828;--color-error-bg:#ffebee;--shadow-sm:0 1px 3px #0000001a;--shadow-md:0 4px 6px #0000001a;--radius:8px;--radius-lg:12px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, 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.15s}.portal-header__link:hover{color:#fff;background:#ffffff1a;text-decoration:none}.portal-header__link--active{color:#fff;background:#ffffff26}.portal-header__signout{color:#fff;border-radius:var(--radius);cursor:pointer;font-size:13px;font-family:var(--font-sans);background:0 0;border:1px solid #ffffff4d;padding:5px 12px;transition:background .15s}.portal-header__signout:hover{background:#ffffff1a}.portal-header__menu-toggle{color:#fff;cursor:pointer;background:0 0;border:none;padding:4px;font-size:24px;display:none}@media (width<=768px){.portal-header{padding:0 16px}.portal-header__menu-toggle{display:block}.portal-header__nav{background:var(--color-primary);box-shadow:var(--shadow-md);flex-direction:column;gap:4px;padding:12px 16px;display:none;position:absolute;top:56px;left:0;right:0}.portal-header__nav--open{display:flex}.portal-header__link{width:100%;padding:10px 12px}.portal-header__signout{width:100%;margin-top:8px}}.portal-main{max-width:960px;margin:0 auto;padding:24px 16px}@media (width>=768px){.portal-main{padding:32px 24px}}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px}.card--compact{padding:16px}.card__title{margin-bottom:12px;font-size:18px;font-weight:600}.card__subtitle{color:var(--color-text-secondary);margin-bottom:16px;font-size:14px}.btn{font-family:var(--font-sans);border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-light)}.btn--secondary{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover:not(:disabled){background:var(--color-border)}.btn--small{padding:6px 14px;font-size:13px}.btn--full{width:100%}.input{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;font-family:var(--font-sans);background:#fff;padding:10px 14px;font-size:14px;transition:border-color .15s}.input:focus{border-color:var(--color-accent);outline:none;box-shadow:0 0 0 3px #0077cc26}.input-group{flex-direction:column;gap:6px;display:flex}.input-label{font-size:14px;font-weight:500}.toggle{flex-shrink:0;width:44px;height:24px;display:inline-block;position:relative}.toggle input{opacity:0;width:0;height:0}.toggle__slider{cursor:pointer;background:#ccc;border-radius:24px;transition:background .2s;position:absolute;inset:0}.toggle__slider:before{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .2s;position:absolute;bottom:3px;left:3px}.toggle input:checked+.toggle__slider{background:var(--color-success)}.toggle input:checked+.toggle__slider:before{transform:translate(20px)}.toggle input:focus-visible+.toggle__slider{box-shadow:0 0 0 3px #0077cc4d}.alert{border-radius:var(--radius);margin-bottom:16px;padding:12px 16px;font-size:14px}.alert--success{background:var(--color-success-bg);color:var(--color-success)}.alert--warning{background:var(--color-warning-bg);color:var(--color-warning)}.alert--error{background:var(--color-error-bg);color:var(--color-error)}.page-title{margin-bottom:8px;font-size:24px;font-weight:700}.page-subtitle{color:var(--color-text-secondary);margin-bottom:24px;font-size:15px}.login-container{background:linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{border-radius:var(--radius-lg);text-align:center;background:#fff;width:100%;max-width:420px;padding:40px 32px;box-shadow:0 8px 32px 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16px;display:flex}.chat-panel__header-info{align-items:center;gap:10px;display:flex}.chat-panel__avatar{background:#fff3;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;font-weight:600;display:flex}.chat-panel__name{font-size:15px;font-weight:600;line-height:1.2}.chat-panel__subtitle{opacity:.8;font-size:12px}.chat-panel__header-actions{gap:4px;display:flex}.chat-panel__header-btn{color:#fff;cursor:pointer;border-radius:var(--radius);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;transition:background .15s;display:flex}.chat-panel__header-btn:hover{background:#ffffff26}.chat-panel__body{flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.chat-message{gap:8px;max-width:85%;animation:.2s ease-out chat-fade-in;display:flex}@keyframes chat-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.chat-message--user{flex-direction:row-reverse;align-self:flex-end}.chat-message--assistant{align-self:flex-start}.chat-message__avatar{background:var(--color-primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;margin-top:2px;font-size:12px;font-weight:600;display:flex}.chat-message__bubble{white-space:pre-wrap;word-break:break-word;border-radius:16px;padding:10px 14px;font-size:14px;line-height:1.5}.chat-message--user .chat-message__bubble{background:var(--color-primary);color:#fff;border-bottom-right-radius:4px}.chat-message--assistant .chat-message__bubble{background:var(--color-bg);color:var(--color-text);border-bottom-left-radius:4px}.chat-typing{align-items:center;gap:4px;min-height:40px;padding:12px 16px;display:flex}.chat-typing__dot{background:var(--color-text-muted);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite chat-typing-bounce}.chat-typing__dot:nth-child(2){animation-delay:.2s}.chat-typing__dot:nth-child(3){animation-delay:.4s}@keyframes chat-typing-bounce{0%,60%,to{opacity:.4;transform:translateY(0)}30%{opacity:1;transform:translateY(-6px)}}.chat-panel__footer{border-top:1px solid var(--color-border);flex-shrink:0;align-items:flex-end;gap:8px;padding:12px 16px;display:flex}.chat-panel__input{border:1px solid var(--color-border);font-family:var(--font-sans);resize:none;background:var(--color-bg);border-radius:20px;outline:none;flex:1;max-height:120px;padding:10px 14px;font-size:14px;line-height:1.4;transition:border-color .15s}.chat-panel__input:focus{border-color:var(--color-accent)}.chat-panel__input:disabled{opacity:.6}.chat-panel__send{background:var(--color-primary);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:background .15s,opacity .15s;display:flex}.chat-panel__send:hover:not(:disabled){background:var(--color-primary-light)}.chat-panel__send:disabled{opacity:.4;cursor:not-allowed}@media (width<=768px){.chat-fab{bottom:16px;right:16px}.chat-panel{border-radius:0;width:100%;height:auto;inset:56px 0 0}}