.auth-page{background:var(--color-bg-primary);width:100vw;min-height:100vh;display:flex}.auth-page__branding{padding:var(--space-16);background:var(--color-bg-tertiary);flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.auth-page__logo{font-size:3.5rem;font-weight:var(--font-weight-bold);color:var(--color-accent);margin-bottom:var(--space-4);z-index:1;letter-spacing:-1px;position:relative}.auth-page__tagline{font-size:var(--font-size-lg);color:var(--color-text-secondary);text-align:center;max-width:380px;line-height:var(--line-height-relaxed);z-index:1;position:relative}.auth-page__features{margin-top:var(--space-12);gap:var(--space-4);z-index:1;flex-direction:column;display:flex;position:relative}.auth-page__feature{align-items:center;gap:var(--space-3);color:var(--color-text-secondary);font-size:var(--font-size-base);display:flex}.auth-page__feature-icon{border-radius:var(--radius-md);background:var(--color-accent-muted);width:36px;height:36px;color:var(--color-accent);flex-shrink:0;justify-content:center;align-items:center;display:flex}.auth-page__form-panel{padding:var(--space-8);flex:1;justify-content:center;align-items:center;display:flex}.auth-form{width:100%;max-width:420px;animation:.5s forwards slideUp}.auth-form__title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);margin-bottom:var(--space-2);color:var(--color-text-primary)}.auth-form__subtitle{color:var(--color-text-secondary);margin-bottom:var(--space-8);font-size:var(--font-size-base)}.auth-form__group{margin-bottom:var(--space-5)}.auth-form__label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);margin-bottom:var(--space-2);text-transform:uppercase;letter-spacing:.5px;display:block}.auth-form__input{width:100%;padding:var(--space-3) var(--space-4);font-size:var(--font-size-base);background:var(--color-surface-input);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);transition:border-color var(--transition-fast), box-shadow var(--transition-fast)}.auth-form__input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-muted)}.auth-form__input--error{border-color:var(--color-danger)}.auth-form__error{color:var(--color-danger);font-size:var(--font-size-sm);margin-top:var(--space-1)}.auth-form__alert{color:var(--color-danger);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);margin-bottom:var(--space-5);font-size:var(--font-size-sm);background:#f871711a;border:1px solid #f871714d;animation:.3s fadeIn}.auth-form__alert--success{color:var(--color-success);background:#34d3991a;border-color:#34d3994d}.auth-form__submit{width:100%;padding:var(--space-3) var(--space-4);background:var(--color-accent);color:#fff;font-size:var(--font-size-base);font-weight:var(--font-weight-semibold);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);margin-top:var(--space-2);border:none}.auth-form__submit:hover:not(:disabled){background:var(--color-accent-hover);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.auth-form__submit:active:not(:disabled){transform:translateY(0)}.auth-form__submit:disabled{opacity:.6;cursor:not-allowed}.auth-form__footer{text-align:center;margin-top:var(--space-6);color:var(--color-text-secondary);font-size:var(--font-size-base)}.auth-form__link{color:var(--color-accent);font-weight:var(--font-weight-medium);cursor:pointer;transition:color var(--transition-fast)}.auth-form__link:hover{color:var(--color-accent-hover)}.app-loading{background:var(--color-bg-primary);justify-content:center;align-items:center;gap:var(--space-4);flex-direction:column;width:100vw;height:100vh;display:flex}.app-loading__spinner{border:3px solid var(--color-bg-tertiary);border-top-color:var(--color-accent);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}.app-loading__text{color:var(--color-text-secondary);font-size:var(--font-size-base)}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=900px){.auth-page__branding{display:none}.auth-page__form-panel{flex:1}}.chat-layout{background:var(--color-bg-primary);width:100vw;height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--color-surface-sidebar);border-right:1px solid var(--color-border);flex-direction:column;flex-shrink:0;height:100vh;display:flex}.sidebar__header{padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-border);height:var(--header-height);justify-content:space-between;align-items:center;display:flex}.sidebar__logo{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--color-accent)}.sidebar__actions{gap:var(--space-2);display:flex}.sidebar__icon-btn{border-radius:var(--radius-md);width:36px;height:36px;color:var(--color-text-secondary);transition:background var(--transition-fast), color 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6px;display:flex}.chat-view{background:var(--color-surface-chat);flex-direction:column;flex:1;height:100vh;display:flex}.chat-view__empty{justify-content:center;align-items:center;gap:var(--space-4);color:var(--color-text-muted);flex-direction:column;flex:1;display:flex}.chat-view__empty-icon{border-radius:var(--radius-xl);background:var(--color-bg-tertiary);width:80px;height:80px;color:var(--color-text-muted);justify-content:center;align-items:center;display:flex}.chat-view__empty-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-secondary)}.chat-header{padding:0 var(--space-6);height:var(--header-height);border-bottom:1px solid var(--color-border);background:var(--color-surface-sidebar);justify-content:space-between;align-items:center;display:flex}.chat-header__info{align-items:center;gap:var(--space-3);display:flex}.chat-header__avatar{border-radius:var(--radius-full);object-fit:cover;background:var(--color-bg-elevated);width:38px;height:38px}.chat-header__avatar-placeholder{border-radius:var(--radius-full);background:var(--color-accent);width:38px;height:38px;font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);color:#fff;justify-content:center;align-items:center;display:flex}.chat-header__details h2{font-size:var(--font-size-base);font-weight:var(--font-weight-semibold)}.chat-header__status{font-size:var(--font-size-xs);color:var(--color-text-muted)}.chat-header__status--online{color:var(--color-success)}.chat-header__actions{gap:var(--space-2);display:flex}.messages-area{padding:var(--space-4) 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var(--transition-fast);margin-bottom:var(--space-1)}.pinned-messages-panel__item:hover{background:var(--color-bg-hover)}.pinned-messages-panel__item-info{margin-bottom:var(--space-1);justify-content:space-between;display:flex}.pinned-messages-panel__item-sender{font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);color:var(--color-accent)}.pinned-messages-panel__item-time{color:var(--color-text-muted);font-size:10px}.pinned-messages-panel__item-body{font-size:var(--font-size-sm);color:var(--color-text-primary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.pinned-badge{background:var(--color-accent);color:#fff;border-radius:var(--radius-full);font-size:9px;font-weight:var(--font-weight-bold);min-width:14px;height:14px;box-shadow:0 0 0 2px var(--color-surface-sidebar);justify-content:center;align-items:center;padding:0 3px;display:flex;position:absolute;top:-2px;right:-2px}.message--highlight .message__bubble,.message--own.message--highlight .message__bubble{animation:1.5s ease-in-out flashHighlight}@keyframes flashHighlight{0%{box-shadow:0 0 0 3px #ef4444cc}60%{box-shadow:0 0 0 3px #ef4444cc}to{box-shadow:0 0 #0000}}@keyframes flashHighlightOwn{0%{box-shadow:0 0 0 3px #ef4444cc}60%{box-shadow:0 0 0 3px #ef4444cc}to{box-shadow:0 0 #0000}}.sidebar__icon-btn--active{color:var(--color-accent)!important;background:var(--color-accent-muted)!important}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.message__pin-badge{background:var(--color-accent);color:#fff;border-radius:var(--radius-full);z-index:10;border:1.5px solid var(--color-surface-chat);pointer-events:none;justify-content:center;align-items:center;width:18px;height:18px;display:flex;position:absolute;top:0;left:0;transform:translate(-50%,-50%);box-shadow:0 1px 3px #00000026}.message__pin-badge-icon{transform:rotate(45deg)}.chat-toast{top:var(--space-6);right:var(--space-6);background:var(--color-surface-modal);color:var(--color-text-primary);padding:var(--space-4) var(--space-6);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);border:1px solid var(--color-border);border-left:5px solid var(--color-accent);z-index:var(--z-toast);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);align-items:center;gap:var(--space-3);animation:slideInRight var(--transition-base) ease forwards;display:flex;position:fixed}.message--highlighted{animation:2s ease-out highlightFlash}@keyframes highlightFlash{0%{background-color:#6366f140;border-radius:8px}to{background-color:#0000;border-radius:8px}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg-primary:#f8f9fa;--color-bg-secondary:#fff;--color-bg-tertiary:#f3f4f6;--color-bg-elevated:#fff;--color-bg-hover:#eef8e6;--color-bg-active:#dff0d0;--color-surface-chat:#fff;--color-surface-sidebar:#fff;--color-surface-input:#fff;--color-surface-modal:#fff;--color-accent:#6db33f;--color-accent-hover:#5fa134;--color-accent-muted:#6db33f26;--color-accent-glow:#6db33f4d;--color-success:#6db33f;--color-warning:#fbbf24;--color-danger:#ef4444;--color-info:#3b82f6;--color-text-primary:#1f2937;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-text-inverse:#fff;--color-border:#e5e7eb;--color-border-hover:#d1d5db;--color-border-focus:var(--color-accent);--color-msg-own:#6db33f;--color-msg-own-text:#fff;--color-msg-other:#f3f4f6;--color-msg-other-text:#1f2937;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs:.6875rem;--font-size-sm:.75rem;--font-size-base:.875rem;--font-size-md:1rem;--font-size-lg:1.25rem;--font-size-xl:1.5rem;--font-size-2xl:2rem;--font-weight-light:300;--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--shadow-glow:0 0 15px var(--color-accent-glow);--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--z-dropdown:100;--z-modal-overlay:200;--z-modal:300;--z-toast:10000;--sidebar-width:340px;--header-height:64px;--input-height:72px}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-bg-primary);height:100vh;overflow:hidden}#root{height:100vh;display:flex}a{color:var(--color-accent);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-accent-hover)}button{cursor:pointer;font-family:var(--font-family);color:inherit;background:0 0;border:none;outline:none}input,textarea{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-surface-input);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none}input:focus,textarea:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-accent-muted)}input::placeholder,textarea::placeholder{color:var(--color-text-muted)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-bg-hover);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-bg-active)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.animate-fade-in{animation:fadeIn var(--transition-base) ease forwards}.animate-slide-up{animation:slideUp var(--transition-base) ease forwards}.message__action-dropdown{z-index:200;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:170px;padding:4px;animation:.15s forwards slideUp;position:absolute;bottom:calc(100% + 6px)}.message__action-dropdown:after{content:"";background:0 0;width:100%;height:6px;position:absolute;top:100%;left:0}.message__action-dropdown-item{border-radius:var(--radius-sm);width:100%;font-size:.8rem;font-family:var(--font-family);color:var(--color-text-primary);cursor:pointer;text-align:left;transition:background var(--transition-fast);background:0 0;border:none;align-items:center;gap:8px;padding:7px 10px;display:flex}.message__action-dropdown-item:hover{background:var(--color-bg-tertiary)}.message__action-dropdown-item--danger{color:var(--color-danger)}.message__action-dropdown-item--danger:hover{background:#ef444414}