.aichat-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.aichat-page .footer,
.aichat-page .scroll-top {
    display: none !important;
}

.aichat-container {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-areas: "sidebar chat";
    flex: 1;
    height: calc(100vh - var(--nav-height));
    margin-top: var(--nav-height);
    overflow: hidden;
}

.aichat-sidebar {
    grid-area: sidebar;
    background: rgba(18, 18, 18, 0.95);
    border-right: 1px solid rgba(255,255,255,0.05);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.aichat-sidebar__header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    flex-shrink: 0;
}

.aichat-sidebar__title {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-sm);
}

.aichat-sidebar__search {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem;
    color: var(--clr-light-gray);
    font-size: var(--fs-sm);
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-fast);
}

.aichat-sidebar__search:focus {
    border-color: rgba(194, 24, 91, 0.3);
}

.aichat-sidebar__search::placeholder {
    color: var(--clr-gray);
    opacity: 0.6;
}

.aichat-charlist {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm) 0;
}

.aichat-charlist::-webkit-scrollbar {
    width: 3px;
}

.aichat-charlist::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
}

.aichat-charcard {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.6rem var(--spacing-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-left: 2px solid transparent;
}

.aichat-charcard:hover {
    background: rgba(255,255,255,0.03);
}

.aichat-charcard--active {
    background: rgba(194, 24, 91, 0.06);
    border-left-color: var(--clr-accent);
}

.aichat-charcard__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
    transition: border-color var(--transition-fast);
}

.aichat-charcard--active .aichat-charcard__avatar {
    border-color: var(--clr-accent);
}

.aichat-charcard__info {
    flex: 1;
    min-width: 0;
}

.aichat-charcard__name {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-pure-white);
    line-height: 1.2;
}

.aichat-charcard__desc {
    font-size: var(--fs-xs);
    color: var(--clr-gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.aichat-charcard__badge {
    font-size: 0.65rem;
    color: var(--clr-accent);
    opacity: 0.8;
}

.aichat-sidebar__footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.aichat-server-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: none;
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    padding: 0.35rem 0.75rem;
    color: var(--clr-gray);
    font-size: var(--fs-xs);
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.aichat-server-btn:hover {
    border-color: rgba(194, 24, 91, 0.3);
    color: var(--clr-light-gray);
}

.aichat-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ef4444;
    transition: background var(--transition-fast);
}

.aichat-status-dot--online {
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.aichat-clear-btn {
    background: none;
    border: none;
    color: var(--clr-gray);
    font-size: var(--fs-xs);
    font-family: inherit;
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.aichat-clear-btn:hover {
    color: #ef4444;
}

.aichat-main {
    grid-area: chat;
    display: flex;
    flex-direction: column;
    background: var(--clr-black);
    overflow: hidden;
}

.aichat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem var(--spacing-lg);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(14, 14, 14, 0.95);
    backdrop-filter: blur(12px);
    flex-shrink: 0;
    min-height: 56px;
}

.aichat-header__left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.aichat-header__mobile-btn {
    display: none;
    background: none;
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--clr-gray);
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.aichat-header__mobile-btn:hover {
    color: var(--clr-accent);
    border-color: rgba(194, 24, 91, 0.3);
}

.aichat-header__avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.08);
}

.aichat-header__name {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-pure-white);
}

.aichat-header__subtitle {
    font-size: var(--fs-xs);
    color: var(--clr-gray);
}

.aichat-header__actions {
    display: flex;
    gap: var(--spacing-xs);
}

.aichat-header__actions button {
    background: none;
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--clr-gray);
    cursor: pointer;
    padding: 0.4rem;
    border-radius: var(--radius-md);
    font-size: var(--fs-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.aichat-header__actions button:hover {
    color: var(--clr-pure-white);
    border-color: rgba(255,255,255,0.12);
}

.aichat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.aichat-messages::-webkit-scrollbar {
    width: 4px;
}

.aichat-messages::-webkit-scrollbar-thumb {
    background: rgba(194, 24, 91, 0.2);
    border-radius: 2px;
}

.aichat-welcome {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    text-align: center;
}

.aichat-welcome__inner {
    max-width: 460px;
}

.aichat-welcome__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(194, 24, 91, 0.08);
    border-radius: 50%;
    color: var(--clr-accent);
    font-size: var(--fs-xl);
}

.aichat-welcome h3 {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--clr-pure-white);
    margin-bottom: var(--spacing-sm);
}

.aichat-welcome h3 span {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.aichat-welcome p {
    font-size: var(--fs-sm);
    color: var(--clr-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.aichat-welcome__chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.aichat-welcome__chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.4rem 0.9rem;
    background: var(--clr-dark-gray);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-xl);
    color: var(--clr-light-gray);
    font-size: var(--fs-xs);
    cursor: pointer;
    transition: all var(--transition-base);
}

.aichat-welcome__chip:hover {
    border-color: rgba(194, 24, 91, 0.3);
    background: rgba(194, 24, 91, 0.06);
    transform: translateY(-1px);
}

.aichat-welcome__chip img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
}

.aichat-msg {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    animation: aichat-msg-in 0.3s ease-out;
}

@keyframes aichat-msg-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.aichat-msg--user {
    flex-direction: row-reverse;
}

.aichat-msg__avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.aichat-msg__bubble {
    max-width: 65%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-size: var(--fs-sm);
    line-height: 1.65;
    word-wrap: break-word;
}

.aichat-msg--user .aichat-msg__bubble {
    background: rgba(194, 24, 91, 0.12);
    color: var(--clr-light-gray);
    border: 1px solid rgba(194, 24, 91, 0.15);
    border-bottom-right-radius: var(--radius-sm);
}

.aichat-msg--assistant .aichat-msg__bubble {
    background: var(--clr-dark-gray);
    color: var(--clr-light-gray);
    border: 1px solid rgba(255,255,255,0.04);
    border-bottom-left-radius: var(--radius-sm);
}

.aichat-msg__time {
    font-size: 0.65rem;
    color: var(--clr-gray);
    opacity: 0.6;
    margin-top: var(--spacing-xs);
}

.aichat-msg--user .aichat-msg__time {
    text-align: right;
}

.aichat-typing {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    animation: aichat-msg-in 0.3s ease-out;
}

.aichat-typing__bubble {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.75rem 1rem;
    background: var(--clr-dark-gray);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius-lg);
    border-bottom-left-radius: var(--radius-sm);
}

.aichat-typing__text {
    font-size: var(--fs-xs);
    color: var(--clr-gray);
}

.aichat-typing__dots {
    display: flex;
    gap: 3px;
}

.aichat-typing__dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--clr-accent);
    animation: aichat-dot-pulse 1.4s infinite ease-in-out;
}

.aichat-typing__dot:nth-child(2) { animation-delay: 0.2s; }
.aichat-typing__dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes aichat-dot-pulse {
    0%, 60%, 100% { opacity: 0.3; transform: scale(1); }
    30% { opacity: 1; transform: scale(1.3); }
}

.aichat-input {
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(14, 14, 14, 0.95);
    backdrop-filter: blur(12px);
    flex-shrink: 0;
}

.aichat-input__wrap {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: 0.4rem 0.5rem 0.4rem 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    max-width: 780px;
    margin: 0 auto;
}

.aichat-input__wrap:focus-within {
    border-color: rgba(194, 24, 91, 0.3);
    box-shadow: 0 0 0 2px rgba(194, 24, 91, 0.06);
}

.aichat-input__textarea {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.45rem 0;
    color: var(--clr-light-gray);
    font-size: var(--fs-sm);
    font-family: inherit;
    outline: none;
    resize: none;
    max-height: 120px;
    min-height: 22px;
    line-height: 1.5;
}

.aichat-input__textarea::placeholder {
    color: var(--clr-gray);
    opacity: 0.5;
}

.aichat-input__textarea:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.aichat-input__send {
    width: 36px;
    height: 36px;
    background: var(--clr-accent);
    border: none;
    border-radius: var(--radius-md);
    color: var(--clr-pure-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.aichat-input__send:hover:not(:disabled) {
    opacity: 0.85;
    transform: scale(1.05);
}

.aichat-input__send:disabled {
    opacity: 0.25;
    cursor: not-allowed;
    background: var(--clr-mid-gray);
}

.aichat-input__hint {
    text-align: center;
    font-size: 0.65rem;
    color: var(--clr-gray);
    opacity: 0.4;
    margin-top: var(--spacing-xs);
}

.aichat-offline {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    text-align: center;
    position: relative;
}

.aichat-offline__inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.aichat-offline__icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.aichat-offline__icon i {
    font-size: 1.4rem;
    color: var(--clr-gray);
    opacity: 0.6;
}

.aichat-offline__icon::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.04);
    animation: ai-offline-ring 3s ease-in-out infinite;
}

.aichat-offline__icon::after {
    content: '';
    position: absolute;
    inset: -14px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.02);
    animation: ai-offline-ring 3s ease-in-out 0.5s infinite;
}

@keyframes ai-offline-ring {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.04); }
}

.aichat-offline__title {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-light-gray);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-xs);
}

.aichat-offline__subtitle {
    font-size: var(--fs-sm);
    color: var(--clr-gray);
    opacity: 0.7;
    margin-bottom: var(--spacing-xl);
    max-width: 280px;
}

.aichat-offline__scanline {
    display: none;
}

.aichat-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.aichat-modal--open {
    opacity: 1;
    pointer-events: auto;
}

.aichat-modal__box {
    background: var(--clr-dark);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 420px;
    width: 90%;
}

.aichat-modal__title {
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--clr-pure-white);
    margin-bottom: var(--spacing-lg);
}

.aichat-modal__group {
    margin-bottom: var(--spacing-lg);
}

.aichat-modal__label {
    display: block;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--clr-light-gray);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.aichat-modal__input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 0.6rem 0.875rem;
    color: var(--clr-light-gray);
    font-size: var(--fs-sm);
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-fast);
}

.aichat-modal__input:focus {
    border-color: rgba(194, 24, 91, 0.4);
}

.aichat-modal__hint {
    font-size: var(--fs-xs);
    color: var(--clr-gray);
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

.aichat-modal__actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.aichat-modal__status {
    margin-top: var(--spacing-md);
    padding: 0.6rem 0.875rem;
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    display: none;
}

.aichat-modal__status--success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #22c55e;
    display: block;
}

.aichat-modal__status--error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    display: block;
}

.aichat-modal__status--info {
    background: rgba(194, 24, 91, 0.08);
    border: 1px solid rgba(194, 24, 91, 0.2);
    color: var(--clr-accent-light);
    display: block;
}

.aichat-toast {
    position: fixed;
    top: calc(var(--nav-height) + var(--spacing-md));
    right: var(--spacing-md);
    background: rgba(239, 68, 68, 0.9);
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--fs-xs);
    z-index: 10001;
    backdrop-filter: blur(8px);
    animation: aichat-toast-in 0.3s ease-out;
    max-width: 280px;
}

@keyframes aichat-toast-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 768px) {
    .aichat-container {
        grid-template-columns: 1fr;
        grid-template-areas: "chat";
    }

    .aichat-sidebar {
        position: fixed;
        top: var(--nav-height);
        left: -300px;
        width: 300px;
        height: calc(100vh - var(--nav-height));
        z-index: 1000;
        transition: left 0.3s ease;
        box-shadow: 4px 0 20px rgba(0,0,0,0.5);
    }

    .aichat-sidebar--open {
        left: 0;
    }

    .aichat-header__mobile-btn {
        display: flex;
    }

    .aichat-msg__bubble {
        max-width: 80%;
    }

    .aichat-messages {
        padding: var(--spacing-md);
    }

    .aichat-input {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

.aichat-mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.aichat-mobile-overlay--active {
    opacity: 1;
    pointer-events: auto;
}