.biyoai-shell {
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(var(--vz-primary-rgb, 62, 133, 242), 0.12);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
    background: linear-gradient(160deg, rgba(var(--vz-light-rgb, 243, 246, 255), 0.96) 0%, rgba(var(--vz-light-rgb, 243, 246, 255), 0.85) 55%, rgba(var(--vz-primary-rgb, 62, 133, 242), 0.08) 100%);
    color: inherit;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: min(780px, calc(100vh - 36px));
    max-height: calc(100vh - 36px);
}

.biyoai-shell-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px 16px;
    background: linear-gradient(130deg, rgba(var(--vz-primary-rgb, 62, 133, 242), 0.14) 0%, rgba(255, 255, 255, 0.85) 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.biyoai-shell-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.biyoai-shell-brand strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--vz-primary, #3E85F2);
}

.biyoai-shell-brand span {
    display: block;
    font-size: 0.75rem;
    color: var(--vz-secondary, #6b7280);
}

.biyoai-shell-logo {
    width: 64px;
    height: 36px;
    border-radius: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(140deg, var(--vz-primary, #3E85F2) 0%, #6366f1 100%);
    color: #fff;
    box-shadow: 0 10px 22px rgba(var(--vz-primary-rgb, 62, 133, 242), 0.25);
    padding: 4px 8px;
}

.biyoai-shell-logo i {
    font-size: 1.25rem;
}

.biyoai-shell-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.biyoai-shell-body {
    padding: 0 22px 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 245, 249, 0.92) 100%);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.biyoai-view-home {
    padding: 20px 18px 28px;
    gap: 24px;
}

.biyoai-view-history {
    padding: 12px 18px 24px;
    gap: 16px;
}

.biyoai-view-chat {
    padding: 0;
    gap: 0;
}

.biyoai-home-hero {
    display: grid;
    gap: 0.5rem;
    text-align: left;
}

.biyoai-hero-eyebrow {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-weight: 600;
    color: var(--vz-primary, #3E85F2);
}

.biyoai-home-hero h1 {
    font-size: 1.65rem;
    line-height: 1.35;
    color: var(--vz-heading-color, #111827);
}

.biyoai-home-hero p {
    margin: 0;
    color: var(--vz-secondary, #6b7280);
}

.biyoai-home-actions {
    display: flex;
    flex-wrap: nowrap;
    gap: 18px;
    margin-top: 20px;
    align-items: stretch;
}

.biyoai-home-primary,
.biyoai-home-secondary {
    border-radius: 16px;
    border: none;
    padding: 14px 22px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 14px 24px rgba(var(--vz-primary-rgb, 62, 133, 242), 0.18);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    flex: 1;
    justify-content: center;
}

.biyoai-home-primary {
    background: linear-gradient(120deg, var(--vz-primary, #3E85F2), #6366f1);
    color: #fff;
}

.biyoai-home-secondary {
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.12);
    color: var(--vz-primary, #3E85F2);
    box-shadow: none;
    border: 1px solid rgba(var(--vz-primary-rgb, 62, 133, 242), 0.25);
}

.biyoai-home-primary:hover,
.biyoai-home-secondary:hover {
    transform: translateY(-2px);
}

.biyoai-home-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 24px 0 16px;
}

.biyoai-home-description {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    color: var(--vz-secondary, #6b7280);
}

.biyoai-home-description p {
    margin: 0;
    font-size: 0.95rem;
}

.biyoai-home-quicklist {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.biyoai-home-quicklist .biyoai-quick-pill {
    font-size: 0.9rem;
}
.biyoai-highlight {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--vz-secondary, #6b7280);
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.04);
}

.biyoai-home-grid {
    display: grid;
    gap: 18px;
    margin-top: 12px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.biyoai-home-card {
    border-radius: 22px;
    background: #fff;
    padding: 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.08);
    text-align: left;
}

.biyoai-home-card-head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.biyoai-home-card-head i {
    font-size: 1.6rem;
    color: var(--vz-primary, #3E85F2);
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.1);
    border-radius: 14px;
    padding: 10px;
}

.biyoai-home-card-head h2 {
    font-size: 1.05rem;
    margin-bottom: 2px;
    color: var(--vz-heading-color, #111827);
}

.biyoai-home-card-head span {
    font-size: 0.82rem;
    color: var(--vz-secondary, #6b7280);
}

.biyoai-home-list {
    margin: 0;
    padding-left: 20px;
    display: grid;
    gap: 6px;
    color: var(--vz-secondary, #6b7280);
    font-size: 0.92rem;
}

.biyoai-home-card-action {
    cursor: pointer;
    align-items: flex-start;
    text-align: left;
}

.biyoai-home-card-action:hover {
    box-shadow: 0 20px 40px rgba(var(--vz-primary-rgb, 62, 133, 242), 0.15);
    transform: translateY(-4px);
}

.biyoai-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--vz-primary, #3E85F2);
    font-size: 0.9rem;
}

.biyoai-home-quicklinks {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.biyoai-quick-pill {
    border-radius: 999px;
    padding: 10px 16px;
    border: 1px solid rgba(var(--vz-primary-rgb, 62, 133, 242), 0.25);
    background: rgba(255, 255, 255, 0.8);
    color: var(--vz-primary, #3E85F2);
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.2s ease, transform 0.2s ease;
}

.biyoai-quick-pill:hover {
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.12);
    transform: translateY(-1px);
}

.biyoai-home-footer {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--vz-secondary, #6b7280);
}

.biyoai-footnote {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: inherit;
}

.biyoai-history-toolbar {
    margin-left: auto;
    display: inline-flex;
    align-self: flex-start;
}

.biyoai-input-icon {
    position: relative;
    display: block;
}

.biyoai-input-icon i {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 16px;
    color: var(--vz-secondary, #6b7280);
    font-size: 1rem;
}

#biyoaiHistorySearch {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border-radius: 999px;
    border: none;
    background: transparent;
    color: inherit;
}

.biyoai-history-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.biyoai-filter-chip {
    border: none;
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 0.82rem;
    background: rgba(15, 23, 42, 0.06);
    color: var(--vz-secondary, #6b7280);
    font-weight: 500;
}

.biyoai-filter-chip.is-active,
.biyoai-filter-chip[aria-selected="true"] {
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.15);
    color: var(--vz-primary, #3E85F2);
}

.biyoai-history-list {
    display: grid;
    gap: 14px;
    max-height: 320px;
    overflow-y: auto;
    padding-right: 6px;
}

.biyoai-history-list.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

.biyoai-history-item {
    display: grid;
    gap: 6px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    background: rgba(255, 255, 255, 0.95);
    text-align: left;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.biyoai-history-item:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.35);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
}

.biyoai-history-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--vz-heading-color, #0f172a);
    font-size: 0.95rem;
}

.biyoai-history-item.is-favorite {
    border-color: rgba(250, 204, 21, 0.45);
    box-shadow: 0 18px 36px rgba(250, 204, 21, 0.16);
}

.biyoai-history-item.is-favorite:hover {
    border-color: rgba(250, 204, 21, 0.65);
    box-shadow: 0 20px 44px rgba(250, 204, 21, 0.2);
}

.biyoai-history-item.is-favorite .biyoai-history-title i {
    color: #facc15;
    font-size: 1rem;
}

.biyoai-history-date {
    font-size: 0.75rem;
    color: var(--vz-secondary, #6b7280);
}

.biyoai-history-excerpt {
    font-size: 0.82rem;
    color: var(--vz-secondary, #475569);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.biyoai-history-placeholder {
    text-align: center;
    padding: 40px 24px;
    border-radius: 18px;
    border: 1px dashed rgba(15, 23, 42, 0.12);
    background: rgba(248, 250, 252, 0.7);
    color: var(--vz-secondary, #6b7280);
}

.biyoai-history-placeholder i {
    font-size: 2.4rem;
    color: var(--vz-primary, #3E85F2);
    margin-bottom: 10px;
}

.biyoai-quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 8px 10px;
    flex-shrink: 0;
}

.biyoai-quick-actions.is-hidden {
    display: none;
    padding: 0;
    margin: 0;
}

.biyoai-quick-empty {
    font-size: 0.84rem;
    color: var(--vz-secondary, #64748b);
    padding: 8px 12px;
    background: rgba(15, 23, 42, 0.04);
    border-radius: 12px;
}

.biyoai-menu-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 220px;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
    border: 1px solid rgba(15, 23, 42, 0.08);
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.18s ease, transform 0.18s ease;
    z-index: 5;
}

.biyoai-chat-header-actions {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.biyoai-menu-panel.is-open {
    opacity: 1;
    transform: translateY(0);
}

.biyoai-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    border: none;
    background: transparent;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 0.9rem;
    color: var(--vz-secondary, #475569);
    transition: background 0.2s ease, color 0.2s ease;
}

.biyoai-menu-item i {
    font-size: 1.05rem;
    color: var(--vz-primary, #3E85F2);
}

.biyoai-menu-item:hover {
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.12);
    color: var(--vz-primary, #3E85F2);
}

.biyoai-menu-item.is-active i {
    color: #facc15;
}

.biyoai-menu-item[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.biyoai-section-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
    padding: 8px 0 6px;
}

.biyoai-chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 4px 18px 6px;
    margin: 0;
}

.biyoai-chat-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.04);
    color: var(--vz-secondary, #475569);
    font-weight: 500;
    font-size: 0.9rem;
}

.biyoai-chat-header-actions {
    margin-left: auto;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.biyoai-reset {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--vz-primary, #3E85F2);
    text-decoration: none;
}

.biyoai-reset i {
    font-size: 1rem;
}

.biyoai-view {
    display: flex;
    flex-direction: column;
    min-height: 0;
    flex: 1;
    gap: 0;
    overflow-y: auto;
}

.biyoai-view-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}

.biyoai-footer {
    margin-top: auto;
    padding: 6px 18px 12px;
}

.biyoai-footer .biyoai-chat-status {
    margin: 0 0 6px;
    padding: 4px 12px;
    align-self: flex-start;
}

.biyoai-messages {
    padding: 0 18px 12px;
    background: rgba(15, 23, 42, 0.02);
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.biyoai-avatar {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.biyoai-avatar-image {
    background: transparent !important;
    padding: 0;
    overflow: hidden;
}

.biyoai-avatar-image img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.biyoai-suggested {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 18px;
}

.biyoai-suggested:empty,
.biyoai-quick-actions:empty,
.biyoai-attachment-preview:empty {
    display: none;
}

.biyoai-suggested button,
.biyoai-suggested-btn {
    border-radius: 999px;
    border: 1px solid rgba(var(--vz-primary-rgb, 62, 133, 242), 0.3);
    background: rgba(255, 255, 255, 0.92);
    padding: 8px 14px;
    font-size: 0.82rem;
    color: var(--vz-primary, #3E85F2);
    font-weight: 500;
    transition: background 0.18s ease, transform 0.18s ease;
}

.biyoai-suggested button:hover,
.biyoai-suggested-btn:hover {
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.18);
    transform: translateY(-1px);
}

.biyoai-attachment-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 8px 0;
}

.biyoai-attachment-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.12);
    color: var(--vz-primary, #3E85F2);
    font-size: 0.82rem;
}

.biyoai-emoji-panel {
    display: flex;
    gap: 6px;
    padding: 10px 8px;
    margin: 4px 8px 0;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.biyoai-emoji-option {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: none;
    font-size: 1.1rem;
    background: rgba(15, 23, 42, 0.05);
    transition: transform 0.15s ease;
}

.biyoai-emoji-option:hover {
    transform: translateY(-2px);
}

.biyoai-input-group {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 18px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
    padding: 8px;
    align-items: stretch;
    flex-shrink: 0;
}

.biyoai-textarea {
    border: none;
    padding: 10px 12px;
    resize: none;
    background: transparent;
    color: inherit;
}

.biyoai-textarea:focus {
    outline: none;
    box-shadow: none;
}

.biyoai-bottom-nav {
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    padding: 16px 26px 18px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-shrink: 0;
    margin: 0 6px 6px;
    border-radius: 28px;
    box-shadow: 0 26px 60px rgba(15, 23, 42, 0.16);
}

.biyoai-bottom-item {
    flex: 1;
    border-radius: 16px;
    border: none;
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--vz-secondary, #6b7280);
    padding: 6px 4px;
    transition: background 0.2s ease, color 0.2s ease;
}

.biyoai-bottom-item.is-active {
    background: rgba(var(--vz-primary-rgb, 62, 133, 242), 0.12);
    color: var(--vz-primary, #3E85F2);
}

.customizer-setting.biyoai-toggle-hidden {
    display: none !important;
}

.biyoai-shell-logo .heartbeat-svg {
    width: 100%;
    height: 100%;
}

.biyoai-shell-logo .heartbeat-svg path {
    stroke: #fff;
    stroke-width: 3;
    fill: none;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: heartbeat-draw 2s linear infinite;
}

@media (max-width: 767.98px) {
    .biyoai-shell {
        border-radius: 20px;
        height: 100vh;
        max-height: 100vh;
    }

    .biyoai-shell-body {
        padding: 22px 22px 16px;
    }

    .biyoai-home-grid {
        grid-template-columns: 1fr;
    }

    .biyoai-status-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .biyoai-bottom-nav {
        padding: 12px;
        margin: 18px;
        border-radius: 16px;
    }

    .biyoai-home-actions {
        flex-wrap: wrap;
    }
}
.biyoai-history-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.biyoai-history-search {
    flex: 1;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 999px;
    padding: 6px 14px;
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.biyoai-history-search input:focus {
    outline: none;
    box-shadow: none;
}