.ai3d-right-card {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    width: auto;
    padding: 8px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(180deg, rgba(12, 18, 28, 0.96), rgba(8, 12, 20, 0.96));
    box-shadow: inset 0 0 0 1px rgba(77, 103, 149, 0.08);
}

.ai3d-right-card--format {
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.ai3d-history-sidebar {
    display: flex;
    flex-direction: column;
    width: 220px;
    height: 100%;
    min-height: 0;
    overflow: hidden;
    border: 1px solid rgba(68, 132, 221, 0.6);
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(10, 22, 42, 0.96), rgba(5, 13, 26, 0.98));
    box-shadow: inset 0 0 0 1px rgba(103, 157, 235, 0.1), 0 22px 42px rgba(0, 8, 22, 0.28);
    color: #d9eaff;
}

.ai3d-history-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 auto;
    min-height: 52px;
    padding: 11px 12px 10px;
    border-bottom: 1px solid rgba(78, 133, 205, 0.34);
}

.ai3d-history-sidebar-header strong {
    color: #f1f7ff;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.2;
}

.ai3d-history-sidebar-actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.ai3d-history-sidebar-actions span {
    min-width: 28px;
    height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(54, 106, 194, 0.44);
    color: #a9d7ff;
    font-size: 12px;
    line-height: 22px;
    text-align: center;
}

.ai3d-history-refresh-btn {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(108, 164, 241, 0.32);
    border-radius: 999px;
    background: rgba(12, 28, 52, 0.74);
    color: #c9e5ff;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.ai3d-history-refresh-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(105, 199, 255, 0.72);
    background: rgba(28, 70, 122, 0.78);
}

.ai3d-history-refresh-btn[disabled] {
    cursor: wait;
    opacity: 0.66;
}

.ai3d-history-refresh-btn:focus-visible {
    outline: none;
    border-color: rgba(122, 190, 255, 0.62);
    box-shadow: 0 0 0 3px rgba(66, 139, 255, 0.18);
}

.ai3d-history-sidebar .ai3d-task-history-panel {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.ai3d-history-sidebar .ai3d-task-history-panel[hidden] {
    display: flex !important;
}

.ai3d-history-sidebar .ai3d-task-history-status {
    flex: 0 0 auto;
    padding: 9px 10px 0;
    color: rgba(180, 204, 236, 0.82);
    font-size: 12px;
    line-height: 1.45;
}

.ai3d-history-sidebar .ai3d-task-history-list {
    display: grid;
    flex: 1 1 auto;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 8px;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    padding: 10px 8px 12px;
    scrollbar-width: thin;
    scrollbar-color: rgba(83, 145, 220, 0.58) rgba(7, 18, 34, 0.24);
}

.ai3d-history-sidebar .ai3d-task-history-list::-webkit-scrollbar {
    width: 6px;
}

.ai3d-history-sidebar .ai3d-task-history-list::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(83, 145, 220, 0.58);
}

.ai3d-right-card-label {
    margin-bottom: 8px;
    color: #b5c5df;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ai3d-right-card-help {
    margin-top: 8px;
    color: #7e8cab;
    font-size: 12px;
    line-height: 1.65;
}

.ai3d-download-status {
    max-width: 320px;
    min-height: 0;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    background: rgba(9, 15, 26, 0.82);
    color: #dce8ff;
    font-size: 12px;
    line-height: 1.55;
    text-align: right;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
}

.ai3d-right-dock .ai3d-download-status {
    position: absolute;
    right: calc(100% + 10px);
    bottom: 0;
    width: max-content;
    max-width: min(320px, calc(100vw - 180px));
    pointer-events: none;
}

.ai3d-download-status:empty {
    display: none;
}

.ai3d-download-status .ok {
    color: #9ff0b4;
}

.ai3d-download-status .err {
    color: #ffb3a8;
}

.ai3d-download-status .tip {
    color: #a9b7d1;
}

.ai3d-format-dropdown {
    position: relative;
    width: auto;
}

.ai3d-right-card--format .ai3d-format-dropdown {
    width: auto;
}

.ai3d-format-trigger {
    /* AI3D_BUTTON_VISIBILITY_GUARD */
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 6px;
    width: 108px;
    min-height: 46px;
    padding: 0 10px;
    border: 1px solid rgba(255, 228, 135, 0.72);
    border-radius: 12px;
    background: linear-gradient(135deg, #f0c65a 0%, #f6dc8d 100%);
    color: #141008;
    font-size: 15px;
    box-shadow: 0 18px 38px rgba(236, 190, 82, 0.36);
}

.ai3d-format-trigger:focus-visible,
.ai3d-format-option:focus-visible {
    outline: none;
    border-color: rgba(122, 190, 255, 0.62);
    box-shadow: 0 0 0 3px rgba(66, 139, 255, 0.18);
}

.ai3d-right-card--format .ai3d-format-trigger {
    width: 112px;
    min-height: 58px;
    padding: 0 14px;
    gap: 8px;
    border-radius: 16px;
}

.ai3d-format-trigger-text {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-align: left;
}

.ai3d-right-card--format .ai3d-format-trigger-text {
    font-size: 15px;
}

.ai3d-format-trigger-caret {
    width: 10px;
    height: 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 0.2s ease;
}

.ai3d-format-dropdown.is-open .ai3d-format-trigger-caret {
    transform: rotate(-135deg) translateY(-1px);
}

.ai3d-format-menu {
    position: absolute;
    right: 0;
    bottom: calc(100% + 8px);
    z-index: 6;
    display: grid;
    gap: 6px;
    width: 170px;
    padding: 10px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(12, 18, 28, 0.98), rgba(8, 12, 20, 0.98));
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.34);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.ai3d-format-menu[hidden] {
    display: none !important;
}

.ai3d-format-option {
    min-height: 44px;
    padding: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    background: rgba(17, 24, 36, 0.96);
    color: #dbe8ff;
    font-size: 14px;
    text-align: left;
}

.ai3d-format-option:hover {
    border-color: rgba(112, 171, 255, 0.42);
    background: rgba(28, 40, 61, 0.98);
}

.ai3d-format-option.active {
    border-color: rgba(112, 171, 255, 0.48);
    background: linear-gradient(135deg, rgba(41, 97, 255, 0.9), rgba(76, 198, 255, 0.86));
    color: #fff;
}

.ai3d-upload-limit-modal {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.ai3d-upload-limit-modal[hidden] {
    display: none !important;
}

.ai3d-upload-limit-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 8, 16, 0.68);
}

.ai3d-upload-limit-dialog {
    position: relative;
    width: min(420px, calc(100vw - 32px));
    padding: 22px 22px 18px;
    border: 1px solid rgba(255, 214, 125, 0.28);
    border-radius: 18px;
    background: linear-gradient(180deg, var(--ai3d-theme-popup, rgba(16, 22, 34, 0.98)), var(--ai3d-theme-panel, rgba(9, 14, 24, 0.98)));
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
    color: var(--ai3d-theme-fg, #edf4ff);
}

.ai3d-upload-limit-eyebrow {
    margin-bottom: 10px;
    color: var(--ai3d-theme-accent, #f6cf73);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ai3d-upload-limit-title {
    margin: 0;
    color: inherit;
    font-size: 24px;
    line-height: 1.22;
}

.ai3d-upload-limit-message {
    margin: 12px 0 0;
    color: var(--ai3d-theme-muted, #bfd0eb);
    font-size: 14px;
    line-height: 1.75;
}

.ai3d-upload-limit-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 20px;
}

.ai3d-upload-limit-confirm,
.ai3d-upload-limit-close {
    border: 1px solid rgba(255, 214, 125, 0.3);
    border-radius: 12px;
    cursor: pointer;
}

.ai3d-upload-limit-confirm {
    min-width: 112px;
    min-height: 44px;
    padding: 0 18px;
    background: linear-gradient(135deg, #f0c65a 0%, #f6dc8d 100%);
    color: #171108;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 14px 30px rgba(236, 190, 82, 0.24);
}

.ai3d-upload-limit-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
    padding: 0;
    background: rgba(255, 255, 255, 0.04);
    color: var(--ai3d-theme-muted, #bfd0eb);
    font-size: 24px;
    line-height: 1;
}

.ai3d-upload-limit-confirm:hover,
.ai3d-upload-limit-confirm:focus-visible,
.ai3d-upload-limit-close:hover,
.ai3d-upload-limit-close:focus-visible {
    outline: none;
    transform: translateY(-1px);
    box-shadow: 0 0 0 3px rgba(66, 139, 255, 0.18);
}