.driver-popover {
    background: var(--mud-palette-surface, #ffffff);
    color: var(--mud-palette-text-primary, #1a2b4a);
    border: 1px solid var(--mud-palette-lines-default, rgba(0, 0, 0, 0.08));
    border-radius: 12px;
    box-shadow:
        0 12px 32px -4px rgba(15, 22, 36, 0.18),
        0 4px 12px -2px rgba(15, 22, 36, 0.08);
    padding: 18px 20px 14px;
    max-width: 360px;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    animation: app-tour-fade-in 160ms ease-out;
}

@keyframes app-tour-fade-in {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.driver-popover-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--mud-palette-text-primary, #1a2b4a);
    margin: 0 0 6px;
    padding: 0;
}

.driver-popover-description {
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--mud-palette-text-secondary, #5a6b85);
    margin: 0 0 14px;
}

.driver-popover-progress-text {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--mud-palette-text-secondary, #5a6b85);
    opacity: 0.75;
}

.driver-popover-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 8px;
    padding: 0;
}

.driver-popover-navigation-btns {
    display: inline-flex;
    gap: 8px;
}

.driver-popover-footer .driver-popover-prev-btn,
.driver-popover-footer .driver-popover-next-btn {
    appearance: none;
    cursor: pointer;
    font-family: 'Roboto', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.75;
    letter-spacing: 0.02857em;
    text-transform: uppercase;
    text-shadow: none;
    min-height: 34px;
    padding: 4px 14px;
    border-radius: 10px;
    transition:
        background-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
        color 150ms cubic-bezier(0.4, 0, 0.2, 1),
        border-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.05s ease;
}

.driver-popover-footer .driver-popover-prev-btn:focus-visible,
.driver-popover-footer .driver-popover-next-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--mud-palette-primary, #1565c0) 32%, transparent);
}

.driver-popover-footer .driver-popover-prev-btn:active,
.driver-popover-footer .driver-popover-next-btn:active {
    transform: translateY(1px);
}

.driver-popover-footer .driver-popover-prev-btn {
    background-color: transparent;
    color: var(--mud-palette-primary, #1565c0);
    border: 1px solid color-mix(in srgb, var(--mud-palette-primary, #1565c0) 50%, transparent);
}

.driver-popover-footer .driver-popover-prev-btn:hover,
.driver-popover-footer .driver-popover-prev-btn:focus {
    background-color: color-mix(in srgb, var(--mud-palette-primary, #1565c0) 8%, transparent);
    border-color: var(--mud-palette-primary, #1565c0);
    color: var(--mud-palette-primary, #1565c0);
}

.driver-popover-footer .driver-popover-prev-btn:disabled,
.driver-popover-footer .driver-popover-btn-disabled.driver-popover-prev-btn {
    color: var(--mud-palette-action-disabled, rgba(0, 0, 0, 0.26));
    border-color: var(--mud-palette-action-disabled-background, rgba(0, 0, 0, 0.12));
    background-color: transparent;
    cursor: not-allowed;
    pointer-events: none;
}

.driver-popover-footer .driver-popover-next-btn {
    background-color: var(--mud-palette-primary, #1565c0);
    color: var(--mud-palette-primary-text, #ffffff);
    border: 1px solid var(--mud-palette-primary, #1565c0);
    box-shadow:
        0 3px 1px -2px rgba(0, 0, 0, 0.2),
        0 2px 2px 0 rgba(0, 0, 0, 0.14),
        0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

.driver-popover-footer .driver-popover-next-btn:hover,
.driver-popover-footer .driver-popover-next-btn:focus {
    background-color: var(--mud-palette-primary-darken, #0e4f9f);
    border-color: var(--mud-palette-primary-darken, #0e4f9f);
    color: var(--mud-palette-primary-text, #ffffff);
    box-shadow:
        0 2px 4px -1px rgba(0, 0, 0, 0.2),
        0 4px 5px 0 rgba(0, 0, 0, 0.14),
        0 1px 10px 0 rgba(0, 0, 0, 0.12);
}

.driver-popover-close-btn {
    width: 28px;
    height: 28px;
    line-height: 26px;
    font-size: 18px;
    color: var(--mud-palette-text-secondary, #5a6b85);
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
    text-shadow: none;
    top: 8px;
    right: 8px;
}

.driver-popover-close-btn:hover {
    background: var(--mud-palette-action-default-hover, rgba(0, 0, 0, 0.06));
    color: var(--mud-palette-text-primary, #1a2b4a);
}

.driver-popover-arrow-side-top.driver-popover-arrow {
    border-top-color: var(--mud-palette-surface, #ffffff);
}
.driver-popover-arrow-side-bottom.driver-popover-arrow {
    border-bottom-color: var(--mud-palette-surface, #ffffff);
}
.driver-popover-arrow-side-left.driver-popover-arrow {
    border-left-color: var(--mud-palette-surface, #ffffff);
}
.driver-popover-arrow-side-right.driver-popover-arrow {
    border-right-color: var(--mud-palette-surface, #ffffff);
}

.driver-overlay {
    fill: rgba(15, 22, 36, 0.55);
    transition: fill 0.2s ease;
}

html[data-theme="dark"] .driver-overlay {
    fill: rgba(0, 0, 0, 0.72);
}

.driver-active-element {
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.35), 0 0 0 6px rgba(21, 101, 192, 0.15) !important;
    border-radius: 6px;
    transition: box-shadow 0.2s ease;
}

html[data-theme="dark"] .driver-active-element {
    box-shadow: 0 0 0 3px rgba(102, 178, 255, 0.45), 0 0 0 6px rgba(102, 178, 255, 0.18) !important;
}

body:has(.tour-model-dialog) .mud-overlay,
body:has(.tour-model-dialog) .mud-overlay-dialog,
body:has(.tour-partner-dialog) .mud-overlay,
body:has(.tour-partner-dialog) .mud-overlay-dialog {
    background-color: transparent !important;
}

body:has(.tour-model-dialog) .driver-overlay,
body:has(.tour-partner-dialog) .driver-overlay {
    fill: transparent !important;
}

body:has(.tour-model-dialog) .driver-active-element,
body:has(.tour-partner-dialog) .driver-active-element {
    box-shadow:
        0 0 0 3px var(--mud-palette-primary, #1565c0),
        0 0 0 6px color-mix(in srgb, var(--mud-palette-primary, #1565c0) 30%, transparent) !important;
}