/* Fluent OS OOBE */
#oobe-screen {
    --oobe-ease: cubic-bezier(0.16, 1, 0.3, 1);
    --oobe-panel-bg: rgba(248, 250, 253, 0.72);
    --oobe-panel-border: rgba(255, 255, 255, 0.68);
    --oobe-control-bg: rgba(255, 255, 255, 0.62);
    --oobe-control-hover: rgba(255, 255, 255, 0.84);
    --oobe-tilt-x: 0deg;
    --oobe-tilt-y: 0deg;
    --oobe-tilt-shift-x: 0px;
    --oobe-tilt-shift-y: 0px;
    z-index: 980;
    display: grid;
    place-items: center;
    overflow: hidden;
    isolation: isolate;
    color: var(--text-primary);
}

#oobe-screen.oobe-theme-light {
    --bg-primary: #f5f5f5;
    --bg-secondary: rgba(255, 255, 255, 0.72);
    --bg-tertiary: rgba(255, 255, 255, 0.52);
    --text-primary: #1f1f1f;
    --text-secondary: #5f6368;
    --text-tertiary: #858b94;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(22, 31, 46, 0.1);
    --shadow-md: 0 8px 24px rgba(22, 31, 46, 0.14);
    --shadow-xl: 0 24px 70px rgba(22, 31, 46, 0.22);
}

#oobe-screen.dark-mode {
    --oobe-panel-bg: rgba(25, 27, 33, 0.74);
    --oobe-panel-border: rgba(255, 255, 255, 0.14);
    --oobe-control-bg: rgba(255, 255, 255, 0.075);
    --oobe-control-hover: rgba(255, 255, 255, 0.12);
    --bg-primary: #202124;
    --bg-secondary: rgba(30, 32, 38, 0.78);
    --bg-tertiary: rgba(255, 255, 255, 0.08);
    --text-primary: #f4f5f7;
    --text-secondary: #b7bbc3;
    --text-tertiary: #8d929c;
    --border-color: rgba(255, 255, 255, 0.12);
}

/* OOBE owns its theme independently from the desktop body theme. */
#oobe-screen.dark-mode .fluent-setting-item,
#oobe-screen.dark-mode .oobe-option-btn,
#oobe-screen.dark-mode .oobe-setting-card,
#oobe-screen.dark-mode .oobe-custom-color-row,
#oobe-screen.dark-mode .oobe-avatar-item {
    border-color: rgba(255, 255, 255, 0.12) !important;
    background-color: rgba(255, 255, 255, 0.075) !important;
    background-image: none !important;
    color: var(--text-primary);
    box-shadow: none;
}

#oobe-screen.dark-mode .fluent-setting-item:hover,
#oobe-screen.dark-mode .oobe-option-btn:hover {
    background-color: rgba(255, 255, 255, 0.12) !important;
}

#oobe-screen.dark-mode .oobe-option-btn.active {
    border-color: var(--accent) !important;
    background-color: rgba(var(--accent-rgb, 0, 120, 212), 0.2) !important;
}

#oobe-screen.dark-mode .fluent-segmented,
#oobe-screen.dark-mode .fluent-input-wrapper,
#oobe-screen.dark-mode .fluent-select-trigger,
#oobe-screen.dark-mode .oobe-input {
    border-color: rgba(255, 255, 255, 0.13) !important;
    background: rgba(255, 255, 255, 0.08) !important;
    color: var(--text-primary) !important;
}

#oobe-screen.dark-mode .fluent-segmented-slider {
    background: rgba(255, 255, 255, 0.14);
}

#oobe-screen.dark-mode .fluent-btn-secondary::before {
    background: rgba(55, 55, 60, 0.72);
    border-color: rgba(255, 255, 255, 0.14);
}

#oobe-screen.dark-mode .oobe-actions img,
#oobe-screen.dark-mode .oobe-option-check,
#oobe-screen.dark-mode .fluent-btn-secondary .fluent-btn-icon {
    filter: brightness(0) invert(1);
}

/* Dialogs are appended to body, so they need an explicit OOBE theme bridge. */
body.oobe-dark-dialog-mode .fluent-dialog {
    background: rgba(26, 28, 34, 0.94) !important;
    border-color: rgba(255, 255, 255, 0.14) !important;
    color: #f4f5f7;
    box-shadow: 0 24px 72px rgba(0, 0, 0, 0.56) !important;
}

body.oobe-dark-dialog-mode .fluent-dialog-title { color: #f4f5f7; }
body.oobe-dark-dialog-mode .fluent-dialog-content { color: #b7bbc3; }
body.oobe-dark-dialog-mode .fluent-dialog-footer { border-top-color: rgba(255, 255, 255, 0.09) !important; }
body.oobe-dark-dialog-mode .fluent-dialog .fluent-btn-secondary::before { background: rgba(255, 255, 255, 0.1); }
body.oobe-dark-dialog-mode .fluent-input-dialog-input {
    border-color: rgba(255, 255, 255, 0.15) !important;
    background: rgba(255, 255, 255, 0.09) !important;
    color: #f4f5f7;
}

body.oobe-dark-dialog-mode .fluent-select-dropdown {
    border-color: rgba(255, 255, 255, 0.12) !important;
    background: rgba(34, 36, 43, 0.94) !important;
    color: #f4f5f7;
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.48) !important;
}

body.oobe-dark-dialog-mode .fluent-select-option { color: #f4f5f7; }
body.oobe-dark-dialog-mode .fluent-select-option:hover { background: rgba(255, 255, 255, 0.1); }
body.oobe-dark-dialog-mode .fluent-select-option.selected { background: var(--accent); color: #fff; }

body.oobe-dark-dialog-mode .fluent-toast {
    border-color: rgba(255, 255, 255, 0.12) !important;
    background: rgba(28, 30, 36, 0.9) !important;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.46) !important;
}

body.oobe-dark-dialog-mode .fluent-toast-title { color: #f4f5f7; }
body.oobe-dark-dialog-mode .fluent-toast-message { color: #b7bbc3; }

.oobe-background,
.oobe-background-mask {
    position: absolute;
    inset: 0;
}

.oobe-background {
    background-position: center;
    background-size: cover;
    transform: scale(1.08);
    filter: saturate(0.94);
    transition: filter 1500ms cubic-bezier(0.16, 1, 0.3, 1), transform 1700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.oobe-background-mask {
    z-index: 0;
    background: rgba(233, 239, 246, 0.22);
    backdrop-filter: blur(13px) saturate(125%);
    -webkit-backdrop-filter: blur(13px) saturate(125%);
    transition: background-color 1400ms ease, backdrop-filter 1500ms cubic-bezier(0.16, 1, 0.3, 1);
}

.dark-mode .oobe-background-mask {
    background: rgba(8, 10, 16, 0.48);
}

.oobe-shell {
    position: relative;
    z-index: 1;
    width: min(90vw, 1708px);
    height: min(83vh, 896px);
    min-height: 610px;
    perspective: 1400px;
}

.oobe-card {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--oobe-panel-border);
    border-radius: 34px;
    background: var(--oobe-panel-bg);
    box-shadow: 0 34px 90px rgba(23, 34, 52, 0.3);
    backdrop-filter: blur(30px) saturate(155%);
    -webkit-backdrop-filter: blur(30px) saturate(155%);
    transition: background-color 420ms ease, border-color 420ms ease;
    transform-origin: 50% 50%;
}

#oobe-screen.oobe-completing .oobe-background {
    transform: scale(1.16);
    filter: blur(18px) saturate(1.08) brightness(0.72);
}

#oobe-screen.oobe-completing .oobe-background-mask {
    background: rgba(19, 28, 45, 0.34);
    backdrop-filter: blur(29px) saturate(145%);
    -webkit-backdrop-filter: blur(29px) saturate(145%);
}

#oobe-screen.oobe-completing .oobe-shell {
    pointer-events: none;
}

#oobe-screen.oobe-completing .oobe-card {
    animation: oobe-card-complete-out 820ms cubic-bezier(0.7, 0, 0.84, 0) both;
}

@keyframes oobe-card-complete-out {
    0% { opacity: 1; transform: translate3d(0, 0, 0) scale(1); filter: blur(0); }
    58% { opacity: 0.7; transform: translate3d(0, 0, 0) scale(0.48); filter: blur(1px); }
    100% { opacity: 0; transform: translate3d(0, 0, 0) scale(0.035); filter: blur(7px); }
}

.oobe-completion {
    position: absolute;
    z-index: 3;
    inset: 0;
    display: grid;
    place-items: center;
    overflow: hidden;
    visibility: hidden;
    pointer-events: none;
}

#oobe-screen.oobe-completing .oobe-completion { visibility: visible; }

.oobe-completion-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: clamp(68px, 10vh, 112px);
    text-align: center;
}

.oobe-completion-title {
    margin: 0;
    color: #fff;
    font-size: clamp(56px, 8.4vw, 138px);
    font-weight: 720;
    line-height: 1;
    letter-spacing: 0.12em;
    text-indent: 0.12em;
    opacity: 0;
    transform: translate3d(0, 26px, 0) scale(0.04);
    filter: blur(16px);
    text-shadow: 0 5px 30px rgba(0, 0, 0, 0.28), 0 0 52px rgba(var(--accent-rgb, 0, 120, 212), 0.5);
}

#oobe-screen.oobe-completion-visible .oobe-completion-title {
    animation: oobe-completion-title-in 1050ms cubic-bezier(0.16, 1.42, 0.32, 1) both;
}

@keyframes oobe-completion-title-in {
    0% { opacity: 0; transform: translate3d(0, 28px, 0) scale(0.04); filter: blur(16px); letter-spacing: -0.08em; }
    58% { opacity: 1; transform: translate3d(0, -8px, 0) scale(1.08); filter: blur(0); }
    78% { transform: translate3d(0, 3px, 0) scale(0.97); }
    100% { opacity: 1; transform: translate3d(0, 0, 0) scale(1); filter: blur(0); letter-spacing: 0.12em; }
}

.oobe-completion-button {
    min-width: 148px;
    height: 48px;
    padding: 0 28px;
    border: 1px solid rgba(255, 255, 255, 0.34);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.88);
    color: #152033;
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.22), inset 0 1px rgba(255, 255, 255, 0.8);
    font: inherit;
    font-size: 15px;
    font-weight: 650;
    opacity: 0;
    cursor: pointer;
    pointer-events: none;
    transform: translateY(18px) scale(0.92);
    backdrop-filter: blur(18px);
    transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

#oobe-screen.oobe-completion-visible .oobe-completion-button {
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: oobe-completion-button-in 620ms 500ms cubic-bezier(0.16, 1, 0.3, 1) backwards;
    pointer-events: auto;
}

.oobe-completion-button:hover { transform: translateY(-2px) scale(1.025); background: #fff; }
.oobe-completion-button:active { transform: translateY(0) scale(0.975); }
.oobe-completion-button:focus-visible { outline: 3px solid rgba(var(--accent-rgb, 0, 120, 212), 0.72); outline-offset: 4px; }
.oobe-completion-button:disabled { pointer-events: none; opacity: 0.55 !important; }

@keyframes oobe-completion-button-in {
    from { opacity: 0; transform: translateY(18px) scale(0.92); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.oobe-completion-glow {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(70vw, 900px);
    aspect-ratio: 1;
    border-radius: 50%;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.05);
    background: radial-gradient(circle, rgba(var(--accent-rgb, 0, 120, 212), 0.3) 0, rgba(var(--accent-rgb, 0, 120, 212), 0.08) 34%, transparent 70%);
}

#oobe-screen.oobe-completion-visible .oobe-completion-glow {
    animation: oobe-completion-glow-in 1500ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes oobe-completion-glow-in {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.05); }
    45% { opacity: 1; }
    100% { opacity: 0.72; transform: translate(-50%, -50%) scale(1); }
}

.oobe-completion-particles {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
}

#oobe-screen.oobe-completion-visible .oobe-completion-particles { opacity: 1; }

/* Completion scene -> desktop: both layers meet through a progressive depth blur. */
#oobe-screen.oobe-leaving {
    pointer-events: none;
    transform-origin: center;
    will-change: opacity, filter, transform;
    animation: oobe-screen-leave-to-desktop 1000ms cubic-bezier(0.32, 0, 0.12, 1) both;
}

#desktop-screen.oobe-desktop-entering {
    transform-origin: center;
    will-change: opacity, filter, transform;
    animation: oobe-desktop-emerge 1000ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes oobe-screen-leave-to-desktop {
    0% {
        opacity: 1;
        filter: blur(0) saturate(1);
        transform: scale(1);
    }
    38% {
        opacity: 0.92;
        filter: blur(2px) saturate(1.02);
        transform: scale(1.004);
    }
    72% {
        opacity: 0.38;
        filter: blur(14px) saturate(0.92);
        transform: scale(1.022);
    }
    100% {
        opacity: 0;
        filter: blur(30px) saturate(0.78);
        transform: scale(1.045);
    }
}

@keyframes oobe-desktop-emerge {
    0% {
        opacity: 0;
        filter: blur(30px) saturate(0.78) brightness(0.76);
        transform: scale(1.05);
    }
    36% {
        opacity: 0.32;
        filter: blur(19px) saturate(0.86) brightness(0.84);
        transform: scale(1.031);
    }
    72% {
        opacity: 0.9;
        filter: blur(4px) saturate(0.98) brightness(0.98);
        transform: scale(1.006);
    }
    100% {
        opacity: 1;
        filter: blur(0) saturate(1) brightness(1);
        transform: scale(1);
    }
}

.dark-mode .oobe-card {
    box-shadow: 0 36px 100px rgba(0, 0, 0, 0.5);
}

.oobe-step {
    position: absolute;
    inset: 42px 64px 42px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(22px) scale(0.988);
    pointer-events: none;
    transition: opacity 420ms var(--oobe-ease), transform 460ms var(--oobe-ease), visibility 0s linear 460ms;
}

.oobe-step.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
    transition-delay: 0s;
}

.oobe-step-layout,
.oobe-welcome-layout {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
    gap: 58px;
    width: 100%;
    height: 100%;
    min-height: 0;
}

.oobe-visual,
.oobe-welcome-visual {
    position: relative;
    display: grid;
    min-width: 0;
    min-height: 0;
    place-items: center;
    perspective: 1100px;
}

.oobe-illustration {
    display: block;
    width: min(86%, 620px);
    max-height: 76%;
    object-fit: contain;
    transform-origin: center;
}

.oobe-tilt-target {
    transform: none;
    transform-style: preserve-3d;
    will-change: transform;
}

#oobe-screen.oobe-tilt-active .oobe-tilt-target {
    transform: translate3d(var(--oobe-tilt-shift-x), var(--oobe-tilt-shift-y), 0)
        rotateX(var(--oobe-tilt-x)) rotateY(var(--oobe-tilt-y));
}

.oobe-panel,
.oobe-welcome-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
}

.oobe-panel-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    padding: 28px 14px 18px 4px;
    scrollbar-width: thin;
    scrollbar-color: rgba(var(--accent-rgb, 0, 120, 212), 0.4) transparent;
}

.oobe-panel h1 {
    margin: 0 0 12px;
    color: var(--text-primary);
    font-size: 38px;
    font-weight: 720;
    line-height: 1.16;
    letter-spacing: 0;
}

.oobe-panel > .oobe-panel-scroll > p {
    max-width: 620px;
    margin: 0 0 28px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.65;
}

.oobe-actions {
    flex: 0 0 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 2px 0 4px;
}

#oobe-screen .fluent-btn,
#oobe-screen .fluent-icon-btn {
    flex-shrink: 0;
}

#oobe-screen .fluent-btn {
    min-height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
}

#oobe-screen .fluent-btn-small {
    min-height: 32px;
    padding: 0 12px;
    font-size: 12px;
}

#oobe-screen .fluent-btn-primary {
    border-color: var(--accent) !important;
    background: var(--accent) !important;
    color: #fff !important;
    box-shadow: 0 8px 20px rgba(var(--accent-rgb, 0, 120, 212), 0.24);
}

#oobe-screen .fluent-btn-primary:hover:not(:disabled) {
    filter: brightness(1.05);
    transform: translateY(-1px);
}

#oobe-screen .fluent-btn-secondary {
    border-color: var(--border-color) !important;
    background: var(--oobe-control-bg) !important;
    color: var(--text-primary) !important;
}

#oobe-screen .oobe-actions > .fluent-icon-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    background: var(--oobe-control-bg);
}

#oobe-screen .oobe-actions > .fluent-icon-btn:hover {
    background: var(--oobe-control-hover);
}

#oobe-screen .oobe-actions > .fluent-icon-btn img {
    width: 18px;
    height: 18px;
}

#oobe-screen .fluent-btn-primary .fluent-btn-icon {
    filter: brightness(0) invert(1);
}

#oobe-screen .fluent-btn.is-disabled,
#oobe-screen .fluent-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Unified forward action. It deliberately matches the 40px back button. */
.oobe-next-button {
    position: relative;
    isolation: isolate;
    display: grid;
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    padding: 0;
    place-items: center;
    overflow: hidden;
    border: 0;
    border-radius: 50%;
    outline: 0;
    background: var(--accent);
    box-shadow: none;
    cursor: pointer;
    transition: opacity 280ms ease, box-shadow 220ms ease, filter 220ms ease;
}

.oobe-next-button::before {
    display: none;
}

.oobe-next-button::after {
    display: none;
}

.oobe-next-button img {
    position: relative;
    z-index: 2;
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
}

.oobe-next-button:hover:not(:disabled) {
    filter: brightness(1.07);
    box-shadow: none;
}

.oobe-next-button:active:not(:disabled) {
    filter: brightness(0.96);
}

.oobe-next-button:focus-visible {
    box-shadow: 0 0 0 3px var(--bg-primary), 0 0 0 5px rgba(var(--accent-rgb, 0, 120, 212), 0.5);
}

.oobe-next-button.is-disabled,
.oobe-next-button:disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

/* Welcome */
.oobe-step[data-step="0"] {
    inset: 42px 70px 50px;
}

.oobe-welcome-visual {
    position: absolute;
    inset: 0;
    overflow: visible;
}

.oobe-welcome-logo {
    width: min(24vw, 200px);
    min-width: 160px;
    aspect-ratio: 1;
    object-fit: contain;
    opacity: 0;
    animation: oobeLogoFallback 820ms var(--oobe-ease) 80ms forwards;
    transform-origin: center;
    will-change: transform;
}

.oobe-welcome-logo.oobe-logo-bridged {
    opacity: 1;
    animation: none;
}

.oobe-welcome-logo.oobe-logo-bridging,
.oobe-welcome-logo.oobe-logo-bridge-target {
    opacity: 0 !important;
    animation: none !important;
}

.oobe-welcome-logo.oobe-logo-shift-left {
    opacity: 1;
    animation: none;
    transform: translateX(var(--oobe-logo-brand-shift, -210px));
    transition: transform 880ms var(--oobe-ease);
}

.oobe-welcome-logo.oobe-logo-shift-left.oobe-logo-welcome-position {
    transform: translateX(var(--oobe-logo-welcome-shift, -184px));
    transition-duration: 520ms;
}

.oobe-logo-bridge {
    position: fixed;
    z-index: 2005;
    object-fit: contain;
    pointer-events: none;
    will-change: left, top, width, height;
}

.oobe-welcome-copy {
    position: absolute;
    z-index: 7;
    top: 50%;
    right: auto;
    left: calc(50% - 70px);
    width: min(52vw, 760px);
    display: block;
    height: 220px;
    padding: 0;
    transform: translateY(-50%);
    pointer-events: none;
}

.oobe-welcome-brand {
    position: absolute;
    z-index: 8;
    top: 43%;
    left: 0;
    right: auto;
    width: 100%;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    clip-path: inset(0 100% 0 0);
    transform: translate3d(-12px, -50%, 0);
    transform-origin: left center;
    text-align: left;
    will-change: clip-path, opacity, transform;
}

.oobe-welcome-brand span {
    position: relative;
    display: block;
    padding: 12px 10px;
    background-image:
        linear-gradient(105deg, transparent 34%, rgba(255, 255, 255, 0.96) 48%, rgba(255, 255, 255, 0.22) 57%, transparent 68%),
        url('../Theme/Qingshan_lake/00_complete_scene_transparent_no_credit.png');
    background-position: 180% 50%, center 52%;
    background-size: 230% 100%, cover;
    background-repeat: no-repeat;
    color: transparent;
    font-size: min(7.2vw, 112px);
    font-weight: 780;
    line-height: 1.08;
    letter-spacing: -0.025em;
    white-space: nowrap;
    -webkit-background-clip: text;
    background-clip: text;
    filter: saturate(1.16) contrast(1.04);
}

.oobe-welcome-brand.is-english span {
    font-size: clamp(42px, 4.1vw, 68px);
}

.oobe-welcome-brand.is-revealing {
    animation: oobeBrandReveal 760ms var(--oobe-ease) forwards;
}

.oobe-welcome-brand.is-revealing span {
    animation: oobeBrandTextShine 760ms ease-out 500ms forwards;
}

.oobe-welcome-brand.is-transforming {
    animation: oobeBrandToWelcome 460ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.oobe-welcome-brand.is-finished {
    visibility: hidden;
    opacity: 0 !important;
}

.oobe-welcome-text {
    position: absolute;
    z-index: 9;
    top: 50%;
    left: 0;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    min-height: 82px;
    color: var(--text-primary);
    font-size: min(12vw, 100px);
    font-weight: 760;
    line-height: 1;
    letter-spacing: 0;
    opacity: 0;
    transform: translateY(-50%);
    transition: opacity 280ms ease;
}

.oobe-welcome-text.oobe-welcome-text-show {
    opacity: 1;
}

.oobe-welcome-letter {
    display: inline-block;
    opacity: 0;
    animation: oobeLetterBounceIn 480ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.oobe-welcome-letter.oobe-welcome-letter-out {
    animation: oobeLetterBounceOut 320ms cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

.oobe-welcome-continue {
    position: absolute;
    z-index: 10;
    bottom: 14px;
    left: 50%;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.02em;
    opacity: 0;
    pointer-events: none;
    transform: translate3d(-50%, 10px, 0);
    white-space: nowrap;
}

.oobe-welcome-continue.is-visible {
    opacity: 1;
    animation: oobeContinueHintIn 520ms var(--oobe-ease) both,
        oobeContinueHintBounce 1.8s ease-in-out 520ms infinite;
}

.oobe-step[data-step="0"].active,
.oobe-card:has(.oobe-step[data-step="0"].active) {
    cursor: pointer;
}

/* Language */
.oobe-language-options {
    display: grid;
    gap: 12px;
    width: min(100%, 640px);
}

.oobe-option-btn {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 24px;
    align-items: center;
    gap: 14px;
    min-height: 76px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--oobe-control-bg);
    color: var(--text-primary);
    text-align: left;
    transition: border-color 180ms ease, background-color 180ms ease, transform 280ms var(--oobe-ease), box-shadow 180ms ease;
}

.oobe-option-btn:hover {
    background: var(--oobe-control-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.oobe-option-btn.active {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.12);
}

.oobe-language-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 8px;
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.12);
    color: var(--accent);
    font-size: 17px;
    font-weight: 700;
}

.oobe-option-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.oobe-option-title {
    font-size: 16px;
    font-weight: 650;
}

.oobe-option-desc {
    color: var(--text-secondary);
    font-size: 12px;
}

.oobe-option-check {
    width: 20px;
    height: 20px;
    opacity: 0;
    transform: scale(0.7);
    transition: opacity 180ms ease, transform 280ms var(--oobe-ease);
}

.oobe-option-btn.active .oobe-option-check {
    opacity: 1;
    transform: scale(1);
}

/* Theme controls */
.oobe-setting-block {
    margin-bottom: 24px;
}

.oobe-setting-title {
    margin-bottom: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 650;
}

.oobe-theme-segmented {
    box-sizing: border-box;
    width: min(100%, 244px);
    min-height: 44px;
}

.oobe-theme-segmented .fluent-segmented-item {
    flex: 1 1 50%;
    padding-inline: 12px;
}

.oobe-theme-segmented .fluent-segmented-slider {
    width: calc(50% - 4px) !important;
}

.oobe-wallpaper-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.oobe-wallpaper-status {
    min-height: 18px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 12px;
}

.oobe-wallpaper-status.error,
.oobe-inline-status.error {
    color: #d13438;
}

.oobe-wallpaper-status.success {
    color: #107c10;
}

.oobe-wallpaper-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
}

.oobe-wallpaper-grid button {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 8px;
    background: var(--oobe-control-bg);
    box-shadow: var(--shadow-sm);
    transition: border-color 180ms ease, transform 260ms var(--oobe-ease);
}

.oobe-wallpaper-grid button:hover {
    transform: translateY(-2px);
}

.oobe-wallpaper-grid button.selected {
    border-color: var(--accent);
}

.oobe-wallpaper-grid img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.oobe-setting-card,
.oobe-custom-color-row {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 68px;
    margin-bottom: 10px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--oobe-control-bg);
}

.oobe-setting-card > div:first-child,
.oobe-custom-color-row > div:first-child {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.oobe-setting-card strong,
.oobe-custom-color-row strong {
    color: var(--text-primary);
    font-size: 14px;
}

.oobe-setting-card span,
.oobe-custom-color-row span {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

/* FluentWindow live preview */
.oobe-preview-visual {
    padding: 2%;
}

.oobe-system-preview {
    position: relative;
    container-type: inline-size;
    container-name: oobe-preview;
    width: min(100%, 720px);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.42);
    border-radius: 18px;
    background: #dfe5ea;
    box-shadow: 0 24px 54px rgba(17, 26, 39, 0.24);
    color: #23262b;
    transform-origin: center;
    transition: transform 90ms linear, box-shadow 220ms ease;
}

.oobe-preview-wallpaper {
    position: absolute;
    inset: 0;
    background-position: center;
    background-size: cover;
    transition: background-image 300ms ease;
}

.oobe-preview-app-window {
    position: absolute;
    inset: 5% 4% 4%;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.52);
    border-radius: 13px;
    background: rgba(249, 250, 252, 0.78);
    box-shadow: 0 18px 42px rgba(12, 23, 39, 0.24);
    backdrop-filter: blur(24px) saturate(155%);
    -webkit-backdrop-filter: blur(24px) saturate(155%);
    transition: background-color 320ms ease;
}

.oobe-system-preview.window-blur-on .oobe-preview-app-window {
    background: rgba(249, 250, 252, 0.66);
}

.oobe-system-preview.window-blur-off .oobe-preview-app-window {
    background: rgba(238, 240, 243, 0.72);
}

.oobe-system-preview.is-dark .oobe-preview-app-window {
    border-color: rgba(255, 255, 255, 0.13);
    background: rgba(28, 30, 36, 0.76);
    color: #f2f3f5;
}

.oobe-system-preview.is-dark.window-blur-off .oobe-preview-app-window {
    background: rgba(37, 39, 44, 0.78);
}

.oobe-preview-titlebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    height: 42px;
    padding-left: 14px;
    border-bottom: 1px solid rgba(20, 24, 31, 0.06);
}

.oobe-preview-app-title {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    font-size: 11px;
    font-weight: 600;
}

.oobe-preview-app-title img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.oobe-preview-window-controls {
    display: flex;
    gap: 10px;
    align-self: stretch;
    align-items: center;
    padding: 0 16px;
}

.oobe-preview-window-control {
    display: block;
    width: 10px;
    height: 10px;
    flex: 0 0 10px;
    border: 1px solid rgba(32, 38, 47, 0.18);
    border-radius: 50%;
    background: rgba(32, 38, 47, 0.12);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.42);
}

.oobe-system-preview.is-dark .oobe-preview-window-control {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.13);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.12);
}

.oobe-preview-window-content {
    display: grid;
    grid-template-columns: 34% minmax(0, 1fr);
    width: 100%;
    height: calc(100% - 42px);
    min-height: 0;
    overflow: hidden;
}

.oobe-preview-title-placeholder,
.oobe-preview-device-copy b,
.oobe-preview-device-copy span,
.oobe-preview-device-copy small,
.oobe-preview-section-heading,
.oobe-preview-nav-row span,
.oobe-preview-recommendation b,
.oobe-preview-recommendation span {
    display: block;
    border-radius: 999px;
    background: rgba(37, 43, 52, 0.18);
}

.oobe-preview-title-placeholder { width: 54px; height: 8px; }

.oobe-preview-sidebar {
    box-sizing: border-box;
    min-height: 0;
    overflow: hidden;
    padding: 14px 9px;
    border-right: 1px solid rgba(25, 31, 39, 0.06);
    background: transparent;
}

.oobe-preview-nav-row {
    display: flex;
    align-items: center;
    gap: 9px;
    height: 32px;
    margin-bottom: 4px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: 7px;
}

.oobe-preview-nav-row i {
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
    border-radius: 5px;
    background: rgba(37, 43, 52, 0.2);
}

.oobe-preview-nav-row span { width: var(--placeholder-width); height: 7px; }

.oobe-preview-nav-row.active {
    border-color: rgba(var(--accent-rgb, 0, 120, 212), 0.55);
    background: rgba(var(--accent-rgb, 0, 120, 212), 0.25);
    box-shadow: inset 3px 0 var(--oobe-preview-accent, #0078d4);
}

.oobe-preview-nav-row.active i { background: rgba(255, 255, 255, 0.88); }

.oobe-preview-main {
    box-sizing: border-box;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 12px 16px;
    overflow: hidden;
    border: 1px solid rgba(30, 36, 46, 0.08);
    border-right: 0;
    border-bottom: 0;
    border-radius: 14px 0 13px 0;
    background: rgba(248, 249, 251, 0.8);
    transition: background-color 320ms ease, border-color 320ms ease;
}

.oobe-system-preview.window-blur-off .oobe-preview-main {
    background: #eef0f3;
}

.oobe-system-preview.window-blur-on .oobe-preview-main {
    background: rgba(255, 255, 255, 0.56);
}

.oobe-preview-device {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.oobe-preview-device-image {
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(var(--accent-rgb, 0, 120, 212), 0.42), rgba(102, 199, 210, 0.22));
    box-shadow: 0 6px 14px rgba(20, 28, 40, 0.15);
}

.oobe-preview-device-copy { display: grid; gap: 7px; width: 45%; }
.oobe-preview-device-copy b { width: 82%; height: 12px; }
.oobe-preview-device-copy span { width: 62%; height: 7px; }
.oobe-preview-device-copy small { width: 38%; height: 6px; background: rgba(var(--accent-rgb, 0, 120, 212), 0.5); }
.oobe-preview-section-heading { width: 30%; height: 11px; margin-bottom: 8px; }
.oobe-preview-recommendations { display: grid; gap: 9px; }

.oobe-preview-recommendation {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr) 12px;
    align-items: center;
    gap: 12px;
    min-height: 38px;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.58);
}

.oobe-preview-recommendation i { width: 18px; height: 18px; border-radius: 6px; background: rgba(37, 43, 52, 0.17); }
.oobe-preview-recommendation div { display: grid; gap: 6px; }
.oobe-preview-recommendation b { width: 48%; height: 8px; }
.oobe-preview-recommendation span { width: 34%; height: 6px; opacity: 0.7; }
.oobe-preview-recommendation em { width: 8px; height: 8px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); opacity: 0.45; }

.oobe-system-preview.is-dark .oobe-preview-sidebar { background: transparent; border-color: rgba(255, 255, 255, 0.06); }
.oobe-system-preview.is-dark .oobe-preview-main {
    border-color: rgba(255, 255, 255, 0.08);
    background: rgba(23, 25, 30, 0.82);
}

.oobe-system-preview.is-dark.window-blur-off .oobe-preview-main {
    background: #25272c;
}

.oobe-system-preview.is-dark.window-blur-on .oobe-preview-main {
    background: rgba(18, 20, 24, 0.58);
}
.oobe-system-preview.is-dark .oobe-preview-title-placeholder,
.oobe-system-preview.is-dark .oobe-preview-device-copy b,
.oobe-system-preview.is-dark .oobe-preview-device-copy span,
.oobe-system-preview.is-dark .oobe-preview-section-heading,
.oobe-system-preview.is-dark .oobe-preview-nav-row span,
.oobe-system-preview.is-dark .oobe-preview-recommendation b,
.oobe-system-preview.is-dark .oobe-preview-recommendation span,
.oobe-system-preview.is-dark .oobe-preview-nav-row i,
.oobe-system-preview.is-dark .oobe-preview-recommendation i { background: rgba(255, 255, 255, 0.18); }
.oobe-system-preview.is-dark .oobe-preview-recommendation { border-color: rgba(255, 255, 255, 0.08); background: rgba(255, 255, 255, 0.07); }

@container oobe-preview (max-width: 460px) {
    .oobe-preview-main { padding: 10px 14px; }
    .oobe-preview-device { gap: 10px; margin-bottom: 8px; }
    .oobe-preview-device-image {
        width: 46px;
        height: 46px;
        flex-basis: 46px;
        border-radius: 10px;
    }
    .oobe-preview-device-copy { gap: 5px; }
    .oobe-preview-device-copy b { height: 9px; }
    .oobe-preview-device-copy span,
    .oobe-preview-device-copy small { height: 5px; }
    .oobe-preview-section-heading { height: 9px; margin-bottom: 6px; }
    .oobe-preview-recommendations { gap: 6px; }
    .oobe-preview-recommendation {
        min-height: 34px;
        padding: 4px 10px;
    }
}

.oobe-system-preview .fw-frame {
    --accent: var(--oobe-preview-accent, #0078d4);
    --fw-card-bg: rgba(255, 255, 255, 0.52);
    --fw-card-border: rgba(30, 36, 46, 0.08);
    --fw-nav-active-bg: rgba(var(--accent-rgb, 0, 120, 212), 0.18);
}

.oobe-system-preview.is-dark .fw-frame {
    --fw-card-bg: rgba(5, 7, 11, 0.28);
    --fw-card-border: rgba(255, 255, 255, 0.08);
}

.oobe-system-preview .fw-sidebar {
    padding: 12px 8px 10px;
}

.oobe-system-preview .fw-sidebar-resizer {
    display: none;
}

.oobe-system-preview .fw-content {
    padding: 0 10px 10px 0;
}

.oobe-system-preview .fw-card {
    border: 1px solid var(--fw-card-border);
    border-radius: 9px;
    box-shadow: 0 4px 14px rgba(18, 25, 36, 0.08);
}

.oobe-system-preview .fw-page {
    padding: 18px;
}

.oobe-system-preview .fw-nav-item {
    min-height: 34px;
    padding: 6px 8px;
    opacity: 1;
}

.oobe-skeleton-nav-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    border-radius: 5px;
    background: rgba(54, 61, 73, 0.14);
}

.oobe-skeleton-nav-line {
    width: calc(58px + (var(--skeleton-index) * 9px));
    height: 7px;
    border-radius: 4px;
    background: rgba(54, 61, 73, 0.13);
}

.fw-nav-item.active .oobe-skeleton-nav-icon {
    background: var(--oobe-preview-accent, #0078d4);
}

.is-dark .oobe-skeleton-nav-icon,
.is-dark .oobe-skeleton-nav-line {
    background: rgba(255, 255, 255, 0.13);
}

.oobe-skeleton-heading,
.oobe-skeleton-line,
.oobe-skeleton-grid span,
.oobe-skeleton-row i,
.oobe-skeleton-row b {
    display: block;
    border-radius: 5px;
    background: rgba(54, 61, 73, 0.12);
}

.is-dark .oobe-skeleton-heading,
.is-dark .oobe-skeleton-line,
.is-dark .oobe-skeleton-grid span,
.is-dark .oobe-skeleton-row i,
.is-dark .oobe-skeleton-row b {
    background: rgba(255, 255, 255, 0.12);
}

.oobe-skeleton-heading { width: 42%; height: 15px; margin-bottom: 16px; }
.oobe-skeleton-line { width: 60%; height: 7px; margin-bottom: 8px; }
.oobe-skeleton-line.wide { width: 82%; }
.oobe-skeleton-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 20px 0; }
.oobe-skeleton-grid span { height: 52px; }
.oobe-skeleton-grid span:first-child { background: rgba(var(--accent-rgb, 0, 120, 212), 0.2); }
.oobe-skeleton-row { display: grid; grid-template-columns: 26px 1fr; gap: 10px; align-items: center; margin-top: 10px; }
.oobe-skeleton-row i { width: 26px; height: 26px; }
.oobe-skeleton-row b { width: 58%; height: 8px; }

/* Accent */
.oobe-accent-current {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

#oobe-accent-current-swatch {
    width: 48px;
    height: 48px;
    border: 3px solid rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    box-shadow: 0 0 0 1px var(--border-color), var(--shadow-sm);
}

.oobe-accent-current > div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.oobe-accent-current small {
    color: var(--text-secondary);
}

.oobe-accent-grid {
    display: grid;
    grid-template-columns: repeat(8, 42px);
    gap: 10px;
    margin-bottom: 28px;
}

.oobe-accent-swatch {
    display: grid;
    width: 42px;
    height: 42px;
    padding: 0;
    place-items: center;
    border: 2px solid transparent;
    border-radius: 8px;
    background: var(--swatch-color);
    box-shadow: var(--shadow-sm);
    transition: transform 240ms var(--oobe-ease), box-shadow 180ms ease;
}

.oobe-accent-swatch:hover {
    transform: translateY(-2px) scale(1.04);
}

.oobe-accent-swatch.selected {
    box-shadow: 0 0 0 3px var(--bg-primary), 0 0 0 5px var(--swatch-color);
}

.oobe-accent-swatch img {
    width: 18px;
    height: 18px;
    opacity: 0;
    filter: brightness(0) invert(1);
}

.oobe-accent-swatch.selected img {
    opacity: 1;
}

.oobe-custom-color-button {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--oobe-control-bg);
    color: var(--text-primary);
    font-size: 24px;
}

.oobe-custom-color-input {
    position: absolute;
    z-index: 4;
    top: 50%;
    right: 16px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    opacity: 0;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Fingo preview and settings */
.oobe-fingo-visual {
    padding: 2%;
    filter: drop-shadow(0 24px 27px rgba(17, 26, 39, 0.26));
}

.oobe-live-fingo {
    position: relative;
    width: min(100%, 720px);
    aspect-ratio: 4 / 3;
    overflow: hidden;
    overflow: clip;
    border-radius: 16px;
    clip-path: inset(0 round 16px);
    -webkit-clip-path: inset(0 round 16px);
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    isolation: isolate;
    contain: paint;
    box-shadow: none;
    transform-origin: center;
    transition: transform 90ms linear;
}

.oobe-live-fingo .oobe-live-wallpaper {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background-image: var(--oobe-preview-bg);
    background-position: center;
    background-size: cover;
}

.oobe-live-fingo-blur {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: rgba(16, 23, 38, 0.18);
    backdrop-filter: blur(3px);
}

.oobe-live-fingo-content.fingo-content {
    position: absolute;
    inset: 10% 8%;
    width: auto;
    max-height: none;
    border-radius: 14px;
    background: rgba(250, 251, 253, 0.72);
    color: #1f1f1f;
    transition: background-color 320ms ease, box-shadow 320ms ease, border-color 320ms ease;
}

.dark-mode .oobe-live-fingo-content.fingo-content {
    background: rgba(29, 31, 37, 0.74);
    color: #f5f5f5;
}

.oobe-live-fingo-content .fingo-header {
    flex: 0 0 auto;
}

.oobe-live-fingo-content .fingo-history,
#oobe-fingo-messages {
    min-height: 0;
    overflow: auto;
}

#oobe-fingo-messages {
    flex: 1 1 auto;
    padding: 0 14px;
}

.oobe-live-fingo-content .fingo-input-wrap {
    flex: 0 0 auto;
    margin-top: auto;
    padding: 10px 14px 14px;
}

.oobe-live-fingo-content.fingo-empty .fingo-input-wrap {
    margin-top: auto;
    animation: none;
}

.oobe-live-fingo-content.fingo-empty {
    border-color: transparent;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.dark-mode .oobe-live-fingo-content.fingo-empty {
    background: transparent;
}

.oobe-live-fingo-content.fingo-empty .fingo-header,
.oobe-live-fingo-content.fingo-empty .fingo-history,
.oobe-live-fingo-content.fingo-empty #oobe-fingo-messages {
    visibility: hidden;
    opacity: 0;
}

.oobe-fingo-settings-shell,
#oobe-fingo-settings-scroll-host {
    width: 100%;
}

.oobe-fingo-settings-scroll .fluent-scroll-viewport {
    max-height: 520px;
    padding-right: 10px;
}

.oobe-fingo-settings-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.oobe-fingo-setting-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.oobe-fingo-section-title {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 650;
}

.oobe-fingo-settings-shell .fluent-setting-item {
    min-height: 62px;
    border-radius: 16px;
}

.oobe-fingo-key-item {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
}

.oobe-fingo-key-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    width: 100%;
}

.oobe-fingo-key-row .fluent-input-wrapper {
    flex: 1 1 auto;
    min-width: min(220px, 100%);
}

/* Match the Settings app's Fluent glass actions exactly inside the API row. */
#oobe-screen .oobe-fingo-key-row .fluent-btn {
    min-height: 34px;
    padding: 8px 16px;
    border: 1px solid rgba(255, 255, 255, 0.52) !important;
    border-radius: 50px;
    background: rgba(245, 250, 255, 0.64) !important;
    background-image: none !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
    color: var(--accent) !important;
    font-size: 13px;
    font-weight: 500;
}

#oobe-screen.dark-mode .oobe-fingo-key-row .fluent-btn {
    border-color: rgba(255, 255, 255, 0.14) !important;
    background: rgba(55, 55, 60, 0.68) !important;
}

#oobe-screen .oobe-fingo-key-row .fluent-btn-primary {
    border-color: rgba(var(--accent-rgb, 0, 120, 212), 0.5) !important;
    box-shadow: inset 3px 0 0 var(--accent), 0 4px 16px rgba(var(--accent-rgb, 0, 120, 212), 0.18);
}

#oobe-screen .oobe-fingo-key-row .fluent-btn .fluent-btn-text {
    position: relative;
    z-index: 2;
    color: var(--accent) !important;
}

#oobe-screen .oobe-fingo-key-row .fluent-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    filter: none;
    background: rgba(255, 255, 255, 0.78) !important;
}

.oobe-fingo-key-status,
.oobe-fingo-about-note {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.5;
}

.oobe-fingo-custom-options.anim-in {
    animation: oobeSettingsIn 420ms var(--oobe-ease) both;
}

.oobe-fingo-custom-options.anim-out {
    animation: oobeSettingsOut 260ms ease both;
}

/* User and password */
.oobe-user-settings-shell,
#oobe-user-settings-scroll-host {
    width: 100%;
}

.oobe-user-settings-scroll .fluent-scroll-viewport {
    max-height: 500px;
    padding-right: 12px;
}

.oobe-user-settings-body {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.oobe-avatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, 58px);
    gap: 10px;
}

.oobe-avatar-item {
    width: 58px;
    height: 58px;
    overflow: hidden;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 50%;
    background: var(--oobe-control-bg);
    box-shadow: var(--shadow-sm);
    transition: transform 220ms var(--oobe-ease), border-color 180ms ease;
}

.oobe-avatar-item:hover {
    transform: translateY(-2px);
}

.oobe-avatar-item.active {
    border-color: var(--accent);
}

.oobe-avatar-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.oobe-avatar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.oobe-input {
    width: min(100%, 520px);
    height: 44px;
    box-sizing: border-box;
    padding: 0 13px;
    border: 1px solid var(--border-color);
    border-bottom: 2px solid var(--text-tertiary);
    border-radius: 8px;
    outline: none;
    background: var(--oobe-control-bg);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 180ms ease, background-color 180ms ease;
}

.oobe-input:focus {
    border-bottom-color: var(--accent);
    background: var(--oobe-control-hover);
}

.oobe-inline-status {
    min-height: 20px;
    color: var(--text-secondary);
    font-size: 12px;
}

@keyframes oobeLogoFallback {
    from { opacity: 0; transform: translateY(18px) scale(0.86); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes oobeBrandReveal {
    0% {
        opacity: 0;
        clip-path: inset(0 100% 0 0);
        transform: translate3d(-14px, -50%, 0);
    }
    18% { opacity: 1; }
    100% {
        opacity: 1;
        clip-path: inset(0 0 0 0);
        transform: translate3d(0, -50%, 0);
    }
}

@keyframes oobeBrandTextShine {
    from { background-position: 180% 50%, center 52%; }
    to { background-position: -180% 50%, center 52%; }
}

@keyframes oobeBrandToWelcome {
    from {
        opacity: 1;
        clip-path: inset(0 0 0 0);
        transform: translate3d(0, -50%, 0) scale(1);
        filter: blur(0);
    }
    to {
        opacity: 0;
        clip-path: inset(0 0 0 100%);
        transform: translate3d(42px, -50%, 0) scale(0.96);
        filter: blur(3px);
    }
}

@keyframes oobeLetterBounceIn {
    0% { opacity: 0; transform: translateY(20px) scale(0.72); }
    62% { opacity: 1; transform: translateY(-5px) scale(1.055); }
    82% { transform: translateY(2px) scale(0.985); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes oobeLetterBounceOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(16px) scale(0.72); }
}

@keyframes oobeArrowNudge {
    0%, 100% { transform: translateX(-3px); }
    50% { transform: translateX(4px); }
}

@keyframes oobeContinueHintIn {
    from { opacity: 0; transform: translate3d(-50%, 12px, 0); }
    to { opacity: 1; transform: translate3d(-50%, 0, 0); }
}

@keyframes oobeContinueHintBounce {
    0%, 100% { transform: translate3d(-50%, 0, 0); }
    45% { transform: translate3d(-50%, -4px, 0); }
    62% { transform: translate3d(-50%, -1px, 0); }
}

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

@keyframes oobeSettingsOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-8px); }
}

@media (max-width: 1180px) {
    .oobe-shell {
        width: 94vw;
        height: 90vh;
    }

    .oobe-step {
        inset: 52px 38px 32px;
    }

    .oobe-step-layout,
    .oobe-welcome-layout {
        gap: 34px;
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    }

    .oobe-panel h1 { font-size: 34px; }
    .oobe-accent-grid { grid-template-columns: repeat(4, 42px); }
}

@media (max-width: 820px) {
    .oobe-shell {
        width: 96vw;
        height: 96dvh;
        min-height: 0;
    }

    .oobe-card { border-radius: 24px; }
    .oobe-step,
    .oobe-step[data-step="0"] { inset: 38px 20px 16px; }

    .oobe-step-layout,
    .oobe-welcome-layout {
        grid-template-columns: 1fr;
        grid-template-rows: minmax(190px, 0.72fr) minmax(0, 1.28fr);
        gap: 10px;
    }

    .oobe-illustration { width: min(68%, 430px); max-height: 88%; }
    .oobe-panel-scroll { padding: 14px 8px 8px; }
    .oobe-panel h1 { font-size: 30px; }
    .oobe-panel > .oobe-panel-scroll > p { margin-bottom: 18px; }
    .oobe-actions { flex-basis: 54px; padding: 6px 0 0 8px; }
    .oobe-welcome-logo { width: 150px; min-width: 0; }
    .oobe-welcome-copy { left: calc(50% - 24px); right: 2%; height: 170px; padding: 0; }
    .oobe-welcome-text { min-height: 75px; font-size: 75px; }
    .oobe-welcome-brand { right: auto; left: 0; width: 100%; max-width: none; }
    .oobe-welcome-brand span { font-size: clamp(34px, 7.2vw, 50px); }
    .oobe-welcome-brand.is-english span { font-size: clamp(24px, 5vw, 34px); }
    .oobe-welcome-continue { bottom: 4px; }
    .oobe-system-preview,
    .oobe-live-fingo { width: min(78%, 520px); max-height: 100%; }
    .oobe-wallpaper-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .oobe-fingo-settings-scroll .fluent-scroll-viewport,
    .oobe-user-settings-scroll .fluent-scroll-viewport { max-height: none; }
}

@media (max-width: 520px) {
    .oobe-shell { width: 100vw; height: 100dvh; }
    .oobe-card { border: 0; border-radius: 0; }
    .oobe-step,
    .oobe-step[data-step="0"] { inset: 34px 14px 10px; }
    .oobe-step-layout,
    .oobe-welcome-layout { grid-template-rows: 200px minmax(0, 1fr); }
    .oobe-panel h1 { font-size: 27px; }
    .oobe-panel > .oobe-panel-scroll > p { font-size: 13px; line-height: 1.5; }
    .oobe-illustration { width: min(82%, 360px); }
    .oobe-welcome-logo { width: 130px; }
    .oobe-welcome-copy { left: calc(50% - 18px); right: 1%; height: 150px; }
    .oobe-welcome-brand { top: 43%; right: auto; left: 0; width: 100%; max-width: none; }
    .oobe-welcome-brand span { font-size: clamp(27px, 7.4vw, 36px); }
    .oobe-welcome-brand.is-english span { font-size: clamp(19px, 5vw, 25px); }
    .oobe-welcome-text { min-height: 65px; font-size: 65px; }
    .oobe-welcome-continue { bottom: 2px; font-size: 12px; }
    .oobe-step[data-step="1"] .oobe-illustration {
        width: min(72%, 300px);
        max-height: 150px;
    }
    .oobe-system-preview,
    .oobe-live-fingo { width: min(100%, 390px); }
    .oobe-preview-app-window { inset: 7% 5% 6%; }
    .oobe-system-preview .fw-sidebar { width: 118px !important; }
    .oobe-system-preview .fw-content { padding-right: 7px; }
    .oobe-wallpaper-grid { gap: 6px; }
    .oobe-accent-grid { grid-template-columns: repeat(4, 38px); gap: 9px; }
    .oobe-accent-swatch { width: 38px; height: 38px; }
    .oobe-setting-card,
    .oobe-custom-color-row { padding: 10px 12px; }
    .oobe-option-btn { min-height: 68px; }
    .oobe-avatar-grid { grid-template-columns: repeat(auto-fill, 50px); gap: 8px; }
    .oobe-avatar-item { width: 50px; height: 50px; }
}

@media (max-height: 700px) and (min-width: 821px) {
    .oobe-shell { height: 94vh; min-height: 0; }
    .oobe-step { inset: 44px 46px 24px; }
    .oobe-panel-scroll { padding-top: 12px; }
    .oobe-panel h1 { font-size: 31px; }
    .oobe-panel > .oobe-panel-scroll > p { margin-bottom: 16px; }
    .oobe-setting-block { margin-bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
    #oobe-screen *,
    #oobe-screen *::before,
    #oobe-screen *::after {
        scroll-behavior: auto !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 1ms !important;
    }

    .oobe-tilt-target { transform: none !important; }
}