.rom-checker-page,
.rom-page,
.rom-checker {
    --rom-surface: #ffffff;
    --rom-surface-variant: #f2f5f9;
    --rom-surface-sunken: #e7ecf3;
    --rom-on-surface: #1b1c1e;
    --rom-on-surface-muted: #5a6169;
    --rom-primary: #0b57d0;
    --rom-primary-hover: #0842a0;
    --rom-primary-container: #d7e3ff;
    --rom-on-primary: #ffffff;
    --rom-success: #146c2e;
    --rom-success-container: #d6f2dd;
    --rom-warning: #8a5300;
    --rom-warning-container: #ffe9c7;
    --rom-error: #b3261e;
    --rom-error-container: #ffdad6;
    --rom-radius-xl: 32px;
    --rom-radius-lg: 24px;
    --rom-radius-md: 16px;
    --rom-radius-sm: 12px;
    --rom-radius-pill: 999px;
    --rom-ease: cubic-bezier(0.2, 0, 0, 1);
    --rom-duration: 240ms;
}

.rom-page {
    color: var(--rom-on-surface);
    padding-block: 32px 56px;
}

.rom-container {
    width: min(1200px, 100%);
    margin-inline: auto;
    padding-inline: 20px;
}

.rom-checker-page a {
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.rom-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--rom-on-surface-muted);
    margin-bottom: 20px;
}

.rom-breadcrumb-link {
    color: var(--rom-on-surface-muted);
    text-decoration: none;
    transition: color var(--rom-duration) var(--rom-ease);
}

.rom-breadcrumb-link:hover {
    color: var(--rom-primary);
}

.rom-breadcrumb-current {
    color: var(--rom-on-surface);
    font-weight: 600;
}

.rom-breadcrumb-sep {
    opacity: 0.5;
}

.rom-button,
.rom-checker-button,
.rom-copy-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 22px;
    border: 0;
    border-radius: var(--rom-radius-pill);
    background: var(--rom-surface-sunken);
    color: var(--rom-on-surface);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--rom-duration) var(--rom-ease), color var(--rom-duration) var(--rom-ease), transform var(--rom-duration) var(--rom-ease), opacity var(--rom-duration) var(--rom-ease);
}

.rom-button:hover,
.rom-checker-button:hover,
.rom-copy-button:hover {
    background: var(--rom-primary-container);
    color: var(--rom-on-surface);
}

.rom-button:active,
.rom-checker-button:active,
.rom-copy-button:active {
    transform: scale(0.97);
}

.rom-button-primary,
.rom-checker-button:not(.rom-checker-button-ghost) {
    background: var(--rom-primary);
    color: var(--rom-on-primary);
}

.rom-button-primary:hover,
.rom-checker-button:not(.rom-checker-button-ghost):hover {
    background: var(--rom-primary-hover);
    color: var(--rom-on-primary);
}

.rom-button-ghost,
.rom-checker-button-ghost {
    background: var(--rom-surface-sunken);
    color: var(--rom-on-surface);
}

.rom-button:focus-visible,
.rom-checker-button:focus-visible,
.rom-copy-button:focus-visible,
.rom-chip-link:focus-visible,
.rom-device-card-link:focus-visible,
.rom-checker-page a:focus-visible {
    outline: 2px solid var(--rom-primary);
    outline-offset: 3px;
}

.rom-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: var(--rom-radius-pill);
    background: var(--rom-surface);
    color: var(--rom-on-surface-muted);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    transition: background var(--rom-duration) var(--rom-ease), color var(--rom-duration) var(--rom-ease), transform var(--rom-duration) var(--rom-ease);
}

.rom-chip-soft {
    background: var(--rom-surface-sunken);
}

.rom-chip-strong {
    background: var(--rom-primary-container);
    color: var(--rom-primary);
}

.rom-chip-warning {
    background: var(--rom-warning-container);
    color: var(--rom-warning);
}

.rom-chip-link {
    text-decoration: none;
    cursor: pointer;
}

.rom-chip-link:hover {
    background: var(--rom-primary-container);
    color: var(--rom-primary);
    transform: translateY(-1px);
}

.rom-chip-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding-inline: 6px;
    border-radius: var(--rom-radius-pill);
    background: var(--rom-surface);
    font-size: 11px;
}

.rom-checker-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin: 0 0 24px;
}

.rom-checker-stat {
    background: var(--rom-surface-variant);
    border-radius: var(--rom-radius-lg);
    padding: 18px 20px;
    animation: rom-rise var(--rom-duration) var(--rom-ease) both;
}

.rom-checker-stat-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--rom-on-surface-muted);
    margin-bottom: 6px;
}

.rom-checker-stat-value {
    display: block;
    font-size: 30px;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.8px;
}

.rom-device-card {
    background: var(--rom-surface-variant);
    border-radius: var(--rom-radius-lg);
    overflow: hidden;
    animation: rom-rise var(--rom-duration) var(--rom-ease) both;
    transition: background var(--rom-duration) var(--rom-ease), transform var(--rom-duration) var(--rom-ease);
}

.rom-device-card:hover {
    background: var(--rom-primary-container);
    transform: translateY(-3px);
}

.rom-device-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
    height: 100%;
}

.rom-device-card-media {
    aspect-ratio: 4 / 3;
    background: var(--rom-surface-sunken);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.rom-device-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 400ms var(--rom-ease);
}

.rom-device-card:hover .rom-device-card-image {
    transform: scale(1.04);
}

.rom-device-card-placeholder {
    width: 56px;
    height: 56px;
    border-radius: var(--rom-radius-md);
    background: linear-gradient(135deg, var(--rom-primary-container), var(--rom-surface));
}

.rom-device-card-body {
    padding: 18px 20px 20px;
}

.rom-device-card-title {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.2px;
}

.rom-device-card-codename {
    margin: 0 0 6px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    color: var(--rom-primary);
}

.rom-device-card-brand {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--rom-on-surface-muted);
}

.rom-device-card-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.rom-device-card-count {
    margin: 0;
    font-size: 13px;
    color: var(--rom-on-surface-muted);
}

.rom-device-card-count strong {
    font-size: 16px;
    color: var(--rom-on-surface);
}

.rom-checker-empty {
    grid-column: 1 / -1;
    background: var(--rom-surface-variant);
    border-radius: var(--rom-radius-lg);
    padding: 32px 24px;
    text-align: center;
    animation: rom-rise var(--rom-duration) var(--rom-ease) both;
}

.rom-checker-empty-title {
    margin: 0 0 6px;
    font-size: 16px;
    font-weight: 600;
}

.rom-checker-empty-hint {
    margin: 0;
    font-size: 13px;
    color: var(--rom-on-surface-muted);
}

.rom-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes rom-rise {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes rom-shimmer {
    from {
        background-position: 200% 0;
    }
    to {
        background-position: -200% 0;
    }
}

@keyframes rom-pulse {
    0% {
        background: var(--rom-primary-container);
    }
    100% {
        background: var(--rom-surface);
    }
}

@media (max-width: 782px) {
    .rom-page {
        padding-block: 20px 40px;
    }

    .rom-container {
        padding-inline: 16px;
    }

    .rom-checker-stat-value {
        font-size: 26px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .rom-checker-page *,
    .rom-page *,
    .rom-checker * {
        animation-duration: 1ms !important;
        animation-delay: 0ms !important;
        transition-duration: 1ms !important;
        scroll-behavior: auto !important;
    }
}