.appearance-mode-content {
    display: flex;
    flex-direction: column;
}

.appearance-mode-group {
    padding: 18px;
}

.appearance-mode-intro {
    margin-bottom: 18px;
}

.appearance-mode-title {
    font-size: 18px;
    font-weight: 700;
    color: #1c1c1e;
    margin-bottom: 8px;
}

.appearance-mode-copy {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: #6b7280;
}

.appearance-mode-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.appearance-mode-card {
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 247, 251, 0.94) 100%);
    padding: 14px;
    text-align: left;
    cursor: pointer;
    transition: transform 0.22s cubic-bezier(.2,.9,.2,1), box-shadow 0.22s cubic-bezier(.2,.9,.2,1), border-color 0.22s ease, background 0.22s ease;
    box-shadow: 0 10px 26px rgba(15, 23, 42, 0.07);
    position: relative;
    overflow: hidden;
}

.appearance-mode-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.42) 0%, rgba(255,255,255,0) 34%);
    pointer-events: none;
}

.appearance-mode-card:hover {
    transform: translateY(-1px);
}

.appearance-mode-card.is-selected {
    border-color: rgba(10, 132, 255, 0.92);
    box-shadow: 0 14px 30px rgba(10, 132, 255, 0.16);
    transform: translateY(-2px) scale(1.01);
}

.appearance-mode-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.appearance-mode-card-label {
    font-size: 15px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: -0.01em;
}

.appearance-mode-card-check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1.5px solid rgba(148, 163, 184, 0.58);
    background: rgba(255, 255, 255, 0.88);
    position: relative;
    flex: 0 0 auto;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
    transition: transform 0.22s cubic-bezier(.2,.9,.2,1), border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.appearance-mode-card.is-selected .appearance-mode-card-check {
    border-color: #0a84ff;
    background: radial-gradient(circle at 35% 30%, #5db2ff 0%, #0a84ff 68%, #0067d8 100%);
    box-shadow: 0 6px 14px rgba(10, 132, 255, 0.3);
    transform: scale(1.04);
}

.appearance-mode-card.is-selected .appearance-mode-card-check::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 4px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.appearance-preview {
    border-radius: 20px;
    padding: 12px;
    min-height: 176px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.appearance-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
}

.appearance-preview-light {
    background: linear-gradient(180deg, #fbfbfd 0%, #eef1f6 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.7), 0 6px 18px rgba(15, 23, 42, 0.06);
}

.appearance-preview-light::before {
    background: linear-gradient(180deg, rgba(255,255,255,0.65) 0%, rgba(255,255,255,0) 38%);
}

.appearance-preview-dark {
    background: linear-gradient(180deg, #2c2c2e 0%, #111214 100%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05), 0 8px 18px rgba(0, 0, 0, 0.26);
}

.appearance-preview-dark::before {
    background: linear-gradient(180deg, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0) 32%);
}

.appearance-preview-status,
.appearance-preview-header,
.appearance-preview-card,
.appearance-preview-list span,
.appearance-preview-tabbar span {
    display: block;
    border-radius: 999px;
}

.appearance-preview-status {
    height: 10px;
    width: 42%;
    opacity: 0.86;
}

.appearance-preview-header {
    height: 16px;
    width: 58%;
    opacity: 0.92;
}

.appearance-preview-card {
    height: 56px;
    border-radius: 18px;
}

.appearance-preview-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.appearance-preview-list span:nth-child(1) { height: 12px; width: 78%; }
.appearance-preview-list span:nth-child(2) { height: 12px; width: 66%; }
.appearance-preview-list span:nth-child(3) { height: 12px; width: 72%; }

.appearance-preview-tabbar {
    margin-top: auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    align-items: end;
}

.appearance-preview-tabbar span {
    height: 12px;
}

.appearance-preview-light .appearance-preview-status,
.appearance-preview-light .appearance-preview-header,
.appearance-preview-light .appearance-preview-list span,
.appearance-preview-light .appearance-preview-tabbar span {
    background: rgba(60, 60, 67, 0.18);
}

.appearance-preview-light .appearance-preview-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 249, 252, 0.95) 100%);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
}

.appearance-preview-dark .appearance-preview-status,
.appearance-preview-dark .appearance-preview-header,
.appearance-preview-dark .appearance-preview-list span,
.appearance-preview-dark .appearance-preview-tabbar span {
    background: rgba(255, 255, 255, 0.18);
}

.appearance-preview-dark .appearance-preview-card {
    background: linear-gradient(180deg, rgba(58, 58, 60, 0.98) 0%, rgba(44, 44, 46, 0.96) 100%);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.34);
}