.admin-page-shell {
    max-width: min(100%, 1100px);
    margin: 0 auto;
    padding: 0 12px 12px;
    box-sizing: border-box;
}

.admin-page-title {
    font-size: clamp(28px, 2vw, 40px);
    margin: 0 0 16px;
    color: #00f0ff;
    text-align: center;
}

.admin-empty-copy {
    font-size: clamp(16px, 1.2vw, 24px);
    text-align: center;
}

.admin-data-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(0, 30, 60, 0.88);
    border: 2px solid #00a0ff;
    box-shadow: 0 0 18px #00c8ff33;
    overflow: hidden;
}

.admin-data-table th,
.admin-data-table td {
    padding: 10px 10px;
    border-bottom: 1px solid rgba(0, 160, 255, 0.28);
    text-align: center;
    font-size: clamp(13px, 0.9vw, 17px);
}

.admin-data-table th {
    color: #00f0ff;
    font-weight: 700;
}

.admin-inline-form {
    display: inline;
}

.admin-tabs-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 100%;
    gap: 0;
}

.admin-tabs-header {
    display: none;
}

.admin-manage-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
    margin: 0 0 14px;
}

.admin-tabs-content {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

.admin-tab-content {
    display: none;
    min-height: 0;
    padding: 18px 20px 16px;
    border: 2px solid rgba(0, 160, 255, 0.78);
    border-radius: 18px;
    background:
        linear-gradient(180deg, rgba(8, 26, 46, 0.92) 0%, rgba(0, 30, 60, 0.9) 100%);
    box-shadow:
        0 0 18px rgba(0, 200, 255, 0.18),
        inset 0 0 22px rgba(0, 110, 180, 0.12);
}

.admin-tab-content.is-active {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: 14px;
    min-height: 0;
}

.admin-title {
    font-size: clamp(24px, 1.95vw, 34px);
    margin: 0;
    text-align: center;
    color: #eafcff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.15), 0 0 16px rgba(0, 240, 255, 0.1);
}

.admin-empty-text {
    font-size: clamp(16px, 1.08vw, 22px);
    margin: 0;
    text-align: center;
}

.admin-activation-table {
    width: 100%;
    font-size: inherit;
}

/* 管理画面のスクロールは外側ではなく各パネル内で統一する */
.admin-activation-table-wrap {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    max-height: none;
    overflow-y: auto;
    padding-right: 4px;
}

.admin-error-text {
    color: red;
}

.admin-inline-toggle {
    display: inline-flex;
    gap: 0.2vw;
}

.admin-character-list,
.admin-user-list,
.admin-upload-list {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    max-height: none;
    overflow-y: auto;
    padding-right: 4px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.admin-character-item,
.admin-user-item,
.admin-upload-item {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 0;
    background: linear-gradient(135deg, rgba(17, 34, 68, 0.98) 0%, rgba(8, 30, 56, 0.98) 100%);
    border-radius: 12px;
    border: 1px solid rgba(0, 160, 255, 0.48);
    box-shadow: 0 0 12px rgba(0, 200, 255, 0.12);
    padding: 10px 14px;
}

.admin-char-image {
    width: 62px;
    height: 62px;
    flex-shrink: 0;
}

.admin-upload-image {
    width: 78px;
    height: 78px;
    flex-shrink: 0;
}

.admin-char-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.3vw;
}

.admin-upload-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid rgba(0, 160, 255, 0.5);
    box-shadow: 0 0 8px rgba(0, 200, 255, 0.16);
    cursor: pointer;
}

.admin-char-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: #333;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(11px, 0.75vw, 13px);
    color: #666;
}

.admin-char-info,
.admin-user-info {
    flex: 1;
    min-width: 0;
}

.admin-upload-info {
    flex: 1;
    min-width: 0;
}

.admin-char-name,
.admin-user-name {
    font-size: clamp(15px, 1vw, 19px);
    font-weight: bold;
    color: #00f0ff;
    margin-bottom: 4px;
}

.admin-upload-name {
    font-size: clamp(14px, 0.95vw, 18px);
    font-weight: 700;
    color: #00f0ff;
    margin-bottom: 4px;
    word-break: break-all;
}

.admin-char-meta,
.admin-user-meta {
    font-size: clamp(12px, 0.84vw, 15px);
    color: #ccc;
}

.admin-upload-meta {
    font-size: clamp(12px, 0.84vw, 15px);
    color: #ccc;
}

.admin-toggle-label {
    font-size: clamp(12px, 0.82vw, 14px);
    color: #00f0ff;
    cursor: pointer;
}

.admin-action-small {
    font-size: clamp(12px, 0.82vw, 14px);
    padding: 0.45vh 0.9vw;
}

.admin-action-btn {
    font-size: clamp(13px, 0.9vw, 16px);
}

.admin-upload-item .action-buttons {
    margin-left: auto;
}

@media (max-width: 760px) {
    .admin-manage-tabs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}