/* ===== 卡片 / 提示词输入 / 参数表单 / 参考图上传 ===== */
.card {
    background: var(--card-bg);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: 0 2px 8px rgba(61, 52, 40, 0.04);
    margin-bottom: 14px;
}

.card-header {
    padding: 14px 20px;
    border-bottom: 1.5px solid var(--border-light);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

/* Prompt输入 */
.prompt-wrap {
    position: relative;
}

.prompt-wrap textarea {
    width: 100%;
    min-height: 240px;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-card);
    font-size: 15px;
    font-family: inherit;
    font-weight: 500;
    line-height: 1.7;
    color: var(--text);
    resize: vertical;
    transition: var(--transition);
    background: var(--bg);
    letter-spacing: 0.01em;
}

.prompt-wrap textarea::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.prompt-wrap textarea:focus {
    outline: none;
    border-color: var(--focus);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.15);
}

.prompt-wrap .char-count {
    position: absolute;
    bottom: 10px;
    right: 16px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

/* 参数行 */
.param-row {
    display: flex;
    gap: 12px;
}

.param-group {
    flex: 1;
}

.param-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.param-group select,
.param-group input {
    width: 100%;
    padding: 10px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-btn);
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    background: var(--bg);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    letter-spacing: 0.01em;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239f927d' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 36px;
}

.param-group select:focus,
.param-group input:focus {
    outline: none;
    border-color: var(--focus);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.15);
}

/* 上传区域 */
.upload-zone {
    border: 2.5px dashed var(--border);
    border-radius: var(--radius-card);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: var(--bg);
}

.upload-zone:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    border-style: solid;
}

.upload-zone.drag-over {
    border-color: var(--primary);
    background: var(--primary-light);
    border-style: solid;
}

.upload-icon {
    width: 32px;
    height: 32px;
    color: var(--text-muted);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-heading);
}

.upload-hint {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
}

.upload-actions-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

/* 参考图预览列表 */
.ref-preview-list {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.ref-preview-item {
    position: relative;
    width: 76px;
    height: 76px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-light);
    flex-shrink: 0;
    transition: var(--transition);
}

.ref-preview-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 200, 185, 0.2);
}

.ref-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ref-preview-remove {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 20px;
    height: 20px;
    background: rgba(114, 93, 66, 0.7);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 13px;
    line-height: 20px;
    text-align: center;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.ref-preview-remove:hover {
    background: var(--danger);
    transform: scale(1.15);
}



/* 透明背景勾选项：与参数表单同宽，整行可点 */
.param-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 10px;
    border: 1px dashed var(--border);
    border-radius: var(--radius-xs, 10px);
    background: var(--card-bg);
    color: var(--text-secondary);
    font-size: 12.5px;
    cursor: pointer;
    user-select: none;
}

.param-check input[type="checkbox"] {
    width: 15px;
    height: 15px;
    margin: 0;
    accent-color: var(--primary);
    cursor: pointer;
    flex-shrink: 0;
}

.param-check:hover {
    border-color: var(--primary);
    color: var(--text);
}

/* ===== 参考图素材库 ===== */
.ref-lib-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.ref-lib-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1.5px solid var(--primary);
    border-radius: var(--radius-btn, 50px);
    background: transparent;
    color: var(--primary);
    font-size: 12.5px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.ref-lib-btn:hover {
    background: var(--primary-light);
}

/* 未绑定手机号：入口置灰挂锁。仍然可点 —— 点开是一条明确的绑定路径，
   直接 disabled 会让人找不到"怎么才能用"。 */
.ref-lib-btn.is-locked {
    border-color: var(--border);
    background: transparent;
    color: var(--text-muted);
}

.ref-lib-btn.is-locked:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.ref-lib-lock {
    display: none;
}

.ref-lib-btn.is-locked .ref-lib-lock {
    display: block;
}

.ref-lib-hint {
    font-size: 11.5px;
    color: var(--text-muted);
}

.ref-lib-tip {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.ref-lib-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 10px;
    max-height: 52vh;
    overflow-y: auto;
}

.ref-lib-item {
    position: relative;
    aspect-ratio: 1 / 1;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-xs, 10px);
    overflow: hidden;
    background: var(--card-bg);
    cursor: pointer;
    transition: var(--transition);
}

.ref-lib-item:hover {
    border-color: var(--primary);
}

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

.ref-lib-item.is-broken img {
    display: none;
}

.ref-lib-del {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 20px;
    height: 20px;
    line-height: 18px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(61, 52, 40, .55);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    opacity: 0;
    transition: opacity .18s;
}

.ref-lib-item:hover .ref-lib-del {
    opacity: 1;
}

.ref-lib-del:hover {
    background: var(--danger);
}

.ref-lib-empty {
    text-align: center;
    padding: 36px 16px;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.8;
}

.ref-lib-empty span {
    display: block;
    font-size: 11.5px;
    color: var(--text-muted);
}

/* 深色模式下：删除按钮底色加深，避免和浅色图混在一起 */
[data-theme="dark"] .ref-lib-del {
    background: rgba(0, 0, 0, .6);
}