/**
 * 图片尺寸修改工具 - 专属样式
 * Image Size Modification Styles
 */

/* ===== 容器与布局 ===== */
.ism-container {
    max-width: 680px;
}

.ism-section {
    margin-bottom: 18px;
}

.ism-section-label {
    font-size: 13px;
    color: #666;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ===== 拖拽上传区域 ===== */
.ism-drop-area {
    border: 2px dashed #d0d0d0;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    position: relative;
}

.ism-drop-area:hover {
    border-color: #4a90e2;
    background: linear-gradient(135deg, #f0f6ff 0%, #f7fbff 100%);
}

.ism-drop-area.ism-dragover {
    border-color: #4a90e2;
    background: linear-gradient(135deg, #e6f0ff 0%, #f0f6ff 100%);
    transform: scale(1.01);
    box-shadow: 0 4px 20px rgba(74, 144, 226, 0.15);
}

.ism-drop-area.ism-has-image {
    padding: 20px;
    border-style: solid;
    border-color: #4a90e2;
    background: #fff;
}

.ism-drop-icon {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
    opacity: 0.6;
    transition: transform 0.3s ease;
}

.ism-drop-area:hover .ism-drop-icon {
    transform: translateY(-4px);
}

.ism-drop-text {
    font-size: 15px;
    color: #666;
    margin-bottom: 8px;
}

.ism-drop-hint {
    font-size: 12px;
    color: #999;
}

.ism-drop-area input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ===== 图片预览 ===== */
.ism-preview {
    margin-top: 16px;
    display: none;
}

.ism-preview.ism-show {
    display: block;
    animation: ism-fadeIn 0.3s ease;
}

.ism-preview-inner {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.ism-preview-image {
    max-width: 200px;
    max-height: 200px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    object-fit: contain;
    background: #f5f5f5;
}

.ism-preview-info {
    flex: 1;
    min-width: 150px;
}

.ism-preview-name {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
    word-break: break-all;
}

.ism-preview-meta {
    font-size: 12px;
    color: #888;
    line-height: 1.8;
}

.ism-preview-meta span {
    display: block;
}

.ism-preview-remove {
    background: none;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    margin-top: 12px;
    transition: all 0.15s;
}

.ism-preview-remove:hover {
    border-color: #e74c3c;
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.05);
}

/* ===== 缩放模式选择器 - Toggle Pill 风格 ===== */
.ism-mode-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ism-mode-item {
    display: flex;
    align-items: center;
}

.ism-mode-item input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.ism-mode-item label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1.5px solid #d0d0d0;
    border-radius: 24px;
    font-size: 13px;
    color: #555;
    cursor: pointer;
    transition: all 0.18s ease;
    user-select: none;
    background: #fafafa;
}

.ism-mode-item label:hover {
    border-color: #4a90e2;
    color: #4a90e2;
    background: #f0f6ff;
}

.ism-mode-item input[type="radio"]:checked + label {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    border-color: #4a90e2;
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.4);
}

.ism-mode-item input[type="radio"]:focus + label {
    outline: 2px solid rgba(74, 144, 226, 0.5);
    outline-offset: 2px;
}

.ism-mode-icon {
    font-size: 16px;
    line-height: 1;
}

/* ===== 参数输入区 ===== */
.ism-params {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
}

.ism-param-item {
    display: none;
}

.ism-param-item.ism-show {
    display: flex;
    flex-direction: column;
    gap: 6px;
    animation: ism-slideIn 0.2s ease;
}

@keyframes ism-slideIn {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.ism-param-label {
    font-size: 12px;
    color: #888;
    font-weight: 500;
}

.ism-param-input {
    width: 140px;
    padding: 10px 14px;
    font-size: 15px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    box-sizing: border-box;
    background: #fff;
}

.ism-param-input:hover {
    border-color: #bbb;
}

.ism-param-input:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.12);
}

.ism-param-input::placeholder {
    color: #aaa;
}

/* 输入框抖动动画（验证失败提示） */
.ism-param-input.ism-shake {
    animation: ism-shake 0.4s ease;
    border-color: #e74c3c;
}

@keyframes ism-shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.ism-param-unit {
    font-size: 12px;
    color: #999;
    margin-top: 2px;
}

/* ===== 操作按钮行 ===== */
.ism-action-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* ===== 结果卡片 ===== */
.ism-result-card {
    background: linear-gradient(135deg, #f0f6ff 0%, #f7fbff 100%);
    border: 1.5px solid #b8d5f8;
    border-radius: 12px;
    padding: 20px 24px;
    margin-top: 24px;
    display: none;
    position: relative;
}

.ism-result-card.ism-show {
    display: block;
    animation: ism-fadeIn 0.3s ease forwards;
}

.ism-result-card.ism-error {
    background: linear-gradient(135deg, #fff5f5 0%, #fff 100%);
    border-color: #f5b8b8;
}

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

.ism-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.ism-result-title {
    font-size: 12px;
    color: #999;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-weight: 500;
}

.ism-result-actions {
    display: flex;
    gap: 8px;
}

.ism-result-btn {
    background: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 12px;
    color: #666;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.ism-result-btn:hover {
    border-color: #4a90e2;
    color: #4a90e2;
    background: rgba(74, 144, 226, 0.05);
}

.ism-result-btn.ism-download {
    border-color: #52c41a;
    color: #52c41a;
}

.ism-result-btn.ism-download:hover {
    background: rgba(82, 196, 26, 0.05);
}

.ism-result-main {
    text-align: center;
}

.ism-result-image {
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    object-fit: contain;
    background: #f5f5f5;
}

.ism-result-info {
    margin-top: 12px;
    font-size: 13px;
    color: #666;
}

.ism-result-error {
    color: #d0021b;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 20px;
}

/* 错误状态下隐藏操作按钮 */
.ism-result-card.ism-error .ism-result-actions {
    display: none;
}

/* ===== 加载状态 ===== */
.ism-loading {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 30px;
    color: #666;
}

.ism-loading.ism-show {
    display: flex;
}

.ism-loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #e0e0e0;
    border-top-color: #4a90e2;
    border-radius: 50%;
    animation: ism-spin 0.8s linear infinite;
}

@keyframes ism-spin {
    to {
        transform: rotate(360deg);
    }
}

.ism-loading-text {
    font-size: 14px;
}

/* 提交按钮加载态 */
.button.ism-btn-loading {
    opacity: 0.7;
    pointer-events: none;
    cursor: not-allowed;
    position: relative;
}

.button.ism-btn-loading::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: 8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: ism-spin 0.6s linear infinite;
}

/* ===== 比较视图 ===== */
.ism-compare {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

.ism-compare-item {
    text-align: center;
}

.ism-compare-label {
    font-size: 12px;
    color: #888;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ism-compare-img {
    max-width: 250px;
    max-height: 200px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    object-fit: contain;
    background: #f5f5f5;
}

.ism-compare-size {
    font-size: 11px;
    color: #999;
    margin-top: 6px;
}

/* ===== 响应式适配 ===== */
@media (max-width: 480px) {
    .ism-drop-area {
        padding: 30px 15px;
    }

    .ism-drop-icon {
        font-size: 36px;
    }

    .ism-preview-inner {
        flex-direction: column;
    }

    .ism-preview-image {
        max-width: 100%;
    }

    .ism-param-input {
        width: 120px;
    }

    .ism-mode-item label {
        padding: 8px 14px;
        font-size: 12px;
    }

    .ism-compare {
        flex-direction: column;
        align-items: center;
    }

    .ism-compare-img {
        max-width: 100%;
    }
}