/* public/assets/css/tools/image/email-icon.css */

.eic-wrapper { padding: 32px; }
.eic-header { text-align: center; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border-color); }
.eic-title { margin: 0 0 10px 0; font-size: 1.6rem; color: var(--text-main); }
.eic-subtitle { margin: 0; color: var(--text-muted); font-size: 1rem; line-height: 1.6; }

.eic-container { display: flex; flex-wrap: wrap; gap: 24px; }

.eic-controls, .eic-preview {
    flex: 1;
    min-width: 320px;
    background: var(--bg-body);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.eic-panel-title { margin-bottom: 20px; font-size: 1.1rem; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; color: var(--text-main); }

.eic-form-group { margin-bottom: 20px; }
.eic-form-group > label { display: block; margin-bottom: 8px; font-size: 0.95rem; font-weight: 600; color: var(--text-main); }

.eic-flex-row { display: flex; gap: 16px; align-items: center; }

.eic-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-sizing: border-box;
    font-size: 1rem;
    background: var(--bg-surface);
    color: var(--text-main);
    transition: 0.2s ease;
    font-family: inherit;
}
.eic-input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1); outline: none; }

/* 复选框 */
.eic-checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; color: var(--text-main); font-size: 0.95rem; }
.eic-checkbox-label input { width: 18px; height: 18px; accent-color: var(--primary-color); cursor: pointer; }

/* 颜色选择器 */
.eic-color-picker { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.eic-color-picker label { font-size: 0.9rem; font-weight: 600; color: var(--text-muted); }
.eic-color-picker input[type="color"] { width: 100%; height: 40px; border: none; border-radius: var(--radius-md); cursor: pointer; background: transparent; padding: 0; }
.eic-color-picker input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.eic-color-picker input[type="color"]::-webkit-color-swatch { border: 1px solid var(--border-color); border-radius: var(--radius-md); }

/* 滑动条 */
.eic-slider-group { background: var(--bg-surface); padding: 12px 16px; border-radius: var(--radius-md); border: 1px solid var(--border-color); margin-bottom: 16px; }
.eic-slider-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font-size: 0.9rem; color: var(--text-main); font-weight: 600; }
.eic-slider-header span:last-child { color: var(--primary-color); font-weight: 700; font-family: monospace; }
.eic-slider-group input[type="range"] { width: 100%; accent-color: var(--primary-color); cursor: pointer; }

/* 按钮组 */
.eic-btn-group { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.eic-btn-primary, .eic-btn-secondary { width: 100%; padding: 14px; border-radius: var(--radius-md); font-size: 1.05rem; font-weight: bold; cursor: pointer; transition: 0.2s; border: none; }
.eic-btn-primary { background: var(--primary-color); color: #fff; box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3); }
.eic-btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
.eic-btn-secondary { background: #10b981; color: #fff; box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); }
.eic-btn-secondary:hover { background: #059669; transform: translateY(-2px); }

/* 预览区与棋盘格 */
.eic-canvas-container {
    flex: 1;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    min-height: 250px;
    border: 1px dashed var(--border-color);
}
.eic-checkerboard {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%), 
                      linear-gradient(-45deg, #e2e8f0 25%, transparent 25%), 
                      linear-gradient(45deg, transparent 75%, #e2e8f0 75%), 
                      linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    z-index: 1;
    opacity: 0.5;
}
[data-theme="dark"] .eic-checkerboard {
    background-image: linear-gradient(45deg, #334155 25%, transparent 25%), 
                      linear-gradient(-45deg, #334155 25%, transparent 25%), 
                      linear-gradient(45deg, transparent 75%, #334155 75%), 
                      linear-gradient(-45deg, transparent 75%, #334155 75%);
}

#eicCanvas {
    position: relative;
    z-index: 2;
    max-width: 100%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .eic-container { flex-direction: column; }
    .eic-preview { order: -1; }
    .eic-wrapper { padding: 16px; }
}