/* ========== 证件照系统前台样式 ========== */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #4f46e5;
    --primary-light: #eef2ff;
    --primary-dark: #4338ca;
    --success: #22c55e;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
}

/* loading 旋转动画 */
@keyframes spin { to { transform: rotate(360deg); } }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* 头部导航 */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 60px 20px 40px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 30px 30px;
}
.header-content { position: relative; z-index: 1; }
.header h1 { font-size: 36px; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.5px; }
.header p { font-size: 16px; opacity: 0.9; }

/* 步骤条 */
.steps-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 24px 20px;
    max-width: 800px;
    margin: -20px auto 0;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 10;
}
.step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-muted);
    flex: 1;
    justify-content: center;
}
.step-item.active { color: var(--primary); font-weight: 600; }
.step-item.done { color: var(--success); }
.step-number {
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
    background: var(--border); color: var(--text-muted);
    flex-shrink: 0;
}
.step-item.active .step-number { background: var(--primary); color: #fff; }
.step-item.done .step-number { background: var(--success); color: #fff; }
.step-arrow { color: var(--border); font-size: 18px; }

/* 手机端步骤条一排自适应 */
@media (max-width: 640px) {
    .steps-bar {
        padding: 12px 10px;
        gap: 4px;
    }
    .step-item {
        padding: 6px 4px;
        gap: 4px;
        flex-direction: column;
        font-size: 12px;
    }
    .step-number {
        width: 24px;
        height: 24px;
        font-size: 12px;
    }
    .step-arrow {
        font-size: 12px;
        padding: 0 2px;
    }
}

/* 主容器 */
.container { max-width: 960px; margin: 0 auto; padding: 30px 20px 60px; }

/* 卡片 */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px;
    margin-bottom: 20px;
}
.card-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; }

/* 规格选择 */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}
.spec-card {
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 12px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
}
.spec-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.spec-card.active { border-color: var(--primary); background: var(--primary-light); }
.spec-card .spec-name { font-size: 15px; font-weight: 700; color: var(--text); }
.spec-card .spec-size { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.spec-card .spec-price { font-size: 14px; color: var(--primary); font-weight: 700; margin-top: 6px; }
.spec-card .spec-check {
    width: 24px; height: 32px;
    border: 2px solid var(--border);
    border-radius: 2px;
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 8px; transition: all 0.2s;
    background: #fff;
    position: relative;
}
.spec-card.active .spec-check { 
    background: var(--primary); 
    border-color: var(--primary); 
}
.spec-card.active .spec-check::after { 
    content: ''; 
    position: absolute;
    top: 4px; left: 50%; transform: translateX(-50%);
    width: 10px; height: 10px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
}
.spec-card.active .spec-check::before {
    content: '';
    position: absolute;
    bottom: 3px; left: 50%; transform: translateX(-50%);
    width: 16px; height: 10px;
    background: rgba(255,255,255,0.6);
    border-radius: 8px 8px 0 0;
}

/* 步骤内容区 */
.step-content { display: none; }
.step-content.active { display: block; }

/* ===== 拍照/上传区 ===== */
.photo-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #fafafa;
}
.photo-upload-area:hover { border-color: var(--primary); background: var(--primary-light); }
.photo-upload-area .icon { font-size: 48px; margin-bottom: 10px; }
.photo-upload-area .text { font-size: 16px; color: var(--text); margin-bottom: 5px; }
.photo-upload-area .sub-text { font-size: 13px; color: var(--text-muted); }

/* ===== 编辑器 ===== */
.editor-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.editor-preview {
    text-align: center;
}
.editor-canvas-container {
    background: #f1f5f9;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    padding: 16px;
    position: relative;
    overflow: hidden;
}
.editor-canvas-container canvas {
    max-width: 100%;
    max-height: 500px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.editor-tools {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.tool-group {
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 16px;
}
.tool-group h4 { font-size: 14px; font-weight: 600; margin-bottom: 10px; color: var(--text); }

/* 背景色选择 */
.color-options {
    display: flex;
    gap: 10px;
}
.color-btn {
    width: 40px; height: 40px; border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.color-btn:hover { transform: scale(1.1); }
.color-btn.active { border-color: var(--primary); }
.color-btn.active::after {
    content: '✓'; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: #fff; font-size: 16px; font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.color-white { background: #fff; border-color: #d1d5db; }
.color-blue { background: #2563eb; }
.color-red { background: #dc2626; }
.color-gray { background: #9ca3af; }
.color-yellow { background: #eab308; }

/* 示例证件照 */
.photo-example {
    text-align: center;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
}
.example-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.example-photo {
    width: 100px;
    height: 140px;
    border-radius: 4px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background: #f1f5f9;
}
.example-size {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* 弹窗 */
.modal {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 1000;
    align-items: center; justify-content: center;
}
.modal-content { max-width: 90%; max-height: 90%; overflow-y: auto; }

/* 裁剪控制 */
.crop-controls { display: flex; gap: 10px; flex-wrap: wrap; }

/* 滑块样式 */
.range-control { display: flex; align-items: center; gap: 10px; }
.range-control label { font-size: 13px; color: var(--text-muted); min-width: 60px; }
.range-control input[type="range"] { flex: 1; }

/* 预览效果区 */
#photoPreview { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* 下载区域 */
.download-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 30px;
    text-align: center;
}
.download-section .success-icon { font-size: 64px; }
.download-section h3 { font-size: 20px; color: var(--success); }
.download-section .order-info { color: var(--text-muted); font-size: 14px; }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--card-bg);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #16a34a; color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* 用户信息输入 */
.user-form { max-width: 400px; margin: 0 auto; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 5px; color: var(--text); }
input[type="text"], input[type="tel"] {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px;
    font-size: 14px; outline: none; transition: border-color 0.2s;
}
input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }

/* 提示条 */
.tip-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #fef3c7;
    border-radius: 8px;
    font-size: 13px;
    color: #92400e;
    margin-bottom: 16px;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 响应式 */
@media (max-width: 768px) {
    .header { padding: 40px 16px 30px; }
    .header h1 { font-size: 26px; }
    .editor-layout { grid-template-columns: 1fr; }
    .specs-grid { grid-template-columns: repeat(3, 1fr); }
    .card { padding: 16px; }
}

@media (max-width: 480px) {
    .specs-grid { grid-template-columns: repeat(2, 1fr); }
    .photo-upload-area { padding: 24px; }
}