/**
 * layout.css - 二维码工具箱特定布局
 * 扁平风格
 */

.qr-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px 16px;
}

/* ===== 头部 ===== */
.qr-header {
    text-align: center;
    margin-bottom: 24px;
}
.qr-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 8px;
}
.qr-header p {
    font-size: 14px;
    color: var(--tool-text-muted);
}

/* ===== 标签页 ===== */
.qr-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--tool-bg-secondary);
    padding: 4px;
    border-radius: var(--tool-radius);
}
.qr-tab {
    flex: 1;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--tool-text-muted);
    cursor: pointer;
    border: none;
    border-radius: var(--tool-radius-sm);
    background: transparent;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.qr-tab:hover { color: var(--tool-text-secondary); }
.qr-tab.active {
    background: var(--tool-bg);
    color: var(--tool-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.qr-pane { display: none; }
.qr-pane.active { display: block; }

/* ===== 生成区网格 ===== */
.qr-grid {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: start;
}

/* ===== 左侧配置 ===== */
.qr-config {
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-lg);
    padding: 24px;
}

/* 类型选择网格 */
.qr-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
.qr-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 14px 8px;
    border: 1px solid var(--tool-input-border);
    border-radius: var(--tool-radius);
    background: var(--tool-bg);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 12px;
    color: var(--tool-text-secondary);
}
.qr-type-btn i { font-size: 20px; color: var(--tool-text-muted); }
.qr-type-btn:hover {
    border-color: var(--tool-primary);
    color: var(--tool-primary);
}
.qr-type-btn:hover i { color: var(--tool-primary); }
.qr-type-btn.active {
    border-color: var(--tool-primary);
    background: var(--tool-primary-light);
    color: var(--tool-primary);
}
.qr-type-btn.active i { color: var(--tool-primary); }

/* 类型表单 */
.qr-type-form { display: none; margin-top: 20px; }
.qr-type-form.active { display: block; }

/* 表单 */
.qr-form-group { margin-bottom: 16px; }
.qr-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--tool-text-secondary);
    margin-bottom: 8px;
}
.qr-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--tool-input-border);
    border-radius: var(--tool-radius);
    font-size: 14px;
    background: var(--tool-bg);
    color: var(--tool-text);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}
.qr-input:focus {
    border-color: var(--tool-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
textarea.qr-input { resize: vertical; font-family: inherit; }
.qr-color-input { height: 42px; padding: 4px; cursor: pointer; }

.qr-form-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}
.qr-form-row .qr-form-group { margin-bottom: 0; flex: 1; }

.qr-range {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--tool-input-border);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}
.qr-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    background: var(--tool-primary);
    border-radius: 50%;
    cursor: pointer;
}
.qr-range::-moz-range-thumb {
    width: 18px; height: 18px;
    background: var(--tool-primary);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.qr-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--tool-text-secondary);
    font-weight: normal !important;
}
.qr-checkbox input { accent-color: var(--tool-primary); }

/* 样式设置区 */
.qr-style-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--tool-border-light);
}
.qr-section-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Logo上传 */
.qr-logo-upload {
    border: 2px dashed var(--tool-input-border);
    border-radius: var(--tool-radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--tool-bg-secondary);
}
.qr-logo-upload:hover, .qr-logo-upload.dragover {
    border-color: var(--tool-primary);
    background: var(--tool-primary-light);
}
.qr-logo-upload i {
    font-size: 24px;
    color: var(--tool-text-muted);
    margin-bottom: 8px;
    display: block;
}
.qr-logo-upload p {
    font-size: 13px;
    color: var(--tool-text-secondary);
    margin: 0;
}
.qr-logo-preview {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding: 12px;
    background: var(--tool-bg-secondary);
    border-radius: var(--tool-radius);
}
.qr-logo-preview img {
    width: 48px; height: 48px;
    object-fit: contain;
    border-radius: var(--tool-radius-sm);
    background: #fff;
    border: 1px solid var(--tool-border);
}
.qr-logo-remove {
    margin-left: auto;
    padding: 6px 12px;
    border: 1px solid var(--tool-danger);
    background: transparent;
    color: var(--tool-danger);
    border-radius: var(--tool-radius-sm);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.15s;
}
.qr-logo-remove:hover {
    background: var(--tool-danger);
    color: #fff;
}

/* ===== 右侧预览 ===== */
.qr-preview-col {
    position: sticky;
    top: 20px;
}
.qr-preview-box {
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-lg);
    padding: 24px;
    text-align: center;
}
.qr-preview-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--tool-text-secondary);
    margin-bottom: 16px;
}
.qr-canvas-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    margin-bottom: 16px;
}
.qr-canvas-wrap canvas,
.qr-canvas-wrap img {
    max-width: 100%;
    border-radius: var(--tool-radius);
}
.qr-canvas-error {
    padding: 20px;
    color: var(--tool-danger);
    font-size: 14px;
    text-align: center;
    line-height: 1.6;
}
.qr-canvas-error i { margin-right: 6px; }
#qrcode {
    display: inline-block;
    padding: 0;
}
#qrcode img, #qrcode canvas {
    display: block;
}
.qr-encoded-text {
    font-size: 12px;
    color: var(--tool-text-muted);
    word-break: break-all;
    max-height: 60px;
    overflow-y: auto;
    text-align: left;
    padding: 8px;
    background: var(--tool-bg-secondary);
    border-radius: var(--tool-radius-sm);
}

.qr-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}
.qr-btn {
    flex: 1;
    padding: 11px;
    border-radius: var(--tool-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.qr-btn-primary {
    background: var(--tool-primary);
    color: #fff;
    border: 1px solid var(--tool-primary);
}
.qr-btn-primary:hover { background: var(--tool-primary-dark); border-color: var(--tool-primary-dark); }
.qr-btn-outline {
    background: var(--tool-bg);
    color: var(--tool-text-secondary);
    border: 1px solid var(--tool-input-border);
}
.qr-btn-outline:hover { border-color: var(--tool-primary); color: var(--tool-primary); }
.qr-btn-sm { padding: 6px 12px; font-size: 12px; flex: none; }

/* ===== 解析区 ===== */
.qr-card {
    background: var(--tool-bg);
    border: 1px solid var(--tool-border);
    border-radius: var(--tool-radius-lg);
    padding: 24px;
    max-width: 640px;
    margin: 0 auto;
}
.qr-card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--tool-text);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.qr-card-desc {
    font-size: 13px;
    color: var(--tool-text-muted);
    margin-bottom: 20px;
}

.qr-upload-area {
    border: 2px dashed var(--tool-input-border);
    border-radius: var(--tool-radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--tool-bg-secondary);
    margin-bottom: 20px;
}
.qr-upload-area:hover, .qr-upload-area.dragover {
    border-color: var(--tool-primary);
    background: var(--tool-primary-light);
}
.qr-upload-area i {
    font-size: 36px;
    color: var(--tool-text-muted);
    margin-bottom: 12px;
    display: block;
}
.qr-upload-area:hover i { color: var(--tool-primary); }
.qr-upload-area p {
    font-size: 14px;
    color: var(--tool-text-secondary);
    margin-bottom: 4px;
}
.qr-upload-hint { font-size: 12px !important; color: var(--tool-text-muted) !important; }

/* 解析结果 */
.qr-decode-result {
    background: var(--tool-success-light);
    border: 1px solid var(--tool-success);
    border-radius: var(--tool-radius);
    padding: 16px;
}
.qr-decode-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.qr-decode-type {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--tool-success);
    color: #fff;
    border-radius: var(--tool-radius-sm);
    font-size: 12px;
    font-weight: 600;
}
.qr-decode-content {
    font-size: 14px;
    color: var(--tool-text);
    line-height: 1.8;
    word-break: break-all;
}
.qr-decode-content .field-row {
    display: flex;
    padding: 6px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.qr-decode-content .field-row:last-child { border-bottom: none; }
.qr-decode-content .field-label {
    font-weight: 600;
    color: var(--tool-text-secondary);
    min-width: 80px;
    flex-shrink: 0;
}
.qr-decode-content .field-value {
    color: var(--tool-text);
    flex: 1;
}
.qr-decode-content a { color: var(--tool-primary); }

/* 解析错误 */
.qr-decode-error {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    background: var(--tool-danger-light);
    border: 1px solid var(--tool-danger);
    border-radius: var(--tool-radius);
    color: var(--tool-danger-dark);
    font-size: 14px;
}

/* ===== 底部 ===== */
.qr-footer {
    text-align: center;
    padding: 24px 0;
    font-size: 12px;
    color: var(--tool-text-muted);
}

/* ===== 响应式 ===== */
@media (max-width: 860px) {
    .qr-grid { grid-template-columns: 1fr; }
    .qr-preview-col { position: static; }
    .qr-type-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 500px) {
    .qr-type-grid { grid-template-columns: repeat(2, 1fr); }
    .qr-form-row { flex-direction: column; }
    .qr-actions { flex-direction: column; }
}