/* ========== 全局基础样式重置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", "Microsoft Yahei", "PingFang SC", sans-serif;
}

:root {
    --primary: #409eff;
    --primary-hover: #337ecc;
    --primary-light: #ecf5ff;
    --success: #67c23a;
    --success-hover: #529b2e;
    --danger: #f56c6c;
    --danger-hover: #dd6161;
    --gray-1: #303133;
    --gray-2: #606266;
    --gray-3: #909399;
    --gray-4: #c0c4cc;
    --gray-5: #dcdfe6;
    --gray-6: #e4e7ed;
    --gray-7: #f5f7fa;
    --white: #ffffff;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body {
    background-color: var(--gray-7);
    color: var(--gray-1);
    line-height: 1.5;
}

/* ========== 登录/注册页通用样式 ========== */
.auth-container {
    background: var(--white);
    width: 100%;
    max-width: 420px;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.auth-title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-1);
    margin-bottom: 30px;
}

.form-item {
    margin-bottom: 20px;
}

.form-item label {
    display: block;
    font-size: 14px;
    color: var(--gray-2);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-item input {
    width: 100%;
    height: 44px;
    padding: 0 15px;
    border: 1px solid var(--gray-5);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--gray-1);
    transition: all 0.2s ease;
    background: var(--white);
}

.form-item input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.btn-submit {
    width: 100%;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 20px;
}

.btn-submit:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.auth-tip {
    text-align: center;
    font-size: 14px;
    color: var(--gray-3);
}

.auth-tip a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-tip a:hover {
    text-decoration: underline;
}

.error-msg {
    background-color: #fef0f0;
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    border-left: 4px solid var(--danger);
}

.success-msg {
    background-color: #f0f9ff;
    color: var(--success);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    border-left: 4px solid var(--success);
}

/* 验证码同行布局 */
.code-box {
    display: flex;
    width: 100%;
    gap: 0;
    align-items: center;
    height: 44px;
}

.code-box input {
    flex: 1;
    height: 100%;
    border-right: none;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    margin: 0;
}

.btn-code {
    width: 130px;
    height: 100%;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: var(--white);
    border: 1px solid var(--primary);
    border-left: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-code:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #2a68b0 100%);
}

.btn-code:disabled {
    background: var(--gray-7);
    color: var(--gray-4);
    border-color: var(--gray-5);
    cursor: not-allowed;
    transform: none;
}

/* ========== 首页dashboard样式 ========== */
.dashboard-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    background: var(--white);
    padding: 24px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.welcome-info h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--gray-1);
    margin-bottom: 4px;
}

.welcome-info p {
    color: var(--gray-3);
    font-size: 16px;
    margin: 0;
}

.btn-logout {
    padding: 10px 24px;
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.function-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.function-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.card-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon {
    font-size: 28px;
}

.card-content {
    flex: 1;
}

.card-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-1);
    margin-bottom: 4px;
}

.card-content p {
    color: var(--gray-3);
    font-size: 14px;
    margin: 0;
    line-height: 1.4;
}

.card-arrow {
    font-size: 20px;
    color: var(--gray-4);
    transition: all 0.2s ease;
}

.function-card:hover .card-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

/* ========== 通用页面布局（卡密/图片直链通用） ========== */
.page-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 0 20px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--gray-2);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--gray-7);
    color: var(--primary);
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-1);
}

.header-placeholder {
    width: 100px;
}

.page-main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 30px 20px;
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    min-height: calc(100vh - 64px);
}

.panel-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 28px;
    height: fit-content;
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-1);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    color: var(--gray-2);
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    height: 44px;
    padding: 0 15px;
    border: 1px solid var(--gray-5);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--gray-1);
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* 美化单选按钮组 */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.radio-item:hover {
    background: var(--gray-7);
}

.radio-item input[type="radio"] {
    display: none;
}

.radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-4);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.radio-item input[type="radio"]:checked + .radio-custom {
    border-color: var(--primary);
    background: var(--primary);
}

.radio-item input[type="radio"]:checked + .radio-custom::after {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radio-text {
    font-size: 14px;
    color: var(--gray-2);
    user-select: none;
}

.radio-item input[type="radio"]:checked ~ .radio-text {
    color: var(--primary);
    font-weight: 500;
}

/* 按钮通用样式 */
.btn {
    height: 44px;
    padding: 0 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--success);
    color: var(--white);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--success-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--gray-5);
    color: var(--gray-2);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-danger {
    background: var(--danger);
    color: var(--white);
}

.btn-danger:hover:not(:disabled) {
    background: var(--danger-hover);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* 结果区通用样式 */
.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.result-count {
    font-size: 14px;
    color: var(--gray-3);
    font-weight: normal;
}

.result-btn-group {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.result-textarea {
    width: 100%;
    min-height: 450px;
    padding: 16px;
    border: 1px solid var(--gray-5);
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-1);
    background: var(--gray-7);
    resize: vertical;
    font-family: "Consolas", "Monaco", monospace;
    transition: all 0.2s ease;
}

.result-textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
}

/* ========== 图片直链页面专属样式 ========== */
.image-link-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.upload-area {
    border: 2px dashed var(--gray-5);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 20px;
}

.upload-area:hover, .upload-area.drag-over {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.upload-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-2);
    margin-bottom: 6px;
}

.upload-tip {
    font-size: 13px;
    color: var(--gray-3);
    margin: 0;
}

/* 进度条样式 */
.progress-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--gray-7);
    border-radius: 100px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--success) 100%);
    border-radius: 100px;
    width: 0%;
    transition: width 0.2s ease;
}

.progress-text {
    font-size: 14px;
    color: var(--gray-2);
    font-weight: 500;
    width: 40px;
}

.config-tip {
    background: var(--gray-7);
    border-radius: var(--radius-md);
    padding: 16px;
}

.config-tip h4 {
    font-size: 14px;
    color: var(--gray-2);
    margin-bottom: 8px;
}

.config-tip ul {
    padding-left: 20px;
}

.config-tip li {
    font-size: 13px;
    color: var(--gray-3);
    margin-bottom: 4px;
    line-height: 1.5;
}

/* 图片预览样式 */
.image-preview {
    width: 100%;
    min-height: 300px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-5);
    background: var(--gray-7);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    overflow: hidden;
}

.empty-preview {
    text-align: center;
}

.empty-preview span {
    font-size: 64px;
    opacity: 0.3;
    display: block;
    margin-bottom: 12px;
}

.empty-preview p {
    font-size: 14px;
    color: var(--gray-3);
    margin: 0;
}

.preview-img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

/* ========== 核心修复：直链输入组，彻底解决按钮遮挡问题 ========== */
.link-input-group {
    display: flex !important;
    width: 100% !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 0 !important;
    height: 44px !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
}

.link-input-group .form-input {
    flex: 1 !important;
    min-width: 120px !important;
    width: auto !important;
    height: 100% !important;
    border: 1px solid var(--gray-5) !important;
    border-right: none !important;
    border-radius: var(--radius-md) 0 0 var(--radius-md) !important;
    margin: 0 !important;
    padding: 0 12px !important;
    font-size: 13px !important;
    color: var(--gray-1) !important;
    background: var(--white) !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    display: block !important;
}

.link-input-group .form-input:focus {
    outline: none !important;
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 3px var(--primary-light) !important;
}

.link-input-group .btn {
    flex-shrink: 0 !important;
    width: 80px !important;
    min-width: 80px !important;
    height: 100% !important;
    border-radius: 0 var(--radius-md) var(--radius-md) 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 14px !important;
    display: block !important;
}

/* ========== 响应式适配 ========== */
@media (max-width: 992px) {
    .page-main {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .auth-container {
        width: 92%;
        padding: 30px 20px;
    }
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .function-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .result-btn-group {
        width: 100%;
    }
    .result-btn-group .btn {
        flex: 1;
        min-width: 100px;
        padding: 0 12px;
        font-size: 13px;
    }
    .header-placeholder {
        display: none;
    }
    .page-title {
        font-size: 16px;
    }
    .btn-code {
        width: 110px;
        font-size: 12px;
    }
    /* 手机端直链输入组适配 */
    .link-input-group .form-input {
        min-width: 100px !important;
        font-size: 12px !important;
        padding: 0 8px !important;
    }
    .link-input-group .btn {
        width: 70px !important;
        min-width: 70px !important;
        font-size: 13px !important;
    }
}

/* 超小屏幕兜底：自动上下布局，彻底解决遮挡 */
@media (max-width: 400px) {
    .link-input-group {
        flex-direction: column !important;
        height: auto !important;
        gap: 10px !important;
        align-items: stretch !important;
    }
    .link-input-group .form-input {
        width: 100% !important;
        border-radius: var(--radius-md) !important;
        border-right: 1px solid var(--gray-5) !important;
        height: 44px !important;
    }
    .link-input-group .btn {
        width: 100% !important;
        border-radius: var(--radius-md) !important;
        height: 44px !important;
    }
}

/* 视频转音频页面样式 */
.upload-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.upload-area {
    border: 2px dashed #409eff;
    border-radius: 12px;
    text-align: center;
    padding: 40px 20px;
    cursor: pointer;
    transition: all 0.3s;
}
.upload-area.drag-active {
    background: #ecf5ff;
    border-color: #66b1ff;
}
.upload-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.upload-text {
    font-size: 16px;
    color: #303133;
    margin-bottom: 8px;
}
.upload-tip {
    font-size: 12px;
    color: #909399;
}
.result-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}
.result-item input {
    flex: 1;
}