/* 全局样式 - Vercel风格,移动端优先 */

:root {
    --primary-color: #0070f3;
    --success-color: #0070f3;
    --error-color: #ff0000;
    --warning-color: #f5a623;
    --bg-color: #ffffff;
    --text-color: #000000;
    --border-color: #eaeaea;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-600: #525252;
    --gray-900: #171717;
    --shadow: 0 4px 14px 0 rgba(0,0,0,.1);
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding: 0;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 导航栏 */
.navbar {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.navbar-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.navbar-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    white-space: nowrap;
}

.navbar-nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.navbar-link {
    padding: 8px 16px;
    font-size: 16px;
    color: var(--text-color);
    text-decoration: none;
    border-radius: var(--radius);
    transition: background-color 0.2s;
    white-space: nowrap;
}

.navbar-link:hover {
    background-color: var(--gray-100);
    text-decoration: none;
}

.navbar-link.active {
    background-color: var(--primary-color);
    color: white;
}

.content-wrapper {
    padding: 20px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0;
}

/* 标题 */
h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
}

h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* 卡片 */
.card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

/* 表单 */
.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--gray-900);
}

input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 16px;
    font-size: 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--bg-color);
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
}

input[type="number"] {
    font-size: 24px;
    text-align: center;
    font-weight: 600;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    min-height: 56px;
    min-width: 120px;
    -webkit-appearance: none;
    appearance: none;
}

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

.btn-primary:hover {
    background-color: #0051cc;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-900);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
}

.btn-success {
    background-color: #10b981;
    color: white;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 消息提示 */
.message {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    margin-top: 10px;
    font-size: 18px;
    border-left: 4px solid;
}

.message-success {
    background-color: #d1fae5;
    border-color: #10b981;
    color: #065f46;
}

.message-error {
    background-color: #fee2e2;
    border-color: #ef4444;
    color: #991b1b;
}

.message-info {
    background-color: #dbeafe;
    border-color: var(--primary-color);
    color: #1e40af;
}

.message-warning {
    background-color: #fef3c7;
    border-color: var(--warning-color);
    color: #92400e;
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--gray-600);
}

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* 表格 */
.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    background-color: var(--gray-50);
    position: sticky;
    top: 0;
}

tr:hover {
    background-color: var(--gray-50);
}

/* 链接 */
a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 12px;
    background-color: var(--gray-100);
    color: var(--gray-900);
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

/* 进度条 */
.progress {
    width: 100%;
    height: 24px;
    background-color: var(--gray-100);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    font-weight: 600;
}

/* 列表 */
.list {
    list-style: none;
}

.list-item {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.list-item:last-child {
    border-bottom: none;
}

/* 网格 */
.grid {
    display: grid;
    gap: 16px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

/* 间距工具类 */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.text-muted {
    color: var(--gray-600);
    font-size: 16px;
}

.text-small {
    font-size: 14px;
}

/* 分隔线 */
.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 24px 0;
}

/* 响应式 */
@media (max-width: 768px) {
    body {
        padding: 12px;
        font-size: 16px;
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    .card {
        padding: 20px;
    }
    
    table {
        font-size: 14px;
    }
    
    th, td {
        padding: 8px;
    }
}

/* 隐藏类 */
.hidden {
    display: none !important;
}

/* 复制按钮 */
.copy-btn {
    padding: 8px 16px;
    font-size: 14px;
    min-height: auto;
    min-width: auto;
}

/* 链接框 */
.link-box {
    background-color: var(--gray-50);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px;
    margin-bottom: 12px;
    word-break: break-all;
    font-size: 14px;
    color: var(--gray-600);
}

/* 评分输入特殊样式 */
.score-input-group {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.score-input-group label {
    flex: 1;
    margin-bottom: 0;
}

.score-input-group input {
    flex: 0 0 120px;
}

.score-total {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    padding: 20px;
    background-color: var(--gray-50);
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.score-total.valid {
    background-color: #d1fae5;
    color: #065f46;
}

.score-total.invalid {
    background-color: #fee2e2;
    color: #991b1b;
}