/* --- 1. 全局和重置 --- */
:root {
    --color-primary: #4f46e5; /* Indigo 600 */
    --color-primary-dark: #4338ca; /* Indigo 700 */
    --color-primary-light: #e0e7ff; /* Indigo 100 */
    --color-secondary: #6b7280; /* Gray 500 */
    --color-secondary-light: #f3f4f6; /* Gray 100 */
    --color-danger: #dc2626; /* Red 600 */
    --color-danger-dark: #b91c1c; /* Red 700 */
    --color-success: #16a34a; /* Green 600 */
    --color-text: #1f2937; /* Gray 800 */
    --color-text-light: #6b7280; /* Gray 500 */
    --color-bg: #f3f4f6; /* Gray 100 - 背景色 */
    --color-white: #ffffff;
    --color-border: #e5e7eb; /* Gray 200 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius-md: 0.375rem; /* 6px */
    --radius-lg: 0.5rem; /* 8px */
    --radius-xl: 0.75rem; /* 12px */
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 0.75rem;
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; margin-top: 0; }
h3 { font-size: 1.25rem; margin-top: 1rem; }

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: middle;
    /* 单词过长时换行 */
    word-break: break-all;
}

thead th {
    background-color: var(--color-secondary-light);
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
}

tbody tr:hover {
    background-color: #fafafa;
}

td small {
    color: var(--color-text-light);
    font-family: monospace;
    font-size: 0.9em;
}

/* --- 2. 辅助类 --- */
.hidden { display: none !important; }
.mt-2 { margin-top: 2rem; }
.full-width { width: 100%; }
.error-text {
    color: var(--color-danger);
    font-size: 0.875rem;
    min-height: 1.25rem;
}
.success-text { color: var(--color-success) !important; font-weight: 500; }
.fail-text { color: var(--color-danger) !important; font-weight: 500; }

/* --- 3. 布局 (卡片式) --- */

/* 顶部导航栏 */
#top-bar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
#top-bar h1 {
    font-size: 1.25rem;
    margin: 0;
}

/* 主容器 */
#app-container {
    max-width: 1200px;
    margin: 1.5rem auto;
    padding: 0 1.5rem;
}

/* 核心：卡片 */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl); /* 更大的圆角 */
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.login-box.card {
    padding: 2rem;
    border-radius: var(--radius-xl);
}

/* 表格容器 */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); /* 内嵌圆角 */
}

/* 内嵌表单卡片 */
.form-card {
    margin-top: 2rem;
    background-color: #fafafa;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

/* --- 4. 登录遮罩 --- */
#login-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.login-box {
    width: 100%;
    max-width: 400px;
    text-align: center;
}
.login-box h2 {
    margin-top: 0;
    font-size: 1.75rem;
}

/* --- 5. 表单和按钮 --- */
.input-group {
    margin-bottom: 1rem;
    text-align: left;
}
.input-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s, box-shadow 0.2s;
}
input[type="text"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}
textarea {
    min-height: 8rem;
    resize: vertical;
    font-family: Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}


.button, button {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}
.button:hover, button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.button-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}
.button-primary:hover {
    background-color: var(--color-primary-dark);
}

.button-secondary {
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}
.button-secondary:hover {
    background-color: var(--color-border);
}

.danger, .button.danger {
    background-color: var(--color-danger);
    color: var(--color-white);
}
.danger:hover, .button.danger:hover {
    background-color: var(--color-danger-dark);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
@media (min-width: 600px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .full-span {
        grid-column: 1 / -1;
    }
}
.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
}

/* --- 6. 选项卡 --- */
.tabs {
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
}
.tab-button {
    flex: 1;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    background-color: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-light);
    transition: all 0.2s;
}
.tab-button:hover {
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    transform: none;
    box-shadow: none;
}
.tab-button.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* --- 7. 统计卡片 --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.stat-card {
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--color-border);
}
.stat-card h4 {
    margin: 0;
    font-weight: 500;
    color: var(--color-text-light);
    font-size: 1rem;
}
.stat-card p {
    font-size: 2.25rem;
    font-weight: 700;
    margin: 0.5rem 0 0;
}

/* --- 8. 日志 --- */
.log-settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.log-settings-row label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
}

.logs-container {
    background-color: #1f2937;
    color: #f3f4f6;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 400px;
    overflow-y: auto;
    font-family: Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
#logs-content {
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 0.875rem;
}

/* --- 9. 表格操作按钮 --- */
td .edit-btn,
td .delete-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    margin-right: 0.25rem;
}
td .edit-btn {
    background-color: var(--color-secondary-light);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}
td .edit-btn:hover {
    background-color: var(--color-border);
}

/* --- [新增] 方案配置区块样式 --- */
.scheme-block {
    margin-bottom: 2.5rem;
}
.scheme-block:last-child {
    margin-bottom: 0;
}
.scheme-header {
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary-light);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}
.scheme-header h3 {
    font-size: 1.25rem;
    margin: 0;
    color: var(--color-primary);
}
.scheme-header h3 small {
    font-weight: 400;
    color: var(--color-text-light);
}

.preset-card {
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.model-picker-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 0.45fr);
    gap: 0.75rem;
    align-items: stretch;
}

.model-dropdown-wrap {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.5rem;
    padding: 0.35rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: var(--shadow-sm);
}

.model-query-button {
    white-space: nowrap;
    padding: 0.65rem 0.95rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, #7c3aed 100%);
    color: var(--color-white);
    border: none;
}

.model-query-button:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #6d28d9 100%);
}

.model-query-button:disabled,
.model-picker-select:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.model-picker-select {
    border: none;
    background-color: transparent;
    padding: 0.65rem 0.5rem;
    font-weight: 500;
    color: var(--color-text);
}

.model-picker-select:focus {
    box-shadow: none;
}

.model-query-status {
    display: block;
    margin-top: 0.45rem;
    color: var(--color-text-light);
}

#config-custom-user-agent:disabled {
    background-color: var(--color-secondary-light);
    color: var(--color-text-light);
    cursor: not-allowed;
}

.injected-messages-editor {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.injected-message-row {
    display: grid;
    grid-template-columns: 130px 110px 1fr auto;
    gap: 0.5rem;
    align-items: start;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
}

.injected-message-row .injected-content-input {
    min-height: 3rem;
}

/* 移动端适配 */
@media (max-width: 600px) {
    #app-container {
        margin: 0.5rem auto;
        padding: 0 0.5rem;
    }
    .card {
        padding: 1rem;
        margin-bottom: 1rem;
        border-radius: var(--radius-lg);
    }
    .tabs {
        flex-direction: column;
    }
    #top-bar {
        padding: 1rem;
    }
    #top-bar h1 {
        font-size: 1.1rem;
    }
    .model-picker-row,
    .model-dropdown-wrap,
    .injected-message-row {
        grid-template-columns: 1fr;
    }
}