/* style.css - API48 核心设计系统 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-gradient: linear-gradient(135deg, #0b0c10 0%, #1f2833 100%);
    --card-bg: rgba(31, 40, 51, 0.6);
    --card-border: rgba(255, 255, 255, 0.1);
    --primary-color: #66fcf1;
    --primary-dim: rgba(102, 252, 241, 0.2);
    --text-main: #c5c6c7;
    --text-light: #ffffff;
    --blur: blur(12px);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-image: url('bg.jpg');
    background-repeat: repeat;
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #fff;
    text-shadow: 0 0 10px var(--primary-color);
}

/* Glassmorphism Container */
.glass-container {
    background: var(--card-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(11, 12, 16, 0.7);
    backdrop-filter: var(--blur);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a.btn {
    padding: 8px 16px;
}

/* Buttons */
.btn {
    background: var(--primary-dim);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.btn:hover {
    background: var(--primary-color);
    color: #0b0c10;
    box-shadow: 0 0 15px var(--primary-color);
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary-color);
    color: #0b0c10;
}

.btn-primary:hover {
    background: #fff;
    border-color: #fff;
    box-shadow: 0 0 15px #fff;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.form-control {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-dim);
}

/* Main Layout */
.main-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

/* Typography Helpers */
.title {
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 800;
}

.subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* Small hidden trigger */
.secret-trigger {
    opacity: 0.1;
    font-size: 12px;
    position: fixed;
    bottom: 10px;
    right: 10px;
    cursor: pointer;
}

.secret-trigger:hover {
    opacity: 0.5;
}

/* =========================================
   移动端响应式适配 (Mobile Responsiveness)
   ========================================= */
@media (max-width: 768px) {

    /* 1. 导航栏自动折叠居中 */
    .navbar {
        flex-direction: column;
        padding: 15px 20px;
        gap: 12px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .nav-links a.btn {
        padding: 8px 12px;
        font-size: 14px;
    }

    /* 2. 容器宽度释放，摒弃写死的 400px / 800px 限制 */
    .glass-container {
        width: 90% !important;
        max-width: 100% !important;
        padding: 25px 20px;
        margin: 0 auto;
    }

    .main-wrapper {
        padding: 20px 10px;
    }

    .title {
        font-size: 1.8rem !important;
    }

    /* 3. 网格布局全部转为单列垂直排列 (适用于首页特性、控制台双栏等) */
    div[style*="grid"] {
        grid-template-columns: 1fr !important;
        gap: 15px !important;
    }

    .config-area {
        grid-template-columns: 1fr !important;
    }

    /* 4. 针对注册/登录/重置表单内的输入框+验证码/按钮并排，强制改为上下结构 */
    .form-group>div {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .form-group input[type="text"],
    .form-group button {
        width: 100% !important;
    }

    .form-group img {
        width: 100%;
        height: 50px;
        object-fit: cover;
        border-radius: 6px;
    }

    /* 5. 修复所有下拉框和输入框的默认宽度溢出 */
    select,
    input,
    .form-control {
        width: 100% !important;
        box-sizing: border-box;
    }

    /* 6. 首页底部的并排按钮组转为垂直排列 */
    div[style*="justify-content:center"] {
        flex-direction: column;
    }

    div[style*="justify-content:center"]>a {
        width: 100%;
        box-sizing: border-box;
    }

    /* 7. 加速器面板 (节点列表与金额状态栏) 折叠优化 */
    div[style*="justify-content:space-between"] {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 15px !important;
    }

    /* 节点右侧的“复制/扫码/一键导入”按钮平铺显示 */
    div[style*="gap: 10px"] {
        flex-wrap: wrap;
    }

    div[style*="gap: 10px"]>a,
    div[style*="gap: 10px"]>button {
        flex: 1 1 100%;
        margin-bottom: 5px;
    }

    /* 8. API调试台聊天界面的输入框优化 */
    .input-area {
        flex-direction: column;
    }

    .input-area button {
        width: 100%;
    }
}