/* 全站通用設定 */
body {
    margin: 0;
    font-family: 'Noto Sans TC', 'Roboto', sans-serif;
    background-color: #121212;
    color: #ffffff;
}

/* 導航列 */
.navbar {
    background-color: #1f1f1f;
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #00e676;
}

.hamburger {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

.nav-links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
}

.nav-links a:hover,
.nav-links a.active {
    color: #00e676;
}

/* 響應式漢堡選單 */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: #1f1f1f;
    }
    .nav-links.active {
        display: flex;
    }
    .nav-links li {
        text-align: center;
        padding: 10px 0;
    }
}

/* 主內容 */
main {
    padding: 20px;
    max-width: 1200px;
    margin: auto;
}

/* 按鈕 */
button {
    background-color: #00e676;
    color: #121212;
    border: none;
    padding: 10px 20px;
    font-size: 15px;
    margin-top: 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #00c853;
}

button.disabled {
    background-color: grey;
    cursor: not-allowed;
}

/* 表單 */
form {
    display: flex;
    flex-direction: column;
    margin-top: 20px;
}

form input, form textarea, form select {
    background-color: #1e1e1e;
    border: 1px solid #444;
    color: #ffffff;
    padding: 10px;
    margin-top: 10px;
    border-radius: 5px;
}

form input:focus, form textarea:focus, form select:focus {
    outline: none;
    border-color: #00e676;
}

/* 套餐卡片 */
.plan-item {
    background-color: #1f1f1f;
    padding: 20px;
    margin: 15px 0;
    border: 1px solid #333;
    border-radius: 10px;
}

.plan-item h3 {
    margin-top: 0;
    color: #00e676;
}

/* VPS列表 */
.vps-item {
    background-color: #1f1f1f;
    padding: 20px;
    margin: 15px 0;
    border: 1px solid #333;
    border-radius: 10px;
}

/* 訂單列表 */
.order-item {
    background-color: #1f1f1f;
    padding: 20px;
    margin: 15px 0;
    border: 1px solid #333;
    border-radius: 10px;
}

/* 彈窗（登入/註冊） */
#auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none; /* <-- 預設隱藏遮罩 */
    align-items: center;
    justify-content: center;
    z-index: 999;
}


.modal-content {
    background-color: #222;
    padding: 30px;
    border-radius: 10px;
    max-width: 400px;
    width: 90%;
    position: relative;
}

.hidden {
    display: none;
}

#close-modal {
    position: absolute;
    top: 10px;
    right: 20px;
    cursor: pointer;
    font-size: 20px;
    color: #aaa;
}

#close-modal:hover {
    color: #fff;
}

/* 頁腳 */
.footer {
    background-color: #1f1f1f;
    color: #999;
    text-align: center;
    padding: 20px;
    font-size: 14px;
    margin-top: 40px;
}

/* 小細節強化 */
input::placeholder, textarea::placeholder {
    color: #888;
}