/* 基本樣式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    line-height: 1.6;
}

/* 頁面容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 頁首樣式 */
header {
    background-color: #4CAF50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    margin: 0;
}

.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: bold;
}

.logo:hover {
    color: rgba(255,255,255,0.9);
}

/* 導航樣式 */
#userNav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-links a:hover {
    background-color: rgba(255,255,255,0.1);
}

.username {
    color: white;
    margin-right: 1rem;
}

/* 登入/登出按鈕樣式 */
.nav-link.login,
.nav-link.register {
    border: 1px solid rgba(255,255,255,0.5);
}

.nav-link.login:hover,
.nav-link.register:hover {
    background-color: rgba(255,255,255,0.2);
}

/* 功能群組樣式 */
.function-groups {
    padding: 2rem 0;
}

.function-group {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.function-group h2 {
    color: #333;
    margin-top: 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #4CAF50;
}

.function-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    display: inline-block;
    padding: 12px 20px;
    background-color: #4CAF50;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    text-align: center;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #45a049;
}

/* 表單樣式 */
.form-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* 頁尾樣式 */
footer {
    text-align: center;
    padding: 1rem 0;
    background-color: #333;
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}

/* 表單控制項樣式 */
.form-control {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 1rem;
}

select.form-control {
    background-color: white;
    height: 38px;
}

/* 頁面標題樣式 */
.form-container h2 {
    color: #333;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #4CAF50;
}

/* 按鈕樣式 */
button.btn {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

/* 訂單查詢頁面樣式 */
.order-info {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f9f9f9;
}

.license-list {
    margin-top: 20px;
}

.license-card {
    border: 1px solid #ddd;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 4px;
    background-color: white;
}

.status-active { color: #4CAF50; }
.status-inactive { color: #f44336; }
.status-expired { color: #ff9800; }
.payment-pending { color: #ff9800; }
.payment-paid { color: #4CAF50; }
.payment-failed { color: #f44336; }

/* 登入註冊頁面樣式 */
.form-links {
    text-align: center;
    margin-top: 1rem;
}

.form-links a {
    color: #4CAF50;
    text-decoration: none;
}

.form-links a:hover {
    text-decoration: underline;
}

.form-container {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

button.btn {
    width: 100%;
    padding: 12px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

button.btn:hover {
    background-color: #45a049;
}

/* 用戶選單樣式 */
.user-menu {
    position: relative;
    cursor: pointer;
}

.user-menu .user-info {
    color: #fff;
    padding: 8px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-menu .user-role {
    font-size: 0.8em;
    opacity: 0.8;
    background-color: rgba(255,255,255,0.2);
    padding: 2px 6px;
    border-radius: 3px;
    margin-top: 2px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.user-menu:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 8px 16px;
    color: #333;
    text-decoration: none;
}

.dropdown-menu a:hover {
    background: #f5f5f5;
}