/* login.css - 登入頁面樣式 */

/* 全局樣式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 登入頁面樣式 */
.container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-box {
    background-color: #ffffff;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    padding: 40px 30px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid #e0e0e0;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.icon-container {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.icon-container i {
    font-size: 60px;
    color: #4287f5; /* 藍色 */
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.logo-text {
    font-size: 32px;
    font-weight: 700;
    color: #4287f5; /* 藍色 */
    letter-spacing: 2px;
}

.logo-icon {
    font-size: 36px;
    margin-right: 10px;
    color: #4287f5; /* 藍色 */
}

.login-box h2 {
    color: #333333;
    margin-bottom: 30px;
    font-weight: 600;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    color: #4287f5; /* 藍色 */
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid #e0e0e0;
    border-radius: 30px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    color: #333333;
}

.input-group input:focus {
    border-color: #4287f5; /* 藍色 */
    box-shadow: 0 0 10px rgba(66, 135, 245, 0.2);
    transform: translateY(-2px);
}

.input-group input::placeholder {
    color: #999999;
    transition: all 0.3s ease;
}

.input-group input:focus::placeholder {
    opacity: 0.7;
    transform: translateX(5px);
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
    color: #555555;
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input {
    margin-right: 5px;
    accent-color: #4287f5; /* 藍色複選框 */
}

.forgot-password a {
    color: #4287f5; /* 藍色連結 */
    text-decoration: none;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #4287f5, #2d6edc);
    border: none;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    border-radius: 30px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: linear-gradient(135deg, #2d6edc, #4287f5);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(66, 135, 245, 0.3);
}

/* 添加登入按鈕按下效果 */
.login-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(66, 135, 245, 0.2);
}

/* 添加登入按鈕波紋效果 */
.login-btn::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
    transition: transform 0.6s, opacity 0.6s;
}

.login-btn:active::after {
    transform: scale(40);
    opacity: 0;
    transition: 0s;
}

/* 登入按鈕載入狀態 */
.login-btn .loading-spinner {
    margin-left: 8px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* 登入信息提示 */
.login-info {
    margin: 15px 0;
    padding: 8px;
    background-color: #e3f2fd;
    border: 1px solid #90caf9;
    border-radius: 4px;
    color: #1565c0;
    font-size: 12px;
}

/* 測試帳號信息 */
.register-link p {
    font-size: 12px;
    color: #666;
    margin-top: 10px;
}

.register-link strong {
    color: #007bff;
    font-weight: 600;
}

/* 警告和成功消息樣式改進 */
.alert {
    margin-bottom: 20px;
    padding: 12px;
    border-radius: 6px;
    font-size: 14px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
}