/* ============================================
   新飞洋教育管理后台 - 登录页样式
   ============================================ */

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    color: #1a1c1c;
    line-height: 1.5;
}

/* 登录容器 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

/* 登录卡片 */
.login-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 420px;
    padding: 48px 40px;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo区域 */
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: white;
}

.login-logo-img {
    width: auto;
    height: 68px;
    margin-bottom: 16px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    object-fit: contain;
}

.login-logo h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1c1c;
    margin: 0 0 8px;
}

.login-logo p {
    font-size: 14px;
    color: #8c8c8c;
    margin: 0;
}

/* 表单样式 */
.login-form {
    margin-top: 24px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #1a1c1c;
}

.form-input-wrapper {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d9d9d9;
    border-radius: 8px;
    font-size: 14px;
    color: #1a1c1c;
    background: #ffffff;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input:hover {
    border-color: #667eea;
}

.form-input::placeholder {
    color: #bfbfbf;
}

/* 记住密码 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 14px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: #595959;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-password {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* 登录按钮 */
.login-button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
}

.login-button:active {
    transform: translateY(0);
}

/* 提示框 */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
    animation: slideDown 0.3s ease-out;
}

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

.message-error {
    background: #fff1f0;
    border: 1px solid #ffccc7;
    color: #f5222d;
}

.message-success {
    background: #f6ffed;
    border: 1px solid #b7eb8f;
    color: #52c41a;
}

/* 页脚 */
.login-footer {
    margin-top: 32px;
    text-align: center;
    font-size: 12px;
    color: #8c8c8c;
}

/* 响应式 */
@media (max-width: 480px) {
    .login-card {
        padding: 32px 24px;
    }
    
    .login-logo h1 {
        font-size: 20px;
    }
}